Epson SQ-1170 Service Manual page 161

Table A-17. CN17 (C076 M A I N )
No. Signal Name
1
0
2 0
3
0
4 0
5
0 HD 10
6 0 HD 12
7
0 HD 14
8
0 HD 16
9 0 HD 18
10
0
11 0
0
13 0
14 0
15
0
16 0
17
0
18 0
19 0
20
0
21
0
22 0
23
0
24 0
25 -
26 -
27 -
28 I THER
29 -
30 I
31 -
32 - + 5
33 -
34 I
35 -
36 -
Function
Head data 2
Head data 4
Head data 6
Head data 8
Head data 10
Head data 12
Head data 14
Head data 16
Head data 18
Head data 20
Head data 22
Head data 24
Head data 26
Head data 28
Head data 30
Head data 32
Head data 34
Head data 36
Head data 38
Head data 40
Head data 42
Head data 44
Head data 46
Head data 48
Common
Common
Thermistor
Shield
Encoder phase B
Shield
+5 VDC
Shield
Encoder A
Shield
Table A-18. CN18 (C076 M A I N )
No. Signal Name
1 -
2 -
0
3 HD 1
4 0
0
5
0
6
7
0
0
8
HD 11
0
9 HD 13
10 0 HD 15
0
11 HD 17
0
12 HD 19
0
13 HD21
14 0
0
15
16 0
0
17
0
18 HD31
0
19
20 0
0
21
22
0
0
23 HD41
0
24
0
25
0
26
Table A-1 9. CN19 (C076 MAIN)
Signal Name
1 I PAUSE
0
2 TXS
3 I LDLED
0
4 CKS
5 I LDSW
RXS
6 I
7 - + 5
8 - + 5
9 -
10 -
11 - FG
12 I
13 - FG
14 - FG
15 - FG
16 -
Table A-20. CN20 (C076 M A I N )
No. Signal Name
1 - RA
2 - RB
A-5
Function
Common
Common
Head data 1
Head data 3
Head data 5
Head data 7
Head data 9
Head data 11
Head data 13
Head data 15
Head data 17
Head data 19
Head data 21
Head data 23
Head data 25
Head data 27
Head data 29
Head data 31
Head data 33
Head data 35
Head data 37
Head data 39
Head data 41
Head data 43
Head data 45
Head data 47
Function
PAUSE switch
Transmit data
LED condition load
Serial clock
Relived data
+ 5 VDC
+ 5 VDC
Frame GND
Case open sensor
Frame GND
Frame GND
Frame GND
+35 VDC
Function
Not used
Not used