Sony BVM-14M4DE Maintenance Manual page 11

• A BOARD (4/10) (BLACK SAMPLING, R.G.B SW) DIAGRAM
A-16
A-17
A-18
(4/10)
(BLACK-SAMPLING,RGB SW)
A-19
A-20
A-21
A-22
A-23
A-24
A-25
* *
R
D427
R1405 R407 C499 R1408
C1401
MA111
8.2k 33k 0.01 470k
0.47
PROTECT
:CHIP :CHIP F:CHIP :MPS :CHIP
*
Q402
C1400
R1416 C401 2SD601A
0.01 C407
470k G 1
PIY ABL
F:CHIP 47
:CHIP 16V
25V :CHIP
A-26 F:CHIP
R419
C1403
* *
0.47
:CHIP
:MPS Q401
R406
D401
2SD601A
27k:CHIP
MA111 SW15
BRIGHT ABL
A-27
B C409
*
C1402 R404
A-28 0.01 R413
0.01
F:CHIP 150
5.1k
F:CHIP
:RN-CP :CHIP
IC403
MC14066BF BLACK-SAMPLING
*
R402
R423
1.5k 14 13 12 11 10 9
10k
:CHIP
:CHIP
0.6 * *
R401 *
0.5
1.5k
:CHIP
R427
220
:CHIP *
* * * * * *
Q405
Q403
2SB709A 1 2 3 4 5 6
DTC144EKA
B-BUFF3
V-BLK-SW
R422
10k
:CHIP
A-29
R1489
6.8k:CHIP
A-30
A-31 2.2
2.9 3.6
8 7 6 5
A-32
C482
Q108
470
2SD601A 10V
V SHORT SW
A-33 *
R403
R195 R1103 1 2 3 4
6.8k
15k
8.2k
:CHIP
:CHIP :CHIP
*
C406
C154 C402
R1123
22
0.022 * 47
8.2k C408
B:CHIP :CHIP
0.01
R190 B:CHIP
1k R425
C155
:CHIP 1k
R1129
0.015 :CHIP
8.2k
*
B:CHIP
:CHIP
R1499
C158
2.2k
0.047
12V :CHIP
25V
R1132
C156 B:CHIP
8.2k
0.0068
:CHIP
B:CHIP Q404
R1131 2SB709A *
1k
B/O G
:CHIP
C157 R424
AMP9
0.0068 220
B:CHIP :CHIP
C159 R412
47k
0.068 5V
25V :CHIP
B:CHIP
A-34
A-35
A-36
A-37
A B
12V
R4402
G
R
R4401 470k :CHIP
33k
R1423
:CHIP
C455 2.2k
R
330p
:CHIP
* CH:CHIP
R1418
220
* * * * * *
16 15 14 13 12 11 10 9
:CHIP
14 13 12 11 10 9 8
R420
* * * * *
33k
*
4.7k
2SB709A
R1434
R-BUFF3
*
560
1 2 3 4 5 6 7 8
:RN-CP
1 2 3 4 5 6 7 R1444
2.2k
* :CHIP
*
R1480
G B * * *
C496 47k
82p :CHIP
R475 C447
B
CH:CHIP 100:CHIP 330p C452
*
C436 CH:CHIP 330p
0.1 Q432
CH:CHIP R1495
25V 2SD601A *
0
Q419
B:CHIP
BRIGHT
* 2SB709A
MUTE SW
G-BUFF3
C428 C445
8 7 6 5 Q422
8 R4411
330 0.047 R1414
470k 0 2SC1623-L5L6
16V 25V
B:CHIP :CHIP BLANKING
1.9
* * * *
R1412 IC406
Q417
270k
LM358DR
B 2SB709A
:CHIP
HOLD2
B
B-BUFF4
*
*
0.9 *
R1411
R499
10k
1 2 3 4 220
7 :CHIP R1424
R494
:CHIP
R457 22k
C432 75k
* R1420
100 0.1 C438 :CHIP
:RN-CP Q418 47k
* 0.047
:CHIP 25V
2SC1623-L5L6 :CHIP
25V
B:CHIP
B:CHIP OFF-MUTE-SW
Q446 R1496
R1484
47k
5V 0.1 22k
DTC144EKA
:CHIP :CHIP
W/B SW
0.6
R456
R1483
R440
1.5k
1k 47k
R1498
C410 :CHIP
:CHIP :CHIP R1485
22 2.2k
C403
:CHIP 470k
0.01
Q408 :CHIP
B:CHIP
2SB709A Q431
R470
B/O R AMP1
2SD601A
6.8k R432
RESET MUTE SW
:CHIP 47k
Q411
:CHIP
IC401
R439 2SD601A
R447 Q439
BA7655AF 220
B/O R AMP2 Q442
6.8k R1433
B 2SA1162-G :CHIP
B/O AMP :CHIP
