Icom HF/VHF/UHF ALL MODE TRANSCEIVER TV Receiver User Manual


 
58
9
TROUBLESHOOTING
PROBLEM
TRANSMITDISPLAYSCAN
POSSIBLE CAUSE SOLUTION REF.
Transmitting is impossi-
ble.
Output power is too low.
No contact possible with
other stations.
Repeater cannot be ac-
cessed.
Transmitted signals are
distorted.
Displayed frequency
does not change proper-
ly.
Programmed scan does
not stop.
Programmed scan does
not start.
Memory scan does not
start.
Memory select scan
does not start.
The operating frequency is not set to
a ham band.
Power is set to a lower power than
maximum.
Microphone gain is set too low.
The antenna is not connected properly.
The antenna feed line is cut or shorted.
An antenna for another band is selec-
ted.
The antenna is not properly tuned.
RIT function is activated.
Split function is activated.
Split function is not activated.
An incorrect transmit frequency is set.
Subaudible tone encoder is OFF and
repeater requires a tone for access.
Programmed subaudible tone fre-
quency is wrong.
Microphone gain is set too high.
[COMP LEVEL] is rotated too far
clockwise with the speech compres-
sor ON.
The dial lock function is activated.
The internal CPU has malfunctioned.
Squelch is open.
The same frequencies have been
programmed in scan edge memory
channels.
2 or more memory channels have not
been programmed.
2 or more memory channels have not
been designated as select channels.
Set squelch to the threshold position.
Programm different frequencies into
scan edge memory channels.
Program 2 or more memory chan-
nels.
Designate 2 or more memory chan-
nels as select channels for the scan.
Set gain in quick set mode.
Set [COMP LEVEL] to a suitable pos-
ition.
Push [LOCK] to deactivate the func-
tion.
Reset the CPU.
(While pushing [UP] and [DN] push [POW-
ER] to turn power ON.
Push [DUP] to turn the function ON
.
Set the proper frequencies into VFO
A and B or into one of the memory
channels.
Use [TON] to select FM-T.
Program the required frequency using
quick set mode.
Push RIT to turn the function OFF.
Push [SPLIT] to turn the function OFF.
Set the output power in quick set
mode.
Set microphone gain to a suitable
position using quick set mode.
Reconnect the antenna connector.
Check the feed line and correct any
improper conditions.
Select an antenna suitable for the op-
erating frequency.
Push [TUNE] to manually tune the
antenna when an optional antennal
tuner is connected.
Set the frequency to a ham band.
p. 17
p. 44
p. 44
p. 14
pgs. 27,
28
p. 20
p. 29
p. 29
p. 17
p. 30
p. 49
p. 48
p. 5
p. 2
p. 15
p. 23
p. 44
p. 41
p. 44