Sony STR-DA7ES Service Manual page 70

STR-DA4ES/DA7ES/VA333ES
IC203 NJM2596M (S-VIDEO BOARD)
1 2
SW3
24 23
IC401 ADM3222 (E-VOL BOARD)
R2
NC 11
T2IN 12 T2
T1IN 13 T1
NC 14
R1OUT 15 R1
R1IN 16
T1OUT 17
GND 18
VCC
VCC 19
SD 20
70
3 4 5
75Ω
SW4
DRIVER
SW2
6dB
AMP
SW2
COMP
SW1
SW4
SW3 SW2
SW5
22 21 20
10 R2OUT
9 R2IN
8 T2OUT
7 V-
6 C2-
5 C2+
4 C1-
3 V+
2 C1+
1 EN
6 7 8
75Ω
VEE SW2
DRIVER
SW1
6dB
AMP
SW1
SW3
VCC
19 18 17 16
IC601 µPC2581V (A-CLASS BOARD)
IC701 µPC2581V (A-CLASS BOARD)
IC501 µPC2581V (AMP BOARD)
IC651 µPC2581V (AMP BOARD)
BIAS CIRCUIT
PROTECTOR
PRE
REG DRIVE
DRIVE
2 3 4 5 6
1
9 10 11 12
75Ω
DRIVER
SW5
6dB
AMP
SW5
SW1
SW4
SW2
SW1
15 14 13
PRE
DRIVE
DRIVE
7 8 9 10 11 12 13 14 15