Connector J3 Pin Out - HP 9130K Service Manual

Interface Information 2-7
J4
Pin Description
1
Not Used
2
Not Used
3
NC
4
NC
5
Wrt Protect Switch (Normally Closed)
6
Wrt Protect Switch Common
7
NC
8
NC
9
NC
10
Activity LED Signal Cathode
11 Activity LED
+
V Anode
12
NC
13
NC
14 Index
+
V LED Cathode
15
Index Signal Detector Emitter
16
Index Detector Collector
17
GND
18
NC
19
Not Used
20
Not Used
21
NC
22 GND
23 04
24 02
25 01
26 03
27
GND
28
N Motor On
29
NC
30
Motor GND
31
Motor Power
10
Figure 2-6: Connector J3 Pin Out