Sharp PG-D3750W .pdf

120
SERVICE MANUAL Parts marked with " " are important for maintaining the safety of the set. Be sure to replace these parts with specified ones for maintaining the safety and performance of the set. This document has been published to be used for after sales service only. The contents are subject to change without notice. SAFETY PRECAUTION IMPORTANT SERVICE SAFETY NOTES .............i Precautions for using lead-free solder ............. vi CHAPTER 1. OPERATION MANUAL [1] Specifications ................................................ 1-1 [2] Parts Name and Basic Operation.................. 1-2 [3] DIMENSIONS ............................................... 1-8 [4] Regarding the lamp ....................................... 1-9 CHAPTER 2. REMOVING OF MAJOR PARTS [1] Removing the top Body ................................. 2-1 [2] Removing the MAIN Unit............................... 2-3 [3] Removing the Speaker Ass'y and TERMI- NAL Unit ....................................................... 2-4 [4] Removing the EX-Duct Unit and Optical Mechanism Unit ............................................ 2-5 [5] Removing the Duct and Fan ......................... 2-6 [6] Removing the POWER/BALLAST Ass'y Unit and R/C RECEIVER Unit ....................... 2-7 [7] Removing the Fan Unit and POWER Unit and BALLAST/BALLAST CONTROL Ass'y Unit ................................................................ 2-8 CHAPTER 3. THE OPTICAL UNIT OUTLINE [1] THE OPTICAL UNIT OUTLINE..................... 3-1 CHAPTER 4. ELECTRICAL ADJUSTMENT [1] ELECTRICAL ADJUSTMENT ....................... 4-1 [2] Adjustment mode process menu................... 4-4 CHAPTER 5. TROUBLESHOOTING TABLE [1] TROUBLESHOOTING TABLE ...................... 5-1 CHAPTER 6. MAJOR IC INFORMATION [1] MAJOR IC INFORMATION............................ 6-1 CHAPTER 7. BLOCK DIAGRAM/OVERALL WIRING DIAGRAM [1] BLOCK DIAGRAM......................................... 7-1 [2] OVERALL WIRING DIAGRAM ...................... 7-2 CHAPTER 8. PRINTED WIRING BOARD [1] MAIN Unit ...................................................... 8-1 [2] DMD Unit ....................................................... 8-5 [3] POWER Unit .................................................. 8-6 [4] BALLAST Unit ............................................... 8-9 [5] BALLAST CONTROL Unit ........................... 8-10 [6] TERMINAL Unit ........................................... 8-11 [7] R/C RECEIVER Unit/PHOTO SENSOR Unit .............................................................. 8-12 CHAPTER 9. WAVEFORMS [1] WAVEFORMS ............................................... 9-1 CHAPTER 10. SCHEMATIC DIAGRAM [1] DESCRIPTION OF SCHEMATIC DIA- GRAM .......................................................... 10-1 [2] SCHEMATIC DIAGRAM .............................. 10-2 Parts Guide TopPage CONTENTS No. SY8V1PGD3750W In the interests of user-safety (Required by safety regulations in some countries) the set should be re- stored to its original condition and only parts identical to those specified should be used. PG-D3750W PG-D3750W MODEL DATA PROJECTOR

Transcript of Sharp PG-D3750W .pdf

  • SERVICE MANUAL

    Parts marked with " " are important for maintaining the safety of the set. Be sure to replace these parts with specified ones for maintaining thesafety and performance of the set.

    This document has been published to be used forafter sales service only.The contents are subject to change without notice.

    SAFETY PRECAUTIONIMPORTANT SERVICE SAFETY NOTES.............iPrecautions for using lead-free solder ..............vi

    CHAPTER 1. OPERATION MANUAL[1] Specifications ................................................. 1-1[2] Parts Name and Basic Operation................... 1-2[3] DIMENSIONS ................................................ 1-8[4] Regarding the lamp........................................ 1-9

    CHAPTER 2. REMOVING OF MAJOR PARTS[1] Removing the top Body.................................. 2-1[2] Removing the MAIN Unit................................ 2-3[3] Removing the Speaker Ass'y and TERMI-

    NAL Unit ........................................................ 2-4[4] Removing the EX-Duct Unit and Optical

    Mechanism Unit ............................................. 2-5[5] Removing the Duct and Fan .......................... 2-6[6] Removing the POWER/BALLAST Ass'y

    Unit and R/C RECEIVER Unit........................ 2-7[7] Removing the Fan Unit and POWER Unit

    and BALLAST/BALLAST CONTROL Ass'y Unit................................................................. 2-8

    CHAPTER 3. THE OPTICAL UNIT OUTLINE[1] THE OPTICAL UNIT OUTLINE...................... 3-1

    CHAPTER 4. ELECTRICAL ADJUSTMENT[1] ELECTRICAL ADJUSTMENT........................ 4-1[2] Adjustment mode process menu.................... 4-4

    CHAPTER 5. TROUBLESHOOTING TABLE[1] TROUBLESHOOTING TABLE ......................5-1

    CHAPTER 6. MAJOR IC INFORMATION[1] MAJOR IC INFORMATION............................6-1

    CHAPTER 7. BLOCK DIAGRAM/OVERALL WIRING DIAGRAM[1] BLOCK DIAGRAM.........................................7-1[2] OVERALL WIRING DIAGRAM......................7-2

    CHAPTER 8. PRINTED WIRING BOARD[1] MAIN Unit ......................................................8-1[2] DMD Unit .......................................................8-5[3] POWER Unit..................................................8-6[4] BALLAST Unit ...............................................8-9[5] BALLAST CONTROL Unit ...........................8-10[6] TERMINAL Unit ........................................... 8-11[7] R/C RECEIVER Unit/PHOTO SENSOR

    Unit ..............................................................8-12

    CHAPTER 9. WAVEFORMS[1] WAVEFORMS ...............................................9-1

    CHAPTER 10. SCHEMATIC DIAGRAM[1] DESCRIPTION OF SCHEMATIC DIA-

    GRAM..........................................................10-1[2] SCHEMATIC DIAGRAM..............................10-2

    Parts Guide

    TopPage

    CONTENTS

    No. SY8V1PGD3750W

    In the interests of user-safety (Required by safety regulations in some countries) the set should be re-stored to its original condition and only parts identical to those specified should be used.

    PG-D3750W

    PG-D3750WMODEL

    DATA PROJECTOR

  • PG-D3750WPGD3750W Service Manual

    SAFETY PRECAUTION

    IMPORTANT SERVICE SAFETY NOTES

    IMPORTANT SERVICE SAFETY NOTES (for USA)

    Service work should be performed only by qualified service technicians who are

    thoroughly familiar with all safety checks and servicing guidelines as follows:

    WARNING1. For continued safety, no modification of any circuit

    should be attempted.2. Disconnect AC power before servicing.

    BEFORE RETURNING THE PROJECTOR:

    (Fire & Shock Hazard)

    Before returning the projector to the user, perform

    the following safety checks:

    1. Inspect lead wires are not pinched between the chassisand other metal parts of the projector.

    2. Inspect all protective devices such as non-metalliccontrol knobs, insulating materials, cabinet backs,adjustment and compartment covers or shields,isolation resistor-capacity networks, mechanicalinsulators, etc.

    3. To be sure that no shock hazard exists, check forcurrent leakage in the following manner:Plug the AC cord directly into a 120 - volt AC outlet,(Do not use an isolation transformer for this test).Using two clip leads, connect a 1.5k ohm, 10 wattresistor paralleled by a 0.15F capacitor in parallelbetween all exposed metal cabinet parts and earthground.

    Use an AC voltmeter with sensitivity of 5000 ohm pervolt., or higher, sensitivity to measure the AC voltagedrop across the resistor.All checks must be repeated with the AC plugconnection reversed. (If necessary, a non-polarizedadapter plug must be used only for the purpose ofcompleting these checks.)Any reading of 0.4 volts RMS (this corresponds to 0.27milliamp. AC.) or more is excessive and indicates apotential shock hazard which must be corrected beforereturning the unit to the owner.

    SAFETY NOTICEMany electrical and mechanical parts in DLPProjector have special safety-related characteristics.These characteristics are often not evident from visualinspection, nor can protection afforded by them benecessarily increased by using replacement componentsrated for higher voltage, wattage, etc.Replacement parts which have these special safetycharacteristics are identified in this manual; electricalcomponents having such features are identified by and shaded areas in the Replacement Parts Lists andSchematic Diagrams. For continued protection,

    replacement parts must be identical to those used inthe original circuit. The use of a substitute replacementparts which do not have the same safety characteristicsas the factory recommended replacement parts shownin this service manual, may create shock, fire or otherhazards.

    WARNING: The bimetallic component has the primary

    conductive side exposed. Be very careful in

    handling this component when the power is on.

    DVMAC SCALE

    1.5k ohm10W

    TO EXPOSEDMETAL PARTS

    CONNECT TOKNOWN EARTHGROUND

    0.15 FTEST PROBE

    /////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////

    /////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////

    R i

  • PG-D3750W

    PRECAUTIONS A PRENDRE LORS DE LA REPARATIONNe peut effectuer la rparation qu' un technicien spcialis qui s'est parfaitement

    accoutum toute vrification de scurit et aux conseils suivants.

    AVERTISSEMENT

    1. N'entreprendre aucune modification de tout circuit.C'est dangereux.

    2. Dbrancher le rcepteur avant toute rparation.

    VERIFICATIONS CONTRE L'INCEN-DIE ET

    LE CHOC ELECTRIQUE

    Avant de rendre le rcepteur l'utilisateur, effectuer

    les vrifications suivantes.

    1. Inspecter tous les faisceaux de cbles pour s'assurerque les fils ne soient pas pincs ou qu'un outil ne soitpas plac entre le chssis et les autres picesmtalliques du rcepteur.

    2. Inspecter tous les dispositifs de protection comme lesboutons de commande non-mtalliques, les isolants, ledos du coffret, les couvercles ou blindages de rglageet de compartiment, les rseaux de rsistance-capacit,les isolateurs mcaniques, etc.

    3. S'assurer qu'il n'y ait pas de danger d'lectrocution envrifiant la fuite de courant, de la facon suivante:Brancher le cordon d'alimentation directem-ent uneprise de courant de 120 - V. (Ne pas utiliser detransformateur d'isolation pour cet essai).A l'aide de deux fils pinces, brancher une rsistancede 1.5 k 10 watts en parallle avec un condensateurde 0.15F en srie avec toutes les pices mtalliquesexposes du coffret et une terre connue comme uneconduite lectrique ou une prise de terre branche laterre.

    Utiliser un voltmtre CA d'une sensibilit d'au moins5000/V pour mesurer la chute de tension en traversde la rsistance.Toucher avec la sonde d'essai les pices mtalliquesexposes qui prsentent une voie de retour au chssis(antenne, coffret mtallique, tte des vis, arbres decommande et des boutons, cusson, etc.) et mesurer lachute de tension CA en-travers de la rsistance. Toutesles vrifications doivent tre refaites aprs avoir inversla fiche du cordon d'alimentation. (Si ncessaire, uneprise d'adpatation non polarise peut tre utilise dansle but de terminer ces vrifications.)La tension de pointe mesure ne doit pas dpasser 0.4V(correspondante au courant CA de pointe de 0.27mA).Dans le cas contraire, il y a une possibilit de choclectrique qui doit tre supprime avant de rendre lercepteur au client.

    DVMECHELLE CA

    1.5k ohm10W

    0.15FSONDE D'ESSAI

    AUX PIECESMETALLIQUESEXPOSEES

    BRANCHER A UNETERRE CONNUE

    AVIS POUR LA SECURITEDe nombreuses pices, lectriques et mcaniques, dansles projecteur DLP prsentent des caractristiquesspciales relatives la scurit, qui ne sont souvent pasvidentes vue.Le degr de protection ne peut pas tre ncessairementaugmente en utilisant des pices de remplacementtalonnes pour haute tension, puissance, etc.Les pices de remplacement qui prsentent cescaractristiques sont identifies dans ce manuel;les pices lectriques qui prsentent ces particularitssont identifies par la marque et hachures dans la

    liste des pices de remplacement et les diagrammesschmatiques. Pour assurer la protection, ces picesdoivent tre identiques celles utilises dans le circuitdorigine. Lutilisation de pices qui nont pas les mmescaractristiques que les pices recommandes par lusine,indiques dans ce manuel, peut provoquer deslectrocutions, incendies ou autres accidents.

