9-4
NOTE: CBA AND PWB MEANS PRINTED WIRING BOARD.
A7121SCM2
Main 2/5 Schematic Diagram
MAIN 2/5
Ref No.
Position
IC31
I-1
IC61
K-1
IC851
G-3
IC852
J-4
CN61
L-2
CN62
G-2
ICS
CONNECTORS
CN61
1
0
2
1.9
3
5.1
4
3.1
5
3.1
6
0
7
3.2
8
3.4
9
3.4
10
0.1
11
0
12
0.1
13
0
14
3.1
15
3.1
CN62
1
---
2
3.3
3
0
4
3.4
5
2.6
6
1.9
7
---
8
0
9
4.4
10
0
11
0
12
0
13
0
14
---
15
2.6
16
2.6
17
0
18
~
19
~
20
~
VOLTAGE CHART
Pin No.
Voltage
Pin No.
Voltage