Table of Contents
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MAIN PWB CIRCUIT DIAGRAMS (2/3, 3/3) [AV-20N83
!
AC120V-240V
Y904
F901
BW
50/60Hz
!
4A
POWER CORD
QMF51E2-4R0J4
Y903
BW
!
QAD0134-4R5
PW
S901
LF901
!
X
CN0PW
QSW0846-001
VA901
QGA7901F1-02
QAF0052-621
!
Y902
C906
BW
!
QFZ9072-224
R915
Y901
BW
QRZ0111-474
!
C901
QFZ9072-224
!
LF902
QQR1035-001
Y906
Y909
X
X
Y907
Y908
X
X
!
C902
QFZ9072-104
R902
Y918
X
R917
X
QRF154K-2R2
D901
15W,UNFR
GSIB460
Y917
X
Y910
X
Y916
BW
Y911
X
Y915
X
Y912
BW
Y914
BW
Y913
BW
R908
33K
3WOMR
C905
QRL039J-333
QCZ9015-102Z
C907
220/400
K901
QEZ0552-227
BW
R909
470K
1/2W
IC901
STR-F6707A/F7
K903
C911
D904
QQR1114-001Z
QQR1114-001Z
220/25
EG01C-T2
0V
19.4V
R907
D907
56K
C914
MA3150/M/-X
302.2V
220/25
R904
680
1/2W
0.6V
D906
D914
2.1V
EG01C-T2
ERC30-02L38
D902
X
R906
X
D911
R913
D903
RGP10J-TS-T3
12
MTZJ12C-T2
C910
470p
NDC31HJ-471X
C917
D912
D908
X
1SS133-T2
MTZJ27B-T2
R912
D909
1.2K
∗2
R910
C915
QFLC1HJ-222Z
1.5K
1/2W
R911
D910
5.6K
0
1/2W
MAIN PWB ASS'Y ( 2/3 )
SCH-1090A-BK (AV-20N83
SCH-1122A-BK (AV-21D83
∗
∗
DIFF ERENCE LIST (
PARTS )
DY01
V01
L01
!
!
!
SCH-1090A-BK
QQD0081-001
A48LWX10X
QQW0156-001
SCH-1122A-BK
CE20336-00A
A51LMV10X
QQW0157-001
No.52076
, AV-21D83
]
/BK
/BK
DEG COIL
L101
∗
CNDEG
QGZ5003C1-02
IC401
1
IC401
3
0.8Vp-p(V)
30Vp-p(V)
TH901
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
R966
C980
8.9V
100/16
6.8K
Q954
0V
∗1
R967
D969
47K
∗2
!
C992
QCZ9079-102
!
C991
QCZ9079-102
LIVE
ISOLATED
C952
!
!
QCB32HK-471Z
T901
CP951
D971
QQS0182-001
ICP-N75-Y
∗2
CP
D952
AN80T36
ERC30-02L38
K951
5.1V 5.0V 9.0V
∗8
C953
R972
1000/35
390
C961
2.2/50
C965
C955
C954
R960
2.2/50
X
.001
390
CP952
K953
X
X
D953
X
K902
CP
C957
!
C956
QCB32HK-471Z
CP953
X
K954
ICP-N75-Y
R969
∗8
BW
CP
D954
RGP30B-F1
C958
2200/25
C974
R905
.1
QRM034J-R22
2WMFR
Y951
X
1/2W
L951
K955
46
QQR1214-001Y
QQLZ034-460
D956
RU3AM-LFC4
C960
100/160
C959
560p
2KV
QCZ0364-561
D965
1SS133-T2
C916
R952
X
3.3K
135.4V
R962
560
!
9.9V
C978
PC901
R953
0.1
PC123F2
100
0V
NCB31HK-104X
R963
10K
D966
MA3068/M/-X
1/2W
IC951
Q953
SE115N-LF12
∗1
5.8V
0V
Q952
R970
0V
∗1
0.6V
15K
R965
0
C979
R964
X
47K
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)
/BK
)
/BK
R413
R414
T551
R542
!