    AVERTISSEMENT: La composante bimtallique dispose du

    conducteur primaire dnud. Faire attention

    lors de la manipulation de cette

    composante sous tension.

    /////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////

    /////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////

    Rii

  • PG-D3750W

    NOTE POUR LE PERSONNELDENTRETIEN

    PRECAUTION POUR LES RADIATIONS UV

    La source de lumire, la lampe, dans le projecteur metde petites quantits de radiation UV.

    EVITEZ TOUTE EXPOSITION DIRECTE DESYEUX ET DE LA PEAU.Pour votre scurit, nous vous prions de respecterles points suivants:

    1. Toujours porter des lunettes de soleil lors dun entretiendu projecteuravec la lampe allumeet le haut du coffret retir.

    2. Ne pas faire fonctionner la lampe lextrieur du botierde lampe.

    3. Ne pas faire fonctionner plus de 2 heures avec le coffretretir.

    Prcautions pour les radiations UVet la lampe moyenne pression1. Toujours dbrancher la fiche AC lors du remplacement

    de la lampe.2. Laisser lunit refroidir pendant une heure avant de

    procder lentretien.3. Ne remplacer quavec une lampe du mme type. Type

    AN-D400LP, caractristique 330W-DC.4. La lampe met de petites quantits de radiation UV-

    viter tout contact direct avec les yeux.5. La lampe moyenne pression implique un risque

    dexplosion. Toujours suivre les instructionsdinstallation dcrites ci-dessous et manipuler la lampeavec soin.

    NOTE TO SERVICEPERSONNEL

    UV-RADIATION PRECAUTION

    The light source, lamp, in the projector emits small

    amounts of UV-Radiation.

    AVOID DIRECT EYE AND SKIN EXPOSURE.

    To ensure safety please adhere to the following:

    1. Be sure to wear sun-glasses when servicing theprojector with the lampturned on and the topenclosure removed.

    2. Do not operate the lamp outside of the lamp housing.

    3. Do not operate for more than 2 hours with the enclosureremoved.

    UV-Radiation and Medium PressureLamp Precautions1. Be sure to disconnect the AC plug when replacing the

    lamp.2. Allow one hour for the unit to cool down before

    servicing.3. Replace only with same type lamp. Type AN-D400LP

    rated 330W DC.4. The lamp emits small amounts of UV-Radiation, avoid

    direct-eye contact.5. Themedium pressure lamp involves a risk of explosion.

    Be sure to follow installation instructions describedbelow and handle the lamp with care.

    //////////////////////////////////////////////////////////////

    //////////////////////////////////////////////////////////////

    //////////////////////////////////////////////////////////////

    ////////////////////////////////////////////////////////////// iii

  • PG-D3750W

    Remplacement de la lampeRemarque:Comme la lampe devient trs chaude pendant lefonctionnement de lunit, son remplacement ne doittre effectu au moins une heure aprs avoir couplalimentation (pour permettre la lampe de refroidir).En installant la nouvelle lampe, sassurer de ne pastoucher la lampe (ampoule). Remplacer la lampe entenant son rflecteur .[Nutiliser quun remplacement dorigine.]

    1

    2

    2

    Lamp

    Reflector

    Comme de petites quantits de radiation UV sontmises par une ouverture entre les ventilateurs as-pirants, il est recommand de placer le capuchon deloptique optionnelle sur louverture pendant lentretienpour viter une exposition des yeux et la peau.

    Since small amounts of UV-radiation are emittedfrom an opening between the exhaust fans, it is rec-ommended to place the cap of the optional lens onthe opening during servicing to avoid eye and skinexposure.

    DANGER ! Never turn the power on without thelamp to avoid electric-shock or damage of the devicessince the stabilizer generates high voltages at its start.

    UV-RADIATION PRECAUTION (Continued)

    Lamp ReplacementNote:Since the lamp reaches a very high temperature duringunits operation replacement of the lamp should bedone at least one hour after the power has been turnedoff. (to allow the lamp to cool off.)Installing the new lamp, make sure not to touch thelamp (bulb) replace the lamp by holding its reflector

    .[Use original replacement only.]

    DANGER ! Ne jamais mettre sous tension sans lalampe pour viter un choc lectrique ou desdommages des appareils car le stabilisateur gnrede hautes tensions sa mise en route.

    1

    2

    2

    PRECAUTION POUR LES RADIATIONS UV (Suite)

    Lampe

    Reflecteur

    ////////////////////////////////////////////////////////////////

    ////////////////////////////////////////////////////////////////

    ////////////////////////////////////////////////////////////////

    ////////////////////////////////////////////////////////////////iv

  • PG-D3750W

    WARNING: High brightness light source, do not stare into the beam of light, or view directly. Be especially

    careful that children do not stare directly into the beam of light.

    WARNING: TO REDUCE THE RISK OF FIRE OR ELECTRIC SHOCK, DO NOT EXPOSE THIS UNIT TO

    MOISTURE OR WET LOCATIONS.

    CAUTION: TOREDUCETHERISKOFELECTRIC SHOCK,DONOTREMOVECABINET.

    NOUSER-SERVICEABLE PARTS EXCEPT LAMPUNIT.REFERSERVICINGTOQUALIFIEDSERVICE

    PERSONNEL.

    The lighting flash with arrowhead within atriangle is intended to tell the user thatparts inside the product are risk of electricshock to persons.

    The exclamation point within a triangle isintended to tell the user that importantoperating and servicing instructions are inthe manual with the projector.

    CAUTION

    AVERTISSEMENT: Source lumineuse de grande intensit. Ne pas fixer le faisceau lumineux ou le regarder

    directement. Veiller particulirement viter que les enfants ne fixent directement le

    faisceau lumineux.

    AVERTISSEMENT: AFIN DEVITER TOUT RISQUE DINCENDIE OU DELECTROCUTION, NE PAS PLACER

    CET APPAREIL DANS UN ENDROIT HUMIDE OU MOUILLE.

    Lclair termin dune flche lintrieurdun triangle indique lutilisateur que lespieces se trouvant dans lappareil sontsusceptibles de provoquer une dchargelectrique.

    Le point dexclamation lintrieur duntriangle indique lutilisateur que lesinstruct ions de fonctionnement etdentretien sont dtailles dans lesdocuments fournis avec le projecteur.

    RISQUEDLECTROCUTION. NEPASRETIRER LESVIS LEXCEPTIONDE LAVIS DEREPARATIONUTILISATEUR

    SPECIFIEES

    ATTENTION

    ATTENTION: POUREVITER TOUTRISQUEDELECTROCUTION, NE PASRETIRER LECAPOT.

    AUCUNEDES PIECES INTERIEURESNEST REPARABLEPARLUTILISATEUR, A LEXCEPTIONDELUNITEDE

    LAMPE. POUR TOUTEREPARATION, SADRESSERAUNTECHNICIENDENTRETIENQUALIFIE.

    RISK OF ELECTRIC SHOCK.DONOTREMOVE SCREWSEXCEPT SPECIFIED USER

    SERVICESCREW.

    CAUTIONCAUTION

    DOUBLE POLE / NEUTRAL FUSING

    ATTENTIONDOUBLE POLE / FUSIBLE SUR LE NEUTRE

    (POWER Unit)For continuedprotection against arisk of fire, replaceonly with same type8A, AC250V fuse.(F701, F702)

    PRECAUTION(Unit de PUTSSANCE)

    Pour une protectioncontinue contre unrisques dincendie, neremplacer quavec unfusible 8A, AC250Vdu mme type.(F701, F702)

    8A 250V

    8A 250V v

  • PG-D3750WPrecautions for using lead-free solder

    Employing lead-free solder PWBs of this model employs lead-free solder. The LF symbol indicates lead-free solder, and is attached on the PWBs and service manuals. The

    alphabetical character following LF shows the type of lead-free solder.

    Example:

    Using lead-free wire solder When fixing the PWB soldered with the lead-free solder, apply lead-free wire solder. Repairing with conventional lead wire solder may cause dam-

    age or accident due to cracks.

    As the melting point of lead-free solder (Sn-Ag-Cu) is higher than the lead wire solder by 40 C, we recommend you to use a dedicated solderingbit, if you are not familiar with how to obtain lead-free wire solder or soldering bit, contact our service station or service branch in your area.

    Soldering As the melting point of lead-free solder (Sn-Ag-Cu) is about 220 C which is higher than the conventional lead solder by 40 C, and as it has poor

    solder wettability, you may be apt to keep the soldering bit in contact with the PWB for extended period of time. However, Since the land may bepeeled off or the maximum heat-resistance temperature of parts may be exceeded, remove the bit from the PWB as soon as you confirm thesteady soldering condition.

    Lead-free solder contains more tin, and the end of the soldering bit may be easily corroded. Make sure to turn on and off the power of the bit asrequired.

    If a different type of solder stays on the tip of the soldering bit, it is alloyed with lead-free solder. Clean the bit after every use of it.

    When the tip of the soldering bit is blackened during use, file it with steel wool or fine sandpaper.

    Be careful when replacing parts with polarity indication on the PWB silk.

    Lead-free wire solder for servicing

    L F a

    Indicates lead-free solder of tin, silver and copper.

    Part No. Description Code

    ZHNDAi123250E J 0.3mm 250g (1roll) BLZHNDAi126500E J 0.6mm 500g (1roll) BKZHNDAi12801KE J 1.0mm 1kg (1roll) BMvi

  • PG-D3750WPGD3750W Service Manual CHAPTER 1. OPERATION MANUAL

    [1] Specifications

    Model PG-D3750W

    Display devices 0.65" DLP Chip

    Resolution WXGA (1280 800)

    Lens F number F 2.5 - 2.7

    Zoom Manual, 1.15 (f = 21.0 - 24.2 mm)

    Focus Manual

    Input terminals HDMI 1

    Computer/Component1/2(mini D-sub 15 pin)

    2

    S-Video (mini DIN 4 pin) 1

    Video (RCA) 1

    Audio (3.5 mm stereo minijack) 1

    Audio (RCA) 1 (L/R)

    Outputterminals

    Computer/Component(mini D-sub 15 pin)

    1

    Audio (3.5 mm stereo minijack) 1 (variable audio output)

    Control andcommunicationterminals

    LAN (RJ-45) 1

    USB (Type B) 1

    RS-232C (mini D-sub 9 pin) 1

    Speakers 5W 2 (Stereo)

    Projection lamp 330 W

    Rated voltage AC 100 - 240 V

    Rated frequency 50/60 Hz

    Input current 4.5 A

    Power consumption (Standby*) 429 W (10.6 W) with AC 100 V408 W (11.2 W) with AC 240 V

    Operation temperature 41F to 95F (+5C to +35C)

    Cabinet Plastic

    Dimensions (main body only) [W H D] 15 3/4" 3 15/16" 13 13/64"(400 100 335 mm)

    Weight (approx.) 12.8 lbs. (5.8 kg)

    *Standby Mode: Standard

    As a part of policy of continuous improvement, SHARP reserves the right to make design andspecification changes for product improvement without prior notice. The performance specificationfigures indicated are nominal values of production units. There may be some deviations from thesevalues in individual units.1 1

  • PG-D3750W[2] Parts Name and Basic Operation

    Top View

    STANDBY/ONbuttonFor turning thepower on andputting theprojector intostandby mode.

    Lampindicator

    Temperaturewarningindicator

    Adjustment buttons( / / / )For selecting menu items.

    VOL (Volume)buttons (- / +)For adjusting thespeaker soundlevel.

    ENTER buttonFor setting items selectedor adjusted on the menu.

    MENU/HELP buttonFor displayingadjustment andsetting screens, andhelp screen.

    INPUT buttons ( / )For switching input mode.

    KEYSTONE buttonFor entering the KeystoneCorrection mode.

    ECO+QUIETbuttonFor lowering thenoise of the coolingfan and extendingthe lamp life.

    Powerindicator

    RETURN buttonFor returning to theprevious menu screenduring menu operations.

