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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 -
(2)
Switch S5
cont
in SHORT
position.
+78 VDC
10% not
present.
12. No voltage
between test
points G and
A. Switches
S2 and S3
pressed at the
same time.
a.
Switch S4
a. (1) Lamp L2 open.
Replace lamp L2
in BULK
position.
(2) Resistor R4
Replace resistor
(1)
Switch S5
and/or R5 open.
R4 and/or R5
in OPEN
Lamp L2 open.
position.
+500 VDC
8% not
present.
(2)
Switch S5
Defective wiring.
Check wiring for
in SHORT
Position.
+10 VDC
L2 lampholder
Replace L2 lampholder
10% not
defective.
present.
b.
Switch S4
b. (1) Lamp L2 open.
Replace lamp L2
in EXTERNAL
and COAX
position. (2)
Resistor R5
Replace resistor R5
open,
(1)
Switch S5
in OPEN
Defective wiring.
Check wiring for
position.
+140 VDC
8% not
L2 lampholder
Replace L2 lampholder
present.
defective.
6-7
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