Sony Cdx-l280 Ver-1.0 Sm

40
1 Model Name Using Similar Mechanism NEW CD Drive Mechanism Type MG-393XC-121//K Optical Pick-up Name KSS-721A SERVICE MANUAL AEP Model UK Model CDX-L280 FM/AM COMPACT DISC PLAYER CD player section Signal-to-noise ratio 90 dB Frequency response 10 – 20,000 Hz Wow and flutter Below measurable limit Tuner section FM Tuning range 87.5 – 108 MHz Aerial terminal External aerial connector Intermediate frequency 10.7 MHz Usable sensitivity 11 dBf Selectivity 75 dB at 400 kHz Signal-to-noise ratio 65 dB (stereo), 68 dB (mono) Harmonic distortion at 1 kHz 0.7% (stereo), 0.5% (mono) Separation 33 dB at 1 kHz Frequency response 30 – 15,000 Hz AM Tuning range 531 – 1,602 kHz Aerial terminal External aerial connector Intermediate frequency 10.7 MHz/450 kHz Sensitivity 30 μV Power amplifier section Outputs Speaker outputs (sure seal connectors) Speaker impedance 4 – 8 ohms Maximum power output 45 W 4 (at 4 ohms) SPECIFICATIONS General Outputs Audio outputs (rear) Power amplifier control terminal Power aerial relay control terminal Tone controls Bass ±9 dB at 100 Hz Treble ±9 dB at 10 kHz Power requirements 12 V DC car battery (negative ground) Dimensions Approx. 178 50 176 mm (w/h/d) Mounting dimensions Approx. 182 53 161 mm (w/h/d) Mass Approx. 1.2 kg Supplied accessories Parts for installation and connections (1 set) Front panel case (1) Note This unit cannot be connected to a digital preamplifier or an equalizer. Design and specifications are subject to change without notice. Ver 1.0 2002. 11 9-874-228-01 2002K0400-1 © 2002. 11 Sony Corporation e Vehicle Company Published by Sony Engineering Corporation

description

Sony Cdx-l280 service manual

Transcript of Sony Cdx-l280 Ver-1.0 Sm

  • 1Model Name Using Similar Mechanism NEWCD Drive Mechanism Type MG-393XC-121//KOptical Pick-up Name KSS-721A

    SERVICE MANUAL AEP ModelUK Model

    CDX-L280

    FM/AM COMPACT DISC PLAYER

    CD player sectionSignal-to-noise ratio 90 dBFrequency response 10 20,000 HzWow and flutter Below measurable limit

    Tuner sectionFMTuning range 87.5 108 MHzAerial terminal External aerial connectorIntermediate frequency 10.7 MHzUsable sensitivity 11 dBfSelectivity 75 dB at 400 kHzSignal-to-noise ratio 65 dB (stereo),

    68 dB (mono)Harmonic distortion at 1 kHz

    0.7% (stereo),0.5% (mono)

    Separation 33 dB at 1 kHzFrequency response 30 15,000 Hz

    AMTuning range 531 1,602 kHzAerial terminal External aerial connectorIntermediate frequency 10.7 MHz/450 kHzSensitivity 30 V

    Power amplifier sectionOutputs Speaker outputs

    (sure seal connectors)Speaker impedance 4 8 ohmsMaximum power output 45 W 4 (at 4 ohms)

    SPECIFICATIONS

    GeneralOutputs Audio outputs (rear)

    Power amplifier control terminalPower aerial relay control terminal

    Tone controls Bass 9 dB at 100 HzTreble 9 dB at 10 kHz

    Power requirements 12 V DC car battery(negative ground)

    Dimensions Approx. 178 50 176 mm(w/h/d)

    Mounting dimensions Approx. 182 53 161 mm(w/h/d)

    Mass Approx. 1.2 kgSupplied accessories Parts for installation and

    connections (1 set)Front panel case (1)

    NoteThis unit cannot be connected to a digitalpreamplifier or an equalizer.

    Design and specifications are subject to change withoutnotice.

    Ver 1.0 2002. 11

    9-874-228-012002K0400-1 2002. 11

    Sony Corporatione Vehicle CompanyPublished by Sony Engineering Corporation

  • 2SAFETY-RELATED COMPONENT WARNING!!

    COMPONENTS IDENTIFIED BY MARK 0 OR DOTTED LINEWITH MARK 0 ON THE SCHEMATIC DIAGRAMS AND INTHE PARTS LIST ARE CRITICAL TO SAFE OPERATION.REPLACE THESE COMPONENTS WITH SONY PARTS WHOSEPART NUMBERS APPEAR AS SHOWN IN THIS MANUAL ORIN SUPPLEMENTS PUBLISHED BY SONY.

    SERVICE NOTES

    NOTES ON HANDLING THE OPTICAL PICK-UP BLOCKOR BASE UNITThe laser diode in the optical pick-up block may suffer electrostaticbreakdown because of the potential difference generated by thecharged electrostatic load, etc. on clothing and the human body.During repair, pay attention to electrostatic breakdown and also usethe procedure in the printed matter which is included in the repairparts.The flexible board is easily damaged and should be handled withcare.

    NOTES ON LASER DIODE EMISSION CHECKThe laser beam on this model is concentrated so as to be focused onthe disc reflective surface by the objective lens in the optical pick-up block. Therefore, when checking the laser diode emission, ob-serve from more than 30 cm away from the objective lens.

    Notes on Chip Component Replacement Never reuse a disconnected chip component. Notice that the minus side of a tantalum capacitor may be dam-

    aged by heat.

    CDX-L280

    This label is located on the bottom of thechassis.

    This label is located on the drive unit's internalchassis.

    When replacing the chassis (T) of mechanism deck which havethe CAUTION LABEL attached, please be sure to put a newCAUTION LABEL (3-223-913-11) to the chassis (T).

    CAUTIONINVISIBLE LASER RADIATION WHEN OPENDO NOT STARE INTO BEAM OR

    VIEW DIRECTLY WITH OPTICAL INSTRUMENTS

  • 3CDX-L280

    MAIN BOARD CNP701

    SERVO BOARD CN1

    TEST DISCSThis set can playback CD-R and CD-ROM discs. The followingtest discs should be used to check the capability:

    CD-R test disc TCD-R082LMT (Part No. J-2502-063-1)CD-RW test disc TCD-W082L (Part No. J-2502-063-2)

    Notes on CD-R/CD-RW discs You can play CD-Rs (recordable CDs)/CD-RWs (rewritable CDs)

    designed for audio use on this unit.Look for these marks to distinguish CD-Rs/CD-RWs for audiouse.

    These marks denote that a disc is not for audio use.

    Some CD-Rs/CD-RWs (depending on the equipment used forits recording or the condition of the disc) may not play on thisunit.

    You cannot play a CD-R/CD-RW that is not finalized*.

    * A process necessary for a recorded CD-R/CD-RW disc to beplayed on the audio CD player.

    EXTENSION CABLE AND SERVICE POSITIONWhen repairing or servicing this set, connect the jig (extension cable)as shown below.

    Connect the MAIN board (CNP701) and the SERVO board(CN1) with the extension cable (Part No. J-2502-062-1).

  • 4TABLE OF CONTENTS

    1. GENERALLocation of controls ................................................................. 5Connections ............................................................................. 6

    2. DISASSEMBLY2-1. Sub Panel Assy .................................................................... 72-2. CD Mechanism Block ......................................................... 82-3. Main Board ......................................................................... 82-4. Heat Sink ............................................................................. 92-5. Chassis (T) Sub Assy .......................................................... 92-6. Lever Section ..................................................................... 102-7. Servo Board ....................................................................... 102-8. Shaft Roller Assy .............................................................. 112-9. Floating Block Assy .......................................................... 112-10. Optical Pick-up Block ....................................................... 12

    3. DIAGRAMS3-1. IC Pin Description ............................................................. 133-2. Block Diagram CD Section ........................................... 153-3. Block Diagram Tuner Section ....................................... 163-4. Block Diagram Display Section .................................... 173-5. Circuit Boards Location .................................................... 173-6. Printed Wiring Boards CD Mechanism Section ............ 183-7. Schematic Diagram CD Mechanism Section ................ 203-8. Printed Wiring Board Main Section .............................. 213-9. Schematic Diagram Main Section (1/2) ........................ 223-10. Schematic Diagram Main Section (2/2) ........................ 233-11. Printed Wiring Board Display Section .......................... 243-12. Schematic Diagram Display Section ............................. 25

    4. EXPLODED VIEWS4-1. Chassis Section ................................................................. 284-2. Front Panel Section ........................................................... 294-3. CD Mechanism Section (1) ............................................... 304-4. CD Mechanism Section (2) ............................................... 314-5. CD Mechanism Section (3) ............................................... 32

    5. ELECTRICAL PARTS LIST ........................................ 33

    CDX-L280

  • 5 5

    CDX-L280SECTION 1GENERAL This section is extracted

    from instruction manual.

  • 66

    CDX-L280

    floNot autoadeziv

  • 7CDX-L280SECTION 2

    DISASSEMBLYNote : This set can be disassemble according to the following sequence.

    Note : Follow the disassembly procedure in the numerical order given.

    2-1. SUB PANEL ASSY

    2-1. SUB PANEL ASSY(Page 7)

    2-5. CHASSIS (T) SUB ASSY(Page 9)

    2-6. LEVER SECTION(Page 10)

    SET

    2-7. SERVO BOARD(Page 10)

    2-2. CD MECHANISM BLOCK(Page 8)

    2-3. MAIN BOARD(Page 8)

    2-4. HEAT SINK(Page 9)

    2-8. SHAFT ROLLER ASSY (Page 11)

    2-9. FLOATING BLOCK ASSY(Page 11)

    2-10. OPTICAL PICK-UP BLOCK(Page 12)

    1 PTT 2.6x6

    2 PTT 2.6x6

    3 claw

    5 sub panel assy

    4 claws

    three claws

  • 8CDX-L280

    3 screw (+BTT)

    4 screws (+BTT)

    1 PTT 2.6x8

    5 MAIN board

    2 PTT 2.6x8

    1 PTT 2.6x6

    6 PTT 2.6x6

    7 bracket (CD)

    2 PTT 2.6x6

    5 CD mechanism block

    4 CNP701

    3

    2-3. MAIN BOARD

    2-2. CD MECHANISM BLOCK

  • 9CDX-L280

    4 chassis (T) sub assy

    3 P 2x32 P 2x3

    1 Unsolder the lead wires.

    black

    red

    white

    6 heat sink

    1 PTT 2.6x8

    2 PTT 2.6x8

    4 PTT 2.6x8

    3 PTT 2.6x12

    5 PTT 2.6x8

    2-5. CHASSIS (T) SUB ASSY

    2-4. HEAT SINK

  • 10

    CDX-L280

    4 claws

    2 IN SELF SW board

    7 lever (L)

    3 tension spring (LR)

    6 lever (R)

    5 guide (disc)

    1 special screw

    2-6. LEVER SECTION

    2-7. SERVO BOARD

    6 special screws

    1 CN3

    2 Removal the solders.

    4 P 2x3

    5 loading motor assy

    8 SERVO board

    7 special screw

    9 connector

    optical pick-up block

    3 Unsolder the lead wires.

    black

    yellow

  • 11

    CDX-L280

    1 tension spring (KF1)

    7 compression spring (FL)

    6 floating block assy

    8 compression spring (FL)

    4 Fit lever (D) in the direction of the arrow.

    2 damper (T)3 damper (T)

    5 Turn loading ring in the direction of the arrow.

    Fig. 1

    1 tension spring (RA)

    2 arm (roller)

    3 retaing ring (RA)4 shaft retainer (roller)

    5 shaft roller assy6 special screw

    7 LOAD-SW board

    retaing ring (RA)

    armarm

    washer washer shaft retainer (roller)

    shaft retainer (roller)