    AUTO SYNCbuttonFor automaticallyadjusting imageswhen connectedto a computer.

    Focus ringFor adjustingthe focus.

    Remote controlsensor

    HEIGHTADJUST lever

    Intake vent

    Zoom ringFor enlarging/reducing the picture.

    Front View

    Adjustment foot

    Lens shutter Adjustment foot

    EExxhhaauusstt vveenntt1 2

  • PG-D3750W

    Using the Kensington LockThis projector has a Kensington Security Standard connector for use with a KensingtonMicroSaver Security System. Refer to the information that came with the system forinstructions on how to use it to secure the projector.

    Carrying handle

    Remote controlsensor

    Terminals

    Rear View

    AAUUDDIIOO 22 iinnppuutt tteerrmmiinnaall

    SS--VVIIDDEEOO iinnppuutt tteerrmmiinnaallTerminal for connecting videoequipment with anS-video terminal.

    VVIIDDEEOO iinnppuutt tteerrmmiinnaallTerminal for connectingvideo equipment.

    KKeennssiinnggttoonn SSeeccuurriittyySSttaannddaarrdd ccoonnnneeccttoorr

    AACC ssoocckkeettConnect thesupplied power cord.

    AAUUDDIIOO OOUUTTtteerrmmiinnaallAudio output terminal of equipmentconnected to the audio input terminal.

    AAUUDDIIOO 11 iinnppuutttteerrmmiinnaall

    HHDDMMII tteerrmmiinnaallTerminal forHDMI input.

    LLAANN tteerrmmiinnaallTerminal for controllingthe projector using acomputer via network.

    RRSS--223322CC tteerrmmiinnaallTerminal for controlling theprojector using a computer.

    CCOOMMPPUUTTEERR//CCOOMMPPOONNEENNTT11 aanndd 22iinnppuutt tteerrmmiinnaallssTerminals for computer RGB andcomponent signals.

    UUSSBB tteerrmmiinnaallTTeerrmmiinnaallconnecting withthe USB terminalon the computerfor using thesupplied remotecontrol as thecomputer mouse.

    MMOONNIITTOORR OOUUTT tteerrmmiinnaall((OOuuttppuutt tteerrmmiinnaall ffoorr ccoommppuutteerrRRGGBB aanndd ccoommppoonneenntt ssiiggnnaallss..SShhaarreedd ffoorr CCOOMMPPUUTTEERR//CCOOMMPPOONNEENNTT11 aanndd 22))Terminal for connecting a monitor.

    SSppeeaakkeerr

    SSppeeaakkeerr

    SSeeccuurriittyy bbaarr

    Using the Carrying HandleWhen transporting the projector, carry it by the carrying handle on theside.Always close the lens shutter to prevent damage to the lens whentransporting the projector.Do not lift or carry the projector by the lens as this may damage thelens.1 3

  • PG-D3750W

    SSTTAANNDDBBYY bbuuttttoonnFor putting the projector intothe standby mode.

    BBRREEAAKK TTIIMMEERR bbuuttttoonnFor displaying thebreak time.

    CCOOMMPPUUTTEERR11//22,, HHDDMMII,,SS--VVIIDDEEOO,, VVIIDDEEOO bbuuttttoonnssFor switching to the respectiveinput modes.

    PPAAGGEE UUPP//PPAAGGEEDDOOWWNN bbuuttttoonnssSame as the [Page Down] and[Page Up] keys on a computerkeyboard, when with the USBconnection (using a USB cableor the optional remote receiver).

    PPOOIINNTTEERR bbuuttttoonnFor displaying thepointer.

    MMOOUUSSEE//AAddjjuussttmmeennttbbuuttttoonnss (( // // // ))For moving thecomputer cursor when with the USBconnection (using a USB cable or theoptional remote receiver).For selecting and adjusting menuitems.

    LL--CCLLIICCKK//EEFFFFEECCTTbbuuttttoonnFor the Left clickwhen with the USB connection(using a USB cable or the optionalremote receiver).For changing the pointer or spotarea.

    KKEEYYSSTTOONNEE bbuuttttoonnFor entering theKeystone Correction mode.

    AAUUTTOO SSYYNNCC bbuuttttoonnFor automaticallyadjusting images whenconnected to a computer.

    EECCOO++QQUUIIEETT bbuuttttoonnFor lowering the noiseof the cooling fan andextending the lamp life.

    AAVV MMUUTTEE bbuuttttoonnFor temporarilydisplaying a blackscreen and turning offthe sound.

    FFRREEEEZZEE bbuuttttoonnFor freezing images.

    VVOOLL ++//-- ((VVoolluummee))buttonsFor adjusting thespeaker sound level.

    OONN bbuuttttoonnFor turning the poweron.

    SSPPOOTT bbuuttttoonnFor displaying thespotlight.

    RR--CCLLIICCKK//RREETTUURRNNbbuuttttoonnFor the Right click whenwith the USB connection(using a USB cable orthe optional remotereceiver).For returning to theprevious menu screenduring menuoperations.

    EENNTTEERR bbuuttttoonnFor setting itemsselected or adjustedon the menu.

    MMEENNUU//HHEELLPP bbuuttttoonnFor displayingadjustment and settingscreens, and helpscreen.

    PPIICCTTUURREE MMOODDEEbbuuttttoonnFor selecting theappropriate picture.

    RREESSIIZZEE bbuuttttoonnFor switching thepicture size (NORMAL,STRETCH, etc.).

    MMAAGGNNIIFFYY bbuuttttoonnssFor enlarging/reducingpart of the image.1 4

  • PG-D3750W

    Inserting the Batteries

    1 Pull down the tab on the cover and remove thecover towards the direction of the arrow.

    2 Insert the batteries.Insert the batteries making sure the polarities correctly matchthe and marks inside the battery compartment.

    3 Insert the lower tab of the cover into the opening,and lower the cover until it clicks in place.

    Incorrect use of the batteries may cause them to leak or explode.Please follow the precautions below

    CautionDanger of explosion if battery is incorrectly replaced.Replace only with alkaline or manganese batteries.Insert the batteries making sure the polarities correctly match the and marks inside the batterycompartment.Batteries of different types have different properties, therefore do not mix batteries of different types.Do not mix new and old batteries.This may shorten the life of new batteries or may cause old batteries to leak.Remove the batteries from the remote control once they have run out, as leaving them in can cause them to leak.Battery fluid from leaked batteries is harmful to skin, therefore ensure you wipe them first and thenremove them using a cloth.The batteries included with this projector may run down in a short period, depending on how they are kept.Be sure to replace them as soon as possible with new batteries.Remove the batteries from the remote control if you will not be using the remote control for a long time.Comply with the rules (ordinance) of each local government when disposing of worn-out batteries.

    1

    2

    31 5

  • PG-D3750W

    Connecting Pin Assignments

    COMPUTER/COMPONENT input and COMPUTER/COMPONENT output Terminals: miniD-sub 15 pin female connector

    COMPUTER Input/Output COMPUTER Input/Output

    Pin No. Signal Pin No. Signal

    1.2.3.4.5.6.7.8.9.10.11.12.13.14.15.

    Video input (red)Video input (green/sync on green)Video input (blue)Not connectedNot connectedEarth (red)Earth (green/sync on green)Earth (blue)Not connectedGNDNot connectedBi-directional dataHorizontal sync signal: TTL levelVertical sync signal: TTL levelData clock

    1.2.3.4.5.6.7.8.9.10.11.12.13.14.15.

    PR (CR)YPB (CB)Not connectedNot connectedEarth (PR)Earth (Y)Earth (PB)Not connectedNot connectedNot connectedNot connectedNot connectedNot connectedNot connected

    HDMI Terminal

    Pin No. Name Pin No. Name Pin No. Name

    1234567

    T.M.D.S data 2+T.M.D.S data 2 shieldT.M.D.S data 2T.M.D.S data 1+T.M.D.S data 1 shieldT.M.D.S data 1T.M.D.S data 0+

    8910111213

    T.M.D.S data 0 shieldT.M.D.S data 0T.M.D.S clock+T.M.D.S clock shieldT.M.D.S clockCEC

    141516171819

    ReservedSCLSDADDC/CEC ground+5V powerHot plug detection

    510

    15

    1

    11

    6

    119

    2181 6

  • PG-D3750W

    RS-232C Terminal: D-sub 9 pin male connector

    Pin No. Signal Name I/O Reference

    1.2.3.4.5.6.7.8.9.

    RDSD

    SG

    RSCS

    Receive DataSend Data

    Signal Ground

    Request to SendClear to Send

    InputOutput

    Not connectedConnected to internal circuitConnected to internal circuitNot connectedConnected to internal circuitNot connectedConnected to CS in internal circuitConnected to RS in internal circuitNot connected

    RS-232C Cable recommended connection: D-sub 9 pin female connector

    Pin No. Signal Pin No. Signal

    1.2.3.4.5.6.7.8.9.

    CDRDSDERSGDRRSCSCI

    1.2.3.4.5.6.7.8.9.

    CDRDSDERSGDRRSCSCI

    ProjectorPin No.

    ComputerPin No.

    456

    456

    USB Terminal: Type B USB connector LAN Terminal: LAN (RJ-45)

    Pin No. Signal Name Pin No. Signal Pin No. Signal

    1.2.3.4.

    VCCUSBUSB+SG

    USB powerUSB dataUSB data+Signal Ground

    1.2.3.4.

    TX+TXRX+

    5.6.7.8.

    RX

    1 5

    6 9

    5 1

    9 6

    Note

    Depending on the controlling device used, it may be necessary to connect Pin 4 and Pin 6 on thecontrolling device (e.g. computer).

    Note

    4 3

    1 2

    8 ... 1...

    Connecting Pin Assignments1 7

  • PG-D3750W[3] DIMENSIONS

    Units: inches (mm)

    M4M4

    M4M4

    1/4(6)

    1313/64(335)

    315/16(100)

    143/64

    (42.2)

    417/32(115)

    3 23/64(85)

    4 17/32(115)

    15 3/4 (400)1/8 (3)

    11/2

    (38)

    333/64

    (89)

    649/64(171.5)

    15/64 (5.75)1 13/16(45.75)

    4 5/8(116.25)

    2 61/64(75)

    7 5/64(179.75)1 8

  • PG-D3750W[4] Regarding the lamp

    Regarding the Lamp

    LampIt is recommended that the lamp (sold separately) be replaced when the remaining lamp life becomes5% or less, or when you notice a significant deterioration in the picture and color quality. The lamp life(percentage) can be checked with the on-screen display.Purchase a replacement lamp of type AN-D400LP from your place of purchase, nearest SharpAuthorized Projector Dealer or Service Center.

    IMPORTANT NOTE TO U.S. CUSTOMERS:The lamp included with this projector is backed by a 90-day parts and labor limitedwarranty. All service of this projector under warranty, including lamp replacement,must be obtained through a Sharp Authorized Projector Dealer or Service Center.For the name of the nearest Sharp Authorized Projector Dealer or Service Center,please call toll-free: 1-888-GO-SHARP (1-888-467-4277).

    Hg LAMP CONTAINS MERCURY For State Lamp DisposalInformationwww.lamprecycle.org or 1-800-BE-SHARP U.S.A ONLY

    Caution Concerning the LampThis projector utilizes a pressurized mercury lamp. A loud sound may indicate lamp failure. Lamp failurecan be attributed to numerous sources such as: excessive shock, improper cooling, surface scratchesor deterioration of the lamp due to a lapse of usage time.The period of time up to failure largely varies depending on the individual lamp and/or the condition andthe frequency of use. It is important to note that failure can often result in the bulb cracking.When the lamp replacement indicator and on-screen display icon are illuminated, it is recommendedthat the lamp be replaced with a new one immediately, even if the lamp appears to be operatingnormally.Should the lamp break, there is also a possibility that glass particles may spread inside of the projector.In such a case, it is recommended you contact your nearest Sharp Authorized Projector Dealer orService Center to assure safe operation.Should the lamp break, the glass particles may spread inside the lamp cage or gas contained in thelamp may be vented into the room from the exhaust vent. Because the gas in this lamp includesmercury, ventilate the room well if the lamp breaks and avoid all exposure to the released gas. In case ofexposure to the gas, consult a doctor as soon as possible.

