Sony VPH-G90U Service Manual page 469

EA BOARD
C1
0.01
:CHIP
CN750
15P
(+)24V 1
(+)12V
2
GND 3
SIZE.COR 4
-12V 5
-24V 6
HV.MOD
7
F-V 8 R34
12k
:RN-CP
KEY/PIN 9
H.SIZE 10
REF C11
11
1
:BP
H.OSC 12
N.POW.FB 13
SIZE.DET.CONT 14
R46
12k
PIN.MOD 15
:RN-CP
TO ED BOARD
CN753
R54 R55 R56
10k 10k 10k
:RN-CP :RN-CP :RN-CP
:RN-CP
R72 3.9k :RN-CP
-12V
R97
1k
:CHIP
C31
10µ
0
R103
100k
:CHIP 0
10.6
CN751
Q10 -11.9
15P
2SA1162
PIN MOD PROT
DRIVE.CONT 1
Q14
DTC144EKA
NC 2
PIN MOD PROT
PIN.MOD.FB
3
4
DRIVE.CONT.PULSE
H.DRIVE 5
GND 6
HOT.PULSE 7
GND
8
IB2.DET 9
GND 10
H.SIZE.FB.P 11
GND 12
H.STOP
13
12VHD 14
PIN.MOD.PROT 15
TO ED BOARD
CN752
VPH-G90J/G90E/G90U/G90M
A B
+12V
R1
R2
2.2k
2.2k
RV1 :RN-CP
:RN-CP
R3 200k
100k R5
:RN-CP 0 2.2k
6 :RN-CP 8 -3.3
7 2 (-3.7)
0
5 1
R4 0 3
3.3
2.2k R6
(3.5) IC1(2/2)
4
:RN-CP 1k
0 µPC4558G2
:CHIP
HV CORRECT AMP
IC1(1/2)
R7 C2
µPC4558G2
1k 0.01
HV CORRECT AMP :CHIP :CHIP
+12V
R18
10k
:RN-CP
R21
10k
:RN-CP
C7
4.7
:BP
R27
R14 47k
IC7(1/2)
1k :CHIP
µPC4558G2 R30
:RN-CP -0.3
1M :CHIP
F-V AMP
R36
IC5(1/2)
0 47k R37 R38
:RN-CP µPC814G2-T1
2 0 8 3.3k 150k
1 6 :CHIP 0 F-V AMP :CHIP
0 TP2
3 7 2
R35
0
-3.7 5 1
12k
0
:RN-CP (-3.3) 0 3
4
OFF SET ADJ
R40
IC7(2/2)
R127 R42 3.3k
IC8(1/2)
µPC4558G2 :CHIP
560k 22k
:RN-CP :CHIP F-V AMP µPC4558G2
F-V AMP
R47 R41 R48
4.7k 3.3k
C14 10k C15
33 :CHIP 33 :CHIP
:RN-CP
16V 16V
R53 10k :RN-CP
-3.2 R62
0 (-3.4) 33k
6
:RN-CP
7
5
IC6(2/2)
Q5
HD14538BFP
IC8(2/2)
DTC144EKA F-V CONVERTER
R63
0
µPC4558G2 H STOP
R64 1k
R65
F-V AMP :CHIP
10k 4.7k C18 R67
D7
:CHIP 100
100k
1S2837
0 16V
C20 :CHIP
H STOP MASK 0.001
10.5 H STOP GATE
:PT
0 0.6
15 14
C19 R74
0.01 10k T1 T2
12 10
:MPS :CHIP
A Q
11
B
D13
+12V 1S2837
0.2 13 9
R79 CD Q
DISCHARGE 100 (0.4)
:CHIP
R81
10.6
4.7k :CHIP
D10 Q11 IC12(1/2)
1S2837 2SC2712 µPC393G2-T1
CHARGE H OSC BUFFER H OSC
C29
R88
1
11.6 3.3k
:CHIP 11.8
C32 R100
R110
100k (10.2)
10
1k
C34 :CHIP Q13
:CHIP
10 2SA1162
5.2
5.2 CONST AMP
(5.7)
(5.8) 8
1(0.8)
2
1
3
R109
5.3 1
1k R113
(5.8) (0.9)
R108 :CHIP 4 33
R114 3.8
47k :CHIP
Q19 47k (3.7)
:CHIP
2SA1162 :CHIP
C38
H OSC BUFFER 0.001
:PT 3.3
R118
Q20
47k
2SC2712
:CHIP
CONST AMP
C
EA EA
R10
D1
33k C5
IC5(2/2)
1S2837-T1 :RN-CP
C6 10
PROTECTOR µPC814G2-T1
1
F-V AMP
R15
10k
C8
:RN-CP
100p R19
0.3
CH:CHIP * 10k R28
R29
0 (0.9)
:CHIP 8 10k 10k
5 :CHIP :CHIP
IC6(1/2)
R23 1 2 7
16
HD14538BFP
15k 6
:RN-CP F-V CONVERTER
VCC T1 T2 0.4
4 A Q 6 4 (1.4)
C12 0.3