    2-9. FLOATING BLOCK ASSY

    2-8. SHAFT ROLLER ASSY When installing, take note of the positions arm (roller) and washers. (Fig. 1)

  • 12

    CDX-L280

    2-10. OPTICAL PICK-UP BLOCK

    1 P 2x3 4 screw

    5 plate spring (feed)

    6 shaft (feed) assy

    2 sled motor assy

    3 optical pick-up block

  • 13

    CDX-L280

    3-1. IC PIN DESCRIPTION IC801 PD780024AGK-C08-9ET (SYSTEM CONTROLLER)

    Pin No. Pin Name I/O Pin Description1 D SW I Down switch detection input2 IN SW I Disc in switch detection input3 PH3 I PH3 detection input (Not used in this set)4 LM LD O Loading motor drive output (Loading)5 LM EJ O Loading motor drive output (Eject)6 A ATT O Power amplifier mute control output7 ATT O Line out mute control output8 BEEP O BEEP output9 VSSO Ground10 VDDO Power supply pin (+5 V)11 VOL CLK O Electric volume clock output12 VOL DO O Electric volume data out output13 VOL CE O Electric volume chip enable output14 AM ON O Tuner AM power supply control output15 FM ON O Tuner FM power supply control output16 NOSE I Front panel attachment detection input17 PLL DI I PLL IC data input18 LCD DO O LCD data output19 LCD CE O LCD chip enable output20 LCD CLK O LCD clock output21 PLL CLK O PLL IC clock output22 PLL DO O PLL IC data output23 PLL CE O PLL IC chip enable output24 VDD1 Power supply pin (+5 V)25 AVSS Ground26 ST IND I FM STEREO detection input27 FUN SEL I Function select input28 S METER I S meter signal input

    29, 30 KEY0, 1 I A/D key input 0, 131 TEL ATT I Attenuator signal input (Connect to ground in this set)32 DST SEL I Destination select input (Fixed at L in this set)33 TEST I Force test mode input34 AVREF A/D converter power supply pin (+5 V)35 AVDD A/D converter power supply pin (+5 V)36 RESET I Reset input37 XT2 O Sub clock output (32.768 kHz)38 XT1 I Sub clock input (32.768 kHz)39 IC Connect to Ground in this set.40 X2 O Master clock output (8.38 MHz)41 X1 I Master clock input (8.38 MHz)42 VSS1 Ground43 KEY ACK I Key acknowledge detection input44 SIRCS I SIRCS input45 SELF SW I Self switch detection input46 BU IN I Backup power supply detection input47 AD ON O Key power supply control output48 ILL ON O Illumination power supply control output49 AMP ON O Amplifier remote power supply control output50 CDM ON O CD mechanism deck power supply control output51 XCD ON O CD DSP IC 16 MHz Xtal ON/OFF control output52 TU ON O Tuner power supply control output

    SECTION 3DIAGRAMS

  • 14

    CDX-L280

    Pin No. Pin Name I/O Pin Description53 P.ON O System power supply control output54 X SO O CD DSP IC serial data output55 X SI I CD DSP IC serial data input56 X SCK O CD DSP IC serial clock output57 RFOK I CD servo IC RFOK signal input58 X RST O CD DSP IC reset control output59 ACC IN I Accessory power supply detection input60 AO O CD servo IC command/pallameter discrimination signal output61 STB O CD servo IC data strobe signal output62 XEN O CD DSP IC Xtal control output63 L SW I Limit switch detection input64 PH1 I PH1 detection input (Not used in this set)

  • 15 15

    CDX-L280

    82

    83

    84

    85

    1612

    D/ACONV

    TRACKINGERROR

    FORCUSERROR

    9

    1

    OSC

    EFMDEMOD

    SERVOCTL

    RFEQ

    5256

    5455

    DSUB CODEPROCESS

    8

    7

    6

    5

    4

    3

    2

    62

    1

    45

    2

    63

    50

    51

    54

    55

    56

    61

    60

    58

    57

    I/F

    87

    86

    97

    98LD

    DRIVEQ1

    FOCUSCOIL

    DRIVE

    TRACKINGCOIL

    DRIVE

    SLEDMOTORDRIVE

    SPINDLEMOTORDRIVE

    LOADINGMOTORDRIVE

    6

    5

    23

    2

    15

    16

    17

    18

    13

    14

    11

    12

    9

    10

    26

    62 63 64 65

    5

    4

    36

    POWERCONTROLQ905,906

    POWERCONTROL

    Q921

    REGQ907,D908

    REGQ910,D910

    M902(SLED)

    M901(SPINDLE)

    M903(LOADING)

    SW3(DISC IN)

    SW2(SELF)

    SW4(LIMIT)

    SW5(DOWN)

    X116.9344MHz

    OPTICAL PICK-UPKSS-721A

    I-VCONV.

    CDL

    STB

    A0

    X_SO

    X_SI

    X_SCK

    X_RST

    RFOK

    XEN

    D_SW

    IN_SW

    SELF_SW

    L_SW

    LM _LO

    LM_ EJ

    CDM ON

    XCD_ON

    R-CH

    MAINSECTION

    A

    23 24

    M

    M

    M

    1 RESET

    S901RESET

    2

    IC902

    U_COM+5V

    BATT

    D909

    LOUTROUT

    PACKTSTB

    TSITSCK

    SI

    RFOK

    SO

    SCK

    STB

    AO

    XTALEN

    RST

    RESET

    A

    C

    B

    D

    E

    F

    PD

    LD

    A

    C

    B

    D

    E

    F

    PD

    LD

    APC

    FCS-

    FCS+

    TRK+

    TRK-

    SL-

    SL+

    SP+

    SP-

    LD-

    LD+

    FOCUSCOIL

    TRACKINGCOIL

    FD

    TD

    SD

    MD

    LOAD

    EJECT

    SYSTEM CONTROLIC801(1/3)

    RF AMP,DIGITAL SERVODIGITAL SIGNAL PROCESSOR

    IC1

    FOCUS/TRACKING COIL DRIVESLED/SPINDLE/LOADING MOTOR DRIVE

    IC2

    FD TD SD MD

    Signal path

    :CDA_5V

    AU_5V

    D_5V

    DR_6V

    3-2. BLOCK DIAGRAM CD SECTION

    (Page 16)

  • 1616

    CDX-L280

    CNJ601(ANTENNA) 2 16

    1

    FM_ANT L-CH17R-CH

    CDL

    24DET_OUT

    11FM/AM_OSC

    14AM_VT6FM_VT

    20IF_CONT19OSC-IN

    21

    12

    9

    S_METER

    TU+B

    22SD/ST_IND

    FM_VCC

    AM_VCC

    PLL VCC

    AM_ANT

    TUNER UNITTU601

    111213

    21

    36

    1721

    18

    14

    5

    SYSTEM CONTROLIC801 (2/3)

    PLLIC601

    ELECTRONIC VOLUMEIC401

    LF OUT

    4

    3334

    LR OUT

    RF OUTR-CH

    RR OUT

    8BEEPATT

    53

    7

    P.ON6A_ATT31TEL ATT

    59ACC IN

    L5

    L1

    L2R2

    CEDICL

    VOL_CLKVOL_DOVOL_CE

    172221

    PLL_DIPLL_DOPLL_CLK

    23 PLL_CE

    LCL

    DST_SEL

    S_METER

    FM POWERCONTROLQ605,606

    SD_IND

    AUDIO OUT REAR

    CDSECTION

    A

    MUTECONT

    Q401,402

    Q102MUTE

    R-CH

    DELAY BATT

    BATT

    Q909

    BATT

    D402

    Q101MUTE

    22 MUTE4 STBY

    16 AUX-IN

    11

    1253

    97

    POWER AMPIC101

    19

    210

    CNP501

    R-CH

    PJ401

    FL+FL-

    RL+RL-

    412

    FR+FR-

    311

    RR+RR-

    16 +B (BATT)

    5 AMP REM

    6

    8

    19

    ANT REM

    GND

    R-CH

    F90110A

    7 ACC

    15 TEST33TEST

    AMP_ON

    ACCCHECKQ902

    32

    2628

    17

    18

    L

    R

    Signal path

    :FM

    :AM

    :CD

    ANT REMOTECONTROLQ911,917

    BACK-UP CHECKQ903,904,D906,907

    TUNER+8V REGQ912,913,D913

    COM+8V REGQ918,919,929,D923

    U_COM+5 V REGQ920,D930,D999U_COM+5V

    COM+8V

    TU+B

    R-CH

    8

    FM_VCO15AM_VCO16

    FM_CP18VT19AM_CP20

    OSC2SEEK XO

    XI

    10IFC13MONO11 24

    1

    CE 3CK 5

    D_IN 4D_OUT 6

    X60110.25MHz

    4

    3AM_DX/LCL

    FM_DX/LCL

    52TU_ON

    46BU_IN

    15FM_ON

    14AM_ON

    49

    AM POWERCONTROLQ603,604

    R-ch is omitted due to same as L-ch.

    3-3. BLOCK DIAGRAM TUNER SECTION

    (Page 15)

  • 17 17

    CDX-L280

    3-4. BLOCK DIAGRAM DISPLAY SECTION 3-5. CIRCUIT BOARDS LOCATION

    KEY MATRIXS501-511,S512-521

    KEYACTIVEQ916

    IRRECEIVER

    IC552

    X80232.768kHz

    37

    38

    40

    41

    2918201930

    43

    47

    44

    SYSTEM CONTROLIC801 (3/3)

    LCD DRIVEIC551

    KEY 0DATACLKCE

    LCD DOLCD CLK

    LCD CE

    ILL POWERCONTROLLER

    Q914

    INITIALRESETD552

    SWITCHQ915

    ILL + B

    KEY 1KEY 1

    KEY 0

    KEY ACK

    AD ON

    SIRCS

    XT2

    XT1

    X2

    48ILL ON

    BATT

    X1

    X8018.38MHz PL551,552

    D561-581

    LCD BACKLIGHT

    626160

    COM1

    COM2

    LCDLCD501

    D914

    ( )

    KEYILLUMINATION( )

    64

    63

    1|

    23

    25|

    53

    SEG1

    SEG52|

    DATACLKCE

    ILL+B

    57

    INH

    MAIN board

    tuner unit (TU601)

    DISPLAY board

    SPEAKER board

    IN SELF SW board

    SW board

    LOAD-SW board

    SL SW board

    Waveforms Servo Board (MODE: CD PLAY)1

    2

    3

    IC1 ts (PACK)

    IC1 uj (RFO)

    1.2Vp-p

    4

    Approx. 1Vp-pIC1 oa (FEO)

    0V

    5

    Approx. 400mVp-pIC1 od (TEO)

    4.4Vp-p

    16.9344MHzIC1 wd (XTAL)

    3Vp-p

    0V

    22.7sec

    Main Board 1

    2

    32.768kHzIC801 ej (XT2)

    3.8Vp-p

    5Vp-p

    8.38MHzIC801 r; (X2)

  • 1818

    CDX-L280

    3-6. PRINTED WIRING BOARDS CD MECHANISM SECTION Refer to page 17 for Circuit Boards Location.1

    A

    B

    C

    D

    E

    F

    G

    H

    I

    J

    234567891011

    CN2

    THIS NOTE IS COMMON FOR PRINTED WIRINGBOARDS AND SCHEMATIC DIAGRAMS.(In addition to this, the necessary note isprinted in each block.)for schematic diagram: All capacitors are in F unless otherwise noted. pF: F

    50 WV or less are not indicated except for electrolyticsand tantalums.

    All resistors are in and 1/4

    W or less unless otherwisespecified.

    % : indicates tolerance. f : internal component. C : panel designation.

    A : B+ Line. Power voltage is dc 14.4V and fed with regulated dc power

    supply from ACC and BATT cords. Voltages are taken with a VOM (Input impedance 10 M).

    Voltage variations may be noted due to normal produc-tion tolerances.

    Waveforms are taken with a oscilloscope.Voltage variations may be noted due to normal produc-tion tolerances.

