Identify The Stuck Key - HP 8753E Service Manual

Identify the Stuck Key

Match the LED pattern with the patterns in 'Ihble 6-l. The LED pattern
identifies the stuck key. Free the stuck key or replace the front panel part
causing the problem.
0
1
2
3
4
5
7
8
9
10
11
13
14
15
16
17
18
19
20
21
23
24
25
6-14 Digital Control Troubleshooting
R T
.
.
.
.
.
.
. .
.
.
. .
. .
. .
.
.
. . .
. . .
.
.
.
.
. .
. .
. .
. . .
. . .
. .
. .
Front
.
.
.
.
.
.
.
.
.
.
.
.
.
Active Channel
Active Channel
Instrument State
Instrument State
Instrument State
Instrument State