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TM 11-5820-890-20-2
4-23
4.2.
TROUBLESHOOTING FLOWCHARTS. Continued
CHART 7
NO AUDIO HEARD AT HANDSET AND/OR LOUDSPEAKER
WHEN RCU IS PLACED IN •SQ OFF".
(Sheet 3 of 3)
NO
YES
NOISE HEARD IN
RCU HS AND/OR
LOUDSPEAKER
?
1. REPLACE RCU.
2. SET THE RCU AS FOLLOWS:
SPEAKER: OFF
MODE: SC
FCTN: SQ OFF
VOL: MID RANGE
REPLACED RCU IS BAD.
REPLACE RCU WITH RT
AND RUN OPERATIONAL
CHECK ON RADIO.
(SEE TM 20-1)
2
SH 3
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