Icom IC-R9500, Instruction Manual

Page: 152 / 188

■
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 you near-
est Icom Dealer or Service Center.
D D
Receiver power
D D Receiving
PROBLEM POSSIBLE CAUSE SOLUTION REF.
No sounds come out from
the speaker.
Sensitivity is too low, and
only strong signals are
audible.
Received audio is unclear
or distorted.
The [ANT] switch does not
function
[AFC] cannot be turned
ON.
[AUTOTUNE](AFC) can-
not be turned ON.
[VSC] cannot be turned
ON.
[ANF] cannot be turned
ON.
[ N O T C H 1 ] / [ N O T C H 2 ]
cannot be turned ON.
The filter width cannot be
changed.
A synthesized voice is not
emitted when pushing
[SPCH].
• Volume level is too low.
• The squelch is closed.
• The RF gain is too decreases sensitivity.
• The antenna is not connected properly.
• The attenuator is activated.
• A different antenna for HF band is selected.
• Wrong operating mode is selected.
• PBT function is activated.
• Noise blanker is turned ON when receiving a
strong signal.
• Preamp is activated.
• The noise reduction is activated and the [NR]
control is too far clockwise.
• The selected frequency is above 30 MHz.
• The operating mode is not set in FM or WFM
mode.
• The operating mode is set in FM, WFM, FSK
or P25 mode.
• The operating mode is set in CW, FSK or P25
mode.
• The operating mode is not set in FM or WFM
mode.
• The operating mode is set in FM, WFM or P25
mode.
• The operating mode is set in WFM or P25
mode.
• “SPEECH Mix” in the others set mode is OFF.
• Rotate [AF] clockwise to obtain a suitable lis-
tening level.
• Turn [SQL] to 10 o’clock position to open the
squelch.
• Rotate [RF GAIN] clockwise to obtain an
enough sensitivity.
• Re-connect the antenna.
• Push [ATT] several times to select “ATT OFF.”
• Push [ANT] several times to select the correct
antenna for the HF band.
• Select a suitable operating mode.
• Push [PBT CLR] for 1 sec. to reset the function.
• Push [NB] to turn the noise blanker OFF.
• Push [P.AMP] once or twice to turn the function
OFF.
• Set the [NR] control for maximum readability.
• Select a frequency below 30 MHz.
• Select FM or WFM mode to activate AFC.
• Select AM, SSB or CW mode to activate AUTO-
TUNE.
• Select FM, WFM, AM or SSB mode to activate
VSC.
• Select FM or WFM mode to activate ANF.
• Select AM, SSB, CW and FSK mode to activate
MN1/MN2.
• Select FM, AM, SSB, CW and FSK mode.
• Set “SPEECH Mix” to All or Operation in the set
mode.
p. 3-8
p. 3-8
p. 3-8
—
p. 5-9
p. 9-3
p. 3-7
p. 5-11
p. 5-15
p. 5-9
p. 5-16
pgs. 3-4,
9-3
pgs. 3-7,
5-17
pgs. 3-7,
5-17
pgs. 3-7,
8-3
pgs. 3-7,
5-16
pgs. 3-7,
5-16
pgs. 3-7,
5-12
p. 11-11
PROBLEM POSSIBLE CAUSE SOLUTION REF.
12-2
12
MAINTENANCE
Power does not come on
when the [POWER] switch
is pushed. • Power cable is improperly connected.
• The internal power supply is turned OFF.
• The fuse is blown. • Re-connect the AC power cable correctly.
• Turn the internal power supply ON.
• Check for the cause, then replace the fuse. —
p. 3-2
p.12-8