Epson 2180 - LQ B/W Dot-matrix Printer, Service Manual

Page: 52 / 56

LQ-2180 Revision A
Appendix Connector Summary 52
NOTE: The table below provides information of the connector that
vary from C165 Main Board used in LQ-2170.
Figure 7-2. Connector Pin Assignment (Changed/new items only)
LQ-2170 (C165MAIN) LQ-2180 (C272MAIN)
Connector Function Pin alignment Connector Function Pin alignment
1 CN14 CSF
1: A
2: B
3: -A
4: -B
5: HOLD
6: +5V
7: GND
8: GND
9: +35V
10:+35V
CN14 CSF
1: +35V
2: +5V
3: HOLD
4: +35V
5: -A
6: B
7: GND
8: GND
9: A
10:-B
2 CN12 Release lever position
1: RELEASE 1
2: GND
3: RELEASE 2
4: GND
CN12 Release lever position
1: RELEASE 1
2: GND
CN16 Release lever position
1: RELEASE 2
2: GND
3 --- --- --- CN17 Fan
1: PE
2: GND