    Replacing the Lamp

    Caution

    Do not remove the lamp unit from the projector right after use. The lamp will be very hot and may causeburns or injury.Wait at least one hour after the power cord is disconnected to allow the surface of the lamp unit to fullycool before removing the lamp unit.

    Carefully change the lamp by following the instructions described in this section. * If youwish, you may have the lamp replaced at your nearest Sharp Authorized Projector Dealer or

    Service Center.

    * If the new lamp does not light after replacement, take your projector to the nearest Sharp Authorized ProjectorDealer or Service Center for repair.1 9

  • PG-D3750W

    Regarding the Lamp (Continued)

    Removing and Installing theLamp Unit

    Warning!Do not remove the lamp unit from theprojector right after use. The lamp and partsaround the lamp will be very hot and maycause burns or injury.

    Info

    Do not touch the glass surface of the lampunit or the inside of the projector.

    lamp, make sure you carefully follow thesteps below.Do not loosen other screws except for thelamp unit cover and lamp unit.

    1 Press SSTANDBY/ON on theprojector or SSTANDBY on theremote control to put theprojector into standby mode.

    2 Disconnect the power cord.Unplug the power cord from the ACsocket.Leave the lamp until it has fully cooleddown (about 1 hour).

    3 Remove the lamp unit cover.Close the lens shutter. Loosen the userservice screw ( ) that secures the lampunit cover. Remove the lamp unit cover( ).

    Lamp unitAN-D400LP

    Optionalaccessory

    1 STANDBY/ON button/

    AC socket

    2

    3

    User service screw(for lamp unit cover)

    1

    2

    1

    1

    2

    21 10

  • PG-D3750W

    4 Remove the lamp unit.Loosen the securing screws from the lampunit. Hold the lamp unit and pull it in thedirection of the arrow. At this time, keepthe lamp unit horizontal and do not tilt it.

    5 Insert the new lamp unit.Press the lamp unit firmly into the lamp unitcompartment. Fasten the securing screws.

    6 Replace the lamp unit cover.Align the tab on the lamp unit cover( ) and place it while pressing the cover( ) to close it. Then tighten the userservice screw ( ) to secure the lamp unitcover.

    Info

    If the lamp unit and lamp unit coverare not correctly installed, the powerwill not turn on, even if the powercord is connected to the projector.

    Resetting the Lamp Timer

    Reset the lamp timer after replacing the lamp.

    Info

    Make sure to reset the lamp timer only whenreplacing the lamp. If you reset the lamp timerand continue to use the same lamp, this maycause the lamp to become damaged orexplode.

    1 Connect the power cord andopen the lens shutter fully.Plug the power cord into the AC socket ofthe projector.

    2 Reset the lamp timer.While simultaneously holding downMENU/HELP, ENTER and on theprojector, press STANDBY/ON on theprojector."LAMP 0000H" is displayed, indicatingthat the lamp timer is reset.

    4Securing screws

    5

    6

    AC socket

    1

    ENTER button

    MENU/HELPbutton

    button

    STANDBY/ONbutton2

    2

    1

    31 11

  • PG-D3750WPGD3750W Service Manual CHAPTER 2. REMOVING OF MAJOR PARTS

    [1] Removing the top Body1. Shift the Lens Cover Assy to the arrow direction.

    2. Remove the 2 lock screws , 6 lock screws , and 1 lock screw .

    1

    2 3 4

    Lens Cover Ass'y1

    Bottom Body Ass'y

    4

    3

    22 1

  • PG-D3750W

    3. Match the Lens Cover Assy with the line of the Bottom Body Assy.

    4. Push the of the Bottom Body Assy and Top Body Assy, then remove the Front Body Assy .

    5. Push the of the Bottom Body Assy, then remove the Top Body Assy .

    1

    2 3

    4 5

    Lens Cover Ass'y 1

    2Bottom Body Ass'y

    Push

    5

    3

    Top Body Ass'y

    Front Body Ass'y

    Bottom Body Ass'y

    4Push

    4Push

    2 Push

    2 Push

    2 Push2 2

  • PG-D3750W[2] Removing the MAIN Unit1. Remove the 1 lock screw , 2 lock screws and 9 lock screws .

    2. Disconnect all the connectors from MAIN Unit .

    1 2 3

    4

    MAIN Unit 4

    Bottom Body Ass'y

    3

    [RCF]

    [TAN]

    [LF] [CW][MO]

    [TH][FC]

    [EB][EA][FB]

    [FA][SP]

    2

    12 3

  • PG-D3750W[3] Removing the Speaker Ass'y and TERMINAL Unit 1. Remove the 4 lock screws and detach the 2 Speaker Assy .

    2. Remove the 4 lock screws and detach the Shield .

    3. Remove the 3 lock screws and detach the TERMINAL Unit .

    1 2

    3 4

    5 6

    Speaker Ass'y 2

    Shield 4

    Speaker Ass'y2

    TERMINAL Unit6

    Bottom Body Ass'y

    5

    3

    1

    1

    [TAN]2 4

  • PG-D3750W[4] Removing the EX-Duct Unit and Optical Mechanism Unit1. Remove the 2 lock screws and detach the EX-Duct Unit .

    2. Remove the 2 lock screws and detach the Fixing Metal .

    3. Remove the 7 lock screws , disconnect the connector Lamp Lead Socket, and detach the Optical Mechanism Unit .

    1 2

    3 4

    5 6

    Bottom Body Ass'y

    EX-Duct Unit 2

    Fixing Metal 4

    1

    3

    5

    OpticalMechanism Unit

    Lamp Lead Socket

    62 5

  • PG-D3750W[5] Removing the Duct and Fan1. Remove the 1 lock screw and detach the Bimetal .

    2. Remove the 2 lock screws and detach the shield .

    3. Detach the Duct and .

    4. Remove the 2 lock screws and detach the Fan .

    1 2

    3 4

    5 6

    7 8

    Optical Mechanism Unit

    Bimetal 2

    Shield 4

    Duct 6

    Fan 8

    Duct 5

    1

    7

    32 6

  • PG-D3750W[6] Removing the POWER/BALLAST Ass'y Unit and R/C RECEIVER Unit1. Remove the 4 lock screws and detach the POWER/BALLAST Assy Unit .

    2. Disconnect the connector RCF and detach the R/C RECIEVER Unit .

    1 2

    3

    1

    POWER/BALLASTAss'y Unit

    2

    R/C RECEIVER Unit 3 Bottom Body Ass'y

    [RCF]2 7

  • PG-D3750W[7] Removing the Fan Unit and POWER Unit and BALLAST/BALLAST CONTROL Ass'y Unit1. Remove the 2 lock screws and detach the Fan Unit .

    2. Remove the 5 lock screws and detach the POWER Unit and Holder .

    3. Disconnect the connectors PB and EB.

    4. remove the 4 holders , and detach the BALLAST/BALLAST CONTROL Assy Unit .

    1 2

    3 4 5

    6 7

    3

    POWER Unit 4

    Holder5

    BALLAST/BALLAST CONTROLAss'y Unit

    7

    Shield

    Fan Unit 2

    Holder 6

    1

    Holder 6

    [PB]

    [EB]

    [EA]2 8

  • PG-D3750WPGD3750W Service Manual CHAPTER 3. THE OPTICAL UNIT OUTLINE

    [1] THE OPTICAL UNIT OUTLINE1. Layout for proper setup of the optical components and parts (top view)

    (Schematic diagram)

    Item FunctionLamp Light source. DC high-pressure mercury lamp.UV/IR cut filter (UV GLASS) Filters out harmful UV and IR rays from the lamp.Color wheel Splits light from the light source into R, G, B and W through a color filter.Rod (ROD INTEGRATOR) Assures uniform light ray.L1, L2 Focus light from the rod on DMD.M1 Reflects light from the illumination lenses toward DMD.L3 Condenses the light from the reflection mirror to the DMD and the pupil of the projection lens.DMD Turns the internal micromirror ON/OFF at the rate of color component of each dot of the input source

    to reflect light.Projection lens Enlarges light from DMD and projects it on a screen.3 1

  • PG-D3750W2. When the DMD unit has been replaced.

    If shading shown in Figure 1 appears on the screen after replacing DMD, turn the adjustment screw of the optical engine to adjust the lighting area ofDMD.

    CAUTION: Please promptly adjust 2-1) when there is a shadow like Figure 1 after it lights

    and remove the shadow.

    1) Loosen the adjustment lever fixing screw . After adjusting the lighting area with the adjustment lever , tighten the adjustment lever fixing

    screw .

    2) When mounting DMD, tighten the 4 screws evenly.

    Fig. 1

    Shading

    1 2

    1

    Tightening order: 1 2 3 4Screw torque: 0.44 0.05 Nm3 2

  • PG-D3750WPGD3750W Service Manual CHAPTER 4. ELECTRICAL ADJUSTMENT

    [1] ELECTRICAL ADJUSTMENT

    No. Adjusting point Adjusting conditions Adjusting procedure1 Initialization of EEPROM 1. Turn on the power (lamp on state), and

    execute aging for 15 minutes.1. Make the following settings. Press S2551 to enter the process mode, and execute SS2 in the SS menu.

    2 Model setting (Process menu)1. Select the following items. Group: CONFIRM Adjustment item: MODEL

    1. WXGA series MODEL0 ... PG-D3750W (Initial value)

    3 CW index adjustment 1. Signal input: Feed the 256 STEP color bar. WXGA model: XGA 60Hz2. Select the following items. Group: ADJUST CW/AutoKS Adjustment item: CW-INDEX

    1. Feed the signal to the COMPUTER terminal.2. Select the adjustment item, and adjust the lamp patterns of R, G, B, and W so that they become smooth with no color mixture or noise.

    4 R/G/B contrast adjustment (Manual or automatic adjust-ment)

    1. Select the following items. Group: ADJUST AD/DLP Adjustment item: R-CONT G-CONT B-CONT (Process gamma interlock)2. Feed the white signal of amplitude level 96% (0.67 Vpp) to the Computer terminal. WXGA model: XGA 60Hz

    1. Observe the chromaticity value of the 96% white wind pattern using CA100.2. In the screen of bit error, increase the R/G/B-Contrast value, and make adjustment so that the bit error is caused in each of black to bright red, green and blue and the x value of R and the y value of G/B vary by more than 100/1000.3. If manually and visually adjust the screen with bit error, make adjustment so that bright bit error of each color appears in more than half of the screen.

    5 RGB white balance adjustment 1. Feed the 50% gray pattern signal to the Computer terminal. WXGA model: XGA 60Hz2. Select the following items. Group: ADJUST AD/DLP Adjustment item: R-GAIN G-GAIN B-GAIN

    1. Make adjustment so that the following chromaticity values are obtained using CL200 by increasing the adjustment values of the 2 items in R/G/B-GAIN from the initial value of 100. x value: 3025 y value: 3235

    6 sRGB white balance adjust-ment

    1. Feed the 50% gray pattern signal to the Computer terminal. WXGA model: XGA 60Hz2. Select the following items. Group: CONFIRM/DLP Adjustment item: S-G-OS S-B-OS

    1. Adjust S-G-OS and S-B-OS so that the following chromaticity values are obtained using CL200. x value: 3135 y value: 3295

    * Also check that the intensity of the colorsincluding magenta appearing especially incertain W gradation is minimized.

    R

    G

    B

    W4 1

  • PG-D3750WPoint to be checked

    No. Adjusting point Adjusting conditions Adjusting procedure1 R/G/B brightness adjustment 1. Select the following items.

