Connector Summary - Epson EPL-N2700 Service Manual

EPSON EPL-N2700 / N2750

7.1 Connector Summary

Table 7-1. Connector Summary - C269MAIN Circuit Board (PWB-P)
Connector Number of Constituent to which the
number pins connector is connected
CN1 36 IEEE-1284 parallel interface
CN2 25 RS-232C serial interface
CN3 26 Control panel
CN4 32 Video interface
CN5 20 Type-B interface
CN7 50 (IDE hard disc)
CN8 168 SDRAM DIMM
SCSI (Not used. Reserved for
CN9 -
board development.)
CPU bus (Not used. Reserved
CN10 -
for board development.)
CN11 72 ROM DIMM0 A socket
CN12 72 ROM DIMM1 B socket
CN13 72 ROM DIMM2 C socket
CN14 72 CODE DIMM PROG socket
Not used. Reserved for board
CN15, C16 -
development.
Appendix
Table 7-2. Connector Summary - Engine Controller Board (PWB-A)
Constituent to which
Connector
the other end of the
number
harness is connected
PJ1
-
PJ2
-
-
PJ3
PWB-A PJ1
PJ4
-
PJ5
-
PJ6
-
PJ7
-
PJ8
-
PJ9
PJ10
-
PJ11
-
PJ12
-
PJ13
-
PJ14
-
PJ15
PJ16
PJ17, PJ18,
PJ19, PJ21
Connector Summary
Number of Constituent to which the
pins connector is connected
32 Video interface
4 Low voltage power supply
2nd cassette and option
13
cassette control
20 Option interface
9 Option interface
Power supply for the power
2
supply unit cooling fan
3 Right door interlock switch
5 Polygon motor control
6 Video signal
2 Low voltage power supply
- Not used
7 Option interface
26 Sensors
28 Sensors
- Not used
Motor control, Fuser unit
12
temperature control
- Not used
Revision B
Constituent to which
the other end of the
harness is connected
PWB-P CN4
PU1 PJ5
2nd cassette control
board PJ1
Duplex unit
5-bin unit
Power supply unit cooling
fan
-
Printhead unit
Printhead unit
PU1 PJ5
-
10-bin unit
-
High voltage uni, others
-
Transport motor, I/C drive
motor, Fuser lamp
thermistor, PU1, PJ4
-
149