KV-2566AS /2966AS SERVICE MANUAL

Power requirements

Power consumption

Color system

Australian Model KV-2566AS

Chassis No. SCC-D23K-A KV-2966AS

Chassis No. SCC-D23J-A

MODELS OF THE SAME SERIES

RV ISOGAS/IRBERS |

SPECIFICATIONS

110 — 240 V AC, 50/60 Hz

Indicted on the rear of the TV

PAL, PAL6O , NTSCass, NTSCac3

Television system and Channel coverage

Audio output 5W+5W SUPER WOOFER accent 15 WwW

inputs Antenna 75-ohm VIDEO INPUT jacks: phono jacks

Video: 1 Vp-p, 75 ohms

Audio: 500 mVmns, high impedance

S-TERMINAL VIDEO INPUT jack: 4-pin DIN

Outputs VIDEO OUTPUT jacks: phono jacks Video: 1 Vp-p, 75 ohms Audio: 500 mVrms, high impedance

| 2566AS "|. 2966AS

Apporx. cm (inches) 72.4 (29)

Dimensions

(w/h/d, mm) 689 x 513 x 494 782 x 577x518

Design and specifications are subject to change without

TRINITRON COLOUR TV

SONY.

KV-2566AS/2966AS RM-827S |

TABLE OF CONTENTS

Section Title Page section | Title Page

1. GENERAL 4, CIRCUIT ADJUSTMENTS 1-1. Antenna Connection ---+:+++++++= ererrerrerrrerrrrtt irre tterere 3 4-1. A Board Adjustments --++-++-++-++-sereeereeeeeeserensereeones 1S

1-2. Connecting the SUPER WOOFER: eserves steerer eeeecncnnn eee 3 4.2. F Board Adjustment SOPrrrrrrrrrrrrerrirtt ret r etre errr err ree 16

1-3. Connecting a VTR or Other Equipment-:--++++-+++errrsere- 3 1-4, Presetting TV Channels «+++essressssseeeseserrsseeeesereentens 5 5. DIAGRAMS

1-5. Watching the TV -v+rreessesssseeeeeseeetceterceeceneseneresonses 5 5-1. Block Diagrams (1) sosrserssssessreeteeeseeeees creseeeeenenees 17

1-6. Watching the Video Input:+++---++-+ssrrseeesseereeeenesneesenes 5 5-2. Block Diagrams (2) «:srsrrtesssessesseersesensenseessersasoeees 19

1-7. Adjusting the Picture and Sound ++rers+++++eeeseeeeereesenes 6 §.3. Circuit Boards Location ss::+errsecscseesescecscecrescecsenenes 23

1-8. Using Convenient Features -----+r+sssrrrrsescessseeseece nance 7 5-4. Printed Wiring Boards and Schematic Diagram ---::----- 24

| © K Boarddessssoscccecccssccncccssccccccsccsescscncsccsssesesess 27

2. DISASSEMBLY , @ F Board cocccsseccssescccsneees co ecccssscesees oo vccccescsvevens 27

2-1. Rear Cover Removal se+ss+-+ssseesereeccesencssvesscencneeeeeees 8 AS Besar dd < or snes bee ccecssaetsccaseneteretaccaseodsceeeereees 28

2-2. Service Positionss::--+++-s+ceesseseeenceenscccecesoneceensscnsres 8 © H Boarderscescecesscscevcscsscscensscevcerevscencesssenseneess 30

2-3. K Board Removal <-+-cresscesesesecccsrceeececccccencesseseneoes 9 @ A Board srsssrccccssrssccenscccccsressssssessesscccessesseeses 3]

2-4. Picture Tube Removal -ossessssscccecccseesceecccsscansesscenes 10 @ V4 Board ooocesecsssceccveccnsccccccsssevsascccnsccssesso roses 38

@ C Board -ccceccsccrecsccctssscscerscssccsessessccesscescoevens 39

3. SET-UP ADJUSTMENTS 5-5. Semiconductors ses-e+esscesesseesceeeserseserecsccscsecseesnes 4l

3-1, Beam Landing-ss:++s+esesereeeesessssssenceeeneneesscoreecsteees ll

3-2. Convergence---------+-------r--seeeeeeceeneeeeneennseneesecenens 12 6. EXPLODED VIEWS

33. Focugecsscccccscscacceveccccncsccsccssccesssensascansnscccousvcuses 14 6-1. Chasgisessssccsecccccccccecrerscnccsccvecconsrectsssassensereveones 43

3-4. Screen (G2) and White Balance ----++r+r+sseeecerseeeesseees 14 6-2. Picture Tube --cescesceseceseecesescceececcsceesesececevonceseeens 44

6-3. Speaker sssesressersresessssseesseecsesencseessennecsssssseseevons 45

7. ELECTRICAL PARTS LIST -----:----c0ccessccererssecescseecees 46

WARNING !!

AN ISOLATION TRANSFORMER SHOULD BE USED

DURING ANY SERVICE TO AVOID POSSIBLE SHOCK

HAZARD, BECAUSE OF LIVE CHASSIS. THE CHASSIS OF THIS RECEIVER !S DIRECTLY CON- NECTED TO THE AC POWER LINE.

