Connector Summary; Major Component Unit - Epson Stylus C82 Service Manual

EPSON Stylus C82

7.1 Connector Summary

7.1.1 Major Component Unit

The Major component units of this printer are as follows.
Main Board (C486 MAIN)
Power Supply Board (C486 PSB/PSE)
Panel Board (C486 PANEL)
See the following tables for the connector summary for the C486 MAIN Board and
each connector's pin assignment.
Table 7-1. Connector Summary for C486 MAIN
Connector Function
CN1 For connection with the Parallel Interface
CN3 For connection with the USB
CN4 For connection with the PE sensor
CN8, CN9 For connection with the Printhead
CN12 For connection with the PF encoder
CN13 For connection with the PF motor
CN14 For connection with the CR motor
CN19 For connection with the Power supply board
CN20 For connection with the Panel board
Table 7-2. CN4 - PE sensor
Pin Signal Name I/O
1 PE In
2 GND
3 PEV
APPENDIX
Ref.
Table 7-2
Table 7-3, Table 7-4
Table 7-5
Table 7-6
Table 7-7
Table 7-8
Table 7-9
Function
Sensor detect signal
- Ground
- Sensor power supply
Pin Signal Name
1
2
3
4
5
6
7
8
9
10
-
11
-
12
13
14
15
16
17
18
19
20
21
22
23
Connector Summary
Table 7-3. CN8 - Printhead
I/O
GND - Ground
COM Out Head drive pulse (trapezoid waveform)
VBS Out Power for nozzle selector IC
COM Out Head drive pulse (trapezoid waveform)
VBS Out Power for nozzle selector IC
COM Out Ground
VBS Out Power for nozzle selector IC
COM Out Head drive pulse (trapezoid waveform)
GND - Ground
GND - Ground
TH In Thermistor detect signal
VCC3.3 Out Logic power supply (+3.3V)
GND - Ground
NC - Not connected
GND - Ground
ENCA In Encoder feed back signal ch.A
EVDD Out Power for CR encoder
ENCB In Encoder feed back signal ch.B
GND - Ground
CRST Out Reset signal for address counter of CSIC
GND - Ground
CSCK IN/Out Clock signal for CSIC read/write
CVDD Out Power for CSIC memory
Revision A
Function
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