Icom C RP1520, Instruction Manual

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MAINTENANCE
6-6 TROUBLESHOOTING
The following chart is designed to help you correct
problems which are not equipment malfunctions.
If you are unable to locate the cause of the problem or
solve it through use of this chart, contact your nearest
lcom Dealer or Service Center.
PROBLEM
. Power does not come on
when [POWER] is
pushed.
No sound comes from
the speaker or volume is
too low.
Sensitivity is low.
Received signal is not
retransmitted.
i. No output power or the
output is too low.
ID call sign is not sent out
Transmit signal is not
modulated.
POSSIBLE CAUSE
l
Power cable is improperly connected.
l
Power cable is cut.
l
Fuse is blown.
l
Polarity of the power connection is l
Reconnect the power cable observing the proper
reversed when the DC power source is polarity, then replace the DC fuse with a spare
used.
one.
l
[DC RESET] have not pushed for DC
operation.
l
Push [DC RESET] to start the power.
l
The battery for DC operation is discharged,
l
Charge the battery.
Volume level is too low.
l
The squelch is closed.
l
on the LED UNIT is cut.
l
Wrong Ndata or PLL reference frequency
is set.
l
The antenna is cut or shorted.
l
Ndata setting is outside the duplexer
bandwidth.
l
[LOCAL INHIBIT] is pushed IN.
l
Wrong subaudible tone decoder frequency
is set.
l
[SQUELCH] is rotated too far CW.
l
Mic connector has a poor contact.
l
Wrong Ndata or PLL reference frequency
is set.
l
setting is outside the duplexer
bandwidth.
l
The antenna is cut or shorted.
l
ID function is turned OFF.
l
Backup battery is exhausted.
l
Mic connector has a poor contact.
SOLUTION
l
Connect the power cable securely.
l
Check the cable continuity.
l
Check for the cause, then the fuse with
a spare one.
l
Rotate [VOLUME] CW to obtain a suitable
listening level.
l
Rotate [SQUELCH] CCW to open the squelch.
NOTE:
[CTCSS] is turned OFF, the repeater transmits
when the squelch is open.
l
Solder
l
Reset the N-data or PLL reference frequency.
l
Check the and correct any improper
conditions.
l
Reset the N-data.
l
Push [LOCAL INHIBIT] OUT.
l
Reset the subaudible tone decoder frequency.
l
Rotate [SQUELCH] CCW to set the required
repeat signal level.
l
Check the connector pins.
l
Reset the N-data or PLL reference frequency.
l
Reset the N-data.
l
Check the and correct any improper
conditions.
l
Turn ID function switch ON.
l
Replace the backup battery and input the ID call
sign.
CAUTION:
Battery replacement should be done by an
authorized lcom Dealer or Service Center.
l
Check the connector pins.
REF.
5
15
5 , 15
5
5
7
7
5
p. 10
p. 15
5
CW: Clockwise
CCW: Counterclockwise