SAFETY-RELATED COMPONENT WARNING !!

COMPONENTS IDENTIFIED BY SHADING AND MARK A. ON THE SCHEMATIC DIAGRAMS, EXPLODED VIEWS AND IN THE PARTS LIST ARE CRITICAL TO SAFE OPERATION. REPLACE THESE COMPONENTS WITH SONY PARTS WHOSE PART NUMBERS APPEAR

AS SHOWN IN THIS MANUAL OR IN SUPPLEMENTS PUBLISHED BY SONY.

SECTION 1 GENERAL

The operating instructions mentioned here are partial abstracts from

the Operating Instruction Manual. The page numbers of the

Operating instruction Manual remein as in the manual.

Operating Instructions Before operating the TV, please read this manual thoroughly and retain it for luture reference.

1-3. CONNECTING A VTR OR OTHER EQUIPMENT 1-1. ANTENNA CONNECTION

To connect a VHF antenna or a combination VHF/UHF antenna - Connecting a VTR or Other Equipment Equipped with an S Video Output Jack <4; 74

75-ohm coaxial cable (round) Plug the connector into the ¥ socket of the TV. :

On a wall

io i a

1-2. CONNECTING THE SUPER WOOFER (EXCEPT for Model KV-2566AS)

YC-15V/30V (not supplied)

RK-C74 (not suppiied)

SUPER WOOFER

& ig important thed you push the SUPER WOOFER tabs into the correcl openings, or the SUPER

‘Connecting a VTR or Other Equipment not Equipped with an S Video Output Jack - Connecting two VJRs for Tape Editing

VTA { for playback)

(Rear of TV) | sk * °

VIDEO INPUT 1 or VIDEO INPUT 2 (Rear of TV)

VIDEO INPUT 1 oF

VIDEO INPUT 2

VMC-620S (not supplied)

ryeene a banat alaatd toy, Connecting & VTR 3¢ CaniGordér tothe VIDEO INPUT sbeka' i the Front This TV is equipped with 2 sets of VIDEO INPUT 2 jacks. 2 sete are not available to be weed at the same time. When using equipment connected, turn off other equipment not in use. For connection, use a commercially avaliable

cord.

il. @ 0 0 @ @- 0

RK-C74 (not suppited)

PHote | | Note | : if you connect monaural equipment, connect the

you connect moneural equipment, connect the AUDIO

ouiput of the VTA to L (MONO) jeck of VIDEO INPUT 2. paired den nce eat oa

The moneural sound will be heard from both speskers. he monsurat sound he. speakers.

1-4. PRESETTING TV CHANNELS

Presetting TV Channeis Automatically

You can preset up to 30 channels automatically to the program position numbers

(0 to 29) in numerical sequence from channel number 1.

1 Press the POWER button.

POWER

2 Press the PRESET ON/OFF button ©.

© 46 sth | VL mi

Manual Presetting

To change the program number lor a channel, or to receive a channel of weak signal, presel the channe! manually. Example: To preset a channel in program number 8

1 Press the PRESET ON/OFF button.

Press the PROGR +/- buttons until "6" appears.

Prass the TV SYSTEM button to select your TV

sysiem.

channel you want appears.

Press the PRESET ON/OFF bulton.

To preset other channels

Repeat sleps 1 through 5.

2

3

4 Press the MANUAL PROGA ¢/- bultons until the

5

3. Press the AUTO PROGR button @.

"2

Skipping Program Positions

You can skip the unused or undesired program position when you are selecting a program using PROGR +/- buttons. Example: To skip program position &

1 Press the PROGR ¢/- buttons until “6* appears.

2 Press the PRESET ON/OFF button.

3 Press the PIC MODE button on the Remote Commander.

4& Press the PRESET ON/OFF bution.

To skip other channels Repeat steps 1 through 3.

To cance the skip setting Preset a channel onto the position number, following the steps in ‘Presetting TV channels automatically” oF “*Presetting channels directly”.

1-5. WACHING THE TV

Ta switch on or off the TV

POWER

The TV power is turned on or turned off completely.

1 Press the TV/VIDEO button on the Remote Commander.

2 Set the VTR to playback mode.

To return to TY mode

Press the TV/VIDEO button, the channet number buttons,

or PROGR +/- buitons.

Do not use the VTAs connected lo the front and rear A/V Connectors simultaneously. When you use a VTR, turn off oF

disconnect another VTA.

To set the TV to standby mode

To turn on the TV, presse the POWER button again or press the channel number buttons or the PROGA +/- buttons.

You can aleo use the buitons on the TV thal have the same function.

1-7. ADJUSTING THE PICTURE AND SOUND

To Set TV SYSTEM To Set COLOR SYSTEM Selecting the Picture Mode . (Except for AS model)

Press the PIC MODE button.

High contrast Soft picture picture (good for video games)

epee eeeaeereey ee ee Normally, set COLOR SYSTEM to AUTO.