    Circled numbers refer to waveforms. Signal path.F : FMf : AMJ : CD

    for printed wiring boards: X : parts extracted from the component side. Y : parts extracted from the conductor side. x : parts mounted on the conductor side. a : Through hole. : Pattern from the side which enables seeing.

    (The other layers patterns are not indicated.)Caution:Pattern face side: Parts on the pattern face side seen from the(Side B) pattern face are indicated.Parts face side: Parts on the parts face side seen from the(Side A) parts face are indicated.

    Note: The components identified by mark 0 or dotted linewith mark 0 are critical for safety.Replace only with part number specified.

  • 19 19

    CDX-L280

    1

    A

    B

    C

    D

    E

    F

    G

    H

    I

    J

    2 3 4 5 6 7 8 9 10 11 12 13 14

    SW3

    SW2

    SW4

    SW5

    TP8

    C45

    C4

    C26

    C37

    TP6

    TP1

    TP2

    TP4

    TP5

    TP87

    TP86

    TP57

    TP77

    TP11

    TP79

    TP83

    TP70

    TP9

    TP27

    TP12

    TP78

    TP10

    TP81

    TP84

    TP54

    TP25TP24

    TP37

    TP39

    TP36

    TP38

    TP40

    TP45

    TP22

    TP88

    TP41

    TP46

    TP21

    TP17

    TP20

    TP42

    TP19

    TP28

    TP90

    C41

    TP29

    C44

    TP73TP32

    TP48

    TP71

    TP51

    TP49

    TP52

    TP55

    TP75

    TP53

    M903

    TP56

    TP43

    TP58

    TP61

    TP74

    TP68

    TP80

    TP7TP62

    TP91

    TP63

    C40

    TP66

    TP64

    TP69

    TP72

    TP50

    TP26

    TP3

    TP59

    TP76

    TP18

    TP89

    TP30

    R8R9

    R5

    R7

    R12

    R14

    R15R

    10

    R17

    R18

    R19

    R20

    R22

    FB1

    TP92C3

    C5

    C6

    C8

    C9 C10

    C11

    C13

    C14

    C16

    C18

    C19

    C24C25

    C29

    C34

    C36

    C38

    C35

    C21

    C22

    C30C2

    3

    C1

    C27

    R21

    TP47

    C15

    C20

    TP35

    TP23

    C17

    TP82

    TP44

    Q1

    R26

    TP34R

    3

    TP16

    TP85

    IC1

    IC2

    C43

    R30

    R29

    X1

    TP60

    CN3

    CN1

    M901

    M902

    CN13

    (Page 21)

  • 2020

    CDX-L280

    IC B/D

    IC B/D

    TP77TP78

    R29R30

    C43

    TP79TP80

    TP81TP82TP83TP84

    CN2

    CN3

    TP85

    M902

    M901

    SW2 TP4TP2

    TP3

    M903

    TP87

    TP86

    TP9 TP8

    R3 R26

    C4

    TP10

    C13

    R5

    C11

    C10

    C8

    TP7

    TP92

    TP17TP20TP16TP19

    TP21TP18

    R7

    TP6

    C17

    FB1

    TP11

    TP12 C9

    C14

    TP89

    C19

    C20 C23

    R9

    R8

    TP22

    TP23

    TP24

    TP25

    TP88

    C26

    TP32

    R14

    R15

    TP30

    R12

    R10

    TP91 C37

    TP90

    TP29

    TP28TP26

    TP27

    R21

    R22

    TP34TP35

    TP36

    TP46

    TP37TP38TP39TP40

    TP41TP42TP43TP44TP45

    CN1

    R18

    R19

    R20

    R17

    TP66

    TP62TP47TP63TP48

    TP49TP64TP50

    TP51

    TP52TP68TP53TP69TP54TP70TP55TP71TP56TP72TP57TP73TP58TP74TP59TP75TP60TP76TP61

    X1

    SW3

    SW4

    CN13

    Q1

    C18

    IC2

    IC1

    TP1TP5

    C44

    C40

    C1 C5 C3 C6

    C15

    C16

    C41

    C27

    C45

    C34

    C29

    C25

    C36

    C38

    C35

    C24

    C30

    C22

    C21

    SW5

    Refer to page 17 for Waveforms.3-7. SCHEMATIC DIAGRAM CD MECHANISM SECTION Refer to page 26 for IC Block Diagrams.

    (Page 23)

    Note: Voltage and waveforms are dc with respect to ground

    under no-signal (detuned) conditions.no mark : CD PLAY

  • 21 21

    CDX-L280

    1

    A

    B

    C

    D

    E

    F

    G

    H

    I

    J

    2 3 4 5 6 7 8 9 10 11 12 13 14 15

    Q91

    1

    R61

    6

    JR611

    C809

    R933

    R107

    C218

    C613

    C624

    C113

    R840

    C622

    C612

    C619

    Q91

    9

    C604

    R608

    R61

    0

    C615

    C611

    C609

    R21

    0

    C841

    C119

    C633

    R607

    C627

    R605

    Q60

    4

    C426

    R606D667

    C116C603

    R80

    7

    R115

    R908

    C846

    C617

    C614

    C117

    Q10

    1

    C208

    R628

    Q90

    3

    Q90

    5

    C108

    Q904

    C650

    R613

    C902

    R708

    C110

    C626

    Q91

    2

    C101

    C216

    C806

    R709

    C215

    Q10

    2

    R213

    C217

    C201

    R814

    Q90

    2

    C909

    C210

    C623

    IC902Q

    920

    R81

    5

    CP601

    C907

    R818

    C707

    C810

    JR901

    C213

    L603

    R907

    R801

    R407

    Q202

    Q20

    1R113

    R108

    R109

    R20

    8

    Q40

    2

    Q921

    C651

    R622

    Q60

    6

    R11

    0

    IC401

    R920

    Q91

    8Q

    916

    Q917

    R817

    R704

    C916

    R61

    5

    Q40

    1

    R61

    9

    C211

    C102

    R910

    C803

    R408

    C608

    Q91

    0

    Q909

    R61

    8

    R716

    R60

    4

    R706

    JR1J

    R61

    3

    C618 Q92

    9

    R612

    R92

    3

    C844

    C905

    R80

    9

    C202

    R80

    2

    R215

    JR61

    5

    JR620

    R609

    C848R

    921

    D920

    R207

    C625

    JR929

    IC601

    C802

    C111

    R821

    Q90

    6

    R813

    R714

    R620

    C804

    R90

    9

    R61

    1

    C118

    R911

    R705

    R617

    R80

    8

    R922

    C115

    C706

    R602

    Q91

    4

    Q91

    5

    R444

    R410

    R824

    R71

    0

    R711

    D921

    R841

    R842

    C842

    C843

    C845

    C847

    IC801

    JR903

    R918

    R901

    JR101

    C652

    C205

    C105

    C666

    C849

    R614

    JR61

    0

    R843

    L605

    R209

    JW34

    R934

    JW29

    CNJ601JW

    2

    Q60

    3

    C620

    Q91

    3

    X801

    D90

    1

    C214

    CNP701

    R906

    C914

    C915

    L901

    JW1

    JW63

    JW43

    L702

    TH901

    JW60

    JW57

    D91

    8

    JW79

    L604

    C610

    JW50

    JW75

    JW602

    R919JW

    76

    R92

    6

    R92

    5

    JW54

    R930

    R601

    JW58

    Q907JW37

    R912

    JW27

    Q60

    5

    R92

    9

    R92

    8

    JW11

    JW84

    JW55

    JW38

    C114

    JW93

    C203

    C103

    D913

    C904

    D903

    R92

    7

    JW31

    D90

    6

    C219JW

    5

    D923JW24

    R913

    JW15

    JW20

    R40

    1

    JW14

    CNP501

    F901

    JW44

    C432

    JW45

    D90

    8

    JW35

    JW36

    JW48

    L601

    IC101

    D401

    JW49

    C204

    C104

    R81

    0JW

    39

    R206

    R917

    JW16 JW67

    C605

    CNP801

    D91

    6

    R81

    1

    JW41

    JW83

    JW95

    D904

    D915

    C435

    R806

    JW22

    JW56

    D402

    R931

    JW82

    12

    (12)

    12

    (12)

    JW66C8

    01

    D914

    R106C6

    21

    R205

    C407

    X601

    C401

    D919

    R603

    C606

    D917

    X802

    JW69

    JW19

    D90

    7

    D60

    4

    D999

    R105

    JW47

    JW59

    JW13

    D922

    JW40

    D930

    JW62L703

    C704

    L701

    C701

    C702

    C703

    JW28

    TU601

    JW74

    R81

    2 JW

    73

    JW65

    D44

    4D909

    D910 JW61

    JW30

    R404

    JW46

    R92

    4

    JW23

    C919

    JW42

    JW97

    JW126R932

    JW25

    JW18 JW98

    JW26

    JW71

    JW94

    JW7

    R707

    JW9

    JW10

    C901

    C631

    JW68

    JW6

    JW96

    JW12

    JW21

    JW108

    JW81

    PJ401

    L669

    JW109

    JW11

    0

    JW111

    JW86 JW90

    JW89

    JW91

    JW85

    JW87

    JW88 JW92

    (Page 19)

    3-8. PRINTED WIRING BOARD MAIN SECTION Refer to page 17 for Circuit Boards Location.

    (Page 24)

    D401 D-5D402 D-6D444 D-6D604 E-2D667 F-3D901 C-9D903 C-9D904 B-8D906 D-9D907 D-9D908 D-10D909 F-10D910 E-7D913 G-10D914 J-8D915 C-8D916 C-6D917 C-8D918 C-6D919 C-8D920 B-7

    D921 B-7D922 C-8D923 F-8D930 G-9D999 G-10

    IC101 B-6IC401 D-4IC601 F-3IC801 H-6IC902 I-9

    Q101 C-3Q102 C-3Q201 C-4Q202 C-4Q401 D-6Q402 D-6Q603 H-2Q604 H-4Q605 H-2

    Ref. No. Location Semiconductor Location

    Ref. No. Location Ref. No. LocationQ606 H-3Q902 E-9Q903 E-9Q904 E-9Q905 G-8Q906 G-9Q907 C-10Q909 E-9Q910 E-8Q911 G-8Q912 G-9Q913 F-10Q914 H-9Q915 H-10Q916 H-8Q917 E-10Q918 F-8Q919 F-8Q920 G-9Q921 F-9Q929 F-8

  • 2222

    CDX-L280

    IC B/D

    IC B/D

    C604 C605

    C608

    C627

    C652

    R605

    R601

    R603

    R602C606

    C603

    C609

    C610

    L603

    C612C613

    R607C615

    C619

    R609

    C621

    R616R617

    R618

    X601C623

    C622

    C611

    R606

    C204R210

    R208

    R110C104

    R108

    R107

    R109C103

    C105

    C205

    R105

    R206

    R106

    C432

    R612

    R613

    R619 C631

    C626

    C624L604

    C118

    C218

    C217

    C216C215

    C213C211R215

    R213C208

    C435

    C101

    C102

    C202

    C201R401

    C426

    R407

    C110R113

    C116

    C117

    C111C113

    C119

    R716 R714

    R906

    D90

    3

    D90

    4 C902

    D901

    L901

    C108

    R604

    CNJ601

    R205

    CNP501

    F901

    C633

    PJ401

    R209

    R207

    JR10

    1C407

    Q603

    C841C842

    Q605

    C625

    R610

    C618C617 R608

    C614

    D401

    C214C114

    C706

    C707

    C901

    D444

    R444

    R410

    D402

    Q101

    Q102

    Q201

    Q202

    C203

    R404

    C115

    R115

    L601

    JR620

    JW13

    C620

    R615

    R408

    D922

    D919D918

    D917D916

    D915

    D921D920

    C401

    C210

    L605

    C666

    CP601

    JR615

    C848

    R614JR613

    JR611

    D604

    R611

    L669

    TU601

    JR610

    Q401

    Q402

    IC101

    R620

    R622

    C650 C651

    R628

    Q604Q606

    IC601

    D667

    IC401

    C219

    R901

    3-9. SCHEMATIC DIAGRAM MAIN SECTION (1/2) Refer to page 26 for IC Block Diagrams.

