Epson ActionLaser 1300, Service Manual

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1300 Manual
Appendix
Table A-1. Board Connector Summary
Connector
Description Pins Reference
Main Board MAIN Board)
Centronics parallel interface
36 pins Table 1-8
Connector for optional l/F (Type-B) card 36 pins
Table A-2
l/F (Not used)
16 pins —
Not used 84 pins
—
Connector for ROM SIMM 72 pins Table A-3
Connector for RAM SIMM
72 pins Table A-4
Video l/F (not used) 20 pins —
Connector for power supply board board) 10 pins Table A-5
Connector for thermistor
2 pins Table A-6
Connector for paper exit sensor
3 pins Table A-7
Connector
for high-voltage supply board board) 9 pins Table A-8
Connector for optical unit
13 pins Table A-9
Not used 2 pins —
Power Supply Board Board)
Connector for fan motor 2 pins Table A-1 O
Connector for main motor 5 pins Table A-1 1
Connector for main board MAIN board) 10 pin
Table A-5
Connector for interlock switch 2 pins Table A-1 2
High-Voltage Supply Board Board)
Connector for paper take-up solenoid 2 pins Table A-1 3
Main Board MAIN Board) Pin Assignments
Table A-2. Pin Assignments
Pin No.
1-6
7
8
9
10
11
12
13
14
15
16
17
18
19-24
25-28
29-36
Signal Name
TXD
READY
RXD
NC
RESET
INH
WRRDY
WR
GND
A3-AO
D7-DO
I/o
o
0
—
o
0
I
I
I
o
0
0
—
o
Description
+5 VDC
Transmitted data
Ready signal
Received data
Not connected
Reset signal
l/F disabled
Request command
l/F ready
Data read request
Write enable
Read enable
Chip select
Ground
Address bus bit 3-O
Data bus bit 7-O
Rev.