Service manual

EPSON Stylus C82 Revision A
APPENDIX Connector Summary 53
24 CSD Out CSIC serial data
25 GND - Ground
26 COO In Cartridge out signal
Table 7-4. CN9 - Printhead
Pin Signal Name I/O Function
1 GND - Ground
2 SI2 Out Print data output for color nozzles
3 GND - Ground
4 SI1 Out Print data output for black nozzles
5 GND - Ground
6 SCK Out Serial clock
7 GND - Ground
8 CH Out Charge signal for the Trapezoidal wave-form
9 GND - Ground
10 AND2 In
Abnormal temperature section circuit for the
color nozzles
11 GND - Ground
12 AND1 In
Abnormal temperature section circuit for the
black nozzles
13 GND - Ground
14 LAT Out Head data latch pulse output by 64 bit
15 VCC3.3 Out Power for CSIC chip
16 NCHG Out
Source signal for driving Trapezoidal wave-
form
Table 7-3. CN8 - Printhead
Pin Signal Name I/O Function
17 GND - Ground
18 COM Out Head drive pulse (trapezoid waveform)
19 VBS Out Power for nozzle selector IC
20 COM Out Head drive pulse (trapezoid waveform)
21 VBS Out Power for nozzle selector IC
22 COM Out Head drive pulse (trapezoid waveform)
23 VBS Out Power for nozzle selector IC
24 COM Out Head drive pulse (trapezoid waveform)
25 GND - Ground
26 VHV Out +42V for the common voltage
Table 7-5. CN12 - PF encoder
Pin Signal Name I/O Function
1GND-Ground
2 ENB In Feed-back signal from PF encoder ch. B
3 VCC Out Power for the PF encoder
4 ENA In Feed-back signal from PF encoder ch. A
5GND-Ground
Table 7-6. CN13 - PF motor
Pin Signal Name I/O Function
1 PF-A Out Phase drive signal (-A)
2 PF-B Out Phase drive signal (-B)
Table 7-4. CN9 - Printhead
Pin Signal Name I/O Function