Sony STR-DA90ESG Service Manual page 40

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IC814 MB3512PFQ (VIDEO BOARD)
36 35
37 A
VIN CC
38
A -F
CC
A
VIN 39 CC
40
A -F
CC
41
H
42
SW3
L
(Y.SW)
GND
43
(STAGE)
L
PEDESTAL
44
CLAMP
45
SVF
SYNC
AND
46
SVIN
SEPARATER
47
SS-OUT
48
1
IC816, 818 MC74HC373AN (MEMORY BOARD)
VCC 8Q 8D 7D
20 19 18 17
Q D D
C C
OE OE
Q D Q
C
C
OE OE
1 2 3 4
OC 1Q
1D 2Q
OUTPUT
CONTROL
34 33 32
PHASE
SHIFT
PHASE DET
PEDESTAL
CLAMP
PHASE
PHASE DET
SHIFT
2 3 4 5
5Q
7Q 6Q 6D 5D
16 15 14 13
Q Q
Q D D
C C
OE OE
D Q D Q D
C C
OE
OE
5 6 7 8
3Q
2D 3D 4Q
– 73 –
31 30 29 28 27
X'tal
4fsc
AMP
L
H
4fsc
AMP
X'tal
6 7 8 9 10
(ENABLE)
C
12 11
9 10
4D GND
26 25
H
L
24
L
H
23
22
C AMP
21
20
GND
19
(STAGE)
Y AMP
18
17 V
CC
16
15
V-SW
14
B/W DET
13
B/W
PLL-B
GND
11 12