Service Manual
Appendix
Table A-9. CN9 Pin Assignments
Pin No.
Signal Name
Description
1
I
SCSI
ID switch
2
I
SCSI ID switch
3
SCSI ID switch
4
I
SCSI ID switch
5
EN
I
SCSI terminator enable
6
+5
.
+5
7
signal for SCSI
8
signal for SCSI
9
signal for SCSI
10
signal for SCSI
11
signal for SCSI
12
I/o
signal for SCSI
13
signal for SCSI
14
signal for SCSI
15
I/o
signal for SCSI
16
POWER
.
Terminator power (+5
17
I
signal for SCSI
18
signal for SCSI
19
I
signal for SCSI
20
I
signal for SCSI
21
o
signal for SCSI
22
signal for SCSI
23
S/D
C/D signal for SCSI
24
o
signal for SCSI
25
o
signal for SCSI
26
—
27
I
Option switch 1
28
TXD
o
Transmitted data
29
I
Option switch 2
30
SCK
o
Option clock
31
B
o
Blue lamp control
32
LOD
o
Option control
33
G
o
Green lamp
34
o
Select signal
35
R
o
Red lamp control
36
+5
—
+5
37
+5
.
+5
38
—
39
+24
—
+24
40
+24
—
+24
Rev.
Summary of Contents for ES-1200C Pro PC
Page 2: ...EPSON IMAGE SCANNER GT 9000 ES 1200C SERVICE MANUAL EPSON ...
Page 6: ...REVISION SHEET Revision Issue Date Revision Page Rev A June 29 1994 let issue o j c1 v ...
Page 66: ...Chapter 4 Adjustments No Adjustment is required in this product ...
Page 80: ... ...
Page 89: ...a g I 1 1 u In o N 7 g m N x In g Figure A 4 B027 PSE Board Circuit Diagram A 10 Rev A ...