Epson STYLUS Scan 2000 Service Manual page 141

Stylus Scan 2000
Table 7-6. Connector Pin Assignment-CN7
Pin No. Signal Name
1 CR-A O
2 CR-B O
3 CR-/A O
4 CR-/B O
Table 7-7. Connector Pin Assignment-CN8
Pin No. Signal Name I/O
1 PF-A O
2 PF-B O
3 PF-/A O
4 PF-/B O
Table 7-8. Connector Pin Assignment-CN9
Pin No. Signal Name I/O
1 COB I
2 COC I
3 THM I
4 GND O
5 LAT O
6 GND O
7 SI6 O
8 SI5 O
9 SI4 O
10 SI3 O
11 SI2 O
Appendix
I/O Function
Phase drive signal (A)
Phase drive signal (B)
Phase drive signal (/A)
Phase drive signal (/B)
Function
Phase drive signal (A)
Phase drive signal (B)
Phase drive signal (/A)
Phase drive signal (/B)
Function
I/C black detect
I/C color detect
Thermometer detect system
Ground
Head data latch pulse output
Ground
Head data output (6)
Head data output (5)
Head data output (4)
Head data output (3)
Head data output (2)
Table 7-8. Connector Pin Assignment-CN9
Pin No. Signal Name
12 SI1
13 GND
14 CLK
15 GND
16 NCHG
17 GND
18 VDD
19 GND2
20 GND2
21 GND2
22 GND2
23 COM
24 COM
25 COM
26 COM
27 VHV
Table 7-9. Connector Pin Assignment-CN10
Pin No. Signal Name
1 +12V
2 +12V
3 GND
4 GND
5 +5V
6 +5V
Connector Summary
Revision A
I/O Function
O Head data output (1)
O Ground
O Clock pulse for head data transfer
O Ground
O Head all on pulse output
O Ground
O Logic power supply (+5V)
O Ground
O Ground
O Ground
O Ground
O Head drive power supply
O Head drive power supply
O Head drive power supply
O Head drive power supply
O Head drive voltage control signal
I/O Function
I Mechanism drive power supply
I Mechanism drive power supply
I Ground
I Ground
I Logic power supply
I Logic power supply
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