    Group: CONFIRM/AD Adjustment item: R-BRIGHT G-BRIGHT B-BRIGHT (Process gamma interlock)

    1. Check the fixed value. Fixed value: 125

    2 Component offset adjustment 1. Feed the 10-step signal of 480P component 100% amplitude.2. Select the following items. Group: CONFIRM/AD Adjustment item: C-R-OS C-B-OS (Process gamma interlock)

    1. Check the fixed values. C-R-OS: 258 C-B-OS: 258

    3 DLP brightness adjustment 1. Select the following items. Group: CONFIRM/DLP Adjustment item: R-BLK G-BLK B-BLK (Process gamma interlock)

    1. Check the fixed value. Fixed value: 252

    3-2 Component white balance adjust-ment

    1. Feed the 50% gray pattern signal.2. Select the following items. Group: CONFIRM/DLP Adjustment item: C-R-OS C-G-OS C-B-OS

    1. Check the fixed values. C-R-OS: 125 C-G-OS: 123 C-B-OS: 135

    4 Video contrast adjustment 1. Feed the NTSC100% wind pattern signal. (Signal with burst)2. Select the following items. Group: CONFIRM/VIDEO Adjustment item: V-CONT

    1. Check the fixed value. Fixed value: 134

    5 Video brightness adjustment 1. Feed the NTSC100% wind pattern signal. (Signal with burst)2. Select the following items. Group: CONFIRM/VIDEO Adjustment item: V-BRIGHT

    1. Check the fixed value. Fixed value: 68

    6 Video TINT adjustment 1. Feed the internal 8CH (split color bar).2. Select the following items. Group: CONFIRM/VIDEO Adjustment item: V-HUE

    1. Check the fixed value. Fixed value: 128

    7 Video color saturation adjustment 1. Select the following items. Group: CONFIRM/VIDEO Adjustment item: V-COLOR

    1. Check the fixed value. Fixed value: 127

    8 RGB gradation reproduction adjustment

    1. Feed the SMPTE pattern. 1. Check that the gradations of white 100% and 95% and black 0% and 5% are observed.

    9 Video white balance adjustment 1. Feed the 50% gray pattern signal.2. Select the following items. Group: CONFIRM/VIDEO Adjustment item: V-R-OS V-G-OS V-B-OS

    1. Check the fixed values. V-R-OS: 125 V-G-OS: 123 V-B-OS: 135

    10 Check and readjustment of white balance

    1. RGB input, sRGB input, video input, DTV input, and DVD input

    1. Check that there is no difference in white balance compared to the monitor.

    11 Off-timer operation check 1. Select the following items. Group: CONFIRM/CHECK Adjustment item: TEMP-OFF

    1. Check that the off-timer starts counting from 5 minutes and 1 minute is counted as 1 second and the unit is turned off when displaying 0 minutes.

    12 Thermistor operation check 1. Heat the thermistor with a dryer. 1. Check that TEMP is displayed.4 2

  • PG-D3750W

    * Software writing procedure (Using the main PWB only)

    Download the firmware using DLP Composer Lite Version 7.0 or later.

    The writing software writes the firmware of the specified version and checks the version of the firmware written through RS232C.

    Calling and quitting the process mode with the control keys on this model.* Although it is possible for the process OUT to exit using the process menu, the IN/OUT toggle command is also available considering the existing

    specification.

    1) Calling and quitting

    With the menu not displayed, press the ENTER, ENTER, VOL+, VOL-, ENTER, ENTER and MENU keys on the remote control (one forC50/45 or P25/20 system is also usable) or on the main unit.

    2) Others

    Press the S2551 process key (toggle) on the main PWB to call and quit the process menu.

    NOTE: When adjusting in the process mode, set a signal with a vertical frequency of 60 Hz or no signal. (May not be properly adjusted with other sig-nals.)

    Resetting the lamp timer for this model1) Resetting procedure

    In Stand-by, run this command to clear the operating time of the lamp to 0 and turn on the power.

    Press and hold , ENTER, and MENU, and then press the STANDBY/ON key of the set.

    Forced disabling of the System-Lock of this model1) Disabling procedure

    With System-Lock input window onscreen, press the MENU, ENTER, ENTER, MENU, ENTER, ENTER and MENU keys, in this order,on the remote controller.

    13 Auto-sync operation 1. Receive the phase check pattern. 1. In the VGA/SVGA/XGA/SXGA/UXGA/WXGA mode, check that Clock, Phase, H-POS, and V-POS can be adjusted automatically.

    15 Check of MONITOR output and AUDIO output

    1. Feed the analog video signal to the COMPUTER and DVI-I terminals, and the audio signal to the AUDIO1 and AUDIO2 terminals.2. Connect another monitor to the MONITOR OUT terminal.3. Connect the AUDIO OUT terminal.

    1. Check that the same image is displayed on the connected monitor as that displayed on the screen, and the selected sound is sent from the audio OUT.

    16 RS232C operation check 1. Connect to the PC with an RS232C cable. 1. Check that the unit operates correctly by transmitting the command from the PC.

    17 USB operation check 1. Connect to the PC with a USB cable. 1. Check that the page up/down on the remote control functions.

    18 LAN operation check 1. Connect to the PC with a LAN cable. 1. Check that communication is possible.19 HDMI input operation check 1. Feed the video signal and audio signal to the

    HDMI terminal.1. Check that the image is projected correctly and the sound is heard from the speakers.2. Check that the HDCP authentication is possible.

    20 Check of model name and version 1. Select the following item. Group: INFO/VERSION

    1. Check that the name of the relevant device is shown in MODEL and the firmware version correctly appears in VERSION.

    22 Factory setting 1. Factory setting1. Make the following settings.

    No. Adjusting point Adjusting conditions Adjusting procedure

    DestinationProcess Remote control

    adjustment adjustment

    USA SS4 Factory setting at 4

    Europe and regions other than thefollowing

    SS3 Factory setting at 3

    China SS6 Factory setting at 64 3

  • PG-D3750W[2] Adjustment mode process menu

    1st Layer 2nd Layer DefaultADJUST CW/Auto KS CW-INDEX 30

    CALK-SENS (0)

    AD/DLP R-CONT 110G-CONT 110B-CONT 110R-GAIN 100G-GAIN 100B-GAIN 100

    SS SS1 SS2 SS3 SS4 SS5 SS6

    CONFIRM AD R-BRIGHT 125G-BRIGHT 125B-BRIGHT 125C-R-OS 258C-B-OS 258

    DLP R-BLK 252G-BLK 252B-BLK 252S-R-OS 128S-G-OS 128S-B-OS 128C-R-OS 125C-G-OS 123C-B-OS 135

    VIDEO V-CONT 134V-BRIGHT 68V-COLOR 127V-HUE 128V-R-OS 125V-G-OS 123V-B-OS 135OFFSET-MODE 0OFFSET-CONT 0OFFSET-BRI 0

    MODEL MODEL-SELECT 0CHECK LED-CHK 0

    TEMP-OFF INFO VERSION MODEL

    VER. PATTERN RGB 1

    RGB50 1CORSS 1STEP 1COLOR 1CHR 1

    LAMP CURRENT 0HISTORY1 0HISTORY2 0HISTORY3 0HISTORY4 0TOTAL 0

    TEMP/FAN TEMP1 TEMP2 FAN0 3FAN1 3FAN2 3

    1st Layer 2nd Layer DefaultOTHER SPECIAL USB-MODE 0

    HDCP-MODE 0PULSE-MODE 0

    EDID EEP-SELECT 1EEP-WP 0

    EXIT4 4

  • PG-D3750W1. Ballast unit output power (lamp power) adjustment1. List of the parts to be adjusted

    After replacing the following parts, adjust the ballast unit output power (lamp power).

    2. Adjustment method of the ballast unit output power (lamp power)

    Adjust the ballast unit output power (lamp power) in the following way.

    [Adjustment method]

    Make adjustment so that the resistance value of both ends of the volume resistor (R7722) on the ballast control PWB (DUNTKE934WEF*)reaches the following value.

    Adjustment value: 3.60.2k

    [Adjustment point]

    Ballast control PWB (DUNTKE934WEF*) wiring diagram

    Part name Ref No. Part code1 Cement resistor R950 RR-WZA015WJZZ2 Ballast Control PWB DUNTKE934WEF03 Ballast microprocessor IC7707 RH-iXC630WJZZQ4 5V regulator IC7704 VHiTA78L05F-1Y5 PWM controller IC7701 VHiM51995AF-1Y

    C7718

    1000P

    R7733

    4.7K

    R7735

    2.2K

    C7717

    1000P

    R7722

    M4555CE10K

    R7842

    6.8K

    C7761

    330P

    R78556.8K

    C7712

    220P

    NJM2902V

    1 2 3 4

    VCC

    5 6 7

    891011

    GND

    121314

    R7776

    1K

    TP7738

    TP774

    R77211K

    D

    R7720

    22K D

    R77291.5K D

    IC77034 5

  • PG-D3750WPGD3750W Service Manual CHAPTER 5. TROUBLESHOOTING TABLE

    [1] TROUBLESHOOTING TABLE

    Checking the basic operation

    Does the power LED light up or flash in red or green?

    NO Has P1701 come off or is it loose? YES Fully insert the connector.

    YES NODoes the set function with its keys or the remote controller?

    NO Go to Main PWB check.

    YESLamp does not turn on or it turns off in a short time.

    YES Go to Checking the lamp light-up.

    NONothing is displayed or white vertical line noise appears.

    YES Go to DMD system check.

    NOColors are not displayed normally.Color deviation and color fluctuation occur.

    YES Check PHOTO SENSOR circuit.

    NOAre RGB and component input displayed normally?

    NO Go to RGB and component signal check.

    YESIs VIDEO input displayed normally? NO Go to VIDEO input check.

    YESIs S-VIDEO input displayed normally? NO Go to S-VIDEO input check.

    YESEND5 1

  • PG-D3750W

    Main PWB check

    Is 12.8 V applied to TL1703? NO Go to Power supply ballast PWB check.

    YESIs approx. 5.5 V applied to TL1702? NO Go to Power supply ballast PWB check.

    YESIs 12.5 V applied to TL3819? NO Check IC3808 and Q3805 and peripheral circuits.

    YESIs 1.2 V applied to TL3813? NO Check Q3802 and peripheral circuits.

    YESIs 3.3 V applied to TL3802? NO Check L3801 and peripheral circuits.

    YESIs 2.5 V applied to TL3801? NO Check L3802 and peripheral circuits.

    YESIs 5 V applied to TL3814? NO Check L3806 and peripheral circuits.

    YESIs 3.3 V applied to TL1792? NO Check IC1792 and peripheral circuits.

    YESIs 12 V applied to TL1761? NO Check IC1761 and peripheral circuits.

    YESIs 1.8 V applied to TL3809? NO Check IC3803 and peripheral circuits.

    YESIs 1.2 V applied to TL3811? NO Check Q3801 and peripheral circuits.

    YESIs 2.8 V applied to TL3807? NO Check IC3807 and IC3802 and peripheral circuits.

    YESIs 2.8 V applied to TL3808? NO Check IC3802 and peripheral circuits.

    YESIs 3.3 V applied to TL2051? NO Check that it is set to the NORMAL side. Or remove S2001.

    YESIs rectangular wave of 20 MHz applied to TL2201? NO Check X2201 and IC2204 and peripheral circuits.

    YESCheck IC2001, IC2262, IC2232 and peripheral circuits.5 2

  • PG-D3750W

    DMD system check

    Check P2501 for breakage and solder crack and peripheral resis-tance for solder crack.

    Check SC9101 on the DMD PWB for breakage and solder crack.

    Is there any vertical stripe (block noise) on the Screen? YES The main PWB and DMD PWB are in poor contact.

    Check the contact surface for dirt and smear.Check the DMD connector for breakage.Reassemble the DMD, optical mechanism, and DMD PWB.

    NOIs the screen all black?

    NO

    YESIs 12.5 V applied to IC3803 pin (2) and 1.8 V to TL3809?

    NO Check IC3803, IC2205, and their peripheral circuits.

    YESIs 400 MHz on IC2201 pin (26) and pin (27)? NO Check IC2201 and peripheral circuits.

    YESIs 320 MHz on IC2204 pin (13) and pin (14)? NO Check IC2204 and peripheral circuits.

    YES

    Is approx. 8 V applied to TL9303 on the DMD PWB? NO

    YES

    Is approx. 26 V applied to TL9301 on the DMD PWB? NO Check IC9301 and peripheral circuits.

    YES

    NOIs approx. -26 V applied to TL9302 on the DMD PWB?

    YESThe main PWB and DMD PWB are in poor contact.Check the contact surface for dirt and smear.Check the DMD connector for breakage.Reassemble the DMD, optical mechanism, and DMD PWB.5 3

  • PG-D3750W

    Power supply PWB check

    Is 13 V applied to pins (3) and (4) of the connector P704?

    NO

    YESDoes the lamp turn on? YES Check the main PWB.

