Epson 1240U Service Manual page 49

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