JVC AV-21YMG4/WSK, AV-21YMG4/XSK Service Manual

SERVICE MANUAL

COLOUR TELEVISION

YA126F20054

BASIC CHASSIS

AV-21YMG4/WSK,

CW

AV-21YMG4

AV-21YMG4/WSK and AV-21YMG4/XSK are the models whose production place was changed based on AV­21YMG4/G.
Therefore, this service manual describes only the items which differ from those of the AV-21YMG4/G service
manual.
For details other than those described in this manual, please refer to the AV-21YMG4/G service manual
(No.YA126, 2004/9).

/XSK

HOW TO IDENTIFY MODELS

"21YMG4WA-SK" and "21YMG4XA-SK" are added at the bottom of the Rating label.

AV-21YMG4

Indicated

21YMG4WA-SK

21YMG4XA-SK

COPYRIGHT © 2005 Victor Company of Japan, Limited

No.YA126F

2005/4

DIFFERENCE LIST

USING P.W. BOARD (Page 3-3)

P.W.B ASS'Y Name AV-21YMG4/G AV-21YMG4/WSK DESCRIPTION

MAIN P.W.B SCW-1312A-H2 SCW-1400A-H2 Non compatible

P.W.B ASS'Y Name AV-21YMG4/G AV-21YMG4/XSK DESCRIPTION

MAIN P.W.B SCW-1312A-H2 SCW-1402A-H2 Non compatible

EXPLODED VIEW PARTS LIST-1 (Page 3-3)

Part No.

Ref. No.

100 GG10250-017A-H GG10250-017A-HK FRONT CABINET ASS'Y Inc.101/102/103

AV-21YMG4/G

AV-21YMG4/WSK

AV-21YMG4/XSK

EXPLODED VIEW PARTS LIST-2 (Page 3-4)

PART NAME DESCRIPTION

Ref. No.

V01 A51LZM10X A51KQK99X01 PICTURE TUBE Inc. DEF YOKE/PC MAGNET/WEDGE

DY01 QQD0118-001 --- DEF YOKE DELETE

L01 QQW0006-001 QQW0077-001 DEG COIL

16 QAL0608-001 --- PC MAGNET DELETE

17 QAL0624-001 --- WEDGE DELETE

13 GG10242-006A-H GG10242-006A-HK REAR COVER

30 SCW-1312A-H2 SCW-1400A-H2 MAIN PWB

Ref. No.

V01 A51LZM10X A51KQK99X01 PICTURE TUBE Inc. DEF YOKE/PC MAGNET/WEDGE

DY01 QQD0118-001 --- DEF YOKE DELETE

L01 QQW0006-001 QQW0077-001 DEG COIL

16 QAL0608-001 --- PC MAGNET DELETE

17 QAL0624-001 --- WEDGE DELETE

13 GG10242-006A-H GG10242-006A-HK REAR COVER

30 SCW-1312A-H2 SCW-1402A-H2 MAIN PWB

AV-21YMG4/G AV-21YMG4/WSK

AV-21YMG4/G AV-21YMG4/XSK

Part No.

Part No.

PART NAME DESCRIPTION

PART NAME DESCRIPTION

1-2 (No.YA126F)

PRINTED WIRING BOARD PARTS LIST

MAIN P.W. BOARD ASS'Y (Page 3-6)

Part No.

Ref. No.

SCW-1312A-H2 SCW-1400A-H2

D351 EU01N-T2 FR105SGT-T2 SI DIODE

C526 --- QFZ0200-962 MPP CAPACITOR 9600pF 1.5kV H

C582 QFZ0199-564 QFZ0197-374 MPP CAPACITOR 0.37uF 250V J

R432 QRE121J-3R9Y QRE121J-4R7Y C RESISTOR 4.7Ω 1/2W J
R904 --- QRL039J-151 OMF RESISTOR 150Ω 3W J

R984 NRSA63J-153X --- MG RESISTOR DELETE

L551 QQLZ026-320 QQLZ026-360 COIL 36uH ±7%

Part No.

Ref. No.

SCW-1312A-H2 SCW-1402A-H2

D351 EU01N-T2 FR105SGT-T2 SI DIODE

C526 --- QFZ0200-962 MPP CAPACITOR 9600pF 1.5kV H

C582 QFZ0199-564 QFZ0197-374 MPP CAPACITOR 0.37uF 250V J

R432 QRE121J-3R9Y QRE121J-4R7Y C RESISTOR 4.7Ω 1/2W J
R904 --- QRL039J-151 OMF RESISTOR 150Ω 3W J

R984 NRSA63J-153X --- MG RESISTOR DELETE

L551 QQLZ026-320 QQLZ026-360 COIL 36uH ±7%

PART NAME DESCRIPTIONAV-21YMG4/G AV-21YMG4/WSK

PART NAME DESCRIPTIONAV-21YMG4/G AV-21YMG4/XSK

PACKING PARTS LIST (Page 3-22)

Ref. No.

1 GG10284-023A-H GG10268-004A PACKING CASE

2 GG10243-001B-H GG10243-003A CUSHION ASS'Y 4pcs in 1set

Ref. No.

1 GG10284-023A-H GG10056-098A-H PACKING CASE

AV-21YMG4/G AV-21YMG4/WSK

AV-21YMG4/G AV-21YMG4/XSK

Part No.

Part No.

PART NAME DESCRIPTION

PART NAME DESCRIPTION

(No.YA126F)1-3

SECTION 1

PRECAUTION

Please refer to "AV-21YMG4/G (No.YA126)" about this section.

SECTION 2

SPECIFIC SERVICE INSTRUCTIONS

Please refer to "AV-21YMG4/G (No.YA126)" about this section.

SECTION 3

DISASSEMBLY

Please refer to "AV-21YMG4/G (No.YA126)" about this section.

SECTION 4

ADJUSTMENT

Please refer to "AV-21YMG4/G (No.YA126)" about this section.

SECTION 5

TROUBLESHOOTING

Please refer to "AV-21YMG4/G (No.YA126)" about this section.

Victor Company of Japan, Limited
AV & MULTIMEDIA COMPANY DISPLAY CATEGORY 12, 3-chome, Moriya-cho, Kanagawa-ku, Yokohama-city, Kanagawa-prefecture, 221-8528, Japan

(No.YA126F)

Printed in Japan

VPT