3.9¸
68¸
QQH0143-001
330K¸
2.7¸
NOT USED
QQH0142-001
270K¸
AV-20N83
AV-20N83
AV-21D83
AV-21D83
PROTECT
D408
R425
D401
∗2
68K
RGP10J-5025-T3
R401
C401
220K
1/50
STB
IC401
H_DRIVE
AN5522
32V
9V
5V
0.5V 13.7V -13.7V-14.7V
0.7V
13.8V
0.5V
8V
R403
0
A.VCC
R404
X
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
TF
IC401
5
52Vp-p(V)
K401
R407
BW
X
IC974
7
IC401
5.1V 9.9V 5.1V
0.8Vp-p(V)
L954
QQL244J-5R6Z
5V
C969
C968
C973
C977
X
.1
100/16
470/10
5V_STB
IC972
R1141Q331B-X
8V
3.3V_STB
R408
6.8K
C964
C962
47/16
10/50
R410
C409
R409
12K
X
X
8V
R957
R411
C972
C411
6.8
220
47/35
1/2W
NCF21HZ-334X
R413
C481
∗
R486
X
C412
L953
X
NCF21HZ-334X
C413
QQL244J-5R6Z
9V
R414
∗
.056/100
R485
R412
MY
X
C975
C976
1
220/16
100/16
1/2W
9V
C484
32V
X
R961
R487
C485
18K
X
D964
X
MA3330/L/-X
QRL029J-183
R489
A.VCC
X
R490
STB
X
H_DRIVE
R524
22
QRL039J-220
-0.1V
C521
R545
22
47/35
T521
1/2W
CE40203-00CJ1
Y503
X
Q521
R526
C550
2SC2655/Y/-T
Y504
BW
.1
9.3V
C522
180
.0033
0V
Y505
X
R521
R522
D550
MY
C523
100
1K
∗2
.022
7
2
2-7
2-8
R350
139.7V
X
R351
3.4V
Q350
TO
STC344-T
150
MAIN
T
2.9V
PWB
CN00T
R353
1.8K
C360
470p
C351
680p
R539
R355
1SS244-T2
100
X
R538
X
Q524
138.4V
D595
X
D358
R360
CN10T
Q360
∗2
3.4V
X
R537
D596
X
STC344-T
QJL001-065631
X
X
GOUT
2.9V
R384
Q523
R361
X
10K
150
R536
C538
R363
X
X
1.8K
D593
R535
D594
X
X
X
Q374
1%
∗1
C537
MF
R534
C539
R365
X
X
X
R405
100
1% MF
Q375
∗1
6.8K
Q376
R377
∗1
33
132.6V
R370
R406
150
12K
3.5V
D374
∗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
C353
R379
R373
R359
330
100/50
10K
560
D352
RGP10J-5025-T3
1/2W
R358
C354
R369
2.7K
QRZ9017-150
1/50
1/2W
!
L524
QQLZ034-320
FR
R533
X
Y731
X
R590
R480
C480
X
X
X
C535
D480
100p/500
R481
R482
X
QCB32HK-101Z
X
X
!
C536
R532
.01
R531
QRZ9017-4R7
MY
4.7
2.2K
R484
X
R483
X
R530
D524
X
X
C534
IC480
X
X
R492
R529
X
.47
C533
D553
1000/25
RGP10J-5025-T3
QEHR1EM-108Z
R491
R493
X
R494
X
X
L480
X
C532
X
R528
.47
C483
D554
X
C531
RGP10J-5025-T3
1000/25
QEHR1EM-108Z
Q480
X
14.5V
C527
QFZ0199-474
Y508
BW
D521
Y507
BW
X
C525
X
QRT029J-1R8
C528
L523
QRT029J-1R5
X
X
R596
1.8
Q522
H.OUT
D523
2SD2634-YD
D522
RGP10J-5025-T3
X
R543
C530
C524
C526
X
QFZ0200-103
X
X
C529
4.7/250
R527
10K
QRL039J-103
C592
QEZ0203-107
MY
Y509
BW
Y501
BW
T551
4
T551
8
T551
10
Y502
X
25Vp-p(H)
54Vp-p(H)
1050Vp-p(H)
HV
CN0HV
QGZ5003C1-04
!
DY01
∗
DEF YOKE
No.52076
C350
R352
470p
12K
L350
R357
BW
1.5K
D350
R356
!
!
1SS244-T2
1K
SK351
V01
∗
1/2W
QNZ0537-001
D351
136.7V
X
139.8V
Q351
CRT SOCKET
B
2SA1321-T
6.7V
G
R
R362
12K
L351
BW
D360
R366
R367
1K
1.5K
1/2W
D361
CRT
X
138.4V
GND
Q361
2SA1321-T
!
6.7V
SK351
QNZ0537-001
TP-E
C361
R371
12K
680p
SC
C373
C374
X
C370
.0022
470p
R375
1.25KV
L352
R376
1K
QCZ0364-222
BW
1.5K
1/2W
D370
1SS244-T2
D371
130.5V
MAIN (CRT SOCKET)
X
132.6V
PWB ASS'Y (3/3)
BOUT
Q370
C352
Q371
STC344-T
2SA1321-T
4.7/250
SCH-1090A-BK
3.0V
(AV-20N83
)
/BK
L353
BW
SCH-1122A-BK
R383
(AV-21D83
)
/BK
390K
1/2W
C371
820p
C372
R374
27K
100
D372
MA3075/M/-X
CN10U
U
CHGC04-400-G
CN00U
CHGC04-400-G
U
!
T551
∗
FBT
R541
120k
1/2W
C540
.1
TF
R542
∗
1/2W
R546
8.2K
!
R540
1/2W
4.7
1W
L540
BW
D551
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
X
100/10
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:
NRSA63J-0R0X
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