Sony VPH-G90U Service Manual page 496

CAB (3/3) BOARD
1
12V
C612
0.1
25V
B:CHIP R619
C610 150
C611
47
0.1 :RN-CP
16V
25V R606
:AL-CP
B:CHIP 33k
:RN-CP
Q605
2SC3545 9.8
C606
11.8 (10)
BUFFER
0.1
(11.5)
25V
B:CHIP
Q618
2SA1462
R605
BUFFER
220
:CHIP
11.6
(13.1) 3.2
(3.9)
R607
47
:CHIP
D612
1S2837
DC SHIFT
D611
1SS123
DC SHIFT
2
BKG1
(3.2)
2SA1669
2.7 BUFFER
(3)
G1 SIGNAL
R609
0
R610
:CHIP 47
:CHIP
3
R592
0 :CHIP
VD(12V)
R593
0 :CHIP
4
R591
47
B :CHIP
K SIGNAL
C593
C594 0.1
10 25V -5V
16V
B:CHIP
:TA-CP
5
LIMIT
A B
C648 C647
C631 C632 47 0.1
C633
16V
1000 100 0.1 25V
16V :AL-CP
16V 25V B:CHIP
:TA-CP B:CHIP
Q647
L648
220µH 2SC3545
R632 R633
:CHIP BUFFER
100 100
:RN-CP :RN-CP
R616 Q645
1.2k
2SA1669
:RN-CP
Q631
AMPLIFIER
2SC3356
10.5
10.5 9.5(9.7) 9.8(10)
AMPLIFIER
4.2(3.6)
R618 R645 R646
C617
100 0.1 5.2 10 10k
:CHIP 25V R631 :CHIP :CHIP
(3.8)
B:CHIP 47 4.1
:CHIP
(4.5)
9.5
RV623
500
R617
L TYPE
4.7k C636
6p
:RN-CP C646
CH:CHIP
0.1
R635 25V
R636
390 R650 B:CHIP
220 330
:RN-CP
:RN-CP :RN-CP
D615
1SS123
DC SHIFT
C671
+12V IC661(1/2)
0.1
R676 µPC814G2-E2
25V
SAMPLE HOLD
10
B:CHIP
:CHIP
D667
R668
10.5(9.3)
R672 UDZ10B
1k
8
1.7 100 :CHIP IC661 PROT
Q671 3
(1.5) :CHIP
2SC3545
1
2 3.5
BUFFER
3.3
4
1.8(0.1)
12V
2.5
C669
0.47
R675
16V
Q610
100 B:CHIP
:RN-CP
R669
22k
:CHIP
D672
RV682
1SS123
C672 5k
Q671 PROT
0.1 L TYPE
25V
B:CHIP
C683
0.1
25V
B:CHIP
12V
+12V
C702 C703
47 0.1
16V
25V
:AL-CP B:CHIP RV718
2k
L TYPE
R595
560 5V
:CHIP C591
0.1
25V
Q701
B:CHIP
2SC3357
AMPLIFIER
C701
NC SHDN R711
C592
47
10 R596 270
16V
VCC 16V 0 R701 :RN-CP
:ALB-CP
:TA-CP :RN-CP 47
B :CHIP
R712
220
3.5 2.7
CH:CHIP
:RN-CP
(3.6) (3)
VEE NC
IC595
MAX4223ESA
DELAY BUF R710 R704
100k 220
:CHIP :RN-CP
D710
1S2837
CLAMP
+12V
C791
Q797 0.1
2SC2712G 25V
R795
B:CHIP
BUFFER
10k
:RN-CP
R797
IC781(1/2) 8
100
:CHIP µPC814G2-E2 SAMPLE HOLD 3
1
2
0
3.9
(2.6)
(4) 4
3.3
(3.7)
C796 R798 S796 C793
R796 0.1 2.2k 0.47
RV796
10k 25V :CHIP K_OUT.ON/OFF_SW B:CHIP
22k
:RN-CP B:CHIP
-12V
C
CAB (3/3) CAB (3/3)
C649
10
16V
:TA-CP
+12V
R648
C638
1.2k 0.1 C639
10
:RN-CP 25V C621
B:CHIP 16V C651 C652 10
10.3 D650
:TA-CP 16V
0.1 10
UDZ2.7B 16V :TA-CP
25V
DC OFFSET B:CHIP :TA-CP
R647
220
:CHIP
Q625
R649
8.2k
2SC3356
:RN-CP
BUFFER R625
:CHIP
R651
47
8.7
:CHIP (9)
Q651
2SC3356
D625
BUFFER
1SS123
C622
5.3
DC SHIFT
4.7(4.1) 0.1
(4.2)
25V
D652 B:CHIP
1SS123
DC SHIFT
D651
1SS123
DC SHIFT
IC661(2/2)
µPC814G2-E2
Q665 SAMPLE HOLD
2SK160
R667 TP672
SWITCH
10k R661 GND
:CHIP 6 1k R654
7
:CHIP 100
:RN-CP
5
2
3.4
(1.3) 1.9
(3.5)
(1.3)
R665
1M
R655
:CHIP R658
C667 100
4.7k
0.1 -5.3 Q656 :RN-CP
:RN-CP C658
2SC3357
25V (5.2) 0.1
B:CHIP BUFFER
25V
-0.4 R657
B:CHIP
(-0.1) 220
C665
0.22 :CHIP
25V
F:CHIP
R681
-10.3 -9.7
12k
(-10.5)
