Sony VPH-G90U Service Manual page 383

BA (3/12) BOARD
IC402
C401
CXA3069S
0.22
R401 GAMMA CORRECTION
16V
47 4.8
B:CHIP
:CHIP R (4.9)
R IN
R2 VCC R
R GND R OUT
R402 C402
100 0.1
25V
:CHIP 1.6
B:CHIP
GAM-R R GND
R CNTL
R403
47
G 4.8
:CHIP
VCC G
G2 G IN
C404 C403
G OUT
G GND
R404 0.1 0.22
100 25V 16V 2.8
:CHIP B:CHIP B:CHIP
GAM-G G CNTL G GND
4.8
B (4.9)
B2 B IN VCC B
R405 C405
B GND B OUT
47 0.22
:CHIP 16V 1
B:CHIP
GAM-B B CNTL B GND
4.8
R406
(4.7) CLAMP
100 C406
:CHIP 0.1
25V R408
B:CHIP 47
:CHIP
IC401
C407
TC7S04F
0.1
INVERTER
5V 25V
B:CHIP
VCC
0
CLAMP.P 4.8(4.7)
P.12 ≠≠≠≠≠ OSD-G
P.12 OSD-G
P.12 OSD-V
P.12 OSD-V ≠≠≠≠≠
P.12 OSD-R
P.12 ≠≠≠≠≠ OSD-R
P.12
≠≠≠≠≠ OSD-B
P.12 OSD-B
VPH-G90J/G90E/G90U/G90M
A B
C411
10
9V 16V
:AL-CP
9V
C410 C428 R391 C455
0.1 3 10 10
25V CH:CHIP :CHIP 16V C461
B:CHIP :AL-CP 0.1
5.4 25
(5.5) B:CHIP C417
5.4(5.5)
0.01
50V
4.6
Q451
R418 R B:CHIP
(4.7)
2SC3545
1k
C409
RN-CP BUFFER
0.1
25V R392
8.7 C416
B:CHIP 2.2k R453 R455
47
RN:CP 1k 1k
16V
:CHIP :CHIP
:AL-CP
R454
R452
1k
1k
5.3 :CHIP
:CHIP C415
C408
0.01
0.1
C459 C460 50V
25V 10 0.1 B:CHIP
8.7
B:CHIP 16V 25V
C429 R393 :AL-CP B:CHIP
3 10 C414
C413
CH:CHIP :CHIP C505 9V 47
+9V
0.01
10 16V
50V
16V :AL-CP
B:CHIP
R417 :AL-CP C511
5.3
1k 0.1
(5.4)
RN-CP 25
B:CHIP
Q501 4.5
R394 G
(4.6)
2.2k 2SC3545
5.5
RN:CP BUFFER C412
47
16V
R503 :AL-CP
R505
1k
1k
:CHIP
:CHIP
R502
R504
1k
1k
:CHIP
:CHIP
C509 C510
10 0.1
16V 25V
:AL-CP B:CHIP
CONTR
-5V
C430 R395
3 10 9V
CH:CHIP :CHIP C555
10
R416 16V C561
1k :AL-CP 0.1
5.5
RN-CP 25
B:CHIP
Q551
2SC3545 4.7 B
R396 BUFFER
2.2k
RN:CP
R553
R555
1k
1k
:CHIP
:CHIP
R552
R554
1k
1k
:CHIP
:CHIP
C559 C560
10 0.1
16V 25V
:AL-CP B:CHIP -5V
≠≠≠≠
R409
680
:CHIP
R411
680
:CHIP
≠≠≠≠
≠≠≠≠
:CHIP
R424
R413 R420
680 R426
680 680
:CHIP 680
:CHIP :CHIP
:CHIP
R419 R423
-5V
680 680
:CHIP :CHIP
≠≠≠≠
C
BA (3/12) BA (3/12)
C432
R586 0.1
100 25V
:CHIP B DRV B:CHIP
DRV-B
RV504
20k
R536
100
G DRV
:CHIP
DRV-G
12V RV503
20k
R400
100
C466 R DRV
:CHIP
1000
DRV-R
16V
RV502
20k
10 9
R436 R435 R437 R427
3.1(3.2)
47 47 47 47
:CHIP :CHIP :CHIP :CHIP 0
R OSD R DRV
0
G OSD G DRV
0
B OSD B DRV
0
0.1 25V B:CHIP
V OSD PED
2.1 7.7
R IN
R.C.C
2.9
VCC1 R OUT
C424
R447
0.1
GND VCC2
25V
2.1 R444
B:CHIP
G IN GND
2.9
G OUT
VCC1
C423
7.8
0.1
GND
G.C.C
25V
2.1
B:CHIP 0.1 25V B:CHIP
B IN B OUT
1.9 7.9
B.C.C
V.REF
2.9(3.7) 11.8
C425
CONTR BLK
0.1
2(2.5)
25V C419 R492
OSD CONT CLP
B:CHIP 0.1
R591
25V :CHIP
1k
B:CHIP C427
:CHIP
0.1 IC404 C420
3.2
LM1283N
25V 0.1
(3.8)
RGB MATRIX 25V
B:CHIP
B:CHIP (4.7)
C519
5 4
0.1 11
25V
B:CHIP
R438
IC504 47
TA75S558F :CHIP
BUFFER
