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TM 11-5820-890-20-2
4-18
4.2.
TROUBLESHOOTING FLOWCHARTS. Continued
CHART 4
NO INTERCOM TALK FUNCTION FROM RCU TO RT.
(Sheet 2 of 2)
1. REMOVE AUDIO CABLE W4, FROM RCU AND
VAA.
2. REMOVE HS FROM VAA AND CONNECT HS
TO RCU AUD/DATA.
3. PRESS RCU HS PTT AND TALK WHILE
LISTENING AT THE RT.
NO
YES
OPEN
?
REPLACE AUDIO CABLE W4.
NO
YES
VOICE HEARD
AT RT
?
REPLACE RCU.
CHECK CONTINUITY AT AUDIO CABLE W4
P1, PIN D, TO P2, PIN D.
REPLACE VAA.
1
SH 2
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