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Page Title:
Table 6-1 Test Set Troubleshooting-continued |
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 TM 11-6625-3023-14/ET904-AA/MMA-010/E154 TS3684/TO 33A1-12-1173-1
Table 6-1. Test Set Troubleshooting - Continued
Fault indication
Probable cause
Corrective action
11 - a.
Switch S4
a, b, and c.
a, b, and c.
cont
in BULK
position.
(1) Switch S5
(1) Switch S5
Replace switch S5
in OPEN
defective.
position.
Lamp L2 open.
Replace lamp L2
+500 VDC
8% not
Resistor R5
Replace resistor
present.
open.
R5 (para 6-22).
(2) Switch S5
(2) Switch S5
in SHORT
defective.
position.
Lamp L2 open.
+78 VDC
Defective wiring.
Check wiring for
10% not
present.
b.
Switch S4 in
EXTERNAL
position.
(1) Switch S5
in OPEN
position.
+140 VDC
8% not
present.
(2) Switch S5
in SHORT
position.
+78 VDC
10% not
present.
c.
Switch S4 in
COAX
position.
(1) Switch S5
in OPEN
position.
+140 VDC
8% not
present.
6-6
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