Epson Stylus C82 Service Manual page 53

EPSON Stylus C82
Table 7-3. CN8 - Printhead
Pin Signal Name I/O
24 CSD Out
25 GND -
26 COO In
Table 7-4. CN9 - Printhead
Pin Signal Name I/O
1 GND -
2 SI2 Out
3 GND -
4 SI1 Out
5 GND -
6 SCK Out
7 GND -
8 CH Out
9 GND -
10 AND2 In
11 GND -
12 AND1 In
13 GND -
14 LAT Out
15 VCC3.3 Out
16 NCHG Out
APPENDIX
Function
CSIC serial data
Ground
Cartridge out signal
Function
Ground
Print data output for color nozzles
Ground
Print data output for black nozzles
Ground
Serial clock
Ground
Charge signal for the Trapezoidal wave-form
Ground
Abnormal temperature section circuit for the
color nozzles
Ground
Abnormal temperature section circuit for the
black nozzles
Ground
Head data latch pulse output by 64 bit
Power for CSIC chip
Source signal for driving Trapezoidal wave-
form
Connector Summary
Table 7-4. CN9 - Printhead
Pin Signal Name I/O
17 GND -
18 COM Out
19 VBS Out
20 COM Out
21 VBS Out
22 COM Out
23 VBS Out
24 COM Out
25 GND -
26 VHV Out
Table 7-5. CN12 - PF encoder
Pin Signal Name I/O
1 GND -
2 ENB In
3 VCC Out
4 ENA In
5 GND -
Table 7-6. CN13 - PF motor
Pin Signal Name I/O
1 PF-A Out
2 PF-B Out
Revision A
Function
Ground
Head drive pulse (trapezoid waveform)
Power for nozzle selector IC
Head drive pulse (trapezoid waveform)
Power for nozzle selector IC
Head drive pulse (trapezoid waveform)
Power for nozzle selector IC
Head drive pulse (trapezoid waveform)
Ground
+42V for the common voltage
Function
Ground
Feed-back signal from PF encoder ch. B
Power for the PF encoder
Feed-back signal from PF encoder ch. A
Ground
Function
Phase drive signal (-A)
Phase drive signal (-B)
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