Adjusting the Picture and Sound Quali nolay, or color ls abnormal. ~°—SCi«*d the color reproduction is abnormal (for example, the

9 " sie pata Nace picture turns red or blue) while receiving PAL and PAL. : PAL. The picture color wit

1 Select the adjustment item using SELECT button on 2 Adjust using the + and — buttons. terminal, press the TV SYSTEM button unl clear 60 playback signal, set to

Ce N i“ sound or normat color is obtained. This setting is become normal. the Remote Commande: (for ANALOG SELECT button on the TV) retained in the program position.

t = So

Qo 9

8 J

+ + SELECT

(on COC) Adjusting SHARPNESS

Contrast and color intensity Color Brightness panies NTSC signal onty)

—p» Turn SHARPNESS clockwise fo Increase sharpness and

et n—~ — ntit~ COL tite counterclockwise to decrease sharpness.

| Balance Treble Bass 7

hadi Le L| T-H Atl: T-L. U-0R

It you change the PIC MODE setting ater making the above adjustments, the adjustment changes according to the PIC MODE setting, and COL (color), BAT (brightness) and HUE return to their original factory settings.

1-8. USING CONVENIENT FEATURES

Selecting the Sound (Stereo or Bilingual) You Want Turning On or Off the On-screen Display

Press the DISPLAY button. Press the A/Q/MTS button until you receive the sound you want.

The sound changes and the corresponding indicator fighis up

as shown in the following table.

6 Ht the signal is very week, the sound becomes monaural. * W the siereo sound is noisy, select “regula” or "mono".

Muting The sound becomes monaural end the nolse wil be reduced.

Press the MUTE button. When receiving German system program

Setting the Sleep Timer —— A : -

The TV wil be turned off after 30, 60, or 90 minules.

Press the SLEEP bution.

—> —> —> SLEEP-30 SLEEP-60 SLSéP-00

Alter 30 minutes Afier 60 minutes After 90 minutes No sleep timer

To cancel the sieep timer Press the SLEEP button until the sleep display disappears.

Setting a MUSIC SURROUND Mode

Set MUSIC SURROUND 0 2 ON during a stereo sound reproduction.

You receive a theatrical audio effect or five concert effeci sound.

This function dees not work for monaural sound.

KV-2566AS /2966AS | RM-8275

2-1. REAR COVER REMOVAL

SECTION 2 DISASSEMBLY

@) Rear cover

>) Four screws

(BVTP 4X16)

@ Two screws y (BVTP 4X16)

eSely 4

2-2. SERVICE POSITION

@D Two special screws (+PW 430)

@ Pull out the chassis assy to the direction shown by the arrow.

| KV-2566AS/2966AS RM-8275

2-3. K BOARD REMOVAL

© Remove K board complete to the

direction shown by the arrow ® .

@ Push two claws to the direction shown by the arrow @) . te

Rear side

KV-2566AS /2966AS RM-827S |

2-4. PICTURE TUBE REMOVAL @ Four tapping screws (7)

™ SS © Two special screws +PW 4X30

©) Picture tube shield assy | ( )

@® C board $2

G) Neck assy | & >

(KV-2966AS ONLY)

© Deflection yoke _ SF @ Chassis assy

©) Picture tube

@ Anode cap

Cushion

¢ REMOVAL OF ANODE-CAP NOTE : Short circuit the anode of the picture tube and the anode cap to the metal chassis,

CRT chield or carbon painted on the CRT, after removing the anode. * REMOVING PROCEDURES

Anode button

@ Turn up one side of the rubber cap in @) Using a thumb pull up the rubber cap @) When one side of the rubber cap is the direction indicated by the arrow @. firmly in the direction indicated by the separated from the anode button, the

arrow ()). anode-cap can be removed by turning up the rubber cap and pulling up it in

the direction of the arrow ©. * HOW TO HANDLE AN ANODE-CAP

@ Don't hurt the surface of anode-caps with sharp shaped material!

@ Don't press the rubber hardly not to hurt inside of anode-caps!

A material fitting called as shatter-hook terminal is built in the rubber.

@ Don't turn the foot of rubber over hardly! The shatter-hook terminal will stick out or

hurt the rubber.

| KV-2566AS/2966AS RM-827S

SECTION 3 SET-UP ADJUSTMENTS

@ The following adjustments should be made when a

complete realignment is required or a new picture

tube is installed.

@ These adjustments should be performed with rated

power supply voltage unless otherwise noted.

The control and switch below should be set as follows

unless otherwise noted :

PICTURE control--------------- normal

BRIGHTNESS control-------- normal

Perform the adjustments in order as follows: CORTESE RSS TSC SSHEH ST EHRHHT HOSES THRE DERE SEERA T HEHEHE HEROS CETTE HHA ETAT RHEE HE TED

Preparations :

@ Feed in the white pattern signal.

@ Before starting degauss the entire screen.

3-1. BEAM LANDING 1. Input the white signal with the pattern generator.

