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14
MAINTENANCE
Troubleshooting
PROBLEM
Does not turn on.
No sound comes from the
speaker.
Sensitivity is low and only
strong signals are audible.
No contact possible with
another station.
Repeater cannot be ac-
cessed.
Frequency cannot be set.
Frequency cannot be set
via the microphone.
Some memory channels
cannot be selected via the
tuning dial.
162
POSSIBLE CAUSE
• Power connector has a poor contact.
• Polarity of the power connection is reversed.
• Blown fuse.
• Volume is too low.
• The audio mute function is activated.
• Squelch is set too high.
• A selective call or squelch function is activated
such as pocket beep or tone squelch.
• Antenna feedline or the antenna connector has a
poor contact or is short circuited.
• Squelch attenuator function is activated.
• The other station is using tone squelch.
• The transceiver is set to duplex.
• Wrong frequency offset is programmed.
• Wrong subaudible tone frequency is programmed.
• The frequency lock function is activated.
• The frequency lock function is activated.
• The microphone keypad lock function is activated.
• The memory channel number has not been pro-
grammed yet.
If your transceiver seems to be malfunctioning, please check
the following points before sending it to a service center.
SOLUTION
• Check the connector pins.
• Reconnect the power cable observing the proper
polarity. Replace the fuse if damaged.
• Correct the cause, then replace the fuse.
• Rotate [VOL] clockwise.
• Push any key to deactivate it.
• Set the squelch level to the threshold.
• Turn the appropriate function OFF.
• Check, and if necessary, replace the feed line or
solder the antenna connector again.
• Set [SQL] between 10–12 o'clock position.
• Turn the tone squelch function ON.
• Set to simplex.
• Correct the frequency offset.
• Correct the subaudible tone frequency.
• Turn the function OFF.
• Turn the function OFF
• Push [FUNC] then [
Z
SQL
the microphone keypad lock function.
• Select the channel via the microphone keypad to
check whether the channel has been programmed
or not.
REF.
—
p g s . V I ,
163
p. 163
p. VIII
p. 20
p. VIII
pgs.
146, 151
p. VII
p. 19
p. 146
p. 23
p. 27
p. 25
p. 16
p. 16
#(16KEY-L)] to deactivate
p. 16
—
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