5 (1.3)
B 0.033 S
0
8
:MPS
Q3
2 3 7 C9 C10
CD Q
0 2SK160
1 0.1 0.1
5.1
3 GND 11.1 F-V SW :MPS :MPS
(5.7)
5.1 (7.9)
8
4
0
D4
1S2837
CLAMP
R49
4.7k
:CHIP
D5
R51 R44
1S2837
3.3k 10k R57 R58 R59
:CHIP PROTECTOR :CHIP
18k 47k 100k
-12V
:RN-CP :RN-CP :RN-CP
Q4 TP3
2SC2712 1
+12V
HD BUFFER
SIZE DET
R68
D8
2.2k
1S2837 C21
:CHIP
10
R70
R71
1k
0 1k
:CHIP
0.2 (0.3) :CHIP
(0.4)
Q7
2SK160 C25 R76
0.1 100
HD SW
:MPS :CHIP
12.1
S -0.4 D9
Q6
1S2837
R75
2SA1162 CLAMP
100
HD BUFFER
:CHIP
L1
Q8
4.7mH
2SC2712
DISCHARGE
Q16
Q9 Q12
2SC2712
2SC2712 2SA1162
IB2 CONST
POW SUP DRIVE IB CONST
R89 R90 R91 R92 R93 C30
100k 100k 3.3k 10k 100 0.01
Q15 12.1
:CHIP :RN-CP :CHIP :RN-CP :CHIP :MPS
R98
2SC2688-L
27k
IB2 CONST
11.2 :RN-CP
IC12(2/2)
(9.7) 47.7 C35
µPC393G2-T1
(86.5) 33
0
R104
H OSC 4.4 16V
1k
11.4 :CHIP
5 0 R107
(11.7)
7 220k
6 8.5 8 :CHIP 0.2
R115
Q17
(6) (5.8) 1k (0)
2SC2712
3.8 :RN-CP 8.6
8.5 R116
(3.7) (5.9) IB CONST
3.8 (6) 3.9k
R117
:RN-CP
R119 R121 10k
R120
47k 4.7k :CHIP
:RN-CP 2.2k
:CHIP
:CHIP
C39
0.1
Q21 Q22
:MPS
2SC2712 2SA1162
CONST AMP POW SUP DRIVE
10-107 10-107
D E
PIN MOD AMP
C26
1
+12V
TP4
-10.4
+12V (-10.2)
4.3
+12V
R12 R13 R16
C4 3.3k 3.3k 3.3k
R11
10 R20 3.3k :CHIP :RN-CP :CHIP
33k :RN-CP
F-V
:RN-CP
R22
0.4 12k 4.9 4.3
TP1
(0) :RN-CP
R24
R25
3.3k
0 4.7k
2 :RN-CP 8 4.7
:CHIP
1 6
3 7 R32
R33
1 5 10k
1k
(3.1) :CHIP
3.2
:CHIP
R31 0 4 :RN-CP
IC4(1/2) IC2
3.3k C13
µPC4558G2 :CHIP 100 -10.8 MC1495BP 0
F-V AMP 16V PIN MOD -1.3
0 R39
IC4(2/2) C27
2.2k
µPC4558G2
-1.3 :CHIP
R43
F-V AMP
2.2k
:CHIP
R45 -1.6
1.8k (-2.2)
:CHIP
R52
-1.3
-0.2 2.2k
(-0.9) :CHIP
D6 IC9(1/2)
0
RV2 ERA22-06 µPC393G2-T2
100k
H P DETECT H SIZE PROT
-12V
R61 C17
R60
C16 33
4.7k -12V
0.1 10k
:CHIP 16V
:RN-CP
:MPS
TP5
4.6
8
(5)
2
1 R66
6.9
3 47k
:CHIP
4.6 4
R69 (5)
10k 5
D11
:RN-CP 7
6 1S2837
11.1
R73
1.7(1.6)
C23
3.3k
0.01
C22
:RN-CP
0.01 :MPS
:MPS
15.1
IC9(2/2)
(16.5)
µPC393G2-T2
H SIZE PROT
R77
C24 1k
1 :CHIP
-0.5
(-0.4) D12
ERA22-06
CLAMP
+12V
R94
100k R96
:CHIP 10k
:RN-CP
R105
5.6k
0 :RN-CP
Q18
2SC2712
2.6
H PULSE DETECT
(2.8) (MAIN H DEFRECTION(2))
R122 C40 R123
47k 0.1 3.9k
:MPS :RN-CP
:CHIP
F G
1
C3
470p
:CHIP
IC3(1/2)
R8
MC1436CP1
82k
:RN-CP
D2
1S2837
+24V
PROTECTOR
Q1
2SC2712
2
BUFFER
R17
-5.9
10k
(-8)
:CHIP
R125
R124 100
7
100 :CHIP
2
:CHIP
6
3
R126
-6.7
4 100
R26 (-11.3)
27k :CHIP
Q2
2SA1162
1 BUFFER
D3
-24V
1S2837
PROTECTOR
C41
R50
470p
1k
:CHIP
:CHIP
3
4
EA
B-%SX1640<AEP>-EA
5
H