Sony STR-DH720 Service Manual page 50

STR-DH720/DH720HP
IC210 NJM2595M-TE2 (STANDBY-A VIDEO PC BOARD)
VOUT1 1
SW5 2
3
VIN5
SW3 4
VIN4 5
S3
SW4 6
7
VIN3
S2 S4
8
V-
-V
IC220 NJM2586AM (STANDBY-A VIDEO PC BOARD)
1
CH1 IN1
BIAS
SW1 2
CH1 IN2 3
BIAS
SW2 4
CONT2
CH1 IN3 5
BIAS
6
GND
V+1 7
CH2 IN1 8
BIAS
GND 9
CH2 IN2 10
BIAS
GND 11
CONT2
CH2 IN3 12
BIAS
50
75
6dB
DRIVER
AMP
S5
S6
S1
S7
75
6dB
24
DRIVER
AMP
CONT1
23
75
6dB
22
DRIVER
AMP
CONT1
21
75
6dB
20
DRIVER
AMP
CONT1
19
18
17
BIAS
16
15
BIAS
14
13
BIAS
CONT2
+V 16 V+
15 VOUT2
14
SW1
13
VIN1
12
GND
11 VOUT3
10 SW2
9
VIN2
CH1 OUT
PS
CH2 OUT
V+2
CH3 OUT
GND
V-2
CH3 IN1
V-1
CH3 IN2
GND
CH3 IN3