33k 2SD601A
BCH B/O
:CHIP BCH BUFF
DLY-EQ1
L407 L408
*
22µH
Q412 * 22µH
:FLR50 :FLR50 Q440
2SA1162-G
*
2SD601A
BCH BUFF R485
BCH B/O
220
R474 R480
DLY-EQ2 *
820 :CHIP
15k
:RN-CP :CHIP R482
R448 *
* 2.2k
* 1k *
:CHIP
:CHIP
R481 S
* 220
Q441
C1405 :CHIP
C1407 1.9
C1406
R438 22p 2SK94-T1X2X3X4
R455 2p R490
1.5k 7p
CH:CHIP 33k BCH B/O SW
:CHIP :CHIP 2.2k
:CHIP *
* :CHIP :CHIP
*
*
R458
* R467
470k
Q406 1M
*
:CHIP
:CHIP
2SD601A Q413
R450
B/O G 2SK94-T1X2X3X4
1M
Q438
AMP2 BCH NORMAL SW :CHIP
2SD601A
BLUE ONLY SW
– 19 –
C D
A A
D418
1SS184 OSD R MIX
5V
C491
0.33 25V F:CHIP
R1492
270
:CHIP
Q437 0
R1461
560
DTC144EKA
:RN-CP
OSD DOWN SW
C1342
0
33p
:CHIP
R1448
C471
R
33k 33p
C470
:CHIP
:CHIP
47p
CH:CHIP
R1445 R1465
R1449
8.2k 100k
2.2k
:CHIP
:CHIP
:CHIP
*
0.1
8 7 6 5
1 2 3 4
IC408 *
BA10393F-E2 0.1 0.1
Q445
EDGE DETECT
DTC144EKA
BLUE ONLY SW R1425
33
R1447
C467
:CHIP R1450
* 120p 0 22k
C469
R 2.2M
* :CHIP :CHIP
0.022 :CHIP
R1446
B:CHIP
0.2 8.2k
R1451
:CHIP
68k
Q423
R1436 :CHIP
Q424
10k R1441 2SD601A
DTC144EKA
0.5 220
Q420 :CHIP BUFF
BLK
:CHIP
*
D408
R1468
MA111 R1415
56k :CHIP
68k
BLANKING4
:CHIP 0.5
D405
1SS184
R1439
R1440
BLANKING G 2.7k :CHIP
470 :CHIP
*
* R1426 R1431
R1482
2.2M :CHIP
470k
47k
:CHIP :CHIP Q434 D423
2SD601A * 1SS226
C411
C466 0.1 MUTE BLUE
*
25V
120p RGB SW BUFF
B:CHIP
:CHIP
R4412 *
470k
:CHIP
R1432 R428 R429
R1466
100k 10k
47k * C1404 1.8k
Q421
:CHIP :CHIP 4.9
:CHIP 0.22 :CHIP
DTC144EKA 25V
V-BLK-SW1 B:CHIP
R489
*
15k
R416
:CHIP
470k 4.3
R1430
10k :CHIP 0.7
:CHIP D425
1SS226
CLAMP
R1410
C465 12V
1.5k
15p CH:CHIP
5V :CHIP
Q443
2SA1162-G 2SD601A
AUTO CHROMA AUTO CHROMA
SET UP AMP1 SETUP AMP2
B
R411
220
:CHIP
E
CN305
12P
:BTOB-P
1 ON/OFF
2 L1/L2
3 C/T
D417
1SS184 OSD G MIX 4 GND
YS
D416 5
C492
1SS184 OSAD B MIX
0.33
6 R
25V
F:CHIP
7 G
8 B
9 HP-2
C490
VIDEO
0 0.33 10
R1491 R1490
270 25V
270 R1462
F:CHIP 11 5V
560 :CHIP
:CHIP
0
:RN-CP R1463
12 5V BACK
560
0
0
:RN-CP
TO S BOARD
Q436 CN801
Q435
DTC144EKA (BVM-14M4DJ)
DTC144EKA
OSD DOWN SW CLOSED CAPTION
OSD DOWN SW
BOARD
*
*
14 13 12 11 10 9 8
B
IC411
MC14024BF
COUNTER
1 2 3 4 5 6 7 G
0.2 *
*
*
16 15 14 13 12 11 10 9
IC410
MC14052BF
SIG SELECT
* * * *
1 2 3 4 5 6 7 8
*
D411
MA111
SW
R1494
R1493
22k R1443
27k
:CHIP 33
:CHIP
G
:CHIP
R1481
560k
:CHIP
C497
1500p
B:CHIP C498
2.2
B
R1453
33
:CHIP
D424
MA111
PROTECT
*
C473 C475
C472
0.01 0.01
0.01
F:CHIP F:CHIP F:CHIP
C476
0.01
F:CHIP
Q444
B-SS9536<U/C>-AICAD09-P4
– 20 –
F G
1
2
3
4
5
H