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TM 11-5820-890-30-5
4-13. TROUBLESHOOTING FLOWCHARTS.
The following charts are included:
Chart
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
Symptom
Lamp DS1 does not light.
CB1 trips.
CB1 trips when RLY CONTROL power is applied.
SW 27.5 VDC is not present.
CB1 trips with S1 set to LCL.
Lamp DS1 does not light.
Lamp DS1 does not turn off when S1 is set to RMT.
6.75 V dc power is absent.
13, 28, or 200 V dc power is absent.
13 or 27 V dc power is absent.
No intercom Audio-A.
No speaker output.
Speaker output does not mute.
No intercom Audio-B.
Speaker output does not mute.
Speaker output does not mute from 5A3P1.
No ADMC-A signal is present.
ADMC-A output is incorrect.
No ADMC-B signal is present.
ADMC-B output is incorrect.
COMSEC 13 V line filter is inoperative.
Current reading is incorrect.
Open exists for PA control.
Open exists for PA control.
No two-wire signal is present at J7.
No two-wire signal is present at J8.
No signal is present at E1A and E2A.
No signal is present at E1B and E2B.
VIC-A audio transmit line is open.
VIC-B audio transmit line is open.
4-15
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