    (Page 23) Note: Voltage is dc with respect to ground under no-signal

    (detuned) condition.no mark : FM( ) : AM< > : CD PLAY

  • 23 23

    CDX-L280

    R908

    R907C904

    TH901

    R933

    Q919

    R934

    R932

    D923C919

    R930

    D909

    R931

    Q920

    D930

    Q910

    Q913

    R912JR929R913

    C905C907D

    910

    D908

    R917

    D913

    R920

    C916

    R919

    R918

    Q915

    R928

    R925R926R927

    R929

    R924

    R911

    R910

    D906

    L703

    L702

    R921

    R806R807R808

    X802C802

    C801

    CNP701

    R802

    R815R814R813

    R812R811R810

    R824

    R922R923

    C809

    R817

    R818

    R711

    R709R710

    R707

    R708

    R706R705R704

    R840

    C810

    R841R842

    C843

    C845D914

    D907

    D999

    C846

    IC902

    C915

    C844

    Q917

    R909

    R809

    C914

    Q907

    C849

    C806

    X801C804

    C803

    JR901

    IC801

    R843

    JR903

    C909

    L701

    C701

    C702

    C703

    C704

    C847

    R801

    Q903

    Q904

    Q902

    Q911

    Q918

    Q929

    Q905

    Q906

    Q909

    Q912

    S901

    Q921

    Q914

    Q916

    R821

    CNP801

    JR1

    3-10. SCHEMATIC DIAGRAM MAIN SECTION (2/2) Refer to page 17 for Waveforms.

    (Page 20)

    (Page 22)

    (Page 25)

    Note: Voltage and waveforms are dc with respect to ground

    under no-signal (detuned) conditions.no mark : FM( ) : AM< > : CD PLAY

  • 2424

    CDX-L280

    (Volume)

    (Volume)

    D569

    D561

    R570R569

    D570

    D564R566

    R565

    R568 R567

    R564D565

    R563

    D566

    R554

    D562

    D563

    D568 D567 D574 D573 D572 D571 D578 D579

    D575

    R571R572

    R57

    6R

    575

    R55

    5 D580

    D576

    D555

    R57

    4R

    573

    D581D577

    IC552

    CNP552

    S511

    PL551

    S509

    D553

    JR503

    C551 R551

    R559

    R561

    R562

    R560D552 R552

    JR501

    D551 C552R553

    C555

    S516

    R510

    JR502

    R514R515

    S517

    D554 C553

    R516

    S518 S519

    IC551

    LCD501

    S520 S521 S508

    R518 R509

    S507

    S503

    S504

    R503

    R502

    R504

    R505R506

    R508R507

    S506

    S505

    S502

    PL552

    R519R517

    S513

    R501

    S512

    S515

    S510

    S501

    S514 R513 R512

    CNP551 R511

    A

    B

    C

    D

    E

    F

    G

    H

    I

    1 2 3 4 5 6 7 8 9 10 11 12 13 14 15

    3-11. PRINTED WIRING BOARD DISPLAY SECTION Refer to page 17 for Circuit Boards Location.

    (Page 21) (D551) G-5(D552) F-5(D553) G-5(D554) G-6D555 C-14D561 B-1D562 C-1D563 D-1

    Ref. No. Location Semiconductor Location

    Ref. No. Location

    ( ): SIDE B

    D564 B-3D565 C-3D566 D-3D567 A-6D568 A-5D569 A-4D570 A-2

    Ref. No. LocationD571 A-10D572 A-9D573 A-8D574 A-7D575 B-13D576 C-13D577 C-13

    D578 A-11D579 A-12D580 B-14D581 C-14

    (IC551) G-8IC552 D-14

    Ref. No. Location

  • 25 25

    CDX-L280

    (Volume)

    (Volume)

    D569

    D561

    R570470

    R569470

    D570

    D564

    R566470

    R565470

    R568470

    R567470

    R564470

    D565

    R563470

    D566

    R554

    D562

    D563

    D568

    D567

    D574

    D573 D572

    D571

    D578

    D579D575

    R571470

    R572470

    R576470

    R575470

    R555

    D580

    D576

    D555

    R574470

    SML-310VTT86R573470

    D581D577

    IC552CNP552

    S511

    PL551

    PL551,552LCD BACK LIGHT

    S509

    D553

    JR503

    C551 R551

    R55

    9

    R56

    1R

    562

    R56

    0

    D552

    R552

    JR501

    D551 C552R553

    C555

    S516

    R510

    JR502

    R514 R515

    S517

    D554

    C553

    R516

    S518 S519

    IC551

    LCD501

    S520 S521

    S508

    R518

    R509

    S507S503 S504

    R503R502 R504 R505 R506 R508R507

    S506S505S502

    PL552

    R519R517

    S513

    R501

    S512 S515

    S510S501

    S514

    R513R512

    CNP551

    R511

    3-12. SCHEMATIC DIAGRAM DISPLAY SECTION

    (Page 23)

    Note: Voltage is dc with respect to ground under no-signal

    (detuned) condition.no mark : FM

  • 2626

    CDX-L280

    IC1 PD63711GC-8EU IC Block Diagrams

    IC601 TB2118F (EL)

    IC2 BA5810FP-E2

    76

    75

    AGCI

    AGCO

    74

    RFI

    73

    C3T

    72

    ASY

    71

    EFM

    70AV

    DD69

    7E D

    AC3

    68

    7D D

    AC2

    67

    7C D

    AC1

    66

    7F D

    AC0

    65

    MD

    64

    SD

    63

    TD

    62

    FD

    60

    ATES

    T

    59

    TEST

    1

    58

    TEST

    0

    57

    DGND

    56

    TSTB

    55

    TSCK

    54

    TSI

    53

    TSO

    52

    PACK

    51

    DVDD

    61

    AGND

    1

    DGND

    2

    RFOK

    3

    RST

    4

    A0

    5

    STB

    6

    SCK

    7

    SO

    8

    SI

    9

    XTAL

    EN

    10

    DVDD

    11

    DAVD

    D

    12

    ROUT

    13

    DAGN

    D

    REGC

    16

    LOUT

    17

    DAVD

    D

    18

    R+

    19

    R

    20

    L+

    21

    L

    22

    XVDD

    23

    XTAL

    24

    XTAL

    25

    XGND

    1514

    DAGN

    D

    77RFO

    78EQ2

    79EQ1

    80RF-

    81AGND

    82A

    83C

    84B

    85D

    86F

    87E

    88AVDD

    89REFOUT

    90FE-

    91FEO

    92TE-

    93TEO

    94TE2

    95

    AGND

    TEC

    96

    PD 97

    98LD

    PN 99

    100AVDD

    50 C2D3

    49 C2D2

    48 C2D1

    47 C1D2

    46 C1D1

    45 DGND

    44 PLCK

    43 MIRR/WFCK

    42 RFCK

    41 LOCK

    40 DVDD

    39 TSOI

    38 C16M

    37 DGND

    36 TX

    35 HOLD/WDCK

    34 LRCK

    33 LRCKIN

    32 SCKO

    31 SCKIN

    30 DOUT

    29

    28

    DIN

    FLAG

    27 EMPH

    26 DVDD

    EFM

    COMPARATOR

    EFM

    EFM

    DEFECT

    FOK

    A3T

    MIRR

    FEO

    TEO

    TEOFS

    FEOFS

    RFAMP BLOCK

    SWITCH

    MICROCOMPUTER INTERFACE SCF OSC

    FOCUS REGISTER

    TRACKINGREGISTER

    OCTUPLEDOVERSAMPLING DIGITAL FILTER

    NOISE SHAVER

    OUTPUT BUFFER

    NOISE SHAVER

    OUTPUT BUFFER

    DE-EMPHASIS CIRCUIT

    D/AINTERFACE

    CIRCUIT

    OUTP

    UT P

    ROCE

    SSOR

    DIGITALAUDIO

    INTERFACE

    DIGITAL PLL

    TIMING GENERATOR

    EFM DEMODULATOR

    ERRO

    RCO

    RREC

    TION

    PROC

    ESSO

    R

    MICROCOMPUTER INTERFACE

    CD-TEXT DECODER

    SUB-CODE PROCESSOR16K

    SRAM

    D/A

    AUTO GAIN CONTROLLER

    FD/TD/SD/MDCONTROLLER

    ADDER

    SVDRAM

    MULTIPLIER SVCRAM

    SVROM ROMDECODER

    CLVPROCESSOR

    DEFECTCOMPARATOR

    RFENV

    MIRENV

    A/D

    CONV

    ERTE

    R

    MEMORYPROCESSOR

    COMPARATOR

    1FWD

    +

    +

    +

    2REV LOADING PREFWD REV

    3LDCONT

    6IN2

    7PREVCC

    8POWVCC

    VOL

    VOL+

    IN1

    4PS

    +

    LEVEL SHIFT+

    +

    LEVEL SHIFT

    LEVEL SHIFT+

    POWERSAVE

    CH1-4MUTE

    X3

    9

    10

    11VO2

    12VO2+

    13VO1

    14VO1+

    5

    BIAS

    OPIN4+OPIN4

    OPIN3

    OPOUT3

    MUTE

    POWVCC

    GND

    OPIN3+

    OPOUT4

    VO3

    VO3+

    VO4

    VO4+

    7.5k

    7.5k

    16k

    16k

    7.5k

    7.5k

    16k

    16k

    10k10k

    10k

    10k

    10k

    10k

    10k

    10k

    10k

    10k

    10k

    10k

    +

    +

    +

    LEVEL SHIFT +

    +

    +

    10k

    10k

    10k

    10k

    +

    28

    2726

    23

    22

    21

    25

    20

    19

    18

    17

    16

    15

    24

    POWVCC34(CH3,CH4)

    PREVCC(PRE.LOADING)

    POWVCC12(CH1.CH2)

    VDD

    AMP

    AMP

    AMP

    VDD2

    1

    2

    3456

    7

    8

    9

    10

    242322

    21

    20

    19

    1817

    16

    15

    11

    12

    14

    13

    XO

    OSC

    CED_IN

    CKD_OUT

    SR

    LCL

    I/O-2

    SEEK

    MONO

    VDD2

    IFC

    VDD

    FM_VCO

    AM_VCO

    D-GNDFM_CP

    VT

    AM_CP

    VCC

    REGA-GNDXI

    SERIALINTERFACE

    I/OPORT

    OSCILLATOR

    ON/OFFBUFFER

    REFERENCEDIVIDER

    PHASECOMPARATOR

    20BITIF COUNTER

    PRESCALLER12BIT

    PROGRAMMABLECOUNTER

    +

    REGULATOR

    18BIT

    18BIT

    22BIT

    40BIT SHIFTREGISTER

    REF

    VCCSEEK/RECP

    SEEK/RECP +

    SIG

    4BIT SWALLOWCOUNTER

    OUTPUTPORT

    +

    +

  • 27

    CDX-L280

    IC401 LC75421M-TLM

    LROUTLFOUT

    + +

    +

    4

    VSS 3

    CE

    DI

    5

    7

    +

    9

    6LFIN

    LOUT

    12LIN

    L5

    L4

    L3

    R2

    R3

    R4

    VREF

    R5

    L2

    L1 R1

    LSELO

    LBASS1 10

    +

    13

    14

    15

    16

    17

    18

    +

    LTRE 11

    LSB

    LBASS2

    8

    RROUTRFOUT

    3433

    31

    29

    32 RFIN

    ROUT

    26 RIN

    RSELO

    RBASS128

    25

    24

    23

    21

    RTRE27

    RSB

    RBASS2

    30

    + +

    ++

    +

    +

    +

    2

    1

    VDD35

    CL36

    CCBINTERFACE

    CONTROLCIRCUIT

    LOGICCIRCUIT

    CONTROLCIRCUIT

    LVREF RVREF

    +

    22

    20

    19

  • 28

    CDX-L280SECTION 4

    EXPLODED VIEWSNOTE: The mechanical parts with no reference

    number in the exploded views are not supplied. Items marked * are not stocked since

    they are seldom required for routine service.Some delay should be anticipatedwhen ordering these items.

