Racal Instruments AN/TRC-207, Operation And Maintenance Instructions

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TO 31R2-2TRC207-1
6-5
Table 6-5. Organizational Maintenance Guide - Operator
Symptom Possible Cause Remedy
Failed power source Restore prime power
Failed batteries Replace batteries/check power source
Failed Radio A Replace Radio A
Failed Radio B Replace Radio B
Failed power cable(s) Replace power cable(s)
Failed power supply Replace power supply
a. Repeater does not have any
lamps illuminated, and
b. Repeater does not receive
or transmit with power and
modulation
Failed BDR assembly Return the BDR assembly to the repair
specialist for repair
RF power amplifier temperature
is excessive (greater than 90°C). Turn off BDR until temperature decreases.
If LED again illuminates, return BDR to
the repair specialist. Fault LED is illuminated
constantly
No or faulty radio in sleeve A Check that Radio A is locked in place and
is good
RF path fault (diplexer or BDR
cabled incorrectly) Verify proper cable connections to BDR
and diplexer
Diplexer tuned incorrectly Check diplexer tuning
Fault LED is illuminated
intermittently
Frequency spacing less than
minimum Check radio programming for receive and
transmit frequencies
DISPLAY knob turned to OFF or
is loose Check position of DISPLAY knob a. Repeater does not have any
lamps illuminated, and
b. Repeater receives and
transmits with power and
modulation
Failed BDR assembly Return the BDR assembly to the repair
specialist for repair
Bad or no programming Check radio programming for receive and
transmit frequencies
Failed diplexer Replace diplexer
Failed lightning protection device Replace lightning protection device
Failed antenna Replace antenna
Failed antenna cable Replace antenna cable
Failed RCV receiver transmitter Replace receiver-transmitter
Repeater does not receive at any
frequency and no front panel
indicators are illuminated
Failed BDR assembly Return the BDR assembly to the repair
specialist