Sony STR-DH510 Service Manual page 42

Multi channel
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STR-DH510
42
IC2601 TC74VHC157FT (EL) (DIGITAL BOARD (1/3))
SELECT 11 1
16
V
CC
S
15
1A 2
1A
G
STROBE
INPUT
3
14
4A
1B
1B
4A
4B
4
13
OUTPUT
1Y
1Y
4B
2A
5
2A
4Y
11 12
4Y
INPUT
6
11
3A
2B
2B
3A
7
10
3B
OUTPUT
2Y
2Y
3B
3Y
GND 8
3Y
9
IC2602 TC74VHC393FT(EL) (DIGITAL BOARD (1/3))
14
13
12
11
Q
A
CLEAR
CLEAR
Q
Q
A
B
1
2
3
4
IC220 NJM2586AM (VIDEO STANDBY BOARD)
CH1 IN1
1
BIAS
2
SW1
3
CH1 IN2
BIAS
4
SW2
CONT2
CH1 IN3
5
BIAS
GND
6
V+1
7
8
CH2 IN1
BIAS
GND
9
10
CH2 IN2
BIAS
GND
11
CONT2
CH2 IN3
12
BIAS
INPUT
OUTPUT
INPUT
OUTPUT
10
9
8
Q
Q
Q
B
C
D
B
A
Q
Q
C
D
5
6
7
75Ω
6dB
DRIVER
AMP
CONT1
75Ω
6dB
DRIVER
AMP
CONT1
75Ω
6dB
DRIVER
AMP
CONT1
BIAS
BIAS
BIAS
CONT2
24
CH1 OUT
23
PS
22
CH2 OUT
21
V+2
20
CH3 OUT
19
GND
18
V-2
17
CH3 IN1
16
V-1
15
CH3 IN2
14
GND
13
CH3 IN3

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