    -XX and -X mean standardized parts, sothey may have some difference from theoriginal one.

    Color Indication of Appearance PartsExample :

    KNOB, BALANCE (WHITE) ... (RED)

    Parts Color Cabinets Color Accessories are given in the last of this

    parts list.

    The components identified bymark 0 or dotted line with mark0 are critical for safety.Replace only with part numberspecified.

    Ref. No. Part No. Description Remark

    4-1. CHASSIS SECTION

    R

    Ref. No. Part No. Description Remark

    R

    1

    2

    3

    #1

    #1 #1

    #1

    #1

    #2

    #2

    #2

    F901

    TU601

    not supplied

    MG-393CX-121//K

    #2#3

    #2

    #2

    46

    7

    7

    8

    11

    910

    12

    13

    14

    5

    15

    1 X-3379-736-5 PANEL ASSY, SUB2 X-3382-588-1 LOCK ASSY (S)3 3-224-309-22 COVER4 1-776-527-11 CORD (WITH CONNECTOR) (ISO) (POWER)

    * 5 3-024-285-01 CUSHION (RUBBER)

    * 6 3-041-173-12 BRACKET (CD)7 3-922-535-11 SCREW (+BTT)8 A-3274-620-A MAIN BOARD, COMPLETE

    * 9 3-224-613-01 HEAT SINK* 10 3-019-565-01 BRACKET (IC)

    11 1-683-602-11 SPEAKER BOARD12 3-041-261-11 BRACKET (TR)

    * 13 3-224-612-02 CHASSIS (CD)14 3-231-472-01 SCREW (+B 2X4)15 3-223-913-11 LABEL (OP CAUTION)

    F901 1-532-877-11 FUSE (BLADE TYPE) (AUTO FUSE) 10ATU601 A-3220-835-A TUNER UNIT (TUX-010)#1 7-685-792-09 SCREW +PTT 2.6X6 (S)#2 7-685-793-09 SCREW +PTT 2.6X8 (S)#3 7-685-795-09 SCREW +PTT 2.6X12 (S)

  • 29

    CDX-L280

    4-2. FRONT PANEL SECTION

    Ref. No. Part No. Description RemarkRef. No. Part No. Description Remark

    51

    5354

    52

    55

    56

    57

    58

    596166

    62

    63

    65#4

    #4

    not supplied(DISPLAY board)

    LCD501

    64

    60

    67

    68

    51 X-3382-770-1 PANEL SUB ASSY, FRONT52 3-224-605-21 BUTTON (SEEK/AMS)53 3-224-606-21 BUTTON (RELEASE)54 3-229-774-01 SPRING (RELEASE)55 3-224-604-41 BUTTON (+/)

    56 3-224-601-11 BUTTON (EJECT)57 3-224-603-01 BUTTON (OFF)58 3-224-600-11 BUTTON (1-6)59 3-224-602-01 BUTTON (SOURCE)

    * 60 3-227-293-01 SHEET (LCD)

    * 61 3-224-609-03 PLATE (LCD), GROUND* 62 3-224-610-02 SHEET (LCD), DIFFUSION* 63 X-3379-734-1 HOLDER (LCD) ASSY

    64 3-224-599-01 PANEL, FRONT BACK65 3-226-909-01 SHEET (BACK)

    * 66 3-229-751-01 SHEET (LCD.UP)67 X-3380-054-2 CASE ASSY (for FRONT PANEL)68 A-3315-967-A PANEL COMPLETE ASSY, FRONTLCD501 1-804-300-31 DISPLAY PANEL, LIQUID CRYSTAL#4 7-685-106-19 SCREW +P 2X10 TYPE2 NON-SLIT

  • 30

    CDX-L280

    4-3. CD MECHANISM SECTION (1)(MG-393CX-121//K)

    Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark

    101 3-040-050-01 LEVER (L)102 3-040-038-01 SPRING (LR), TENSION103 3-040-039-03 CHASSIS (T)104 3-040-067-01 LEVER (R)105 3-040-037-01 GUIDE (DISC)

    106 1-683-283-11 IN SELF SW BOARD107 3-044-206-11 SCREW, SPECIAL108 3-043-880-01 RING (RA), RETAINING109 3-040-042-01 WASHER110 3-040-044-01 ROLLER (S)

    111 3-040-022-01 RETAINER (ROLLER), SHAFT

    112 3-040-040-03 ARM (ROLLER)113 A-3283-233-A SERVO BOARD, COMPLETE114 1-685-337-11 LOAD SW BOARD115 3-221-779-02 BRACKET (MOTOR)116 A-3301-980-A SHAFT ROLLER ASSY

    117 3-040-034-01 SPRING (RA), TENSION118 1-683-284-11 PWB, FLEXIBLEM903 A-3315-039-A MOTOR SUB ASSY, LO (LOADING)#5 7-627-553-17 SCREW, PRECISION +P 2X2 TYPE3#6 7-628-253-00 SCREW, SPECIAL

    #7 7-627-553-37 SCREW, PRECISION +P 2X3 TYPE3

    103

    101 102

    105106

    104

    111

    111

    116

    109

    109

    108

    107

    110

    117

    113

    112

    115

    118

    114

    #7#7

    #6

    #6

    #6

    #7

    #5M903

    C

    C

  • 31

    CDX-L280

    4-4. CD MECHANISM SECTION (2) (MG-393CX-121//K)

    Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark

    151 3-040-025-02 ARM, CHUCKING152 3-040-031-01 DAMPER (T)153 3-040-056-01 LEVER (D)154 3-040-024-01 RETAINER (DISC)155 3-040-054-01 WHEEL (LW), WORM

    156 3-040-026-01 SPRING (CH), TENSION157 3-040-032-01 SPRING (FL), COMPRESSION

    158 3-040-033-01 SPRING (KF1), TENSION159 A-3307-422-A CHASSIS (M) COMPLETE ASSY160 3-040-059-01 SPRING (TR), TENSION161 3-040-057-01 LEVER (LOCK)162 3-040-058-01 GEAR (MDL)

    163 3-040-052-01 WHEEL (U), WORM164 3-040-051-02 LEVER (TR)

    154151

    156

    157

    158

    160

    162

    161

    159

    152

    152

    152

    153

    163

    157

    D

    D

    164

    155

    not supplied

  • 32

    CDX-L280

    4-5. CD MECHANISM SECTION (3)(MG-393CX-121//K)

    Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark

    The components identified bymark 0 or dotted line with mark0 are critical for safety.Replace only with part numberspecified.

    201 X-3378-480-1 CHASSIS (OP) ASSY (including M901)202 3-040-029-01 SPRING (SL), TORSION203 3-040-045-01 BASE (DRIVING)204 3-040-194-01 GEAR (MIDWAY)205 A-3301-983-A SHAFT (FEED) ASSY

    206 3-040-030-01 SPRING (FEED), PLATE207 1-823-641-11 CABLE, FLEXIBLE FLAT (6 CORE)

    208 1-683-282-11 SL SW BOARD209 3-909-607-01 SCREW

    0210 8-820-165-06 OPTICAL PICK-UP KSS-721A/C-RPM902 A-3301-985-A MOTOR ASSY, SLED (SLED)#7 7-627-553-37 SCREW, PRECISION +P 2X3 TYPE3

    #8 7-627-850-28 SCREW, PRECISION +P 1.4X3

    M902

    M901(Supplied with 201)

    #7

    #8

    206

    209

    209210

    205

    208

    204

    203

    202207

    201

  • 33

    CDX-L280SECTION 5

    ELECTRICAL PARTS LISTNOTE: Due to standardization, replacements in

    the parts list may be different from theparts specified in the diagrams or thecomponents used on the set.

    -XX and -X mean standardized parts, sothey may have some difference from theoriginal one.

    RESISTORSAll resistors are in ohms.METAL:Metal-film resistor.METAL OXIDE: Metal oxide-film resistor.F:nonflammable

    Items marked * are not stocked sincethey are seldom required for routine service.Some delay should be anticipatedwhen ordering these items.

    SEMICONDUCTORSIn each case, u : , for example:uA.. : A.. uPA.. : PA..uPB.. : PB.. uPC.. : PC.. uPD.. : PD..

    CAPACITORSuF : F

    COILSuH : H

    Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark

    The components identified bymark 0 or dotted line with mark0 are critical for safety.Replace only with part numberspecified.

    When indicating parts by referencenumber, please include the board.

    DISPLAY

    DISPLAY BOARD, COMPLETE************************

    * 3-224-609-03 PLATE (LCD), GROUND* 3-224-610-02 SHEET (LCD), DIFFUSION* 3-227-293-01 SHEET (LCD)* 3-229-751-01 SHEET (LCD.UP)

    < CAPACITOR >

    C551 1-164-315-11 CERAMIC CHIP 470PF 5% 50VC552 1-164-156-11 CERAMIC CHIP 0.1uF 25VC553 1-162-927-11 CERAMIC CHIP 100PF 5% 50VC555 1-119-866-11 CERAMIC CHIP 0.68uF 10% 10V

    < CONNECTOR >

    * CNP551 1-779-131-11 PIN, CONNECTOR 2PCNP552 1-794-312-21 PIN, CONNECTOR 12P

    < DIODE >

    D551 8-719-073-15 DIODE SDZ5V1D552 8-719-988-61 DIODE 1SS355TE-17D553 8-719-067-70 DIODE SDZ6V2D554 8-719-068-68 DIODE SDZ6V2WAD555 8-719-073-15 DIODE SDZ5V1

    D561 8-719-053-09 LED SML-310VTT86 (m . (SEEK/AMS))D562 8-719-053-09 LED SML-310VTT86 (+ > M (SEEK/AMS))D563 8-719-053-09 LED SML-310VTT86 (Z)D564 8-719-053-09 LED SML-310VTT86 (OFF)D565 8-719-083-98 LED SO1316 (D (D-BASS))

    D566 8-719-083-98 LED SO1316 (MBP)D567 8-719-053-09 LED SML-310VTT86 (5)D568 8-719-053-09 LED SML-310VTT86 (6)D569 8-719-053-09 LED SML-310VTT86 (BTM)D570 8-719-053-09 LED SML-310VTT86 (DSPL)

    D571 8-719-053-09 LED SML-310VTT86 (1)D572 8-719-053-09 LED SML-310VTT86 (2)D573 8-719-053-09 LED SML-310VTT86 (3/REP)D574 8-719-053-09 LED SML-310VTT86 (4/SHUF)D575 8-719-053-09 LED SML-310VTT86 (SEL)

    D576 8-719-053-09 LED SML-310VTT86 (MODE)D577 8-719-053-09 LED SML-310VTT86 (SOURCE)D578 8-719-053-09 LED SML-310VTT86 (SENS)D579 8-719-053-09 LED SML-310VTT86 (ATT)D580 8-719-053-09 LED SML-310VTT86 ( (Volume))

    D581 8-719-053-09 LED SML-310VTT86 (+ (Volume))

    < IC >

    IC551 8-759-369-90 IC LC75822EDIC552 8-749-017-35 IC KSM-401N

    < JUMPER RESISTOR >

    JR501 1-216-864-11 METAL CHIP 0 5% 1/10WJR502 1-216-864-11 METAL CHIP 0 5% 1/10WJR503 1-216-864-11 METAL CHIP 0 5% 1/10W

    < LIQUID CRYSTAL DISPLAY >

    LCD501 1-804-300-31 DISPLAY PANEL, LIQUID CRYSTAL

    < PILOT LAMP >

    PL551 1-518-754-11 LAMP, PILOTPL552 1-518-754-11 LAMP, PILOT

    < RESISTOR >

    R501 1-219-286-11 RES-CHIP 680 2% 1/16WR502 1-219-286-11 RES-CHIP 680 2% 1/16WR503 1-219-286-11 RES-CHIP 680 2% 1/16WR504 1-218-847-11 RES-CHIP 1K 2% 1/16WR505 1-218-851-11 RES-CHIP 1.5K 2% 1/16W

