Epson C117001-N - DFX 5000+ B/W Dot-matrix Printer Service Manual page 178

Table A-8. CN7, C117 MAIN Board Assernbty
I
Pin No. I/O
I
1
Table A-9. CN8, C117 MAIN Board Assembly
Pin No.
1 0
TEARLP
2 0 BUZZER
0
3
4 0
0
5
0
6
7 FRGLP
0
8 0 10CPIL
9 0
10 0
11 0
12 0
LFFFSW
13
MFBSW
14
PSELSW
15
16 MFFSW
17 I PITCH
TEARSW
18 I
19
PAUSE
20 I
21 -
0
22
Table A-10. CN9, C117 MAIN Board Assembly
Pin No.
1 0
VP
.
2
Name
I
1
Name
TEAR OFF LED
Buzzer signal output
REAR LED paper loaded output (green)
17 cpi PITCH LED output
REAR LED paper out output (r&l)
12 cpi PITCH LED output
FRONT LED paper loaded output (green)
10 cpi PITCH LED output
FRONT LED paper out output (red)
PAPER OUT LED
TOP OF FORM LED
PAUSE LED OUtpUt
button input
Backward MICRO FEED button input
PAPER SELECT button input
Forward MICRO FEED button input
PITCH button input
TEAR OFF button input
TOP OF FORM button input
PAUSE button input
Ground
Power source for control panel
Name
Interlock switch
Description
I
Rev. A