Epson Series Perfection 1240U Series, Service Manual

Page: 49 / 57

EPSON Perfection 1240U Revision A
Appendix Overview 49
Table 7-2. Main Board - CN1
Table 7-3. Main Board - CN2
Table 7-4. Main Board - CN3
Table 7-5. Main Board - CN4
Table 7-6. Main Board - CN6
Table 7-7. CCD Sensor Board - CN2
Table 7-8. Inverter Board - CN2
Pin No. Signal I/O
1, 3, 5, 7, 18 GND -
2 B I
4 R I
6 G I
8 B-SH O
9 R-SH O
10 G-SH O
11 SH O
12 12V O
13 F1X O
14 F2X O
15 RS O
16 5V O
17 24V O
Pin No. Signal I/O
1 +24V I
2 GND -
Pin No. Signal I/O
1 BX O
2 AX O
3 B O
4 A O
Pin No. Signal I/O
1 GND -
2 OP-LED O
3 ERR-LED O
4 PM-SW1 I
5 PM-SW2 I
6 PM-SW3 I
Pin No. Signal I/O
1 +5V O
2 GND -
3 +24V O
4 LOD O
5 GND -
6 RxD I
7 TxD O
8 SCK O
Pin No. Signal I/O
1 +24V O
2 GND -
Pin No. Signal I/O
1 LAMP O
2 LAMP O