Contrast eacmul

Bightness

2. Position neck ass’y as shown in Fig 3-2. (29 inch only)

3. Set the pattern generator raster signal to red.

4, Move the deflection yoke to the rear and adjust

with the purity control so that the red is at the center and the blue and the green take up equally

sized areas on each side.

(See Fig. 3-1 through 3-3.) 5. Move the deflection yoke forward and adjust so

that entire screen is red. (See Fig. 3-1.) 6. Switch the raster signal to blue, then to green and

verify the condition.

7. When the position of the deflection yoke has been

decided, fasten the deflection yoke with the screws.

8. If the beam does not land correctly in all the

corners, use a magnet to adjust. it. |

(See Fig. 3-4.)

1. Beam Landing

2. Convergence

3. Focus

4. White Balance

Note: Test Equipment Required.

1. Color-bar Pattern Generator

2. Degausser

3. Digital multimeter

Ci i ee

Disk magnets or rotatable disk magnets correct these arears(a-d).

Deflection yoke positioning corrects these areas.

V-~— a

“

od US Hh >

SOS pes

ua a Fig. 3-4 Vw 6.

KV-2566AS /2966AS RM-8275 |

3-2. CONVERGENCE @ Tilt the V.STAT magnet and adjust static

Preparations : convergence to open or close the V.STAT magnet.

@ Before starting perform FOCUS, H.SIZE, V.LIN

and V.SIZE adjustments.

@ Set BRIGHTNESS control to minimum.

~@ Feed in dot pattern.

(1) Horizontal and Vertical Static Convergence

4. When the V.STAT magnet is moved in the direction

of arrow @) and) red, green and blue dots move as

shown below.

(1)

®

1. Adjust H.STAT VR to converge red , green and blue

dots in the center of the screen. (Horizontal

movement)

2. Adjust V.STAT magnet to converge red, green and

blue dots in the center of the screen. (Vertical

movement)

3. If the red, green and blue dots do not coverge in the

center of the screen with H.STAT VR, perform

horizontal convergence adjustment using H.STAT

VR and V.STAT magnet as shown below.(In this case,

H.STAT VR and V.STAT magnet effect each other.) If the blue dot do not Converge with red and green

dots, perform following steps.

eh ne @ HMC and VMC correction for BMC (Hexapole) / , BMC (Hexapole) magnet Magnet.

| KV-2566AS/2966AS RM-827S

1. HMC (Horizontal Miss Convergence) correction and 2. VMC (Vertical Miss Convergence) correction and

motion of the Electron Beam with the BMC motion of the Electron Beem with the BMC

Magnet. Magnet.

HMC correction (A) HMC correction (B) VMC correction (A) |= VMC correction (B)

‘th é * Lio A 3

R 6 8 azp OO O B

A 8 c<O C= D c>o C=D OR R R OR

Cc Cc Cc Cc ° G Sy bes : c* : 3 D "Loa “Los Los 8

@ Before starting perform Horizontal and Vertical 3. Move the deflection yoke for best convergence

static convergence Adjustmet. as shown below. 1. Slightly loosen deflection yoke screw. 4. Tighten the deflection yoke screw.

2. Remove deflection yoke spacers. 5. Install the deflection yoke spacers.

(2) Dynamic Convergence Adjustment Preparations :

(3) Screen -corner Convergence

c Permalloy assembly

KV-2566AS/2966AS RM-827S |

3-3. FOCUS

Adjust FOCUS control for best picture.

3-4. SCREEN(G 2) and WHITE BALANCE

#SCREEN(G2)}

1. Input dots patteren.

2. Set the PIC control at minimum and set the BRT

contro] at maximum.

3. Confirm the BKG voltage is less than 180 Vdc when

turning RV 706 (R.BKG), RV 704 (G._BKG) and RV

702 (B.BKG).

4. Note the color when becomes visible first when

turning RV 708 (SCRN).

[WHITE BALANCE (Cut off)]

1. Input collor bar signl.

2. Set the PIC control to minimum and set the BRT

control at normal.

3. Turn RV 703 (B.DRIVE) and RV 705 (G.DRIVE) |

fully clockwise.

4. Set RV 706 (R.BKG), RV 704 (G.BKG) and RV 702

(B.BKG) to minimum.

5. Turn RV 707 (SUB BRT) slowly to obtain a faintly

visible blue stripe.

6. Switch over all white signal.

7. Adjust BKG controls for best white balance.

8. Set the PICTURE control to maximum. Observe the screen and adjust the DRIVE controls for best white

balance.

9. Repeat steps 7 and 8.

RV 703 B-DRIVE

RV 705 G-DRIVE

RV 702 B-BKG

RV 704 G-BKG

RV 706 R-BKG

RV 707 SUB BRT

RV 701 H. STAT

RV 708 SCREEN

KV-2566AS/2966AS RM-827S

SECTION 4 CIRCUIT ADJUSTMENTS

4-1. A BOARD ADJUSTMENTS

@

RV302 CV4a3

[REF 4.43) CV358

a @ 1301

e

Line crawl} ©

302

ELAY

A board

-component side-

Channel display POSITION ADJUSTMENT (RV001

1. Set PIC control to maximum.

2. Adjust RV001 so that the channel display should

be positioned at up-right on the screen.

