Sony VPH-G90U Service Manual page 529

GBB BOARD
CN39
8P
0
OCP 1
VCC 2
GND
3 D413
3
D1NL20U
LG 4
VCC RECT
0
LS 5
NC
6
-2166
HG 7
-2256
HS 8
TO GB BOARD(2/2)
CN31
D401
RB441Q
LIMITTER
C401
470p
CH:CHIP
LIMITTER
CN40
8P
0
OCP 1
VCC 2
GND 3 D414
D1NL20U
LG 4
VCC RECT
3
LS 5
0
NC 6
HG 7
-2300
HS 8
-2420
TO GB BOARD(2/2)
CN32
D404
RB441Q
D402 LIMITTER
RB441Q
C402
LIMITTER
470p
CH:CHIP
VPH-G90J/G90E/G90U/G90M
A B
D405
R421
11EQS04 4.7
CHARGE :FPRD
R413
4.7k :CHIP
Q401
T401
2SB810
C411
DRIVE
470p E
1 3 CH:CHIP
R409 B
C419
2.2k
0.0022 R427
:CHIP
C
B:CHIP 4.7
6 2
:FPRD
D407
11EQS04
C403
CHARGE
0.1
:MPS 4
R410 R414
4.7k :CHIP Q402
2.2k
5 2SB810
:CHIP
C412
DRIVE
R401 C421
470p
E
22 0.0022
CH:CHIP
B B:CHIP
C
R407 R422
100k 1k
:CHIP :CHIP
VCC
D409
DAN202K
GATE
IC401
R419
CXA8038P
4.7k
POWER CONT :CHIP
R417
4.7k
:CHIP
R430
2.2k
:CHIP
C415 C417
C405 0.33
R403 R405 330p
:MPS
3.3k 0.47 C407 220 C409 CH:CHIP
:CHIP :MPS :CHIP
0.01 470p
RV401
B:CHIP CH:CHIP
4.7k
D403
RB441Q
D406
R423
11EQS04
4.7
CHARGE :FPRD
R415
4.7k :CHIP
Q403
T402
2SB810
C413
DRIVE
470p E
1 3 CH:CHIP
B
R411
C420
2.2k
0.0022 R428
:CHIP
C
B:CHIP 4.7
6 2
:FPRD
D408
11EQS04
C404
0.1 CHARGE
:MPS 4
R416
R412
4.7k :CHIP Q404
2.2k
5 2SB810
:CHIP
C414
R402 DRIVE C422
470p
E
22 0.0022
CH:CHIP
B B:CHIP
C
R408 R424
100k 1k
:CHIP :CHIP
VCC
D410
DAN202K
GATE
IC402
R420
CXA8038P
4.7k
:CHIP
POWER CONT
R418
4.7k
:CHIP
R432
4.7k
:CHIP
C416 C418
R404 C406 R406 330p 0.1
3.3k 0.47 C408 220 C410 CH:CHIP :MPS
:MPS
:CHIP 0.01 :CHIP 470p
B:CHIP CH:CHIP RV402
4.7k
C
GBB GBB
PH402 C429
PC123 0.0047
B:CHIP
4 1
3 2
R437
2.2k
:CHIP
PH401
R438
PC123 2.2k
:CHIP
4 1
R433
Q405
2.2k 3 2
:CHIP 2SD774
REG OUT C430
C427 0.0047
C425
R429 470 B:CHIP
0.47 35V
15k
:MPS
:CHIP
D411
RD12ESB2
12V REG
C423
0.1
25V
B:CHIP
R434 Q406
2.2k
2SD774
:CHIP
REG OUT
C428
C426
R431 470
0.47
18k 35V
:MPS
:CHIP
D412
RD12ESB2
12V REG
C424
0.1
25V
B:CHIP
10-167 10-167
D E
+14V
R441
220k
:CHIP
R443 R452 R453
C434 430k 470k R450 100
470p :RN :RN :FPRD
10k
:MPS :CHIP
R442
470k
R451
:CHIP R449 10k
:RN-CP
1k
8 7 6 5
:CHIP
IC403
2
µPC358C
F.B AMP
1
R447
1k
1 2 3 4
:CHIP
RV404
R439 2.2k
C431 C432
IC404
47 220k
0.1
µPC1093J-1
35V :CHIP
25V
REF REG
B:CHIP
R448
R440 C433 R446 4.7k
:RN-CP
220k 470p 120k
:MPS :RN
:CHIP
R445
120k
:RN
RV403
1k
R444
100
:FPRD
+115V
GBB
(HIGH VOLTAGE CONT.)
B-%SX1640<AEP>-GBB
F G
1
CN41
8P
1 +115V
2 NC
GND
3
4 GND
5 +14V
NC
6
7 NC
8 +200V
TO GB BOARD(2/2)
CN33
2
3
4
5
H