Sony VPH-G90U Service Manual page 494

CAB (1/3) BOARD
1
J280
TO MA BOARD
J3
2
2
CN282
FL111
8P
BMK400 :EMI
CLAMP.P 1 EMI
FL112
TP22
GND 2 BMK400 :EMI
HD
HD EMI
3
FL113
TP23
GND 4
BMK400 :EMI
VD1
VD 5 EMI
FL114
GND 6 BMK400 :EMI
EMI
BLKG.P 7
GND
8
3
TO M BOARD(2/2)
CN522
LIMIT
BKG
3
FL101
BMK181 :EMI
CN280 2 1
EMI
9P
FL102
BMK181 :EMI 3
BKG_B
1
2 1
LIMIT_B 2 EMI
FL103
ABG.ON/OFF 3 3
BMK181 :EMI
F-V 4 2 1
EMI
FL104
+6V 5
BMK181 :EMI
3
+13V
6 2 1
EMI
GND 7
3
GND 8
TP11
GND
-13V 9
TO M BOARD(2/2)
CN522
4
FL21
BMK181
:EMI
-13V
2 1
EMI
3
FL12
BMK181 :EMI
+6V
2 1
EMI
3
D12
DAN202K
5 PROTECTOR
+13V
13V
FL11
BMK181
:EMI
13.9
2 1
EMI I
C11 G
220
3
25V IC12
:AL-CP
BA12FP-E2
+12V REG
A B
B
5
1 RB81 R82
+5V
100 1k :CHIP
TP21 :CHIP
CLAMP.P
R83
1 2 4.7k :CHIP
3 4
R84
100
5 6
:CHIP
C81
TP101
7 8 GND 0.1
25V
B:CHIP
R85
2.7
100
TP24
:CHIP
BLKG.P
4
HD.OUT
0
VD.IN
0.9(0)
CLAMP.P
BLKG.P.IN
OUT
GND
IC101
VCC
C51
PULSE GEN IC
RB51 0.1
100 25V PULSE GEN
:CHIP B:CHIP
EPM7064STC44-10-PULSE WIDE.P
0(4.9)
1 2
ABG.ON/OFF 0
3 4
VCC MEDIUM.P
4.9(0)
5 6
F/V GND
7 8
NARROW.P
2.8
5V
4.9
R63
10k
R51 :CHIP
10k :CHIP
+5V
C61
0.1 25V B:CHIP
5V
D16
12V
DAN202K
PROTECTOR
+12V +5V
12.0
6.7 4.9
O I O
C12 C15 G C16
330 470 470
IC16
16V 10V 10V
:AL-CP :AL-CP BA05FP-E2 :AL-CP
+5V REG
C
CAB (1/3) CAB (1/3)
5V
R106
C106
470 :RN-CP C105
10
0.1
16V
25V
:TA-CP
B:CHIP
R105
430
:RN-CP
SHDN
-0.4 NC
VCC
0(-0.6)
-IN
+IN OUT
R103 -1.5(-0.8)
47
VEE NC
:CHIP
R101 R102
IC102
150 150
MAX4224ESA
:RN-CP :RN-CP
AMPLIFIER
C108
-5V C107
10
0.1
16V
5V 25V
:TA-CP
B:CHIP
6 7
TP34 TP35
VD OUT BLKG.P+WIDE.P
IC171(2/2)
AD828AR
R75
0 R180 AMPLIFIER R184
0(0.2) :CHIP 100 :CHIP 0 100
5 :CHIP
7
-0.2
R76 6
(-0.1)
0 -0.2(-0.1)
0(0.1) 2 4 6 8
R183
R182 1k
RB71
1k :CHIP
4.7k
:CHIP
:CHIP
R171
TP71
100
WIDE.P
:CHIP
C71 1 3 5 7
0.1
25V TP72
1 2 (-0.4)
B:CHIP MEDIUM.P
8
2.9 3 4
5 6
TP73
9
NARROW.P
7 8
RB72
10
100
:CHIP
12V
C445 C444
0.1 1
25V 16V
:TA-CP
B:CHIP
R447
10
R445
:CHIP
Q446
4.7k
:CHIP 2SC3545
11.8
R446 BUFFER
100 R448
:CHIP 100 :CHIP
0.1
C441 0.1
220p
Q441
B:CHIP
Q447
2SC3545
C446 2SA1162
AMPLIFIER 0.1
220p
BUFFER
B:CHIP
R441 0.7
4.7k
:CHIP
D22 D24
-12V -5V
DAN202K DAN202K
PROTECTOR PROTECTOR
-12V -5V
-13.6 -11.8
-4.8
I O I O
C21 G -11.8 G
220 C22
C24
25V 330 IC24
IC22 470
:AL-CP 16V NJM79L05UA 10V
LM2990SX-12
:AL-CP :AL-CP
-5V REG
-12V REG
10-132 10-132
D E
C136 C135
12V 10
0.1
16V 25V
:AL-CP B:CHIP
R135 R131
680 2.2k
:RN-CP :RN-CP
R136
680
:RN-CP 8.5(2.3)
Q133 8.1(3.6)
2SA1462
BUFFER
R133 R132
220 4.7k
3.8
:CHIP :RN-CP
(2.9)
D121
1SS123
DC LEVEL SHIFT
B
C111
100
R121
6.3V 2.4
47
:AL-CP
:CHIP
Q121
2SA1669
1.8 BUFFER
R155
2.2k
:CHIP
C152
0.0047
B:CHIP
C151 R151
0.0047 10k 12V
Q141
:CHIP :CHIP
2SK160
C153 SAMPLE HOLD SW
0.1
25V R145 R140
B:CHIP R147 12k R143 R141
2.7
0 :RN-CP 100 1M :CHIP
8 2.1 (3.0) 5
:CHIP :CHIP :CHIP
2
7
6
1
IC141(1/2) 3 1.8
RV145
µPC814G2-E2 1.8
-2.1 22k
S CLAMP & BUFFER (2.0)
(-0.6) 4
R148 C146
1k 0.1
IC141(2/2)
C154 :CHIP 25V C142 -3.2
µPC814G2-E2
0.1 B:CHIP R146 0.001 (-2.4)
S CLAMP & BUFFER
25V 22k B:CHIP
B:CHIP :RN-CP
12V C141
0.01
C171 B:CHIP
0.1
25V
B:CHIP C172
IC171(1/2) 1
16V R142
AD828AR
:TA-CP -12V 100
AMPLIFIER
:CHIP
R174
0(0.1) 8 100
3 0(0.1)
:CHIP
1
-0.6 2
R173
4 1.2k
:CHIP
R172
1k
:CHIP C174
1
16V
C173
:TA-CP
0.1
25V
-12V
B:CHIP
12V
C455 C454
0.1 1
25V 16V
:TA-CP
B:CHIP
R457
Q456
10
R455 2SC3545
:CHIP
11.8
4.7k BUFFER
:CHIP
R456
R458
100
100 :CHIP
:CHIP 0
C451 0
220p
Q451
B:CHIP
Q457
2SC3545
2SA1162
AMPLIFIER 0
C456
220p BUFFER
B:CHIP
R451 0.7
4.7k
:CHIP
CAB
(1/3)
(BLUE PRE AMP)
F
C132
0.1
25V
B:CHIP
VIDEO OUT
1k
2.6(2.9)
HD.P
WIDE.P
MEDIUM.P
BLKG.P+WIDE.P
NARROW.P(12V)
VD(12V)
B-%SX1640<AEP>-CAB-1
VPH-G90J/G90E/G90U/G90M
G H