Onkyo TX-SR602 Service Manual page 29

A
SCHEMATIC DIAGRAM 10
I/O termianl sections
1
U114
IN3
TORX179L
2
U113
IN2
U112
IN1
U111
OUT
3
IN2
IN1
4
5
B
NADG-8368
120V model only
R125
1
IN
330
3
VCC
2
GND
R124
1
IN
330
3
VCC
2
GND
VOPT
TORX179L
R123
1
IN
330
3
VCC
2
GND
TORX179L
3
IN
2
VCC
1
GND
TOTX179L
R117
R114
C117 10K
L113
4
022M
104K
10
R113
C116
L112
2
022M
10 104K
C113
5
102k
U4
C
L115
VQ112
022M
L116
022M
C119
080D
R119
10K
L114
022M
R118
C118 10K
080D C120
080D
TX-SR602/E
D
TX 12
DGND 11
RX5 10
RX4 9
DGND 8
RX3 7
RX2 6
DGND 5
RX1 4
RX0 3
DGND 2
DSP5V 1
P120A