:RN-CP R666 R659
1.2k
C681 1k R653
R656
:RN-CP
0.1 :CHIP 220
220
25V :RN-CP
:RN-CP
B:CHIP
R683
5.6k
:RN-CP
C656 C655
0.1 47
25V 16V
:AL-CP
B:CHIP
C718 C719 C727 C726
0.1 10 10 0.1
25V 16V 16V 25V
:TA-CP :TA-CP
B:CHIP B:CHIP
R720
220
:RN-CP
R719
470 R726 5.9
47
:RN-CP (6.1)
:CHIP
Q726
2SC3357
BUFFER
5.5
(5.7)
C722
0.1
D726
25V
B:CHIP RD6.2E2B2-T1B2
DC OFFSET
Q723
R724
2SC3545
4.7k
BUFFER
:RN-CP
Q721
R723
2SC3356
100
AMPLIFIER
:CHIP
6.2 R721
3.2
47 R731
:CHIP
4.7k
C732 B
2.3 :RN-CP
C712 0.1
C725
(2.9)
8p 2.5 0.1 25V
R727
R722 R725 25V B:CHIP
1.6 47
2.2k
1.8k B:CHIP R733
:CHIP
:CHIP :RN-CP 100
Q733
:CHIP
2SC3357
BUFFER
R717 TP752 -2.2
GND (-2.3) -2.7
100
R732
:RN-CP R734 (-3.1)
5.6k 330
:RN-CP
1/2W
:CHIP
C738
C784
-12V
0.1
0.1
25V
25V
B:CHIP
B:CHIP R784
12k
R787
R789 :RN-CP
1k
1.1 1k
:CHIP
:CHIP
1.1
RV785
5k
R791 L TYPE R785
10k
2.2k
:CHIP :RN-CP
C787
0.1
C785
25V
0.1
B:CHIP
25V R786
B:CHIP 1k
:RN-CP
C789
0.1
25V
B:CHIP D787
UDZ10B
IC661 PROT
VD(12V)
10-134 10-134
D E
D691
UDZ2.7B
DC OFFSET
R621
C691 C692
2.2k 10
0.1
:RN-CP 16V 25V
:TA-CP
B:CHIP
220 R693
10
RV622 :CHIP
2k
L TYPE
12
TP691
R622 G1 PACK IN
100
Q691
:RN-CP
2SC3356
9.8
BUFFER
R691 (9.5)
47
:CHIP
R695
10 :CHIP
4.7
(3.9)
3.6
(3.5)
4.1
(3.2)
3.4
(2.6) R696
10 :CHIP
Q692
R692 2SA1669
47 13V
BUFFER
:CHIP -9.1
(-9.6)
R698 R699
1.0k 1.0k
1/2W 1/2W
:CHIP :CHIP
C698 C699
10 0.1
16V
25V
:TA-CP B:CHIP -12V
-12V
-12V
C755 C756
10
0.1
16V 25V
:TA-CP
B:CHIP
B
D751
UDZ2.7B
C759 R742
2.2k DC OFFSET
R754 R755 0.1 C752 C751
220 220 25V :RN-CP 10 0.1
:RN-CP :RN-CP B:CHIP 16V 25V
:TA-CP
B:CHIP
R738 R739
10.2 R753
220 1.2k R743
(10) 10
:CHIP :RN-CP 1.0k
:CHIP
Q738 :RN-CP
2SA1462 C758 9.7 Q751
R740 K PACK IN
BUFFER 0.1 (9.6) 2SC3356
4.7k
9.5 25V
BUFFER
:RN-CP
1.3(1.2) B:CHIP
(9.4) 1.4(0.8)
R757
10 :CHIP
D737 R751
47 :CHIP
1SS123
DC OFFSET 0.8(1.0)
R756
0.6
10 :CHIP
(0.4)
R752
47 :CHIP
D738
1S2835
Q752
OR 0 2SA1669
BUFFER
-11.6
0 3.5
R736 R741
(5.8) (5.2)
47 220
:CHIP :CHIP
Q736
2SA1669
0 BUFFER 7.1 R746
(7.2)
5.6k
Q741 :RN-CP
-3.6
2SA1462
(-1.2)
R735 LIMIT
R745
R737 1.2k
1.2k 1/2W C745 2.2k R758 R759
:RN-CP 1.0k 1.0k
1/2W :CHIP 0.1
:CHIP 1/2W 1/2W
25V
:CHIP :CHIP
C737 B:CHIP
0.1
25V
B:CHIP
C760
-12V
0.1
25V
B:CHIP
R781 -12V
Q781
1k
2SK160
:CHIP
1.0 0.8
SWITCH 0.8
(1.1) (0.9)
5
7
6
R782
1M
:CHIP
-7.5
(-7.4)
IC781(2/2)
C781
µPC814G2-E2
0.22
SAMPLE HOLD
25V
F:CHIP
R783
1k
:CHIP
CAB
(3/3)
(BLUE PRE AMP)
B-%SX1640<AEP>-CAB-3
F
CAB BAORD (2/3) IC570
TC4W53FU
ch1
6
ch0 1 C
7
OPEN
A 5
MEDIUM.P
2 3
NARROW.P(12V)
INH V
EE
CN283
18P
B TO B
G1
1
2 NC
3 GND
VD(12V)
4
5 NC
6 NC
+13V
7
8 GND
9 GND
-12V
10
11 NAR.P(12V)
12 MEDIUM.P
NC
13
14 NC
15 K_OUT_DET
GND
16
17 NC
18 K
TO CDB BOARD
CN290
TP751
13
VPH-G90J/G90E/G90U/G90M
G H