Epson Stylus SCAN 2000 Service Manual page 148

Stylus Scan 2000
Table 7-8. Connector Pin Assignment-CN9
Pin No. Signal Name I/O
7 SI6 O
8 SI5 O
9 SI4 O
10 SI3 O
11 SI2 O
12 SI1 O
13 GND O
14 CLK O
15 GND O
16 NCHG O
17 GND O
18 VDD O
19 GND2 O
20 GND2 O
21 GND2 O
22 GND2 O
23 COM O
24 COM O
25 COM O
26 COM O
27 VHV O
Appendix
Function
Head data output (6)
Head data output (5)
Head data output (4)
Head data output (3)
Head data output (2)
Head data output (1)
Ground
Clock pulse for head data transfer
Ground
Head all on pulse output
Ground
Logic power supply (+5V)
Ground
Ground
Ground
Ground
Head drive power supply
Head drive power supply
Head drive power supply
Head drive power supply
Head drive voltage control signal
Connector Summary
Table 7-9. Connector Pin Assignment-CN10
Pin No. Signal Name I/O
1 +12V I
2 +12V I
3 GND I
4 GND I
5 +5V I
6 +5V I
7 +3.3V I
8 GND I
9 GND I
10 +42V I
11 +42V I
12 PSC O
13 SW4 I
14 SW5 I
15 SW1 I
Table 7-10. Connector Pin Assignment-CN11
Pin No. Signal Name I/O
1 VCC O
2 GND O
Revision A
Function
Mechanism drive power supply
Mechanism drive power supply
Ground
Ground
Logic power supply
Logic power supply
Logic power supply
Ground
Ground
Mechanism drive power supply
Mechanism drive power supply
Power supply switch output signal
Panel switch input (4)
Panel switch input (5)
Panel switch input (1)
Function
Ground
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