    R506 1-218-851-11 RES-CHIP 1.5K 2% 1/16WR507 1-218-855-11 RES-CHIP 2.2K 2% 1/16WR508 1-218-859-11 RES-CHIP 3.3K 2% 1/16WR509 1-218-863-11 RES-CHIP 4.7K 2% 1/16WR510 1-218-867-11 RES-CHIP 6.8K 2% 1/16W

    R511 1-219-286-11 RES-CHIP 680 2% 1/16WR512 1-219-286-11 RES-CHIP 680 2% 1/16WR513 1-219-286-11 RES-CHIP 680 2% 1/16WR514 1-218-847-11 RES-CHIP 1K 2% 1/16WR515 1-218-851-11 RES-CHIP 1.5K 2% 1/16W

    R516 1-218-851-11 RES-CHIP 1.5K 2% 1/16WR517 1-218-855-11 RES-CHIP 2.2K 2% 1/16WR518 1-218-859-11 RES-CHIP 3.3K 2% 1/16WR519 1-218-863-11 RES-CHIP 4.7K 2% 1/16WR551 1-218-331-11 METAL CHIP 51K 5% 1/10W

    R552 1-216-819-11 METAL CHIP 680 5% 1/10WR553 1-216-857-11 METAL CHIP 1M 5% 1/10WR554 1-216-807-11 METAL CHIP 68 5% 1/10WR555 1-216-819-11 METAL CHIP 680 5% 1/10WR559 1-216-806-11 METAL CHIP 56 5% 1/10W

    R560 1-216-806-11 METAL CHIP 56 5% 1/10W

  • 34

    CDX-L280

    Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark

    R561 1-216-806-11 METAL CHIP 56 5% 1/10WR562 1-216-806-11 METAL CHIP 56 5% 1/10WR563 1-216-817-11 METAL CHIP 470 5% 1/10WR564 1-216-817-11 METAL CHIP 470 5% 1/10WR565 1-216-817-11 METAL CHIP 470 5% 1/10W

    R566 1-216-817-11 METAL CHIP 470 5% 1/10WR567 1-216-817-11 METAL CHIP 470 5% 1/10WR568 1-216-817-11 METAL CHIP 470 5% 1/10WR569 1-216-817-11 METAL CHIP 470 5% 1/10WR570 1-216-817-11 METAL CHIP 470 5% 1/10W

    R571 1-216-817-11 METAL CHIP 470 5% 1/10WR572 1-216-817-11 METAL CHIP 470 5% 1/10WR573 1-216-817-11 METAL CHIP 470 5% 1/10WR574 1-216-817-11 METAL CHIP 470 5% 1/10WR575 1-216-817-11 METAL CHIP 470 5% 1/10W

    R576 1-216-817-11 METAL CHIP 470 5% 1/10W

    < SWITCH >

    S501 1-572-704-31 SWITCH, KEYBOARD (Z)S502 1-572-704-31 SWITCH, KEYBOARD (SRC (SOURCE))S503 1-572-704-31 SWITCH, KEYBOARD (MODE)S504 1-572-704-31 SWITCH, KEYBOARD (SEL)S505 1-572-704-31 SWITCH, KEYBOARD (+ (Volume))

    S506 1-572-704-31 SWITCH, KEYBOARD ( (Volume))S507 1-572-704-31 SWITCH, KEYBOARD (ATT)S508 1-572-704-31 SWITCH, KEYBOARD (SENS)S509 1-572-704-31 SWITCH, KEYBOARD (BTM)S510 1-572-704-31 SWITCH, KEYBOARD (DSPL)

    S511 1-572-704-31 SWITCH, KEYBOARD (OFF)S512 1-572-704-31 SWITCH, KEYBOARD (D (D-BASS))S513 1-572-704-31 SWITCH, KEYBOARD (MBP)S514 1-572-704-31 SWITCH, KEYBOARD (+ > M (SEEK/AMS))S515 1-572-704-31 SWITCH, KEYBOARD (m . (SEEK/AMS))

    S516 1-572-704-31 SWITCH, KEYBOARD (6)S517 1-572-704-31 SWITCH, KEYBOARD (5)S518 1-572-704-31 SWITCH, KEYBOARD (4/SHUF)S519 1-572-704-31 SWITCH, KEYBOARD (3/REP)S520 1-572-704-31 SWITCH, KEYBOARD (2)

    S521 1-572-704-31 SWITCH, KEYBOARD (1)*************************************************************

    1-683-283-11 IN SELF SW BOARD****************

    < SWITCH >

    SW2 1-529-566-31 SWITCH, PUSH (1 KEY) (SELF)SW3 1-529-566-31 SWITCH, PUSH (1 KEY) (DISC IN)

    *************************************************************

    1-685-337-11 LOAD SW BOARD***************

    < SWITCH >

    SW5 1-529-566-31 SWITCH, PUSH (1 KEY) (DOWN)*************************************************************

    A-3274-620-A MAIN BOARD, COMPLETE (includingSPEAKER BOARD)

    *********************

    * 3-019-565-01 BRACKET (IC)3-041-261-11 BRACKET (TR)

    * 3-224-613-01 HEAT SINK7-685-793-09 SCREW +PTT 2.6X8 (S)7-685-795-09 SCREW +PTT 2.6X12 (S)

    < CAPACITOR >

    C101 1-164-346-11 CERAMIC CHIP 1uF 16VC102 1-164-346-11 CERAMIC CHIP 1uF 16VC103 1-104-396-11 ELECT 10uF 20% 16VC104 1-104-396-11 ELECT 10uF 20% 16VC105 1-162-964-11 CERAMIC CHIP 0.001uF 10% 50V

    C108 1-109-982-11 CERAMIC CHIP 1uF 10% 10VC110 1-164-156-11 CERAMIC CHIP 0.1uF 25VC111 1-164-156-11 CERAMIC CHIP 0.1uF 25VC113 1-164-677-11 CERAMIC CHIP 0.033uF 10% 16VC114 1-124-257-00 ELECT 2.2uF 20% 50V

    C115 1-162-965-11 CERAMIC CHIP 0.0015uF 10% 50VC116 1-109-982-11 CERAMIC CHIP 1uF 10% 10VC117 1-109-982-11 CERAMIC CHIP 1uF 10% 10VC118 1-164-346-11 CERAMIC CHIP 1uF 16VC119 1-164-346-11 CERAMIC CHIP 1uF 16V

    C201 1-164-346-11 CERAMIC CHIP 1uF 16VC202 1-164-346-11 CERAMIC CHIP 1uF 16VC203 1-104-396-11 ELECT 10uF 20% 16VC204 1-104-396-11 ELECT 10uF 20% 16VC205 1-162-964-11 CERAMIC CHIP 0.001uF 10% 50V

    C208 1-109-982-11 CERAMIC CHIP 1uF 10% 10VC210 1-164-156-11 CERAMIC CHIP 0.1uF 25VC211 1-164-156-11 CERAMIC CHIP 0.1uF 25VC213 1-164-677-11 CERAMIC CHIP 0.033uF 10% 16VC214 1-124-257-00 ELECT 2.2uF 20% 50V

    C215 1-162-965-11 CERAMIC CHIP 0.0015uF 10% 50VC216 1-109-982-11 CERAMIC CHIP 1uF 10% 10VC217 1-109-982-11 CERAMIC CHIP 1uF 10% 10VC218 1-164-346-11 CERAMIC CHIP 1uF 16VC219 1-124-234-00 ELECT 22uF 20% 16V

    C401 1-126-163-11 ELECT 4.7uF 20% 50VC407 1-104-396-11 ELECT 10uF 20% 16VC426 1-162-964-11 CERAMIC CHIP 0.001uF 10% 50VC432 1-124-589-11 ELECT 47uF 20% 16VC435 1-124-589-11 ELECT 47uF 20% 16V

    C603 1-164-227-11 CERAMIC CHIP 0.022uF 10% 25VC604 1-162-970-11 CERAMIC CHIP 0.01uF 10% 25VC605 1-104-665-11 ELECT 100uF 20% 10VC606 1-126-947-11 ELECT 47uF 20% 10VC608 1-164-156-11 CERAMIC CHIP 0.1uF 25V

    C609 1-162-970-11 CERAMIC CHIP 0.01uF 10% 25VC610 1-104-396-11 ELECT 10uF 20% 16VC611 1-162-927-11 CERAMIC CHIP 100PF 5% 50VC612 1-162-927-11 CERAMIC CHIP 100PF 5% 50VC613 1-162-927-11 CERAMIC CHIP 100PF 5% 50V

    C614 1-164-174-11 CERAMIC CHIP 0.0082uF 10% 25VC615 1-165-176-11 CERAMIC CHIP 0.047uF 10% 16VC617 1-165-176-11 CERAMIC CHIP 0.047uF 10% 16V

    DISPLAY MAINLOAD SWIN SELF SW

  • 35

    CDX-L280

    Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark

    C618 1-162-964-11 CERAMIC CHIP 0.001uF 10% 50VC619 1-162-964-11 CERAMIC CHIP 0.001uF 10% 50VC620 1-104-665-11 ELECT 100uF 20% 10VC621 1-104-396-11 ELECT 10uF 20% 16VC622 1-162-911-11 CERAMIC CHIP 6PF 0.5PF 50V

    C623 1-162-912-11 CERAMIC CHIP 7PF 0.5PF 50VC624 1-162-915-11 CERAMIC CHIP 10PF 0.5PF 50VC625 1-162-963-11 CERAMIC CHIP 680PF 10% 50VC626 1-164-315-11 CERAMIC CHIP 470PF 5% 50VC627 1-164-156-11 CERAMIC CHIP 0.1uF 25V

    C631 1-104-396-11 ELECT 10uF 20% 16VC633 1-162-964-11 CERAMIC CHIP 0.001uF 10% 50VC650 1-164-245-11 CERAMIC CHIP 0.015uF 10% 25VC651 1-164-245-11 CERAMIC CHIP 0.015uF 10% 25VC652 1-164-227-11 CERAMIC CHIP 0.022uF 10% 25V

    C666 1-162-919-11 CERAMIC CHIP 22PF 5% 50VC701 1-124-584-00 ELECT 100uF 20% 10VC702 1-124-584-00 ELECT 100uF 20% 10VC703 1-124-584-00 ELECT 100uF 20% 10VC704 1-124-584-00 ELECT 100uF 20% 10V

    C706 1-162-964-11 CERAMIC CHIP 0.001uF 10% 50VC707 1-162-964-11 CERAMIC CHIP 0.001uF 10% 50VC801 1-104-396-11 ELECT 10uF 20% 16VC802 1-164-156-11 CERAMIC CHIP 0.1uF 25VC803 1-162-918-11 CERAMIC CHIP 18PF 5% 50V

    C804 1-164-160-11 CERAMIC CHIP 20PF 5% 50VC806 1-162-910-11 CERAMIC CHIP 5PF 0.25PF 50VC809 1-164-156-11 CERAMIC CHIP 0.1uF 25VC810 1-162-964-11 CERAMIC CHIP 0.001uF 10% 50VC841 1-162-964-11 CERAMIC CHIP 0.001uF 10% 50V

    C842 1-162-964-11 CERAMIC CHIP 0.001uF 10% 50VC843 1-162-970-11 CERAMIC CHIP 0.01uF 10% 25VC844 1-162-970-11 CERAMIC CHIP 0.01uF 10% 25VC845 1-162-970-11 CERAMIC CHIP 0.01uF 10% 25VC846 1-162-964-11 CERAMIC CHIP 0.001uF 10% 50V

