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SERVICE MANUAL
COPYRIGHT © 2003 VICTOR COMPANY OF JAPAN, LTD.
No.52011C
2003/01
AV-21WS3
AV-21WX3
AV-2178TEE
COLOUR TELEVISION
52011C
2003
01
AV-21WS3/EAU
AV-21WX3/E-A
AV-2178TEE/E
The following items for the AV-21WS3/EAU, AV-21WX3/E-A, AV-2178TEE/E model were changed partly
from AV-21WS3/AU, AV-21WX3/-A, AV-2178TEE model.
Therefore, this service manual describes only the items which differ from those of the AV-21WS3/AU, AV-
21WX3/A, AV-2178TEE model service manual.
For details other than those described in this manual, please refer to the AV-21WS3/AU, AV-21WX3/A, AV-
2178TEE model service manual (No.52011, Oct. 2002).
OUTLINE
HOW TO IDENTIFY MODELS
Since the picture tube was changed, we have issued the SERVICE MANUAL for AV-21WS3/EAU, AV-21WX3/E-
A, AV-2178TEE/E.
"AV-21WS3/EAU", "AV-21WX3/EA", "AV-2178TEE/E" is added to the serial No. under at the Rating label.
Indicated
SERIAL No.
MODEL
AV-21WS3AU
AV-21WX3A
AV-2178TEE
AV-21WS3/EAU
AV-21WX3/EA
AV-2178TEE/E
BASIC CHASSIS
CH
Supplementary


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(No.52011C)
AV & MULTIMEDIA COMPANY DISPLAY CATEGORY 12, 3-chome, Moriya-cho, kanagawa-ku, Yokohama, kanagawa-prefecture, 221-8528, Japan
VICTOR COMPANY OF JAPAN, LIMITED
200301WPC
Printed in Japan
AV-21WS3
AV-21WX3
AV-2178TEE
DIFFERENCE LIST
USING P.W. BOARD (Page 41)
EXPLODED VIEW PARTS LIST - II
EXPLODED VIEW - II (Page 42)
PRINTED WIRING BOARD PARTS LIST
MAIN PW BOARD ASS'Y (Page 44 ~ 47) [AV-21WS3/EAU]
MAIN PW BOARD ASS'Y (Page 50 ~ 53) [AV-21WX3/E-A] [AV-2178TEE/E]
Model
P.W.B ASS'Y
AV-21WS3/AU
AV-21WS3/EAU
DESCRIPTION
MAIN PWB
SCH-1094A-H2
SCH-1138A-H2
Non compatible
Model
P.W.B ASS'Y
AV-21WX3/-A
AV-21WX3/E-A
DESCRIPTION
MAIN PWB
SCH-1077A-H2
SCH-1137A-H2
Non compatible
Model
P.W.B ASS'Y
AV-2178TEE
AV-2178TEE/E
DESCRIPTION
MAIN PWB
SCH-1110A-H2
SCH-1139A-H2
Non compatible
Ref. No.
PARTS No.
PARTS NAME
DESCRIPTION
AV-21WS3/AU
AV-21WX3/-A
AV-2178TEE
AV-21WS3/EAU
AV-21WX3/E-A
AV-2178TEE/E
V01
A51LVV896X
A51QDX992X
PICTURE TUBE
DY01
QQD0082-001
QQD0095-001
DEFLECTION YOKE
Symbol
No.
PARTS No.
PARTS NAME
DESCRIPTION
SCH-1094A-H2
SCH-1138A-H2
R1358
QRE121J-272Y
QRE121J-182Y
C R
1.8k
1/2W J
R1414
QRE121J-120Y
QRE121J-270Y
C R
27
1/2W J
C1374
QCZ0364-222
QCZ0364-681
C CAP.
680pF
C1524
QFZ0200-632
QFZ0200-612
MPP CAP.
6100pF 1.5kV H ±3%
C1525
QFZ0196-382
QFZ0200-342
MPP CAP.
3400pF 1.5kV H ±3%
C1972
QEHR1VM-476Z
QEHR1VM-108Z
E CAP.
1000µF 35V M
L1524
QQLZ034-320
QQLZ034-220
COIL
22µH
Symbol
No.
PARTS No.
PARTS NAME
DESCRIPTION
SCH-1077A-H2
SCH-1110A-H2
SCH-1137A-H2
SCH-1139A-H2
R1358
QRE121J-272Y
QRE121J-182Y
C R
1.8k
1/2W J
R1414
QRE121J-120Y
QRE121J-270Y
C R
27
1/2W J
C1374
QCZ0364-222
QCZ0364-681
C CAP.
680pF
C1524
QFZ0200-632
QFZ0200-612
MPP CAP.
6100pF 1.5kV H ±3%
C1525
QFZ0196-382
QFZ0200-342
MPP CAP.
3400pF 1.5kV H ±3%
C1972
QEHR1VM-476Z
QEHR1VM-108Z
E CAP.
1000µF 35V M
L1524
QQLZ034-320
QQLZ034-220
COIL
22µH