Epson Perfection 3200 Photo, Service Manual

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EPSON Perfection 3200 Photo Revision A
Appendix Connector Layout 62
Table 7-5. Main Board CN7
Table 7-6. Main Board CN8
Table 7-7. Main Board CN9
Table 7-8. Power Supply Board CN1
Table 7-9. Power Supply Board CN102
Pin No. Signal I/O
1 A O
2 B O
3 AX O
4 BX O
Pin No. Signal I/O
1 GND –
2 OP-LED I
3 ERR-LED I
4 PM-SW I
5 PWA-SW I
6 PWA-CTAL O
7 +5 I
8 +5 I
9 GND I
10 GND –
11 +24 I
12 +24 I
13 GND –
14 +12V I
Pin No. Signal I/O
1 GND –
2 GND –
3 +24 O
4 LOD O
5 GND –
6 RXD I
7 TXD O
8 SCK O
01 01 –
02 02 –
03 03 –
Pin No. Signal I/O
1 AC (H) I
2 AC (L) I
Pin No. Signal I/O
1 OP-LED O
2 ERR-LED O
3 PUSH-SW I
4 SW-SENS I
5 PSC O
6 GND –