    C847 1-164-346-11 CERAMIC CHIP 1uF 16VC848 1-162-964-11 CERAMIC CHIP 0.001uF 10% 50VC849 1-162-964-11 CERAMIC CHIP 0.001uF 10% 50VC901 1-126-936-11 ELECT 3300uF 20% 16VC902 1-164-156-11 CERAMIC CHIP 0.1uF 25V

    C904 1-126-160-11 ELECT 1uF 20% 50VC905 1-164-156-11 CERAMIC CHIP 0.1uF 25VC907 1-164-156-11 CERAMIC CHIP 0.1uF 25VC909 1-164-156-11 CERAMIC CHIP 0.1uF 25VC914 1-104-665-11 ELECT 100uF 20% 10V

    C915 1-110-654-11 DOUBLE LAYERS 0.047F 5.5VC916 1-164-156-11 CERAMIC CHIP 0.1uF 25VC919 1-124-229-00 ELECT 33uF 20% 10V

    < JACK >

    CNJ601 1-793-598-11 JACK (ANTENNA)

    < CONNECTOR >

    CNP501 1-774-701-11 PIN, CONNECTOR 16PCNP701 1-815-260-11 CONNECTOR, BOARD TO BOARD 30PCNP801 1-794-311-21 PLUG, CONNECTOR 12P

    < SURGE PROTECTOR >

    CP601 1-803-902-21 PROTECTOR CHIP, SURGE

    < DIODE >

    D401 8-719-991-33 DIODE 1SS133T-77D402 8-719-991-33 DIODE 1SS133T-77D444 8-719-991-33 DIODE 1SS133T-77D604 8-719-109-85 DIODE RD5.1ES-B2D667 8-719-988-61 DIODE 1SS355TE-17

    D901 8-719-049-38 DIODE 1N5404TUD903 8-719-109-97 DIODE RD6.8ES-B2D904 8-719-200-82 DIODE 11ES2D906 8-719-921-63 DIODE MTZJ-7.5BD907 8-719-110-49 DIODE RD18ES-B2

    D908 8-719-921-63 DIODE MTZJ-7.5BD909 8-719-109-97 DIODE RD6.8ES-B2D910 8-719-109-89 DIODE RD5.6ES-B2D913 8-719-110-14 DIODE RD9.1ES-B3D914 8-719-991-33 DIODE 1SS133T-77

    D915 8-719-200-82 DIODE 11ES2D916 8-719-200-82 DIODE 11ES2D917 8-719-200-82 DIODE 11ES2D918 8-719-200-82 DIODE 11ES2D919 8-719-200-82 DIODE 11ES2

    D920 8-719-053-18 DIODE 1SR154-400TE-25D921 8-719-053-18 DIODE 1SR154-400TE-25D922 8-719-200-82 DIODE 11ES2D923 8-719-110-14 DIODE RD9.1ES-B3D930 8-719-109-89 DIODE RD5.6ES-B2

    D999 8-719-991-33 DIODE 1SS133T-77

    < IC >

    IC101 8-759-827-12 IC TA8272HIC401 8-759-827-11 IC LC75421M-TLM-EIC601 8-759-586-59 IC TB2118F-EL-SIC801 6-801-168-02 IC uPD780024AGK-C08-9ETIC902 8-759-837-07 IC S7139SF

    < JUMPER RESISTOR >

    JR1 1-216-864-11 METAL CHIP 0 5% 1/10WJR101 1-216-864-11 METAL CHIP 0 5% 1/10WJR610 1-216-864-11 METAL CHIP 0 5% 1/10WJR611 1-216-864-11 METAL CHIP 0 5% 1/10WJR613 1-216-864-11 METAL CHIP 0 5% 1/10W

    JR615 1-216-864-11 METAL CHIP 0 5% 1/10WJR620 1-216-864-11 METAL CHIP 0 5% 1/10WJR901 1-216-864-11 METAL CHIP 0 5% 1/10WJR903 1-216-864-11 METAL CHIP 0 5% 1/10WJR929 1-216-864-11 METAL CHIP 0 5% 1/10W

    < COIL >

    JW13 1-410-509-11 INDUCTOR 10uHL601 1-410-508-11 INDUCTOR 8.2uHL603 1-412-006-31 INDUCTOR 10uHL604 1-410-750-41 INDUCTOR 0.47uHL605 1-216-864-11 METAL CHIP 0 5% 1/10W

    L669 1-424-759-21 COIL (AM ANT)

    MAIN

  • 36

    CDX-L280

    Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark

    MAIN

    L701 1-410-513-11 INDUCTOR 22uHL702 1-410-513-11 INDUCTOR 22uHL703 1-410-513-11 INDUCTOR 22uHL901 1-419-476-31 COIL, CHOKE 250uH

    < JACK >

    PJ401 1-774-698-11 JACK, PIN 2P (AUDIO OUT REAR)

    < TRANSISTOR >

    Q101 8-729-920-21 TRANSISTOR DTC314TK-T-146Q102 8-729-920-21 TRANSISTOR DTC314TK-T-146Q201 8-729-920-21 TRANSISTOR DTC314TK-T-146Q202 8-729-920-21 TRANSISTOR DTC314TK-T-146Q401 8-729-055-92 TRANSISTOR SRA2203SF

    Q402 8-729-055-96 TRANSISTOR SRC1203SFQ603 8-729-030-51 TRANSISTOR 2SA1515S-R-TPQ604 8-729-055-96 TRANSISTOR SRC1203SFQ605 8-729-030-51 TRANSISTOR 2SA1515S-R-TPQ606 8-729-055-96 TRANSISTOR SRC1203SF

    Q902 8-729-049-40 TRANSISTOR 2SC5343SFGQ903 8-729-055-96 TRANSISTOR SRC1203SFQ904 8-729-055-96 TRANSISTOR SRC1203SFQ905 8-729-055-96 TRANSISTOR SRC1203SFQ906 8-729-055-92 TRANSISTOR SRA2203SF

    Q907 8-729-019-00 TRANSISTOR 2SD2394-GQ909 8-729-055-96 TRANSISTOR SRC1203SFQ910 8-729-920-85 TRANSISTOR 2SD1664-QRQ911 8-729-055-96 TRANSISTOR SRC1203SFQ912 8-729-055-92 TRANSISTOR SRA2203SF

    Q913 8-729-019-00 TRANSISTOR 2SD2394-GQ914 8-729-055-96 TRANSISTOR SRC1203SFQ915 8-729-049-43 TRANSISTOR STB1132YQ916 8-729-055-92 TRANSISTOR SRA2203SFQ917 8-729-820-46 TRANSISTOR 2SB1202FAS

    Q918 8-729-055-92 TRANSISTOR SRA2203SFQ919 8-729-920-85 TRANSISTOR 2SD1664-QRQ920 8-729-920-85 TRANSISTOR 2SD1664-QRQ921 8-729-055-96 TRANSISTOR SRC1203SFQ929 8-729-055-96 TRANSISTOR SRC1203SF

    < RESISTOR >

    R105 1-249-431-11 CARBON 15K 5% 1/4WR106 1-249-431-11 CARBON 15K 5% 1/4WR107 1-216-841-11 METAL CHIP 47K 5% 1/10WR108 1-216-841-11 METAL CHIP 47K 5% 1/10WR109 1-216-809-11 METAL CHIP 100 5% 1/10W

    R110 1-216-809-11 METAL CHIP 100 5% 1/10WR113 1-218-867-11 METAL CHIP 6.8K 5% 1/10WR115 1-216-834-11 METAL CHIP 12K 5% 1/10WR205 1-249-431-11 CARBON 15K 5% 1/4WR206 1-249-431-11 CARBON 15K 5% 1/4W

    R207 1-216-841-11 METAL CHIP 47K 5% 1/10WR208 1-216-841-11 METAL CHIP 47K 5% 1/10WR209 1-216-809-11 METAL CHIP 100 5% 1/10WR210 1-216-809-11 METAL CHIP 100 5% 1/10WR213 1-218-867-11 METAL CHIP 6.8K 5% 1/10W

    R215 1-216-834-11 METAL CHIP 12K 5% 1/10WR401 1-249-429-11 CARBON 10K 5% 1/4W

    R404 1-249-417-11 CARBON 1K 5% 1/4WR407 1-216-841-11 METAL CHIP 47K 5% 1/10WR408 1-218-867-11 METAL CHIP 6.8K 5% 1/10WR410 1-216-805-11 METAL CHIP 47 5% 1/10WR444 1-216-864-11 METAL CHIP 0 5% 1/10W

    R601 1-249-417-11 CARBON 1K 5% 1/4WR602 1-216-821-11 METAL CHIP 1K 5% 1/10WR603 1-249-407-11 CARBON 150 5% 1/4WR604 1-216-821-11 METAL CHIP 1K 5% 1/10WR605 1-216-841-11 METAL CHIP 47K 5% 1/10W

    R606 1-216-841-11 METAL CHIP 47K 5% 1/10WR607 1-216-827-11 METAL CHIP 3.3K 5% 1/10WR608 1-216-833-11 METAL CHIP 10K 5% 1/10WR609 1-216-809-11 METAL CHIP 100 5% 1/10WR610 1-216-809-11 METAL CHIP 100 5% 1/10W

    R611 1-216-826-11 METAL CHIP 2.7K 5% 1/10WR612 1-216-833-11 METAL CHIP 10K 5% 1/10WR613 1-216-833-11 METAL CHIP 10K 5% 1/10WR614 1-216-174-00 RES-CHIP 100 5% 1/8WR615 1-216-825-11 METAL CHIP 2.2K 5% 1/10W

    R616 1-216-845-11 METAL CHIP 100K 5% 1/10WR617 1-216-825-11 METAL CHIP 2.2K 5% 1/10WR618 1-216-845-11 METAL CHIP 100K 5% 1/10WR619 1-216-817-11 METAL CHIP 470 5% 1/10WR620 1-216-817-11 METAL CHIP 470 5% 1/10W

    R622 1-216-817-11 METAL CHIP 470 5% 1/10WR628 1-216-830-11 METAL CHIP 5.6K 5% 1/10WR704 1-216-821-11 METAL CHIP 1K 5% 1/10WR705 1-216-821-11 METAL CHIP 1K 5% 1/10WR706 1-216-864-11 METAL CHIP 0 5% 1/10W

    R707 1-247-887-00 CARBON 220K 5% 1/4WR708 1-216-821-11 METAL CHIP 1K 5% 1/10WR709 1-216-821-11 METAL CHIP 1K 5% 1/10WR710 1-216-821-11 METAL CHIP 1K 5% 1/10WR711 1-216-821-11 METAL CHIP 1K 5% 1/10W

    R714 1-216-825-11 METAL CHIP 2.2K 5% 1/10WR716 1-216-825-11 METAL CHIP 2.2K 5% 1/10WR801 1-216-849-11 METAL CHIP 220K 5% 1/10WR802 1-216-849-11 METAL CHIP 220K 5% 1/10WR806 1-249-417-11 CARBON 1K 5% 1/4W

    R807 1-216-821-11 METAL CHIP 1K 5% 1/10WR808 1-216-821-11 METAL CHIP 1K 5% 1/10WR809 1-216-837-11 METAL CHIP 22K 5% 1/10WR810 1-247-807-31 CARBON 100 5% 1/4WR811 1-247-807-31 CARBON 100 5% 1/4W

    R812 1-247-807-31 CARBON 100 5% 1/4WR813 1-216-837-11 METAL CHIP 22K 5% 1/10WR814 1-216-809-11 METAL CHIP 100 5% 1/10WR815 1-216-809-11 METAL CHIP 100 5% 1/10WR817 1-216-841-11 METAL CHIP 47K 5% 1/10W