3.2
1 2 3
(3.8)
3.2
R445
(3.8)
47k
:CHIP C518
R446 0.1
100k 25V
:CHIP B:CHIP
-5V
R590
100
:CHIP
IC403
MC10H125MEL
ECL/TTL R442
47
R433 :CHIP
47
VBB GND
:CHIP
VIN GIN
-1.7 -0.9
R441
VIN 47
GIN
R432 0
:CHIP
47 VOUT GOUT
R431 0 0
47 ROUT BOUT
:CHIP 0 -1.7
RIN BIN
R440
-0.9 -0.9
47 5V
RIN BIN
:CHIP
R430 -1.7
47 VEE VCC
:CHIP
C426
0.1
C418
25V
0.1
B:CHIP
25V
R439
B:CHIP
47
:CHIP
D505
RD4.7ESB2
-5V
10-21 10-21
D E
12V
C434
1000
C436
16V
0.1
25V R487
B:CHIP 2.2k
Q456
:RN-CP
2SC3545
SYNC SLICE
R486 Q455
C437 C465 47 2SC3545
R540 C470
0.1 0.1 :CHIP SYNC SLICE
100 :CHIP 0.1
25V 25V Q458 2.5
1.8
25V
B:CHIP B:CHIP # R (2.9)
(1.7) :CHIP
R488 R489
R451
R541
3.3k 120
47 47 :CHIP LEVEL SHIFT
3.2 :RN-CP :RN-CP
:CHIP 1.9
(3.6)
C431
(2.2) R542
0.1
100 :CHIP R483
25V -5V 1k
Q457
C422 B:CHIP 2 :RN-CP
2SC3545
SYNC SLICE 0
-0.8
R448
R543
680
(3.3)
330
:RN-CP
:CHIP
680 :RN-CP C435 0.1 25V B:CHIP
-5V
B:CHIP
C467
680 :RN-CP
1000
16V
(3.4)
R493
3.1
680 G
C421 (3.5)
:RN-CP
R443
680
R594
:RN-CP
680 :RN-CP
47k
R548
2.2k
C515
:RN-CP
0.1
Q505 Q506
25V
4.8
2SC3545 2SC3545
B:CHIP
Q508 SYNC SLICE SYNC SLICE
R547 #
R501
47 1.8(1.7)
47 :CHIP
R549 :CHIP R550
3.3k 120
2.7
R544
:RN-CP :RN-CP
(3.1)
100
2
-5V (2.4) :CHIP
C565 R598
Q507
0.1 2.2k Q558 R545
2SC3545
25V :RN-CP # 47
SYNC SLICE R538
B:CHIP :CHIP 0
100
-0.8 :CHIP
R539
R597
330
47
:CHIP
R599 :CHIP R595
3.3k 120
:RN-CP -5V
:RN-CP
-5V
D502
RD3.3M
LEVEL SHIFT (-0.7)
R450
15k
:CHIP
R533
1k
:RN-CP
12V C513
C516 0.1
0.1 R449 25V
25V
2 3.3k B:CHIP
:CHIP
(2.1) :CHIP
5 4
RV501
20k
SYNC CUT
IC503
TA75S558F
B
BUFFER
1 2 3
C517
0.1
25V
-5V
:CHIP
R551
C570
47 0.1
:CHIP 25V
Q555 Q556 :CHIP
2SC3545 2SC3545
SYNC SLICE SYNC SLICE
1.8
(1.7)
D503
R592
RD3.3M
100
2.7 LEVEL SHIFT
:CHIP
(3.1)
R593
2(2.3) 0
R583
47
Q557
:CHIP 1k
2SC3545
R588 :RN-CP
SYNC SLICE
100
-0.8 C563
:CHIP
(-0.2) 0.1
R589
25V
330
B:CHIP
:CHIP
-5V
BA
PRE AMX&OSDMIX
GANNMA
F G
1
IC452
MAX4223ESA
5V
BUFFER
12
C464
0.1
NC 25V
SHDN B:CHIP
TP451 FL451
D501
VCC BMK200 R OUT
RD3.3M
EMI R OUT
-1.1
R485
(-0.8) -1.1(-0.9)
75
VEE NC :RN-CP
-1.1(-0.9)
C463
R491 R484
0.1
-5V 0
560
25V
:CHIP :CHIP
C471
0.5
2
CK:CHIP
C520
0.1
25V
:CHIP
IC502
MAX4223ESA 5V
BUFFER
C514
13
0.1
NC SHDN 25V
B:CHIP
FL501
-1 VCC TP501 BMK200
3
EMI G OUT
R535
-1(-0.8)
G OUT
75
VEE NC
:RN-CP
-1(-0.7)
R500 R534
0 560
:CHIP :CHIP
-5V
C521
0.5
CK:CHIP
IC552
MAX4223ESA 5V
BUFFER
C564 4
0.1
25V
14
B:CHIP
NC SHDN
VCC FL551
TP551
-1.1 BMK200 B OUT
(-0.7)
EMI
B OUT
-1.1(-0.8) R585
75
VEE NC
:RN-CP
-1.1(-0.8)
R587 R584
0 560
:CHIP :CHIP
-5V
C571
0.5
CK:CHIP
(3/12)
5
B-%SX1640<AEP>-BA-3
H