Technical Manual

10-4
Chart 2. VHF/UHF Radio Main
NO
MAEPF-24395-O
Is There
TX Power?
Is TX
Deviation
OK?
START
NO
YES
YES
NO
Error
Message?
Display
Model?
NO
YES
See Table T1;
Power-up Self
Check Error Codes
Use RSS to
display
Error Messages
Error
Message
on RSS?
Either Bad Display.
(See Chart C.25), or
Radio Power-Up Failure
(See Chart C.3)
Good
Power-Up/
Self Test?
NO
YES
YES
NO
Go to No Transmit
Audio Chart C.26
Go to Transmitter
Chart C.38
NO
YES
NO
Receive
Audio?
Poor
SINAD?
END
Button's
Functioning?
Radio
Keyload
Failure?
Go to No Receiver
Audio Chart C.29
See Button Test
Chart C.20
YES
NO
YES
YES
See Keyload
Failure Chart
C.19
Go to No Receiver
RF Chart C.30
Go to DC Switch
Chart C.36
NO
NO
YES
Is
R5
on?