    R818 1-216-845-11 METAL CHIP 100K 5% 1/10WR821 1-216-864-11 METAL CHIP 0 5% 1/10WR824 1-216-849-11 METAL CHIP 220K 5% 1/10WR840 1-216-821-11 METAL CHIP 1K 5% 1/10WR841 1-216-821-11 METAL CHIP 1K 5% 1/10W

    R842 1-216-821-11 METAL CHIP 1K 5% 1/10WR843 1-216-821-11 METAL CHIP 1K 5% 1/10WR901 1-216-214-00 RES-CHIP 4.7K 5% 1/8W

  • 37

    CDX-L280

    Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark

    R906 1-249-417-11 CARBON 1K 5% 1/4WR907 1-216-841-11 METAL CHIP 47K 5% 1/10WR908 1-216-841-11 METAL CHIP 47K 5% 1/10WR909 1-216-828-11 METAL CHIP 3.9K 5% 1/10WR910 1-216-836-11 METAL CHIP 18K 5% 1/10W

    R911 1-216-821-11 METAL CHIP 1K 5% 1/10WR912 1-249-413-11 CARBON 470 5% 1/4WR913 1-249-417-11 CARBON 1K 5% 1/4WR917 1-249-409-11 CARBON 220 5% 1/4WR918 1-216-845-11 METAL CHIP 100K 5% 1/10W

    R919 1-249-421-11 CARBON 2.2K 5% 1/4WR920 1-216-849-11 METAL CHIP 220K 5% 1/10WR921 1-216-841-11 METAL CHIP 47K 5% 1/10WR922 1-208-806-11 RES-CHIP 10K 0.5% 1/10WR923 1-208-806-11 RES-CHIP 10K 0.5% 1/10W

    R924 1-249-404-00 CARBON 82 5% 1/4WR925 1-249-404-00 CARBON 82 5% 1/4WR926 1-249-404-00 CARBON 82 5% 1/4WR927 1-249-404-00 CARBON 82 5% 1/4WR928 1-249-404-00 CARBON 82 5% 1/4W

    R929 1-249-404-00 CARBON 82 5% 1/4WR930 1-249-395-11 CARBON 15 5% 1/4WR931 1-249-427-11 CARBON 6.8K 5% 1/4WR932 1-249-421-11 CARBON 2.2K 5% 1/4WR933 1-216-821-11 METAL CHIP 1K 5% 1/10W

    R934 1-249-409-11 CARBON 220 5% 1/4W

    < SWITCH >

    S901 1-762-638-21 SWITCH, TACTILE (RESET)

    < THERMISTOR >

    TH901 1-809-148-11 THERMISTOR PTH8L07AR2R0M1B510

    < TUNER >

    TU601 A-3220-835-A TUNER UNIT (TUX-010)

    < VIBRATOR >

    X601 1-781-246-21 VIBRATOR, CRYSTAL (10.25MHz)X801 1-795-259-11 VIBRATOR, CERAMIC (8.38MHz)X802 1-567-098-41 VIBRATOR, CRYSTAL (32.768kHz)

    *************************************************************

    A-3283-233-A SERVO BOARD, COMPLETE**********************

    1-683-284-11 PWB, FLEXIBLE

    < CAPACITOR >

    C1 1-162-970-11 CERAMIC CHIP 0.01uF 10% 25VC3 1-162-970-11 CERAMIC CHIP 0.01uF 10% 25VC4 1-104-609-11 ELECT CHIP 100uF 20% 4VC5 1-162-970-11 CERAMIC CHIP 0.01uF 10% 25VC6 1-162-970-11 CERAMIC CHIP 0.01uF 10% 25V

    C8 1-107-826-11 CERAMIC CHIP 0.1uF 10% 16VC9 1-162-924-11 CERAMIC CHIP 56PF 5% 50VC10 1-162-924-11 CERAMIC CHIP 56PF 5% 50VC11 1-162-909-11 CERAMIC CHIP 4PF 0.25PF 50VC13 1-162-916-11 CERAMIC CHIP 12PF 5% 50V

    C14 1-125-837-11 CERAMIC CHIP 1uF 10% 6.3VC15 1-162-970-11 CERAMIC CHIP 0.01uF 10% 25VC16 1-162-970-11 CERAMIC CHIP 0.01uF 10% 25VC17 1-162-970-11 CERAMIC CHIP 0.01uF 10% 25VC18 1-162-966-11 CERAMIC CHIP 0.0022uF 10% 50V

    C19 1-107-826-11 CERAMIC CHIP 0.1uF 10% 16VC20 1-107-826-11 CERAMIC CHIP 0.1uF 10% 16VC21 1-162-970-11 CERAMIC CHIP 0.01uF 10% 25VC22 1-162-970-11 CERAMIC CHIP 0.01uF 10% 25VC23 1-162-970-11 CERAMIC CHIP 0.01uF 10% 25V

    C24 1-162-970-11 CERAMIC CHIP 0.01uF 10% 25VC25 1-162-970-11 CERAMIC CHIP 0.01uF 10% 25VC26 1-126-391-11 ELECT CHIP 47uF 20% 6.3VC27 1-162-970-11 CERAMIC CHIP 0.01uF 10% 25VC29 1-162-970-11 CERAMIC CHIP 0.01uF 10% 25V

    C30 1-162-970-11 CERAMIC CHIP 0.01uF 10% 25VC34 1-162-970-11 CERAMIC CHIP 0.01uF 10% 25VC35 1-162-970-11 CERAMIC CHIP 0.01uF 10% 25VC36 1-162-970-11 CERAMIC CHIP 0.01uF 10% 25VC37 1-126-393-11 ELECT CHIP 33uF 20% 10V

    C38 1-162-970-11 CERAMIC CHIP 0.01uF 10% 25VC40 1-107-826-11 CERAMIC CHIP 0.1uF 10% 16VC41 1-162-970-11 CERAMIC CHIP 0.01uF 10% 25VC43 1-162-967-11 CERAMIC CHIP 0.0033uF 10% 50VC44 1-125-837-11 CERAMIC CHIP 1uF 10% 6.3V

    C45 1-162-970-11 CERAMIC CHIP 0.01uF 10% 25V

    < CONNECTOR >

    CN1 1-815-352-11 CONNECTOR, BOARD TO BOARD 30PCN3 1-816-275-21 CONNECTOR, FFC/FPC 6P

    < JUMPER RESISTOR >

    FB1 1-216-864-11 METAL CHIP 0 5% 1/10W

    < IC >

    IC1 8-759-699-98 IC uPD63711GC-8EUIC2 8-759-658-87 IC BA5810FP-E2

    < TRANSISTOR >

    Q1 8-729-904-87 TRANSISTOR 2SB1197K-R

    < RESISTOR >

    R3 1-216-797-11 METAL CHIP 10 5% 1/10WR5 1-218-344-11 METAL CHIP 7.5K 5% 1/10WR7 1-216-839-11 METAL CHIP 33K 5% 1/10WR8 1-216-833-11 METAL CHIP 10K 5% 1/10WR9 1-216-840-11 METAL CHIP 39K 5% 1/10W

    R10 1-216-835-11 METAL CHIP 15K 5% 1/10WR12 1-216-837-11 METAL CHIP 22K 5% 1/10WR14 1-216-841-11 METAL CHIP 47K 5% 1/10WR15 1-216-841-11 METAL CHIP 47K 5% 1/10WR17 1-216-809-11 METAL CHIP 100 5% 1/10W

    R18 1-216-809-11 METAL CHIP 100 5% 1/10WR19 1-216-809-11 METAL CHIP 100 5% 1/10WR20 1-216-809-11 METAL CHIP 100 5% 1/10WR21 1-216-821-11 METAL CHIP 1K 5% 1/10WR22 1-216-821-11 METAL CHIP 1K 5% 1/10W

    MAIN SERVO

  • 38

    CDX-L280SERVO

    Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark

    SL SW SPEAKER

    R26 1-216-797-11 METAL CHIP 10 5% 1/10WR29 1-216-833-11 METAL CHIP 10K 5% 1/10WR30 1-216-833-11 METAL CHIP 10K 5% 1/10W

    < VIBRATOR >

    X1 1-795-520-11 VIBRATOR, CERAMIC (16.9344MHz)*************************************************************

    1-683-282-11 SL SW BOARD************

    < SWITCH >

    SW4 1-529-565-41 SWITCH, PUSH (1 KEY) (LIMIT)*************************************************************

    1-683-602-11 SPEAKER BOARD (supplied withMAIN BOARD, COMPLETE)

    **************

    *************************************************************

    MISCELLANEOUS***************

    4 1-776-527-11 CORD (WITH CONNECTOR) (ISO) (POWER)201 X-3378-480-1 CHASSIS (OP) ASSY (including M901)207 1-823-641-11 CABLE, FLEXIBLE FLAT (6 CORE)

    0210 8-820-165-06 OPTICAL PICK-UP KSS-721A/C-RPF901 1-532-877-11 FUSE (BLADE TYPE) (AUTO FUSE) 10A

    M902 A-3301-985-A MOTOR ASSY, SLED (SLED)M903 A-3315-039-A MOTOR SUB ASSY, LO (LOADING)

    *************************************************************

    ACCESSORIES************

    3-227-644-41 MANUAL, INSTRUCTION, INSTALL (ENGLISH,GERMAN,FRENCH,ITALIAN,DUTCH)

    3-227-649-51 MANUAL, INSTRUCTION (ENGLISH,GERMAN,FRENCH,ITALIAN,DUTCH)

    X-3380-054-2 CASE ASSY (for FRONT PANEL)*************************************************************

    PARTS FOR INSTALLATION AND CONNECTIONS**************************************

    251 3-014-370-22 FRAME, FITTING252 X-3366-405-1 SCREW ASSY (EXP), FITTING253 3-224-614-01 COLLAR254 3-934-325-01 SCREW (+K 5X8 TP)255 1-465-459-21 ADAPTOR, ANTENNA

    256 3-030-929-04 SPRING, FITTING257 1-776-527-11 CORD (WITH CONNECTOR) (ISO) (POWER)

    The components identified bymark 0 or dotted line with mark0 are critical for safety.Replace only with part numberspecified.

    251

    252

    253

    254 255

    256 257

  • 39

    CDX-L280

    MEMO

  • 40

    CDX-L280

    REVISION HISTORY

    Clicking the version allows you to jump to the revised page.Also, clicking the version at the upper on the revised page allows you to jump to the next revised page.

    Ver. Date Description of Revision1.0 2002. 11 New

    COVERTABLE OF CONTENTSGENERALDISASSEMBLYSUB PANEL ASSYCD MECHANISM BLOCKMAIN BOARDHEAT SINKCHASSIS (T) SUB ASSYLEVER SECTIONSERVO BOARDSHAFT ROLLER ASSYFLOATING BLOCK ASSYOPTICAL PICK-UP BLOCK

    DIAGRAMSIC PIN DESCRIPTIONBLOCK DIAGRAM-CD SECTION-BLOCK DIAGRAM-TUNER SECTION-BLOCK DIAGRAM-DISPLAY SECTION-CIRCUIT BOARDS LOCATIONWaveformsPRINTED WIRING BOARDS-CD MECHANISM SECTION-SCHEMATIC DIAGRAM-CD MECHANISM SECTION-PRINTED WIRING BOARD-MAIN SECTION-SCHEMATIC DIAGRAM-MAIN SECTION (1/2)-SCHEMATIC DIAGRAM-MAIN SECTION (2/2)-PRINTED WIRING BOARD-DISPLAY SECTION-SCHEMATIC DIAGRAM-DISPLAY SECTION-IC BLOCK DIAGRAMS

    EXPLODED VIEWSCHASSIS SECTIONFRONT PANEL SECTIONCD MECHANISM SECTION (1)CD MECHANISM SECTION (2)CD MECHANISM SECTION (3)

    ELECTRICAL PARTS LISTDISPLAYINSELF SWLOAD SWMAINSERVOSL SWSPEAKER

    REVISION HISTORY