    NOAre connectors P704 and CN901 fully inserted?

    NO Securely insert the connectors.

    YESIs DC voltage of 380 V applied to both ends of C740?

    NO Is pin (10) of the connector P704 at H?

    NO Check the main PWB.

    YES

    YESCheck peripheral circuits of IC707.

    Is F705 in the OPEN status? NO Is LAMP-EN/SYNC signal properly sent to pin (4) of the connector P7702?

    (Refer to the waveform chart .)

    NO Check the main PWB.

    YES YESCheck circuits F705 and after or replace F705.

    Are GATE waveforms of Q901 appro-priate?

    (See waveform diagram .)

    NO Check the ballast PWB.

    Are connectors P701 and P702 fully inserted?

    NO Securely insert the connectors.

    YESIs AC voltage between 100 - 240 V applied to both ends of C702?

    NO Replace F701 or F702.

    YESIs the bimetal broken?(Connection between 1 and 2 of P702)

    NO Press the red button on the bimetal.

    YESIs R729 open? NO Is F704 open? NO Check peripheral circuits of IC704.

    YES YESCheck that P704 connector pin (10) is at H. Replace R729.

    Replace F704.Check that the power supply FAN FB and FC are not stopped.

    1

    1

    6

    15 4

  • PG-D3750W

    Checking the lamp light-up

    Does the lamp turn on when the power is turned on?

    YES Go to Check when the lamp turns off soon after turning on.

    NOIs the lamp tight in the socket? YES Securely insert the connectors.

    NOHas the FPC cable to SC3801 come off or is it loose?

    YES Securely insert the connectors.

    NOIs rotating sound of the color wheel heard?

    NO Check IC3802 and peripheral circuits.

    (Refer to the waveform chart .)

    YES Replace the color wheel.

    YESIs approx. 0.7 V applied to TL1706? NO Check IC1701 and peripheral

    circuits.

    (Refer to the waveform chart .)

    YESHas the harness connected to P702 on the power supply unit come off, or is it loose?Otherwise, is it broken?

    YES Fully insert the connectors or replace the harnesses.

    NODose the lamp turn on after the replacement?

    YES Replace the lamp.

    NOIs 340 V DC applied to both ends of C917?

    NO Go to Power supply PWB check.

    YESIs D907 or D908 short-circuited? YES Replace D907 or D908.

    NOIs D906 or D910 short-circuited? YES Replace D906 or D910, whichever is

    short-circuited.

    2

    15 5

  • PG-D3750W

    Check when the lamp turns off soon after turning on

    Have connectors P1703, P1721, P1706 and P1723 come off or are they loose?

    YES Securely insert the connectors.

    NOIs each cooling fan rotating? NO Check the cooling fan.

    YESThe lamp light-up. After about 30 sec-onds, the TEMP LED flash red and the lamp turn off.

    YES Check the TEMP1 and TEMP0 signal line.

    NOIs approx. 3 V applied to TL1721? NO Check peripheral circuits of Q1721.

    YESIs 12 V applied to TL1761? NO Check IC1761, IC3802 and peripheral

    circuits.Go to DMD system check.

    YESIs 2.5 V applied to TL3801? NO Is 3.3 V applied to TL3802? YES Check L3802 and peripheral

    circuits.

    YES

    NOCheck L3801 and peripheral circuits.

    Is 5 V applied to TL3814? NO Check L3806 and peripheral circuits.

    YESIs 5 V applied to TL1712? NO Is 5 V applied to TL1712 with P1703

    removed?NO Check connection of FB1710 and

    R3849.

    YES YESIs the signal of 180 Hz sent to TL1716? (When vertical frequency of the input signal is 60 Hz)

    NO Check PHOTO SENSOR PWB.

    YESIs the signal of 180 Hz sent to TL1706? (When vertical frequency of the input signal is 60 Hz)

    NO Check IC1701 and peripheral circuits.

    YESCheck the power supply ballast PWB.5 6

  • PG-D3750W

    RGB DVI-Analog and component signal check

    Send component signal or RGB signal of 1080i (or 720P) from COMPUTER/COMPONENT Terminal or DVI-I Terminal.Select COMPUTER or DVI-Analog using keys on the main unit or the remote control.

    YESIs image displayed normally? YES End

    NOAre picture signals sent to TL3201, TL3229, TL3230, TL3231, TL3232, and TL3233?

    NO Check IC3001 and the peripheral circuits.

    YESIs 3.3V applied to TL1792? NO Check IC1792 and peripheral circuits.

    YESIs 3.3V applied to TL3802? NO Check IC3802 and peripheral circuits.

    YESCheck IC3201 and peripheral circuits.

    DVI digital input check

    Send the DVI digital signal to the DVI-I Terminal.Select DVI-D Computer using the keys on the main unit or the remote controller.

    Does an image appear properly? YES End

    NOIs the DVI signal supplied to R3231, R3232, R3233, R3234, R3235, R3236, R3237 and R3238?

    NO Check DVI-I Terminal, L2801, L2802, L2803, L2804, D2803, D2804 and peripheral circuits.

    YESIs 3.3V applied to TL1792? NO Check IC1792 and peripheral circuits.

    YESIs 3.3V applied to TL3802? NO Check IC3802 and peripheral circuits.

    YESCheck IC3201 and peripheral circuits.5 7

  • PG-D3750W

    S-VIDEO check

    Send S-Video signal (color signal) from S-Video Terminal. Select S-Video using keys on the main unit or the remote control.

    Is image displayed normally? YES End

    NOIs image displayed in black and white? YES Check S-VIDEO terminal and peripheral circuits of Q3311.

    NOIs S-VIDEO signal (Y) sent to R3305? NO Check S-VIDEO terminal and peripheral circuits of Q3301.

    YESIs 1.8 V applied to TL3358? NO Check IC3352 and peripheral circuits.

    YESIs 3.3 V applied to TL1792? NO Check IC1792 and peripheral circuits.

    YESIs 3.3 V applied to TL3802? NO Check IC3802 and peripheral circuits.

    YESCheck IC3351 and peripheral circuits.

    VIDEO check

    Send VIDEO signal from VIDEO Terminal. Use buttons on the main unit or the remote control to select VIDEO.

    Is image displayed normally? YES End

    NOIs VIDEO signal sent to C3326? NO Check VIDEO terminal and peripheral circuits of Q3321.

    YESIs 1.8 V applied to TL3358? NO Check IC3352 and peripheral circuits.

    YESIs 3.3 V applied to TL1792? NO Check IC1792 and peripheral circuits.

    YESIs 3.3 V applied to TL3802? NO Check IC3802 and peripheral circuits.

    YESCheck IC3351 and peripheral circuits.5 8

  • PG-D3750W

    Checking the LAN

    LAN communication is disabled even though connecting the con-trol PC with a LAN cable. The LINK LED (green) does not light up.

    YESAre the connection of connecting cable and the settings of IP address, sub-net address and default gateway correct?

    NO Check the connecting cable and LAN settings. If the LAN set-tings are unknown, contact the network administrator. If the network settings cannot be saved, replace IC8003 (EEPROM) as it may be defective.

    YESNOTE: When IC8003 (EEPROM) is replaced, the MAC address

    returns to default. Refer to Resetting after replacing IC8003 (EEPROM) to reset.

    Are the network device (e.g. Hub) between the control PC and cable normal?

    NO Repair defective parts in the network.

    YESWhen data is sent from the control PC, do pins (30) and (31) of IC8201 (PHY receiver) receive signals?

    NO Check the peripheral circuit of J8201 (RJ-45 jack with built-in transformer).

    YESCheck the PHY receiver IC8201 and the peripheral circuits of the microprocessor IC8001.5 9

  • PG-D3750WPGD3750W Service Manual CHAPTER 6. MAJOR IC INFORMATION

    [1] MAJOR IC INFORMATION

    1. Resetting after replacing IC8003 (EEPROM) or MAIN PWB UnitMAC address returns to default. Follow the steps below to reset.

    MAC address setting

    1 Open the top cabinet of the projector and confirm the MAC address (MAC: ************) of the seal on the PWB.

    2 Connect the control PC and projector with a RS-232C cable.

    3 Turn on the AC power supply.

    4 EEPROM returns to default.

    5 Turn off the AC power supply and turn on again.

    6 Set MAC address by using the RS-232C command. (Refer to "MAC address setting" for the setting procedure.)

    7 Enter and check the response.

    Check that it is the same as the set MAC address.

    8 Setting is completed.

    RS-232C commands to be used

    *1 1st byte of the MAC address *2 2nd byte of the MAC address

    *3 3rd byte of the MAC address *4 4th byte of the MAC address

    *5 5th byte of the MAC address *6 6th byte of the MAC address

    *7 7th byte of the MAC address *8 8th byte of the MAC address

    *9 9th byte of the MAC address *10 10th byte of the MAC address

    *11 11th byte of the MAC address *12 12th byte of the MAC address

    1 Enter and [*2], and press "ENTER".

    Responds "OK".

    2 Enter and [*2], and press "ENTER".

    Responds "OK".

    3 Enter and [*2], and press "ENTER".

    Responds "OK".

    4 Enter and [*2], and press "ENTER".

    Responds "OK".

    5 Enter and [*2], and press "ENTER".

    Responds "OK".-

    6 Enter and [*2], and press "ENTER".

    MAC address setting is completed.6 1

  • PG-D3750W2. Resetting after replacing IC2801 and or IC2803 (EDID EEPROM)

    1 Enter and [*2], and press "ENTER".

    Responds "OK".

    2 Enter and [*2], and press "ENTER".

    Responds "OK".

    3 Enter and [*2], and press "ENTER".

    Responds "OK".

    4 Confirm EDID Read/Write using the RS-232C command.Enter "_ E D C _ _ _ 1" for checking IC2801.Enter "_ E D C _ _ _ 2" for checking IC2803.If response is "OK" no problem.If response is "ERR" same hardware issues.

    5 Set EDID year data.See "Check and setting of EDID year data". (P. 4-3)

    6 Do factory setting. (See Chapter 4. [1] - No.21 (P. 4-3))6 2

  • PG-D3750WPGD3750W Service Manual CHAPTER 7. BLOCK DIAGRAM/OVERALL WIRING DIAGRAM

    [1] BLOCK DIAGRAM

    1 23 1097654 8

    J

    A

    B

    C

    D

    E

    F

    G

    H

    I

    1311 191816151412 17

    BLOCK DIAGRAM

    R8C micon TEMP1_AD

    IC3564

    DLPTM

    Data Processor

    DDP2230

    ASIC

    RH-IXB998WJ

    IC2001

    MST3365C

    A/D

    Amp

    PLL

    TMDS

    IC3201

    E2PROM

    64k

    IC2261

    Samsung

    XDRDRAM

    K4Y508BE

    512Mbit

    3.2GHz

    IC2205400MHz

    for XDR

    DQP[7:0],DQN[7:0]

    Clock Generator

    CDCDLP5704

    IC2201

    CFM/CFMN(400MHz)

    RQ[11:0]

    MAD[20:1]

    RS-232C

    AUDIO

    Audio ControlAudio Out SWLV4052FT

    IC3504

    BD3490FY

    IC3502

    Comparator

    IC1101

    Digital

    Video

    Decoder

    TVP5146M

    IC3351

    CWINDEX

    KO[3:1]

    FANLOCK

    LVDS / DDA_P(8),DDA_N(8),DCLKA_P,DCLKA_N,SCTRLA_P,SCTRLA_N

    DDB_P(8),DDB_N(8),,DCLKB_P,DCLKB_N,SCTRLB_P,SCTRLB_N

    MBRST[15:0]

    DAD2000

    AnalogASIC

    IC9301RH-IXC119WJ

    Computer1

    HDMI

    SCL,SDA

    SCL,SDA

    R,G,B

    H,V

    H.V

    EDID

    EDID

    EDID5V

    Video(RCA)

    SDRAM

    IXC615WJ

    IC2232

    MD[15:0]

    SCL,SDA

    VCC2

    SCL,SDA

    N-LIGHT

    OUT

    CMD/RST/SCK/SRD

    20MHz/for system

    R/C

    LCH

    CLK,DI,DO,CS0,

    CS1,CS2

    CONTROL(10),INTDMD

    LVDSx2

    RESET

    RCH

    H,VSOUT

    DATACK

    ROUT[8:0]GOUT[8:0]

