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Page Title:
Converter-Multiplier CV-3633/GRC-144(V) Troubleshooting Chart-continued |
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|  TM 11-5820-695-35
Item No.
Symptom
Probable trouble
Corrective actions
5
ALARM SUMMARY indicator
a.
One of monitored signals
a.
Determine which
on STATUS PANEL 3A8
out of range: forward
signal is defective
lighted red and all
power from A5, oscilla-
by performing com-
other indicators green.
tor power from A2, or
ponent test point
reflected power from
checks for 3A5TP1
CR1.
PWR, 3A2TP1 LO PWR,
and 3A2TP2 REFL PWR
(TM 11-5820-695-
12). Replace 3A5,
3A2 or CR1 accord-
ing to result of
check. If all are
within range, pro-
ceed to b below.
b.
One of alarm monitor 3A1
b.
Perform the thres-
monitor circuits im-
hold alarm adjust-
properly calibrated.
ment procedure for
3A1 (TM 11-5820-
695-12). If defect
still present, re-
place 3A1.
6
AIR FLOW indicator on
a.
Inadequate air flow in
a.
Check air flow and
STATUS PANEL 3A8
unit 3.
blower 2A15B81
lighted red.
according to pro-
cedure in TM 11-
5820-695-12.
b.
Switch 3A7S1 or 3A7S2
b.
Use TS-352B/U to
defective.
check voltages and
wiring. Replace
either switch if
defective.
7
TEMP indicator on STATUS
Amplifier-multiplier 3A5
Replace 3A5.
PANEL 3A8 lighted red,
defective.
and AIR FLOW indicator
lighted green.
8
OSC TEMP indicator on
Oscillator 3A2A3 defective.
Replace converter 3A2.
STATUS PANEL 3A8 not
lighted.
9
Out of range meter
a.
Power supply 3A6 defective -
a.
Replace 3A6.
indication obtained for
component test point
b.
Defective module.
b.
Replace module
check.
corresponding to
failed test point
check.
Change 6 3-30.3
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