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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
13 - b.
Switch S4
b. EXTERNAL jack.
b. Replace EXTERNAL
cont
in EXTERNAL
jack (para 6-15).
position.
Switch S4.
Replace switch S4
At EXTERNAL
jack:
Lamp L2.
Replace lamp L2
+140 VDC
8% not
L2 lampholder.
Replace L2 lamp-
present.
holder (para 6-8).
c.
Switch S4
c.
COAX jack.
c.
Replace COAX jack
in COAX
position.
Switch S6.
Replace switch S6
(1) Switch S6
Switch S4.
Replace switch S4
in TIP
position.
Lamp L2.
Replace lamp L2
At COAX
Jack
L2 lampholder.
Replace L2 lamp-
(center):
holder (para 6-8).
+140 VDC
8% not
present.
(2) Switch S6
Defective wiring.
Check wiring for
in RING
position.
At COAX
jack
(inner
ring):
+140 VDC
not
present.
6-9
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