    BOUT[8:0]

    VY[9:1]VCLK

    FLOE

    CS0

    AD

    SOG

    X'tal

    14.3MHz KII[5:1]

    V_PDWN,V_RES

    SEL

    PF_CON

    LAMP_CON

    Leaf SW

    LENS SHUTTER

    SW

    RCS

    (5)

    Bus

    Sound

    PWM

    S-Video(S)

    Audio AMP

    YDA147SZ

    IC1301

    Audio SW

    NJM2750M

    IC3505

    EDID

    E2PROM

    IC3051

    EDID5V

    EDID

    H,V

    R,G,B

    SYNC SW

    LCX157MT

    SOG SW

    IC8202

    IC3152

    RGB AMP

    EL8302IUIC3001IC3002

    R,G,B

    H,V

    Computer2(15pin D-sub)

    Monitor OUT(15pin)Level

    Converter

    VHCT125A

    IC3101

    I/O

    PCA9557P

    IC3353

    ECO

    RGB

    RGB0

    RGB1

    SELOUT

    DIS

    SP_MUTE

    RS232C DRIVER

    M3221EIP

    RMC1501R/C

    RxD1/TxD1

    Photo Sensor

    IC1102

    N/F PFCPSU

    LAMP

    BIMETAL

    R,G,B

    PWM IXC630WJ

    DC-DC Converter Low Voltage Starter

    TMDS 0/1/2/3

    CEC

    EDID

    IC3007E2PROM

    EDID

    IC2801E2PROM

    FLASH

    IXC764 WJ

    64Mbit

    Audio

    CODEC

    IC3501

    IC2262

    CWCTR

    CWY1/2/3

    CWPWM

    USB

    ThermistorTEMP2_AD

    LENS SHUTTER

    USB

    320MHz/for LVDS

    100MHzClock Synthesizer

    CCDLP223

    IC2204

    ALFH,ALFV

    DE

    VY0POWERGOOD

    POSENSE PMD1000Regulator

    Motor Driver

    Fan control

    IC3802

    RH-IXB689WJ

    X'tal

    20MHz

    FAN CTRL

    Q1722

    Q1723

    Q1724

    UART SWLV4052

    IC4012

    AUDIO-OUT (3.5 )

    AUDIO-IN (3.5 )

    Audio SW

    LVC2G53P

    IC3503

    AUDIO-IN (RCA L,R)

    CVBS

    Y/C

    Power unit Ballast unit

    Main unit

    EB

    EB

    EA

    EA

    B+13V, B+6V, B+12V, AUDIO

    LED

    STANDBY(G/R)

    LAMP(G/R)

    TEMP.(R)

    KEY

    Port2

    Port1

    GPIO

    Input CTL

    Port 0

    I2C BUS Host

    Memory

    USB

    UART1

    XDR IF

    DMD

    SR16

    SSP0

    IR0

    GPIO

    LAMP FAN

    EXHAUST FAN / POWER

    Color Wheel

    EXHAUST FAN

    SENSOR UNIT

    RC UNIT

    R/C

    RMCA071

    DMD UNIT

    TH2

    LF

    FA

    FB

    FC

    MO

    CW

    CW

    RCF

    RC

    IN-LET

    LAN(RJ45)

    PHY

    RTL8201DLAN control

    SH2

    SDRAM

    IXC615WJ

    FLASH

    IXC765WJ

    UART0

    FAO/VAO

    AOUT_MUTE

    X'tal

    25MHzX'tal

    24.576MHz

    X'tal

    12.288MHz

    TAN unit

    SCL,SDA

    Thermistor

    TH3501

    MIX

    AHC1G08W

    IC1704

    SPDIF07 1

  • PG-D3750W[2] OVERALL WIRING DIAGRAM

    1 2 3 1097654 8

    J

    A

    B

    C

    D

    E

    F

    G

    H

    I

    1311 191816151412 17

    OVERALL WIRING DIAGRAM

    1

    2

    3

    L

    N

    P1703

    N0363TA

    CW

    1 B+5VA-ON

    2 CWINDEX

    3 GND

    P1101

    N0363TA

    CW

    1B+5VA

    2CWINDEX

    3GND

    241

    GND

    220V

    3PT

    4GND

    5TMP

    6VIN

    7IL

    8VL

    9SCP

    10

    CST

    11

    P_SW

    20

    GND

    21

    N-LIGHT

    22

    ECO

    23

    LAMP

    P3562

    N0363TA

    TH2

    13.3V

    2TEMP1

    3NC

    P702N0269GE

    BB1

    BB2

    P1121 N0458RERC

    1 B+5VA

    2 R/C

    3 GND

    4 NC

    P2501 ZA027WJ

    1 GND 2GND

    3 B+3.3VD 4B+3.3VD

    5 B+3.3VD 6B+3.3VD

    7 GND 8GND

    9 DDB_P1 10GND

    11 DDB_N1 12GND

    13 DDB_P3 14GND

    15 DDB_N3 16GND

    17 DDB_P5 18GND

    19 DDB_N5 20GND

    21 DDB_P7 22GND

    23 DDB_N7 24GND

    25 DCLKB_P 26GND

    27 DCLKB_N 28GND

    29 SCTRLB_P 30GND

    31 SCTRLB_N 32GND

    33 DDB_P9 34GND

    35 DDB_N9 36GND

    37 DDB_P11 38GND

    39 DDB_N11 40GND

    41 DDB_P13 42GND

    43 DDB_N13 44GND

    45 DDB_P15 46GND

    47 DDB_N15 48GND

    49 GND 50GND

    51 DDA_P15 52GND

    53 DDA_N15 54GND

    55 DDA_P13 56GND

    57 DDA_N13 58GND

    59 DDA_P11 60GND

    61 DDA_N11 62GND

    63 DDA_P9 64GND

    65 DDA_N9 66GND

    67 DCLKA_P 68GND

    69 DCLKA_N 70GND

    71 SCTRLA_P 72CHECK 1

    73 SCTRLA_N 74CHECK 0

    75 DDA_P7 76GND

    77 DDA_N7 78GND

    79 DDA_P5 80EXT_ARSTZ

    81 DDA_N5 82SSP0_CSZ1

    83 DDA_P3 84SSP0_CSZ0

    85 DDA_N3 86SSP0_RXD

    87 DDA_P1 88SSP0_CLK

    89 DDA_N1 90SSP0_TXD

    91 GND 92GND

    93 GND 94GND

    95 DAD_MODE1 96DAD_SEL1

    97 DAD_MODE0 98DAD_SEL0

    99 DAD_STRB 100DAD_INTZ

    101 DAD_OEZ 102GND

    103 DAD_ADDR3 104GND

    105 DAD_ADDR2 106TEMP0_AD

    107 DAD_ADDR1 108GND

    109 DAD_ADDR0 110B+3.3VA

    111 GND 112GND

    113 GND 114GND

    115 B+12VDMD 116B+12VDMD

    117 B+12VDMD 118B+12VDMD

    119 GND 120GND

    121

    122

    SC3801

    WA500WJ

    MO

    1 CWY1

    2 CWY2

    3 CWY3

    4 CWCTR

    P1704 N0463TARC

    1 B+5VA

    2 R/C

    3 GND

    4 NC

    P704

    MA114WJ

    1 GND 2GND

    3 B+13V/12V_FMT 4B+13V/12V_FMT

    5 GND 6GND

    7 B+6V 8B+6V

    9 POW_SEL/B+6V 10PFC-CON

    11 GND(Audio) 12GND(Audio)

    13 B+12V_Audio/13V 14B+12V_Audio/13V

    P703

    NB470WJ

    To Ballast

    1B+20V

    2GND

    4B+385V

    P701AA007WJ

    P1701 NA071WJEA

    1GND

    2 GND

    3B+13V4 B+13V

    5GND6GND

    7B+6V8 B+6V

    9B+6V/POW_SEL10 PFC_CON

    11AUDIO_GND12 AUDIO_GND

    13B+12V_AUDIO14 B+12V_AUDIO

    P901

    NB470WJ

    From Power

    1B+20V

    2GND

    4B+385V

    P7702N0564TAEB

    1 N-LIGHT C

    2 N-LIGHT E

    3 B+6V_BALLAST

    4 LAMP_CON

    5 ECO

    P1707

    N0563TA

    EB for Ballast

    1 N-LIGHT C

    2 N-LIGHT E

    3 B+6V_BALLAST

    4 LAMP_CON

    5 ECO

    P1709 N0563TALF

    1 RCS

    2 RCS_PULL

    3 NC

    4 LENSSHUTTER

    5 LENSSHUTTER_PULL

    P1301

    NA058WJSP

    1 LCH(+)

    2 LCH(-)

    3 RCH(-)

    4 RCH(+)

    P1721 N0464TAFA

    LAMP FAN

    1 FAN_P

    2 FAN_N

    3 NC

    4 LOCK

    P1706 N0464TAFB

    POWER FAN

    1 FAN_P

    2 FAN_N

    3 NC

    4 LOCK

    P1723 N0364TAFC

    EXHAUST FAN

    1 FAN_P

    2 FAN_N

    3 LOCK

    P3501

    N1563TA

    TAN

    1KODEN_RXD

    2AUD_OUTR

    3GND

    4AUD_OUTL

    5GND

    6AUD_INR

    7GND

    8AUD_INL

    9GND

    10B+3.3VSTBY

    11TXD

    12RXD

    13UART_CON_TAN

    14R/C_R

    15GND

    P1501

    N1558RETAN

    1 KOUDEN_RXD

    2 AUD_OUTR

    3 GND

    4 AUD_OUTL

    5 GND

    6 AUD_INR

    7 GND

    8 AUD_INL

    9 GND

    10 B+3.3V_STBY

    11 TXD

    12 RXD

    13 UART_CON_TAN

    14 R/C_R

    15 GND

    QCNW-H896WJQZ

    POWER FAN

    VENTILATE FAN

    EXHAUST FAN

    LF-SW

    QCNW-H899WJQZ

    QCNW-H894WJQZ

    THERMISTER

    QCNW-H898WJQZ

    QCNW-H899WJQZ

    TO BI-METAL

    INDEX

    LF-SW

    RSP-ZA386WJZZ

    RSP-ZA386WJZZ

    QCNW-H900WJPZ

    QCNW-H901WJPZ

    QCNW-H893WJPZ

    QCNW-H902WJPZ

    QCNW-H903WJQZ

    AC-INLET

    DUNTKE936WEF0

    DUNTKE934WEF0

    DUNTKE933WEF0

    DUNTKE931WEF0

    DUNTKE937WEF0

    DUNTKE932WEF0

    DUNTKE935WEF0

    RDMDPA039WJZZ

    COLOR WHEEL

    DMDDMD UNIT

    PHOTO SENSOR UNIT

    MAIN UNIT

    R/C UNIT

    BALLAST CONTROL UNIT

    POWER UNIT

    BALLAST UNIT

    TERMINAL UNIT

    DUNTKF046WEF07 2

  • PG-D3750WPGD3750W Service Manual CHAPTER 8. PRINTED WIRING BOARD

    [1] MAIN Unit

    1 23 1097654 8

    J

    A

    B

    C

    D

    E

    F

    G

    H

    I

    1311 191816151412 17

    MAIN Unit (Side-A)8 1

  • PG-D3750W

    1 2 3 1097654 8

    J

    A

    B

    C

    D

    E

    F

    G

    H

    I

    1311 191816151412 17

    MAIN Unit (Chip Parts Side-A)

