Sony VPH-G90U Service Manual page 399

BA BOARD (4/12) IC609, 611
MP7670AS
1 2 3 4 5 6 7 8 9 10 11 12
1 2 3 4 5 6 8 9 10 11 12
5
3
LATCH A DACA
4
2
DACB
LATCH B
23
1
DACC
LATCH C
22
24
LATCH D DACD
8
10
LATCH E DACE
9
11
DACF
LATCH F
14
12
DACG
LATCH G
15
13
LATCH H DACH
6
LOGIC CONTROL
A3 A2 A1 A0 D7 to D0
SERIAL ¥ SHIFT ¥ RESISTER
24 23 22 15 14 13
24 23 22 21 20 19 18 17 16 15 14 13
VPH-G90J/G90E/G90U/G90M
A B
BA BOARD (6/12) IC1002
CXA1855Q
48 47 46 45 44 43 42 41 40
EV
V2
V2 1
LV2
LV2 2
Y2
TV
Y2 3
RV2
RV2 4
SELECTOR 6dB
C2
C2 5
S2
S2 6
V3
V3 7
LV3
LV3 8
Y3
Y3 9
RV3
RV3 10
C3
V1-3 Y1-3
C3 11
S3
S3 12 SELECTOR 6dB
0dB
0dB
C1-3
SELECTOR 6dB
V1-3 TV,EV
SELECTOR 6dB
Y1-3
SELECTOR 6dB
0dB
0dB
C1-3
SELECTOR 6dB
V1-3 TV,EV
SELECTOR 6dB
SELECTOR 6dB
SELECTOR 6dB
10-37
C D
BA BA
39 38 37
BIAS
VOUT1
LEV
LV1-3,LTV
YIN1
SELECTOR 6dB
REV
RV1-3,RTV
TRAP1 SELECTOR 6dB
LVE
LV1-3,LTV
SELECTOR 6dB
REV
CIN1
VOUT2 RV1-3,RTV
SELECTOR 6dB
YOUT2 LEV
LV1-3,LTV
SELECTOR 6dB
TRAP2
REV
RV1-3,RTV
SELECTOR 6dB
COUT2
VOUT3
LOGIC
13 14 15 16 17 18 19 20 21 22 23 24
BA BOARD (8/12) IC1404, 1407
MM1112XFF
1 8
SW 6dB
2 7
SW
IN2
3 6
15K 15K
NC
4 5
BIAS
10-37
E
BA BOARD (6/12) IC1001, 1006
NJM2235M
V OUT V+ VIN3
8 7 6 5
BUFFER
36 BIAS
TRAP1
35 TRAP1
VOUT1 BIAS
34 VOUT1
33 LOUT1
1 2 3 4
32 ROUT1
CTL1 VIN2 CTL2
YIN1
31 YIN1
30 GND
CIN1
29 CIN1
28 MUTE
EV
27 EV
REV
26 REV
LEV
25 LEV
BA BOARD (6/12) IC1004
NJM2240M
PHASE
FSC OUT 1
COMPARATOR
SEARCH
DET FIL 2
CIRCUIT
GND 3
4
OSC OUT
BA BOARD (6/10) IC1005
NJM2533M
1 8
SW
OUT 6dB
2 7
SW
IN2
VCC 3 6
30K 30K
NC
NC 4 5
BIAS
F G
1
2
3
DIVIDER
8 NC
CIRCUIT
7 R
6 +V
VCO 5
OSC C
4
OUT
5
VCC
NC
H