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TM 55-1905-219-14-8
4-5. GENERAL (Continued).
Table 4-20. Public Address Set, AN/PIC-2 Troubleshooting
(Continued).
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
4.
Voice signals badly distorted.
Undistorted voice reproduction.
One output transistor defective.
Thermistor open.
Driver transistor defective.
An open or shorted resistor.
Batteries very weak.
Power transistor case shorted to chassis.
Defective transformer.
5.
Voice reproduction weak.
Full power on normal command voice.
Volume control turned down.
Defective volume control.
Defective microphone unit.
Open or shorted wiring.
Batteries very weak.
Defective transistor.
Defective transformer.
Defective resistor.
4-79


 


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