A-P+C ADJUSTMENT (CV443

1. Input the PAL color-bar signal.

2. Set the PIC, COL, and BRT controls to normal.

3. Short circuit between pin @ and pin @ of

{C301 with jumper.

4, Adjust CV443 for suitable color intensity.

5. Remove a jumper.

REF OSC 3.58 ADJUSTMENT (CV358) (NTSC 3.58) 1. Short circuit between pin @ and pin @ of IC301

with a jumper.

2. Set the PIC, COL and BRT controls to normal.

3. Input NTSC 3.58 color-bar signal.

4, Adjust CV358 for suitable color intensity.

5. Remove the jumper.

PAL

‘“ @ ,Rvect CH.DIS|

rvsos «6 @ [cH.OIS} Visize] _RVSS1

@

RVS02

RV821

© [Pin cor] RV822

RV825

C CORR

© RVI eg © @

RV823

ANTI PAL, LINE CRAWLING ADJUSTMENT

e ANTI PAL ADJUSTMENT

1. Input PAL color-bar signal.

2. Set the PIC, COL and BRT controls to normal.

3. Connect the oscilloscope to pin @) of A-1 connector.

4, Adjust RV301 (DELAY) and RV302 (PHASE) to obtain the waveform as shown below.

e LINE CRAWLING ADJUSTMENT

wrong right pattern ARN » potiart

1. Input the PAL color-bar signal.

2. Set the PIC, COL and BRT controls to narmal.

3. Connect the oscilloscope to pin @) of A-1 connector.

4. Adjust T301 for minimum line crawling.

T301

KV-2566AS/2966AS | RM-827S

RV822 PIN ANP (PINCUSHION AMPLIFIER) 4-2. F BOARD ADJUSTMENT

OF I-L RV823 PIN PHASE (PINCUSHION PHASE)

F BOARD

-component side-

— RF AGC ADJUSTMENT (iF1

1. Receive a strong off-air signals.

RV821 PIN COR (PINCUSHION CORRECT) 2. Adjust RF AGC VR control so that snow noise

and cross-modulation just disappear from the

-_RV825 C.CORR(CORNER CORRECT)

D-H) RV824 H.SIZE (HORIZONTAL SIZE)

EO) RV503 V.SIZE (VERTICAL SIZE)

| FOIA RVS02 V.LIN (VERTICAL LINEARITY)

Se = CN550 H.CENT (HORIZONTAL CENTER)

CE I-CI RV551 V.CENT (VERTICAL CENTER)

SCHEMATIC DIAGRAM (1)

DIAGRAMS 1 2 3 -~\ oI eee |

CIRCUIT BOARDS LOCATION n

B !

]

Cc

|

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(VidEG/T¥) (CH-} (CH) $005 8004 5003 $002 S800! Py nee el eae

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I Note:

- All capacitors are in uF unless otherwise noted. pF: wuFk

5OWV or less are not indicated except for electrolytics. |

: All rasistors are in ohms.

* £#&A — : internal component. F

- fet : nonflammable resistor.

. []: adjustment for repair. |

+ Indication of resistance, which dose not have one for

rating electrical power, is as follows. |

G Reference information |

RESISTOR : RN METAL FILM

: RC SOLID

: FPRD NONFLAMMABLE CARBON

: FUSE NONFLAMMABLE FUSIBLE {

: RS NONFLAMMABLE WIREWOUND

: RB NONFLAMMABLE CEMENT H

COIL : LF-8L MICRO INDUCTOR

CAPACITOR : TA TANTALUM

: PS STYROL | : PP POLYPROPYLENE

ae ik “MYLAR *

: MPS METALIZED POLYESTER i

: MPP METALIZED POLYPROPLENE 1

: ALB BIPOLAR

: ALT HIGH TEMPERATURE

: ALR HIGH RIPPLE

* All variable and adjustable resistors have characteristic

curve B, unless otherwise noted.

* The components identified by | in this basic schematic J ~ L901”

diagram have been carefully factory-selected for each set bee ek in order to satisfy regulations regarding X-ray radiation.

Should replacement be required, replace only with the A ae

value originally used.

When replacing components identified by |g . make the

nacessary adjustments indicated. If results do not meet

the specified value, change the component identified by K

b4 and repeat the adjustment until the specified value is

achieved.(Refer to R872 adjustment on Page 12, 13.)

When replacing the part in below table, be sure to per-

form the related adjustment.

(HOLD DOWN)

Part replaced ( [g@ ) Adjustment ( $4 )

IC301, Q870, Q871, Q872.

