Communications Company IC-29, Manual

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Page 19
COMMUNICATIONS COMPANY • IC-29 Manual
Microphone not working. Check microphone for (phantom) power
requirements.
Check front panel level.
Check for proper termination.
No lights on the front panel, amp dead. Check AC power connection & fuse.
System not switching with voice activation. Check VOX and ANTIVOX level
adjustments on front.
Hum on the signal line. Make sure all mic and speaker/mic cables
are shielded.
Line input dead. Check line level volume adjustment on the back.
Speaker/mic not working as a microphone. Make sure OSO & ISO have jumpers.
No sound coming out of inside speaker. Check speaker connections, make sure
INSIDE ACTIVE light on the front panel is on.
Check outside microphone.
If you are using the outside speaker as a
` microphone, check OSO jumpers.
No sound coming out of outside speaker. Check speaker connections, make sure
OUTSIDE ACTIVE light on the front panel is on.
Check inside microphone. If hands-free,
check VOX adjustment.
Microphone volume not loud enough. Make sure high-pass filter jumpers are in.
(OSHPF/ISHPF)
Excessive noise on the line input. Remove high-pass filter jumpers on that side.
(Remote) volume controls not working. Make sure remote level jumpers are
in the correct position. (ORL, IRL)
Amp keeps switching back and forth. Adjust Vox and/or Antivox sensitivity.
TROUBLESHOOTING HINTS
SYMPTOM REMEDY