Table of Contents
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MAIN PWB CIRCUIT DIAGRAMS (2/3, 3/3) [AV-21D83
Y904
F901
!
BW
4A
QMF51E2-4R0J4
Y903
BW
!
AC120V-240V
50/60Hz
PW
!
S901
LF901
!
X
CN0PW
QSW0846-001
VA901
QGAB801F1-02
QAF0052-621
!
Y902
BW
!
C906
QFZ9072-224
R915
Y901
BW
QRZ0111-474
!
C901
QFZ9075-224
!
LF902
QQR1035-001
Y906
X
Y907
X
!
C902
QFZ9075-104
R902
Y918
X
R917
X
QRF154K-2R2
15W,UNFR
Y917
X
Y910
X
Y911
Y916
BW
X
Y915
X
Y912
BW
Y914
BW
Y913
BW
R908
33K
3WOMR
QRL039J-333
QCZ9015-102Z
K901
BW
IC901
STR-F6707A/F7
K903
C911
D904
QQR1114-001Z
0V
220/25
EG01C-T2
19.4V
302.2V
0.6V
D906
2.1V
EG01C-T2
ERC30-02L38
D902
X
D903
RGP10J-TS-T3
MTZJ12C-T2
C910
470p
NDC21HJ-471X
D908
MTZJ27B-T2
D909
∗2
QFLB1HJ-222
D910
0
MAIN PWB ASS'Y ( 2/3 )
SCH-1315A-CK (AV-21D83
SCH-1316A-CK (AV-20N83
∗
∗
DIFF ERENCE LIST (
PARTS )
V01
L01
!
!
SCH-1315A-CK
A51JSW51X07
QQW0157-001
SCH-1316A-CK
A48JLL91X01
QQW0156-001
No.52076
, AV-20N83
]
/VT
/VT
DEG COIL
CNDEG
QGZ5003C1-02
IC401
1
IC401
3
0.8Vp-p(V)
30Vp-p(V)
TH901
QAD0134-4R5
IC401
2
IC401
6
1.0Vp-p(H)
32Vp-p(H)
!
C993
400VAC
QCZ9079-152
!
R991
8.2M
QRZ9046-825Z
!
RY901
QSK0092-001
D968
∗2
C980
R966
8.9V
100/16
6.8K
Y909
Q954
0V
X
∗1
R967
D969
47K
∗2
Y908
X
!
C992
QCZ9079-102
!
C991
QCZ9079-102
LIVE
D901
ISOLATED
GSIB460
C952
!
!
T901
QCB32HK-471
CP951
D971
QQS0182-001
ICP-N75-Y
∗2
CP
D952
5.1V 5.0V 9.0V
ERC30-02L38
K951
R972
C905
∗8
390
C953
1000/35
C907
220/400
QEZ0552-227
C961
2.2/50
R909
470K
1/2W
C955
C954
R960
X
.001
390
CP952
K953
X
X
D953
X
K902
CP
QQR1114-001Z
C957
!
C956
QCB32HK-471
CP953
X
R907
K954
ICP-N75-Y
56K
D907
R969
∗8
MA3150/M/-X
BW
C914
CP
220/25
R904
D954
680
1/2W
RGP30B-F1
C958
2200/25
D914
R905
QRM034J-R22
R906
2WMFR
X
Y951
D911
R913
X
12
1/2W
L951
K955
46
QQR1214-001Y
QQLZ034-460
C917
D912
X
1SS133-T2
D956
RU3AM-LFC4
R912
C960
1.2K
100/160
C959
560p
2KV
QCZ0364-561
C915
R910
1.5K
1/2W
C916
R952
X
3.3K
R911
5.6K
1/2W
R962
560
!
C978
PC901
R953
0.1
PC123F2
100
NCB21HK-104X
R963
D966
10K
1/2W
MA3068/M/-X
Q953
∗1
5.8V
0V
Q952
R970
∗1
0V
R965
0.6V
15K
0
C979
R964
X
47K
0V
R971
18K
Q521
B
Q522
B
T551
6
T551
1.7Vp-p(H)
2.1Vp-p(H)
101Vp-p(H)
120Vp-p(H)
Q521
C
T551
9
T551
28Vp-p(H)
7.8Vp-p(V)
240Vp-p(H)
)
/VT
)
/VT
R413
R414
C524
C527
3.3¸
22¸
9000pF
0.56µF
3.9¸
39¸
9400pF
0.12µF
AV-21D83
AV-21D83
AV-20N83
AV-20N83
PROTECT
D408
R425
D401
∗2
RGP10J-5025-T3
68K
R401
C401
220K
1/50
STB
IC401
AN5522
H_DRIVE
32V
9V
5V
0.5V 13.7V -13.7V -14.7V
0.7V
13.8V
0.5V
R403
8V
0
A.VCC
C407
R402
C403
X
220/35
9V
QEHR1VM-227Z
C402
C404
3.3V_STB
6800p
X
D405
1N4003-T2
5V_STB
D402
MTZJ75-T2
C406
C422
.068/100
1000/35
QFLC2AJ-683Z
C408
0.18
P_ON/OFF
IC401
52Vp-p(V)
R407
X
IC974
AN80T36
IC401
5.1V 9.9V 5.1V
0.8Vp-p(V)
L954
QQL242K-5R6
5V
C969
C968
C973
C977
X
.1
100/16
470/10
C965
5V_STB
2.2/50
IC972
R1141Q331B-X
8V
3.3V_STB
C964
C962
47/16
10/50
R410
C409
R409
12K
X
X
8V
R957
R411
C974
C972
C411
6.8
220
.1
47/35
1/2W
NCF21HZ-334X
R413
∗
R486
C412
X
L953
NCF21HZ-334X
