Main Pwb Circuit Diagram - JVC AV-1406FE Service Manual

MAIN PWB CIRCUIT DIAGRAM (2/2) SHEET 2
!
VA901
!
S901
!
F901
!
C901 T3.15AH
! LF901
!
!
TH901
Y904
BW
Y905
BW Y902 Y903
CNDEG ! C991
BW BW
R904
X
!
C910 !
C992
.001
R901
! !
C907 C904
.001 .001
D901
C929
.01
! C905
.001
R923
R928
68k
C909
R921
R903
1.8
100k
IC921
R906
100k
C930
X
C931
K901 K902
R922 *8 *8
C924 4.7/50
220
R925
1M D933
R934
C927
68k
.1
D931
R924
C922 D929
*4
.1 X 150K
R933
D921
4.7
C932 D928
*5
220p *7
C925 D925
D920
47/35 *5
H003 R935
3.9k
C926
3300p
!
C993
!
R991
8.2M
IC421-1 IC421-3 IC421-5
(V) (V)
0.6 Vp-p 30 Vp-p 60 Vp-p
MAIN PWB(1/2)
SHEET 1
CN0PW
Y973
0
Y961
Q961
BW
X
R961
R962
X
X
R963
Q962 X
X
R964
X
R985
RY971
X
X
D973
X
R986 C972
X X
Q973
X
R987
D974 R988
X
X X
IC971
R976
12
C977
C976
220/16
220/25
IC972
R979
47
H004
C978 C979
X
220/10
220/25
C947
!
T921
Q974
!
CP981
L943
K943
4.7
*8
R978
D943 47k
C948
1000/25
C949 470p
C944 R977
1.2k
K942
L942 4.7
*8
Q975
! R974
D942 CP982 *3
2.2k
C946
1000/25
C971
X
C945
1000/25
C941
560p
L941
K941
82
*8
D941
C942
100/160
D986
X
Q982
X
CN0S2
X
Y503
X
IC421-6 Q521-C Q521-B Q522-C
(V) (V) (H) (H)
30 Vp-p 38 Vp-p 1.5 Vp-p 1000Vp-p
Y972
X
IC421
H001
R965
X
C961
X
C428
R421 R422
100/35
4.7k X
C427
100/35
D423
R423 C421 X
D421 *6
0
D424
X
R424
0
R425
C422
3.3k
X C423
18p R431 R442
10k 10k
V_OUT
R426
C426
C433
0
330p
4.7/50
D982 C424 R441
*4 .01 8.2k
R443
R432
C435
1
3.9 2200/25
Q402 R436
*1 82k C436
.33
R433
D983 3.9
*4 C430
D427
K421 .0047
R453
*8
2.7K
D425
*4
R440
Q401 C429 220
10/50
R524 !
Q522 H002
X
T501
R525
C523
R521
47/25
X
R526
270
Q521
C528
C529
X
C582
.001
X
R531 R530 D555
R532 X X
330
C526
1k
.01
R980
R529
C530
X
Y502 Y501
R528
BW BW
X
R574
2.2
R573
2.2
C531 R571
R575
100/160 2.7K
X
C571
R576 100/10
D571
22k
Q571
R984
R578 C572 R577
X
Q572
10k 47/25 5.6K
*1
R983
X Q981
X
R982
D562 D561
X D985 R566
X X
X
X
R981 C981
C561 R565 C562
X X
X X X
CN0S1
FOR TEST
Q522-B T522-1 T522-3 T522-5
(H) (H) (H) (H)
2 Vp-p 1000 Vp-p 55Vp-p
(No.YA370)2-7 2-8(No.YA370)
!
SK351
R365
TP-47B
12k
R362
L353
1.5k
BW
Q353
R353
C356
150
330p
R359
R368
R356 100
1.8k
330 R348
X
R364
12k
R361
L352
1.5k
BW
Q352 !
SK351
R352
R430 C355
X
82k
220p
R367
R355 R358
R345 1.8k
330 100 K351
150
CN10T
R363
C425
12k
X R360
C357 L351
1.5k
BW
470/10
R346 150
R347 R349
X X
R351
C354
X
270p
R366
R354 R357
Q351 1.8k
330 100
L354
BW
R369
X
R444
X
CN10U
CN00U
C525
26V
L551
D554
C527 *4
!
T522
R554
680
FR556
C555 X
.1/100
D553
D584
X
R581
L522
1.8k
X R584
! BW C581
R551
.1
1 R582
27K
D582
D551
*5 *5
C552 R583
X
1000/35 39k
R585
X
C551 D581
C553
X
R552
D552
C554
*5
4.7/250
MAIN PWB ASS'Y (2/2)
SCG-1323A-H2:AV-14F16
SCG-1324A-H2:AV-14FMG6/G
SCG-1325A-H2:AV-14FMG6/S
SCG-1326A-H2:AV-1406FE
SCG-1327A-H2:AV-14146/N
SCG-1328A-H2:AV-14149/N
CN0HV
T522-9
T522-7
(H)
(H) (H)
220 Vp-p 25 Vp-p 220Vp-p
MODE
DC (V)
PIN NO.
Q351
E 2.5
C 125.8
Y303 BW
B 3.2
Y304 BW
FOCUS
Q352
TP-E
SCREEN E 2.6
C351 C 123.3
X
B 3.3
C352 Q353
.01
E 2.5
C 128.5
B 3.2
Q351-C Q352-C Q353-C
(H) (H) (H)
110 Vp-p 120 Vp-p 120 Vp-p
MODE
DC (V)
PIN NO.
IC421
1 3.7
2 26.0
3 2.0
4 0.0
5 13.8
6 26.3
7 3.7
IC921
1 314.0
2 NC
3 0.0
4 0.0
5 31.8
6 0.0
7 0.7
IC971
1 12.8
2 9.0
3 0.0
IC972
1 9.2
2 4.9
3 0.0
Q401
E 0.0
C 0.0
B 5.4
Q402
E 0.0
C 4.9
B 0.0
Q521
E 0.0
C 9.7
B 0.3
Q522
E 0.0
C 115.3
B 0.0
Q571
E 115.5
C 0.0
B 115.1
Q572
E 0.0
C 4.9
B 0.0
Q974
E 15.3
C 15.1
B 0.0
Q975
E 0.0
C 0.1
B 4.3