Q873. 0870, 0871, D872,

C327, C328, C857, C861, C870,

C871, C872, C873, C874, C875,

R321, R323, R855, R856, R857,

R870, R871, R872, R873, R874,

R875, R876, R877, R878, R879,

R880, R881, R884, HVR

oe

AC IN —110-240¥

A ps ees " ‘ 0.1 Z80V wes

( Y/C. JUNGLE. H/ VOEF RIPPLE-FILTER 18

AF-OUT. MEMORY. BAND SW

»-CONTROLLER, POWER

* Voltages are dc with respect to ground unless otherwise

noted.

* All voltages are in V.

* Readings ara taken with a 10M Q digital multimeter.

* Readings are taken with a color-bar signal input. * A BOARD WAVEFORM

« Voltage variations may be noted due to normal produc-

tion tolerances.

¢ wmmmms : B+ bus.

* The hold down check point is TP7 on the P Board.

. were» : signal path.

* 3%: Selected to yield optimum performance. 53.Np-p ( H)

“et

Note: The components identified by shading and mark A are critical for safety. Replace only with part number specified.

PAL 0.4Vp-p ( H)

17 16 15 14 13 12 11 10

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VARIABLE RESISTOR

3 j 4 ; i 4 ; i i |

ICO01

ICQ02

ICO03

ICO04

ICO05

IC202

IC203

IC251

IC301

IC551

IC601

IC801

Q003

Q004

Q005

Q006

Q007

QO151

Q153

Q154

Q201

Q202

Q301

Q303

Q305

Q306

Q553

Q554

Q601

Q801

Q802

Q803 Q821

Q851

C-9 D008

Bef DO10

A-8 DO11

CHS DO13

A-Q DOQ20

Pano DO21

Pos D151

GS D152

C3 D153

Eo D154

Pog D155

E-4 D200

D-2 D201

D551

D601

D602

D604

D605

PoOoPrand | |

|

or@d— Ow tat] DO + OD oO Co >rwWowgonnnYos

|

|

“-OpNAN SAR BO

|

©

@ G WO W

|

wo hm 7 —~ — pop O™nNA ceo © V1 OD

Fo ehed

OwoOa1»aetO~YyDODODQDaoqaoawow ~ = wa ouanN

Oo

VARIABLE RESISTOR

DELAY LINE DL30t B=1

IF BLOCK IF201

CRYSTAL X00T = OB=7 x301 7 D-3 X358. 0-2

* A BOARD 10301 CXA1213S

Clamp :

R. -G..B VCC1 GND1

36(36)(34)—~ (47 \mm(48

| | | >(39) R OUT Matrix ;—»} BLK me G OUT

YIN PIC SHARP D.PIC BRT

COL ee C OUT KCC

iN ae : | B OUT | = 2 | S/S |

ACC Filter <a 7 | _ | : BGP O 7 ome C BLK PIN (12) P/N ane) sf BLK GEN. | Bun

P/N |Demod. Clamp sis (11}>s/s PIN ae io eee pees) a4 (28) vec2 HUE aS | 50/60 ,

Phase os ' | | | | ia eae

APC Filter Ora be | O | | ar : ;

X' tal 3.58M , VP/8 + : a ', X' tal 4.43M (8) | 4 |

Le» BGP VP : 3.58/4.48 (9 ) iad V. Syne V. Freq.

Burst Hold Filter = | ID & SW | BGP OUT (20) Gate FBP | VP

Pulse Down

: : - | V Ram

Hor. | Ver. | H S/S IN @1}>} Sync | Hor. AFC Hor. APC | Syne 50/60 1D }» 50/60

|} Sep. | CLK Sep. |

FBP | 4 | | | 50/60

19) 13) —3) VCC3 50/60 OUT GND2

| |

e}-_—_ 42) — Sync OUT AFC VCO GND3 FBP IN HD

Filter

(26)—{27 (21X22) {1 4) Ref. HV V S/S IN

NOTE: The circuit indicated as left contains high voltage of over

600 Vp-p. Care must be paid to prevent an electric shock in

inspection or repairing.

SCHEMATIC DIAGRAM (2)

1 2 3 4 5

¢*K BOARD AVM-1 IVM-2

°K BOARD AVM-2 IAM-1

ANT. AUDIO/ )

VIQEQ INPUT

CO) AUDIO ate (PIN)

I

0) VIDEO (PIN)

TO A BOARD (AK2 1)

TO A BOARS

(A~2)

9 10 11 2: 13

TO PICTURE TUBE COARTING EARTH

TO A BOARD y (A-2)

°C BOARD WAVEFORM

1D) ATURE TUBE

| pez TP7 [dl aa79

ara? 2, 256182 9870 | HV RO24EBZ71N

+. C870 24V-REF

; esa are aaa 6, ak = R880 TA RES

gk 2. 13k a ° | 2872 -

mh TT aVb $S51 19 ees eS {aw fs}#—_ al 2% = REF | 8 | eT aa | qq EA ae ef Sox ga ABL Fs A ff naa

Pe els ar |, | norrk SSR La Bhoskeeizrs ee |e yi soy der

‘@ °°" Ud P=] SOV Q872 {

ld 2502785 AK 873 TO A BOARS - Mle acerron Be! 2541175 bh k et G9) REF. CONTROL

(ABL OF LECT « REE CONT)

