Replace radio with a known operational radio.
a. If the problem no longer exists repair the radio using standard maintenance
b. If the problem still exists, go to step 8,
Make sure all cables are connected properly.
If a defective cable is found follow the procedures listed below:
d e f e c t i v e cable in accordance with standard repair
(1) R e p l a c e t h e
(2) Replace the defective cable with an acceptable replacement cable listed
(3) Repair the cable in accordance with the procedures in para. 11-30 or the
electrical chapter of TM 9-2350-276-BD.
b. If a defective cable is not found, follow the troubleshooting procedures in
11-9. OBSERVABLE SYMPTOM:
THE RADIO DOES NOT RECEIVE
Detailed Assessment Steps
Check that all switch settings are as described in para. 11-4.
a . If the problem still exists, refer to para. 11-8 to check for possible intercom
b. If the blower motor does not run or the above procedures do not isolate the
fault, go to step 2.
2. Make sure the radio is firmly seated in the mount by loosening the clamps. Move
the radio forward. Line up the guide pins and slide the radio firmly back into the
mount. Tighten the clamps.
3. Make sure the circuit breaker has not been tripped by turning the radio power
switch to OFF BREAKER RESET and then back to LOW or HIGH.