    D3804

    Q1308

    C3828

    R3224

    C3634

    C3829

    Q1309

    R3801

    D3805

    R3225

    R8045

    D3806

    R3802

    R3803

    R3804

    D3808

    C1310

    R8048

    C3250

    D3809

    R3805

    C1311

    L3301

    R3035

    C3251

    C1312

    R3806

    L3302

    C3252

    C1313

    R3807

    C3253

    Q1310

    C1314

    C3830

    Q1311

    C1315

    R3809

    C3831

    C1316

    IC3802

    C3832

    C1317

    C3833

    IC3803

    C4003

    IC3804

    D3810

    C1318

    C3834

    R8050

    IC3805

    D3811

    C1319

    C3835

    Q4001

    C1701

    C4005

    R3231

    R8051

    D3812

    C3836

    IC3806

    Q4002

    C4006

    R3232

    D3813

    C3837

    IC3807

    C1703

    C4007R3233

    R8053

    D3814

    C3838

    IC3808 R3810

    Q4004

    C1704

    R3234

    R8054

    C4008

    R3040

    R3811

    L3501

    C3839

    IC3809

    Q1701

    Q4005

    R3235

    X3351

    R8055

    C4009

    R3041

    Q4006

    R3236

    R3042

    C1706

    C1707

    R3813

    R3237

    R8057

    C1708

    C1320

    R3814

    R3238

    R3044

    C1321

    R3815

    L3311

    R3239

    C1709

    C1322

    R3816

    R3622

    L3312

    C1323

    R3818

    C1324

    C3840

    C4010

    R3625

    C1325

    C3841

    C4011

    R3626

    C1326

    R3627

    C3843

    C1327

    D1303

    C4013

    R3628

    C1328

    D1304

    C3844

    R3240

    C4014

    R8060

    C1710

    R1301

    C3845

    D1305

    R3629

    R3241

    Q4011

    C4015

    R8061

    C1711

    D1306

    R1302

    D3052

    C4016

    Q4012

    R8062

    C1712

    C3847

    R1303

    C1713

    D3053

    C4017

    R8063

    R3820

    C3848

    R1304

    R3244

    D3054

    Q4014

    R3050

    R8064

    R1305

    C1715

    R3821

    C3849

    R3245

    D3055

    Q4015

    R8065

    R3822

    R1306

    R1307

    R3823

    R1308

    R3824

    R3630

    C1330

    C1718

    R1309

    R3631

    C1331

    R3825

    IC1301

    L3321

    R8069

    R3826

    C1332

    R3632

    L3322

    R3633

    C1333

    R3827

    R3634

    C3850

    R3828

    C4020

    R3058

    R3829

    R3635

    R3636

    C1336

    C4022

    C1337

    C4023

    R3637

    R1310

    C1338

    R1311

    C1339

    D4001

    FB3351

    R8071

    C4025

    R1312

    D4002

    C1722

    C4026

    R1313

    C1723

    C4027

    C1724

    R1314

    R3830

    FB3354

    C4028

    R3060

    R1315

    C4029

    R3831

    D1701

    FB3355

    R3061

    C1726

    R3832

    R1316

    R3062

    C1727

    R1317

    R3257

    R4003

    D1703

    R3063

    R1318C1340

    C1728

    R3834

    Q1724

    R4004

    R3064

    C1729

    R1319 C1341

    R3835

    R1701

    R3259

    R3065

    C1342

    R3836

    R1702

    D1706

    R3642

    R3066

    R4007

    R3837

    C1343

    R3067

    R3643

    C4030

    R3838

    D1708

    C1344

    R1704

    R3068

    C1345

    R3839

    R4009C4031

    R1706

    C4032

    IC4003

    R3647

    R1320

    R3260

    R3648

    R1321

    R1709

    C1731

    R3261

    R1322

    R3262

    R1323

    R3263

    IC4007

    C4037

    C1733

    R1324

    R3840

    R3070

    IC4008

    R1325

    R3841

    D1711

    P2501

    C1735

    IC1706

    R3842

    R1326

    R3072

    D1712

    R1327

    R3843

    C1737

    R3267

    R3844

    R1328

    IC1708

    R1710

    R3268 R3074

    R4014

    R3845

    R1329

    C1739

    R3269

    R4015

    R3846

    R3076

    R4016

    R3847

    R4017

    IC4010

    R3848

    R3078

    R4018

    R1714

    R3849

    IC4011

    R1715

    FB3562

    IC4012

    IC4013

    R1330

    C1740

    R3270

    FB3565

    R1331

    C1741

    R3271

    R1332

    FB3566

    R3272

    R1333

    R1334

    C1744

    R3080

    R4020

    R4021

    R1335

    R3081

    R1336

    C1746

    R3082

    R4022

    R1337

    C1747

    R4023

    R1338

    R3084

    R1339

    R3085

    R4025

    R3856R3857

    R4027

    R3858

    R4028

    R3859

    R1340

    R1728

    C1750

    R1341

    R1342

    C1752

    R1343

    R1344

    R4030

    R3090

    R1345

    R4031

    R1346

    R3092R3863

    R1347

    R4033

    R3093

    R1348

    R3864

    R4034

    R3094

    R4035

    R1349

    R3865

    C1759

    R3095

    R3866

    R3096

    R3867

    R4037

    R3097

    R3868

    R3098

    R3869

    R3099

    R1350

    C1760

    R1739

    R1351

    C1761

    C1762

    C1763

    R3870

    C1764

    C1765

    R3872

    C1766

    R3873

    FB2203

    C1767

    R3874

    R1740

    C1768

    R3875

    R1741

    C1769

    R3876

    R1742

    R3877

    R3878

    R4048

    R4049

    R3879

    R1746

    R1748

    C1770

    C1771

    R3880

    R3881

    R3882

    R3883

    R3884

    R3885

    R3886

    R4056

    R1752

    R3887

    R1753

    R3888

    R3889

    R1756

    C1782

    R3890

    R4060

    R3891

    C2531

    D1761

    R4061R4062R4063

    R1760

    R1761

    R4066

    R1762

    R1763

    R1764

    R1765

    R1766

    J8201

    IC1761R1769

    IC1762

    IC1763

    R4070

    IC1764

    X8201

    C1795 C1796

    R4073

    C1798

    R4074

    R4075

    R1772

    R4077

    C3101

    C3102

    R1777

    C3103

    R1778

    SC2801

    R4080

    R2528R2529

    R4084

    C3301

    FB8005

    D2531

    C3302

    D2532

    C3303

    C3304

    R4088

    R2531

    Q3301

    R4089

    R2532

    C3306

    C3307

    R2533

    C3308

    R2534

    L2801

    C3309

    R2535

    L2802

    FB8202

    R2536

    L2803

    Q3307

    L2804

    Q3308

    R4090

    R4091

    C2561

    IC2531

    C2562

    C3502

    C2563

    C3503

    R4093

    C2564

    C3504

    C3310

    R4094

    C2565

    FB3001

    C3311

    R4095C3506

    C3312

    R4096

    C2567

    Q3503

    C3313

    Q3504

    C2568

    C3314

    C3509

    Q3311

    C3315

    C3316

    C3317

    FB3007

    FB3008

    R1799

    D3101

    Q3509

    FB3009

    D3103

    R3100

    C3510

    C3511

    FB2261

    R3101

    C3512

    R3102 R3103

    C3513

    C3514

    FB3010

    Q3511

    C3515

    C3321

    R3105

    Q3512

    C3322

    R3106

    C3323

    R3107

    C3324

    R3108

    D3301

    Q3321

    R3109

    Q3516

    C3326

    Q3517

    Q3518

    Q3519

    R3301

    SC3001

    R3302

    Q3326

    R3303

    C3520

    R3304

    R3110

    C3521

    R3305

    R3111

    C3522

    R3112

    R3307

    R3113

    C3523

    Q3520

    R3308

    R3114

    C3524

    C3525

    R3309

    Q3521

    R3115

    C3526

    R3116

    C3527

    R3117

    C3528

    Q3524

    R3118

    C3529

    D3311

    R3119

    R3502

    R3310

    R3311

    R3312

    R2567

    R3507

    R3313

    R2568C3530

    R3314

    R3509

    C3531

    R3315

    C3532

    IC3502

    R3316

    C3533

    IC3503

    R3317

    C3534

    R3318

    FB3801

    C3535

    IC3505

    D3511

    C3536

    FB3802

    D3512

    C3537

    C3538

    FB3804

    R3510

    FB3805

    C3539

    D3321

    C3151

    IC3509

    FB3806

    C3152

    FB3807

    C3153C3154

    R3321

    C3155

    R3516

    R3322

    R3517

    R3323

    C3540

    R3518

    R3324

    C3541

    R3519

    TH3501

    R3325

    C3542

    R3326

    C3543

    R3327

    C3544

    R3328

    D3521

    R3329

    C3351

    D3522

    C3352 C3353

    R3520

    C3354

    C3548

    D3331

    C3355C3356

    R3523

    C3357

    R3524

    C3358

    R3525

    C3359

    R3526

    R3527

    R3528

    R3529

    FB1301

    FB1302

    FB1303

    FB1304

    C3360

    R3339

    C3361

    C3556

    C3362

    C3363

    R3530

    FB3054

    C3558

    R3531

    FB3055

    C3559

    FB3056

    C3366

    FB3057

    C3367

    C3368

    L3801

    C3369

    L3802

    L3803

    L3804

    C3560

    L3805

    C3561

    L3806

    C3562

    C3563

    R3153

    R3154

    C3370

    C3565

    R3349

    R3155

    C3371

    FB4001

    R3156

    C3372

    FB4002

    R3157

    C3567

    C3568

    R3158

    C3569

    R3542

    IC3152

    R3543

    R3544

    R3350

    R3545

    SC3051

    R3351

    R3546

    FB1706

    R3352

    R3547

    R3353

    LUG2510C3570

    R4100

    LUG2511

    C3571

    R3355

    R3161

    R4101

    LUG2512

    C3572

    R3356

    R3162

    R4102

    C3573

    R3163

    R4104

    R3164

    C3574

    C3575

    IC3351

    R3359IC3352

    D3552

    R4108

    R1804

    C3384

    C3578

    R3551

    L1301

    FL3101

    C3579

    R1806

    R3552

    L1302

    FL3102

    R1807

    L1303

    R3553

    FL3103

    L1304

    R3360

    L1305

    R3361

    SG2801

    L1306

    R3362

    SG2802

    R3363

    SG2803

    C3580

    SG2804

    R4111

    R3365

    C3581

    SG2805

    R3366

    C3582

    SG2806SG2807SG2808

    C3586

    C3587

    C2201

    C2203

    C2204

    R3370

    C2205

    L4001

    C2206

    R3372

    R3567

    C2208

    C2209

    R4121

    R4122

    IC3563

    R4123

    C3594

    IC3564

    R4124

    R3379

    R4125R4126

    IC3566

    R4127

    R3570

    C3599

    C2211

    R3571

    C2213

    R3573

    R3574

    C2214

    R3380

    R3575

    C2215

    J2501

    C2216

    R3577

    R3383

    C2218

    R3578

    C2219

    R4132

    R4137

    C2220

    R4138

    R4139

    R3582

    C2223

    R3583

    C2224

    IC2001

    C2225

    R3391

    C2226

    R3392

    C2227

    R3393

    C2228

    R3394

    R2201C2229

    Q2801

    R2202

    Q2802

    R4142

    R2203

    Q2803

    L1723

    R2010

    R2204

    R2011

    R2205

    R2206

    Q2806

    R2207

    R2013

    L1727

    R2208

    R3590

    IC2201

    R3591

    R3592

    R2017

    R3593

    R1848

    R3594

    IC2205

    R2019

    R3595

    C2236

    C2237

    R3597

    R4150

    C2238

    R4151

    R2211

    C2239

    R4152

    R2212

    R4153

    R2213

    LUG2503

    R4154

    LUG2504

    R2021

    R4157

    R4158

    C2240

    R2024

    C2242

    C2243

    R2029

    C2245

    Q8001

    C2246

    C8007

    C2247

    C2248

    C8008

    R4161

    C2249

    R2221

    R2225

    C8201

    R2801

    R2226

    R2802

    R1862

    D2806

    R2227

    R2803

    D2807

    R1863

    C2250

    C8204

    C8010

    R1864

    D2808

    C2251

    R2805

    C8205

    R1865

    D2809

    C2252

    R2806

    C8012

    C2253

    C8207

    C8013

    R2038

    C8208

    C8014

    R2808

    IC2801

    C8209

    R2809

    R2231

    C8019

    R2232

    R2233

    R2810

    R2235

    R2811

    C8211

    R2812

    C8212

    R2043

    C8213

    R2045

    C3201

    R2046

    IC2232

    C2262

    C3202

    C2263

    C3203

    C8218

    D8