Sony VPH-G90U Service Manual page 524

GB (1/2) BOARD
CN24
3P
1 WHT
:S-MICRO
D23
D1NL20U
VCC RECT
VCC3
GND2
IC VCC2
(TO P2)
2
VCC1
+B(15V)
CN20
3P
BLK
+B(15V)
1
NC 2
GND(15V) 3
TO GA BOARD
CN11
GND1
3
CN28
8P
OCP 1
VCC
2
GND 3
LG 4
LS 5
NC 6
HG 7
HS 8
TO GBA BOARD
CN36
4
CN29
8P
OCP
1
IC VCC 2
GND
3
LG 4
LS 5
NC 6
HG 7
HS 8
TO GBA BOARD
CN37
CN30
8P
+15.5V 1
GND 2
5
+6V
3
NC 4
+25V
5
GND 6
NC 7
+50V 8
TO GBA BOARD
CN38
A B
TO GA BOARD TO GA BOARD
CN12 CN13
CN25
3P
CN26
YEL
10P
:S-MICRO
D20
D1NL20U
VCC RECT
IC1
TA7820S
R46
Q1
C2 1.5k 20V REG
2SB734
0.22 2W
VCC SW
20.1 20.3 :MPS :RS
O
G
R1 R2 C79
19.5 2.2k 10k 0.1
:MPS
IC2
Q2
TA7820S
2SB734
R47
VCC SW 20V REG
1.5k
2W
20.0 20.1 23.9
:RS
O I
G
R6 R7 C5 C6
2.2k 10k 0.1 0.22
:MPS :MPS
R12 R13
100k 100k
2W 2W
C15
D7
:RS :RS 0.01
1JH46
630V
R14 DAMP
0.47
C17
1/2W
1 D8
450V 1JH46
DAMP
L2
FB1
100µH
Q4
0.45UH
2SK2605
636
SUB CONV 0.8
R20
0.33
S R19
2W
10k
:RB
R21
L3
0.1
220µ
1/2W
Q5
2SK2475
C18
15V CONV
2.2
450V
-2174
R22
S
4.7k
-2369
3.3
S
Q6
R23
2SK2475
4.7k
15V CONV
+B(15V)
R33
L9
0.1
220OµH
1/2W
Q9
IRFP460
C51
50V CONV
2.2
450V
-2395
R34
4.7k
2.9
IRFP460
R35
4.7k 50V CONV
C
GB (1/2) GB (1/2)
TO GC BOARD
CN42
D1
F10P40F
20V RECT
T1
SRT28A
24.6
I 1 D3
R3
C3 FB4 D10SC6M
4.7k
220 0.45UH SUB6V RECT
2W
50V
:RS
2 15
D4 3 14
F10P40F FB5
20V RECT 0.45UH
4 13
C7
220
5 12
50V
C1 C4
R4
FB2
D6 0.001 0.001 100
0.45UH 500V 500V
1W
DINL20U
:RS
6 11
VCC RECT
R9
7 10
C14 0.47
100 1/4W FB3
25V :FPRD
0.45UH
8 9
R15 R16 R17
100k 100k 100k
2W 2W 2W
:RS :RS :RS
C19
376
100p
1kV FCQ30A04
T2
PIT45B 15V RECT
D10
D10SC6MR
15
-15V RECT
C20
2200
25V
C25 R24
C26 1 14
100p 0.22
0.01
1kV 2W
1200V
:RS
:PP
2 13
C27
12 1000
C32
25V
0.01
R25 1200V
0.22
:PP
4 11
2W
:RS
D13
R26
5 10
F10P10Q
470
6V RECT
6 9 C35
3900
10V
8
C38
2200
10V
7
D14
D10SC6MR
-6V RECT
1 20
D2
D4SBL20U
50V RECT
2 19
C52
376
100p
3 18
1kV
C53 C54
S 4 17
1000 1000
-2478
63V 63V
5 16
C58
100p
1kV
Q10 S
C64
6 15
0.015
1200V
C59 C60
:PP
1000 1000
63V 63V
14
R36
D5
680
C65 8 13 D4SBL20U
0.015
25V RECT
1200V
:PP
9 12
C13
1000
35V
R37 R38
10 11
0.22 0.22
2W 2W
:RS :RS
T4 C41
PIT50D 1000
35V
+5V
+6V
10-162 10-162
D E
TO GC BOARD
CN43
CN27
10P
L1
3.3µH
SUB+6V
C8 C9
C12
3900 3900
10V 10V 470
10V
+500V
+15.5V
D9
L4
3.3µH
C21
2200
C24
25V
100
25V
C29
1000 L5 C31
25V 100
3.3µH
25V
L6
3.3µH
C36
C37
3900 470
10V
10V
C39
470
C80
2200 10V
L7
10V 3.3µH
L10
3.3µH
C57
47
63V
L11
C63
3.3µH 47
63V
L16
3.3µH
+25V
C47
100
35V
C50
100
35V
-25V
L17
3.3µH
GB
(1/2)
(LOW B REG)
F
+200V
+115V
P.CONT
SUB6V
GND
+15V
-15V
+6V
-6V
+50V
-50V
B-%SX1640<AEP>-GB-1
VPH-G90J/G90E/G90U/G90M
G H