D4: See Page 12,13

air masitenne tate heat

AS hage 18, "ANT. AUDIO/ | VIDEO INPUT [ R<GyBYOUT_Is

PRINTED WIRING BOARD (2) |

= CONDUCTOR SIDE=

—C BOARD — shit tpitnedsneasiert ts Hittin tnhnebiasc hemmed neta li en” aire

thee

Asha al SNe HS CO main a beeen toe te ae

spo tsa ea a nas

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iy ihe

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i

é

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i

5 1 | i ; i

i i i

; 4 a

a

| 3 2

;

RARER EERE LES N IEEE DEBE BEES

inane as sented inner tba Aembadbiom teen hinseeei

fi f Es : : ‘ £ t

| i Hi 3 i f 2 £ ES p ri

i ¢ ‘a b : x cs f

epic ws bn regni

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| ABL DETECT. REF CONE]

Sor eee inet i ah ah

ae oa oe i a

ao

5-5. SEMICONDUCTORS

CXA1213S

CXKS864BSP-10L

14191211109 8

'2945t 7?

(Toe view}

KEY-CO0SV-F

LA7016

\ 12345678

LM393P RC4558P ST24C02AB1 TEA2031A

$765

LM1036N

20 18 16 14 12

9]17, 15,139} 19

1234567868910

{Tog view!

L78LROSD-MA

MC14052BCP MC14049UBCP TDA8&444 PD4053BC

16 1514131211 109

12345678

(Tog varw}

MC14066BCP

MC33079P

a

1 4

{Top weve

PCA84C840P/054 TCS011N

{Top view}

RC78LO9A

I RC7812FA

IN

STRA-S5741

TA8662N

LU PC1498H

WW PCS74J

A PC7893HF

| KV-2566AS/2966AS RM-827S

DTA114ES DTC114ES DTC124ES DTC143TS DTC144ES 2S8C3327-A

2SA1175-HFE 28C2785-HFE

2SA1220A-P 2502611 25C2688-LK

detter side

F ca

26A1221-L 2SB734-34 2SC2958-L 2SD774-34

2SA1306A-Y 28C3298B-Y

2802216

28C4927-01

2SK669

3

D4SB60L-F

DSLC20U

KV-2566AS/2966AS : RM-827S

EGP30GL-6072 MC932 SEL1222A-C ERC06-15S RU-1P RU-3AM

fang short

or pearer a cathode

fa

ERD29-08J RUADS

cathode > ~V~ o

RD10ES-B2 anode RO1 oES-B3

RD13ES-B2 RD13ES-B3 RO39ES-B2 ADS.1ES-B2

ae RDS 6ES-B2 2 mee 3 wore RD7.SES-BI

RO7.SES-B3 RD9.1ES-B1

ran RD9.1ES-B2 RD9.1ES-B3 1881193

MCc911

RD10SB1 2 za

tas ee | 123

ANODE

MC921 CATHODE

ee U05G

| KV-2566AS/2966AS RM-827S

SECTION 6

EXPLODED VIEWS

NOTE: * Items with no part number and no des- The components identified by &

cription are not stocked because they B shading and mark A\ are criti- are seldom required for routine service. ‘cal for safety.

* The construction parts of an assembled part are indicated with a collation

number in the remark column.

* Items marked " *" are not stocked since they are seldom required for routine service. Some delay should be anticipated when ordering these items.

e Replace only with part number 4 # specified. '

6-1. CHASSIS

@ : BVTP 3x12 7-685-648-79

@: BVTP 4x16 7-685-663-79

BV 3x25 7-685-152-1939

REF .NO. PART NO. DESCRIPTION REMARK (REF .NO. PART NO. DESCRIPTION REMARK ane Ssiga hat cseiali ah eae sesieiing iaiiers aie al No

1 #]-644-571-12 -H BOARD 1 LD v1-574-358=21-CORD, “POWER “QBTTH CONNECTOR). 2 ¥*4-394-974-01 CASE (BOTTOM LID), SHIELD + 12 4~319-520-11 SCREW, SPECIAL (+PW4X30) 3.- *A-1297-054-A A BOARD, COMPLETE (K¥-2566AS) | 13 ¥*1~557-056-31 CABLE, P-P

*A-1297-035-A A BOARD, COMPLETE (KY- 2966AS) | 14 ¥*1-555-400-00 CABLE, PIN “hf 4-863-848-11 TUNER, vty BT per bgoA ) 4) 15 #h-1245-491-A F cPOARD, COMPLETE 5 A 1-439-416-41 TRANSPORMER ASSY, FLYBACK (WX-1604) 9°! 16 *1-034-621-11 6 4-037-247-01 PUSH BUTTON 1 417 ‘A 1-363-204-13- SOCKET. "ANTENNA (PAL). 7 X-4030-526-1 BUTTON ASSY, POWER 8 ; 18 #A-1385-133-A XK BOARD, COMPLETE (KY- its 8 4-864-307-00 RING *A~1385-125-A K BOARD, COMPLETE a 9 #4-397-43}-01 COVER, HOLDER, LED ; 19 4-038-219-01 COVER, REAR {KV-2566AS)

