JVC AV-48WP34/AHA Service Manual page 65

MAIN PWB CIRCUIT DIAGRAM [3/12]
9V
VY_SWMAIN
C_SWMAIN
3D_Y
3D_C
C454
R450
2.2/16 2.2/16
R451
220
B1
1.8k
7.8V
R441
7.2V
Q432
22k
C438
*2
0.01 R463
2.7V Q433
AMP
*1 1k
R452 AMP
3.2V
100 2V
R442 R464
10k R453 1.2k
R454
390
560
NQL085J-560X
R465
1k
TAKE-OFF SW
(MAIN)
C448
R466
X
X
CH
NQL085J-560X
R455
C442 R468 R469
5.6k
0.01 100 4.7k
R470
Q436
SELTV1
*1
R456
SW
22k
R457
X C450
0.01
VY_SWSUB
VY_SWSUBG
C_SWSUB
SELTV2
MAIN PWB
(IP BASE )
SSB-1051A-M2
C453 R432
I/P CONVERT MODULE
0.47/10 6.8k
BUFFER
QGC2507C1-96
CN004
R430 Q439
100 *2
H
H IC431
TC4W66F-X
R434
10K
Y401
0
R433
Q431
X QRN143J-0R0X
*1
R435
47K
VY_SWMAIN
C444 C445 C451
0.01 0.01
B1
LC402
X
C446 D431
R472
0.001 *3
100 Q437
*1
C447 C BUFFER
150p Y404 Y405
CH 0 0
R473
MAIN_C
L430
1.5k
56 C452 D432
0.001 *3
C449
56p
R475 R474
CH
1k 5.6k
L431
56 R467
10k
R480
56k
Q438
22k
*1
SW
R471
X
C480
0.01
VY_SWSUB
VY_SWSUBG
R482
10k
(3/12)
NOTE
: 2SC2412K/QR/-X
*1
*2 : 2SA1037AK/QR/-X
: MA111-X
*3
X : NON MOUNT
No.51914
AV-48WP30
AV-48WP30
SSB0D051A-M2
L404 L403
QRN143J-0R0X
0
0
C427
Y403
X
R405
X 0
LC401
X
R402
Y406
*
X
R406 W-E1 W-F1
X
Y407
X
CN004 49 CN004 51 CN004 52
CN004 59
2 2 1
2
C482 C483 C484 C491
2.2/16 0.01 0.01 2.2/16
R484 B1 B1
R483
220
1.8k
C486
C485 D482
R490 R479
150p
0.001 *3 Q484
1k 100
CH
*1
R481
C BUFFER
Q485
100
R491
*2
YC_CSUB
1.2k
AMP
Q481 R478
L482
C487 D481
*1 1.5k
AMP 0.001 *3
NQL085J-560X
R485
390
R486
R492 C489
560
1k 56p
C488 CH R493 R477
R494 7p 1k 5.6k
X CH
L481
NQL085J-560X
C481 R487 R496 R497 R495
0.01 5.6k 100 4.7k 10k
R498
Q483
56k
*1
CN004
R488 BUFFER
Q482
22k
1.2
*1
C490 R499
R489
0.01 X
X SW
TAKE-OFF SW
(SUB)
2-9 2-10
C403
100/16
C401
470/10
C409 C410
10/50 0.1/16
C402
1000/6.3
IC904
C405
1000/6.3
C411
0.1/16
L402
QQL26AK-100Z
IC511
PQ15RW11
3.4V REG
R572
W-A2
470
MFR
D511
X
R571
C579
1.5k
47/25
NRVA63D-152X
R408
0
R413
C540
X
30 CN004 29 CN004
69 CN004 87
1.5 1.5
0.7
No.51914
W-H1
W-2 W-G2
Y402
X
Y922 C404
Y921 2.5V
X 1000/10
0 R410
DPCRST
X
VM_OFF
BLK_AREA
VM_OUT
IP_ERR
IP_RST
9V
X
12V
14V
9V REG
C406
5V
X
R906
X
3.3V
L401
QQL25CK-100Z
A5V
V_SYNC
H_SYNC
R414 C419
X X
B_Y
Q401
X
BUFFER
X
R415
0
R_Y
Y
CN004 88 CN004 89
0.5 0.6