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SERVICE MANUAL

COPYRIGHT © 2005 Victor Company of Japan, Limited

No.YA340

2005/11

COLOUR TELEVISION

YA340

2005

11

AV-21V115

/B

TABLE OF CONTENTS

1

PRECAUTION. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-3

2

SPECIFIC SERVICE INSTRUCTIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-4

3

DISASSEMBLY . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-6

4

ADJUSTMENT . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-12

5

TROUBLESHOOTING . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-26

BASIC CHASSIS

CW

1
2
3
...
»

Summary of Contents for AV-21V115/B

Page 1: ...or Company of Japan Limited No YA340 2005 11 COLOUR TELEVISION YA340 2005 11 AV 21V115 B TABLE OF CONTENTS 1 PRECAUTION 1 3 2 SPECIFIC SERVICE INSTRUCTIONS 1 4 3 DISASSEMBLY 1 6 4 ADJUSTMENT 1 12 5 TROUBLESHOOTING 1 26 BASIC CHASSIS CW ...

Page 2: ...ck whether the setting values of the SYSTEM CONSTANT SET are the same as those indicated in Table 1 If the value is different select the setting item with the MENU key and set the correct value with the MENU key 4 Press the DISPLAY key twice to return to the normal screen 5 Receive channel setting Refer to the OPERATING INSTRUCTIONS and set the receive channels channels preset 6 User setting Check...

Page 3: ... BLUE BACK MUTE COLOUR AUTO ECO SENSOR SURROUND PICTURE BOOSTER COMPONENT PIP S INPUT THAI NO NO NO MONO YES NO NO NO NO NO NO NO Setting item Setting content Setting value YES NO YES NO YES NO YES NO YES NO YES NO YES NO STEREO PB MONO YES NO YES NO YES NO YES NO YES NO SINGLE NO PAT MULTI TRIPLE PAL THAI NO LANGUAGE E T NO E T ...

Page 4: ...VORITE CH RED PR01 FAVORITE CH GREEN PR02 FAVORITE CH YELLOW PR03 FAVORITE CH BLUE PR04 Setting item Setting value 1 IF 1 VCO 2 DELAY POINT 2 V C 1 SCREEN DATA 2 CUTOFF B G 3 WDR R G B 4 BRIGHT TV VDO 1 2 5 CONT TV VDO 1 2 6 COLOUR TV VDO1 2 7 TINT TV VDO 1 2 8 SHARP Do not adjust 9 Y DELAY Do not adjust 10 TINT DVD Do not adjust 11 AMP T SHARP 3 AUDIO Do not adjust 1 DCXO ADJ 2 NICAM lower ERRLIM...

Page 5: ... R J809 HEADPHONE MAIN PWB CRT SOCKET R G B V01 IC351 RGB OUT V H DY01 DEF YOKE 1 8V V1 8V IC702 MAIN MEMORY VIF IN SIF DETECT VIDEO IDENT AUDIO CONTROL COMB FILTER Y DELAY ADJ COLOUR DEMOD SYNC SEP H DRIVE VIF DETECT AGC AFT SOUND TRAP DIGITAL SIGNAL PROCESS PEAKING SCAN VELOCITY MOD U V DELAY RGB MATRIX GAMMA AUDIO SELECT VIDEO SELECT I O PORT AUDIO SELECT V1 V3 L1 L3 VOUT LOUT 24 25 58 51 49 34...

Page 6: ... C781 C782 R762 R763 R764 R765 R712 C735 R752 D703 D702 D704 L003 C982 K101 R311 R314 R313 R315 R316 R317 R772 R777 IC702 R748 R784 R739 C743 W B CF701 D711 D712 C744 C745 R740 R776 C783 C791 R768 Y707 R773 C741 LC805 C727 Q702 R723 1 22 47 16 10 4 4 4 100 16 0047 1 1 1 1 2K X X 1 1 1 1 1 0 X X 4 3 47 16 X 220 X 220 470 16 1 0 1K 01 18p 0 X 1 X 27K X X BW BW 75 X 10 50 X 8 X 22 3 2 X X X X X X X X...

Page 7: ...29 R523 R423 R432 Y908 Y905 Y906 R973 Y907 C526 HFB ABL C524 R472 H_DRIVE Y904 Y902 R922 R929 D929 Y901 STB1 CN0E1 CN0E2 BL_GND L952 12V Y903 D970 R355 R356 R357 R351 R354 R353 P_ON OFF R352 R381 R933 R380 R420 V_SHIFT C351 C353 D370 L351 D354 D355 D356 Q373 Q372 Q371 Q401 C422 FR901 PROTECT D351 Y912 Y975 Y974 Y911 3 3V_STB TP E A_GND TP 47B TP 47G TP 47R A_VCC D931 D980 Q980 R350 D350 8V 5V 32V ...

Page 8: ...1 23 2 8Vp p V V IC701 67 3 6Vp p H IC701 74 1 3Vp p H IC701 66 5 4Vp p H H IC701 87 2 4Vp p H IC701 48 2 0Vp p H T522 2 240Vp p T522 3 32Vp p H H 240Vp p H T522 5 T522 7 55Vp p H T522 9 3 0Vp p H Q522 C 960Vp p H Q521 B 2 0Vp p Q521 C 34Vp p H Q522 B 100Vp p H H IC351 7 100Vp p IC351 8 130Vp p IC351 9 150Vp p H IC701 85 2 2Vp p IC701 86 1 8Vp p H H 0 2us div 0 2us div H ...

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