QQL242K-5R6
C413
R414
9V
.056/100
∗
R412
R485
MY
X
C975
C976
1
220/16
100/16
1/2W
9V
32V
C484
X
R961
R487
C485
18K
X
D964
X
MA3330/L/-X
QRL029J-183
R489
A.VCC
X
R490
STB
X
H_DRIVE
D965
1SS133-T2
135.4V
R524
22
9.9V
QRL039J-220
0V
C521
47/35
IC951
T521
SE115N-LF12
CE40203-00CJ1
Y503
X
Q521
C550
2SC2655/Y/-T
Y504
BW
.1
9.3V
C522
0V
.0033
MY
Y505
X
R521
R522
D550
∗2
100
1K
7
2
2-11
2-12
R350
150
139.7V
R351
3.4V
Q350
TO
T
STC344-T
X
MAIN
2.9V
PWB
CN00T
R353
1.8K
C360
C351
470p
680p
D360
R539
R355
1SS244-T2
100
X
R538
X
D361
Q524
138.4V
D595
X
CN10T
D358
R360
∗2
3.4V
Q360
X
R537
D596
QJL001-065631
150
STC344-T
X
X
2.9V
R384
Q523
R361
X
10K
X
R536
C538
R363
X
X
1.8K
D593
D594
R535
X
X
X
Q374
1%
∗1
C537
MF
R534
C539
X
X
R365
X
R405
Q375
100
1% MF
6.8K
∗1
R404
X
Q376
R377
∗1
33
132.6V
R406
12K
R370
3.5V
D374
150
∗2
W-K
W-K1
R378
D373
22K
∗2
R368
0V
R385
D357
3.3K
8.9V
39K
1/4W
Q352
∗2
∗6
8.9V
R372
D353
1.8K
∗2
R373
C353
R379
R359
330
100/50
10K
D352
560
RGP10J-5025-T3
1/2W
5
R369
R358
C354
!
2.7K
QRZ9017-150
1/2W
1/50
7
L524
QQLZ018-760
FR
R533
X
Y731
X
R408
6.8K
R590
X
R480
C480
X
X
C535
D480
100p/500
R481
R482
X
QCB32HK-101Z
X
X
R532
C536
!
C481
.01
4.7
R531
X
QRZ9017-4R7
2.2K
R484
X
R483
X
R530
D524
X
X
IC480
C534
R492
X
X
R529
X
.47
C533
D553
1000/25
RGP10J-5025-T3
QEHQ1EM-108
R491
R493
X
R494
X
X
L480
X
C532
X
R528
.47
C483
D554
X
C531
RGP10J-5025-T3
1000/25
Q480
QEHQ1EM-108
X
14.5V
C527
-0.1V
∗
Y508
X
D521
Y507
X
R545
C525
X
X
22
C528
L523
1/2W
X
QRT029J-1R5
QQR1005-002
R596
1.8
Q522
H.OUT
D523
2SD2634-YD
D522
RGP10J-5025-T3
X
C530
R543
C524
C526
∗
X
QCB32HK-561
470
C529
1/2W
4.7/250
R527
R526
10K
180
QRL039J-103
C592
C523
QEZ0203-107
.022
QFLB1HJ-223
Y509
BW
T551
4
T551
8
T551
10
Y501
25Vp-p(H)
54Vp-p(H)
1050Vp-p(H)
BW
Y502
X
HV
CN0HV
QGZ5003C1-04
!
DEF YOKE
(INCLUDED IN PICTURE TUBE)
No.52076
C350
R352
470p
12K
L350
R357
BW
1.5K
D350
R356
!
!
1/2W
1SS244-T2
1K
SK351
V01
QNZ0537-001
∗
D351
136.7V
X
139.8V
CRT SOCKET
Q351
B
2SA1321-T
6.7V
G
R
R362
12K
L351
BW
R366
R367
1K
1.5K
1/2W
138.4V
X
Q361
2SA1321-T
6.7V
!
SK351
QNZ0537-001
TP-E
R371
C361
680p
12K
SC
C373
C374
X
C370
.0022
470p
R375
1.25KV
L352
R376
1K
QCZ0364-222
1/2W
BW
1.5K
D370
1SS244-T2
MAIN (CRT SOCKET)
D371
130.5V
X
132.6V
PWB ASS'Y (3/3)
Q371
2SA1321-T
C352
SCH-1315A-CK
6.7V
4.7/250
3.0V
Q370
(AV-21D83
)
/VT
STC344-T
L353
BW
SCH-1316A-CK
(AV-20N83
)
R383
/VT
390K
1/2W
C371
680p
C372
R374
27K
100
D372
MA3075/M/-X
CN10U
U
CHGC04-400-G
CN00U
CHGC04-400-G
U
!
T551
QQH0142-001
FBT
R541
120K
1/2W
C540
R542
.1
270K
1/2W
R546
8.2K
!
R540
1/2W
4.7
1W
L540
D551
BW
C542
C541
RGP10J-5025-T3
22/250
22/250
CN00S
QGA2501C5-05Z
FOR ADJ.
CONNECTOR
R591
R597
2.2K
1.5
1/2W
C591
R593
100/10
X
135.0V
135.4V
Q591
0V
2SA1208/ST/Z1-T
R594
D592
22K
5.1V
MA3075/H/-X
1/2W
0V
Q592
UN2212-X
R595
C593
2.2K
47/25
NOTE
∗
1:
2SD601A/QR/-X
∗
2:
MA111-X
∗
6:
2SB709A/QR/-X
∗
8:
QQR1113-001Z
BW:
BUS WIRE
X:
NON MOUNT
(OPEN)
0:
NRSA02J-0R0X
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