REV.-A
Each component is connected to one of the connectors on the
PEGX
board, which are listed in Table
c
“:,
2-1. Table 2-1 describes the connectors.
Table 2-1 Board Connector Summary
Circuit
Connector
Description
Number
Reference
Board
Number
of Pins
Table
CN 1
Standard 8-bit parallel interface connector.
36
Used for data transfer from the host computer.
Table A-1 5
Connector for the optional interface board. Used
CN2
for data transfer from the host computer. When
26
Table A-1 6
the optional interface board is mounted,
CN
1 is
invalid.
Supplies two step-down AC voltages from the
CN3
power supply transformer to the DC regulator
4
Table A-1 7
circuit on the
PEGX
board.
CN4
Drives the printhead needles.
12 Table A-1 8
CN5
Drives the plunger that opens and shuts the
2
Table A-1 9
PEGX
paper bail on the printer mechanism.
board
Transfers the state of the carriage home position
CN6
sensor from the printer mechanism to the con-
3
Table A-20
trol circuit on the
PEGX
board.
Transfers the state of the paper end sensor from
CN7
the printer mechanism to the control circuit on
2
Table A-2 1
the
PEGX
board.
CN8
Drives the paper feed motor.
6
Table A-22
CN9
Drives the carriage motor.
9
Table A-23
Transfers the state of the release lever from the
CN 10
printer mechanism to the control circuit on the
2
Table A-24
PEGX
board.
CN 11
Interface connector between the
PEGX
board
20 Table A-25
and the control panel.
‘(,.’
2-2
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