Troubleshooting - Icom IC-7200 Instruction Manual

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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 a problem or solve it through the use of this chart, contact your nearest Icom Dealer or
Service Center.
PROBLEM
Power does not come
on when
pushed.
No sound comes from
the speaker.
Sensitivity is too low,
and only strong signals
are audible.
Receive audio is dis-
torted.
Receive signal is dis-
torted by strong sig-
nals.
The frequency shift of
the RIT function cannot
be added/subtracted.
POSSIBLE CAUSE
• DC power cable is improperly connected. • Reconnect the power cable correctly.
is
• Fuse is blown.
• Battery is exhausted if you are using a
12 V battery as the power source.
• Volume level is set too low.
• The squelch level is closed.
• The transceiver is in the transmit mode. • Release [PTT] on the microphone or
• An external speaker or headphones are
connected.
• The antenna is not properly connected. • Reconnect the antenna.
• The antenna feed line is cut or shorted. • Check the feed line and correct any im-
• The antenna is not properly tuned.
• The attenuator function is ON.
• The antenna for another band is select-
ed.
• The operating mode is not selected cor-
rectly.
• The noise reduction is ON and the noise
reduction level is too high.
• The noise blanker function is ON.
• The preamp is ON.
• The XFC (transmit frequency check
function) is turned ON.
MAINTENANCE
SOLUTION
• Check for the cause, repair it, then re-
place the fuse with a similar rate one.
(Fuse is installed in the DC power cable)
• Check the battery voltage.
• Rotate [AF] clockwise to obtain a suit-
able listening level.
• Rotate [RF/SQL] to 12 o'clock position
to open the squelch.
check the SEND line of an external unit,
if connected.
• Check the external speaker or head-
phones plug connection.
proper conditions.
• Push
to manually tune the an-
TUNER
tenna.
P.AMP
• Push
to turn OFF the function.
ATT
• Select an antenna suitable for the oper-
ating frequency.
• Select a suitable operating mode.
• Set the noise reduction level for maxi-
mum readability.
NB
• Push
to turn OFF the function.
P.AMP
• Push
to turn OFF the function.
ATT
• Turn the XFC OFF in the Set mode.
7
REF.
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p. 35
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p. 4
p. 30
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