10 4 4-389-778-O1 HOLDER, “AC CORD 3 : zl 4-037-257-01 COVER, REAR (KV-2966AS)

KV-2566AS/2966AS ne RM-827S 6-2. PICTURE TUBE

66 fs 1-452-509- 42

REF.NO. PART NO. DESCRIPTION

1

51 X-4030-784-1 CABINET ASSY (WITH BEZEL ASSY) 52-59 | 67 (KV-2566AS) | 68

X-4030-608-5 CABINET ASSY (WITH BEZEL ASSY) 52-59 | -2966AS);; 69

52 4-038-254-01 GRILLE {i SPEAKER (KV-2566AS) 4-037-263-01 GRILLE L) SPEAKER (KV~-2966AS) ' 70

53 4-392-036-01 PUSH 54 X-4030-708-2 DOOR Assy. CONTROL (KV-2566AS) 7

X¥-4030-528-8 DOOR ASSY, CONTROL (KV¥-2966AS) ae 55 — 4-032-761-01 SHAFT (5S), DOOR ne er 56 #4-389-517-01 GUIDE (R), LIGHT pee 57 4-038-253-01 GRILLE (R), SPEAKER (KV-2566AS) 1 73

4-037-262-01 GRILLE (R), SPEAKER (KV-2966AS) 58 4-037-255-01 BUTTON, MULT! | 74 59 = 4~037-253-21 PANEL, CONTROL | 75 60 1-503-902-11 SPEAKER | 76 61 #4-379-189-01 CUSHION, SPEAKER oa 62 4-379-192-01 SCREW, TAPPING, STEP 1 78 63) | A 8-733-230-05.. PECTURE* TUBE {A593UB1X) “(RV-2566AS) Af 79 _. . &y8-733=834-05> PECTURE “TUBE: (AGSTYKIIX)-“(KV-2966AS)- | 80 64 — 3-704-495-01 SPACER, DY i 65. A i-G51-311-31 -DERLECTTON ore “(Y25FXA). ey 06k “4 8]

Ay 1-451-313-31 BERLECTION YOKE--(Y29FXA) -{KY-2966A3) j 82 4 | t

: BVTP 3x 12 7-685-648-79

NECK ASSY, Picts ‘TURE. ‘- *(RV-29668S)

© \ KV-2965AS

7)’

REMARK iREF . NO. PART NG.

— 44 —

*A-1342-195-A *A-1331-243-A *A~1331-073-A #4~379-167-01 +4-390-911-01 +4~379-160-01 +4-390-907-01 4-303-774-99

, £7369-318-00

1-452-094-00 X~4309-608-0 X-4387-214-1] 3-701-007-00 1-503-486-11

(KV-2966AS)

[The components identified by

; Replace only with part number 4

‘specified.

DESCRIPTION

V4 BOARD, COMPLETE (KV-2966AS) C BOARD, COMPLETE (KV-2566AS) C BOARD, COMPLETE (K¥-2966AS) COVER (MAIN), CV (KV-2566AS) COVER (MAIN), CV (K¥-2966AS) COVER (REAR LID), CV (KV-2566AS) COVER (REAR LID), CY (KY-2966AS) SPRING (K¥-2566AS)

SPRING, TENSION (KV-2966AS) COLL; “DENAGHETIZAT | AKY-256645)

‘ON -(2V-2966AS). pind ‘DEMAGHETIZATION © HEET, BLOTTING (XV- 256648)

SHEET. BLOTTING (KY-2966AS HOLDER, LEAD HOLDER, LEAD a oe SCREW (7), TAP CLIP, LEAD WIRE MAGNET, DISK; 10MM ¢ MAGNET, ROTATABLE DISK; 150M M ¢ PERNALOY ASSY, CONVERGENCE (KV-2566AS) PERMALOY ASSY, CORRECTION BAND, BINDING SPEAKER (PIEZOELECTRIC TWEETER)

(KY- 2966S)

| KV-2566AS/2966AS RM-827S

6-3. SPEAKER

@ : 8VTP 3x12 7-685-648-79

M: BVTP 4x16 7-685-663-79

[ : BVTP 4x12 7-685-661-14

REFNO. PART NO. DESCRIPTION REMARK {REF.NO. PART NO. DESCRIPTION REMARK 0 ae ee ee ee ee ee ee a atc lee a eh I en oe ee ee See et ee ee te Eh et A eh 8 ee oe

102 ¥-4030-531-1 COVER ASSY, TOP (KV¥-2966AS) 105 4-037-240-11 STOPPER (KVY-2966AS)

t

101 #4-1500-412-A BOX ASSY, SP (K¥-2966AS) 102~106 | 104. = 1-575-109-11 CORD, CONNECTION (KV-2966AS)

103 1-544-363-11 SPEAKER (10CM) (KV-2966AS) ! 106 = 4~037-244-01 FOOT (KV-2966AS)