Icom IC-9100 [186/212] Maintenance

Icom IC-9100 [186/212] Maintenance
17
177
MAINTENANCE
D Transceiver power
PROBLEM POSSIBLE CAUSE SOLUTION REF.
Power does not turn ON
when the [POWER] switch is
pushed.
•Thepowercableisimproperlyconnected.
•Afuseisblown.
•Re-connecttheDCpowercablecorrectly.
•Correctthecause,thenreplacethefusewith
an equivalent fuse.
( Fuses are installed in the DC power cable
and in the internal PA unit.)
p. 27
p. 180
D Transmit and receive
PROBLEM POSSIBLE CAUSE SOLUTION REF.
No sound from the speaker. •Theaudiovolumelevelistoolow.
•Thesquelchisclosed.
•Thetransceiverisintransmit.
•Rotate the [AF] control clockwise to obtain a
suitable listening level.
•Rotatethe[RF/SQL]controlto11o’clockposi-
tion to open the squelch.
•Push [TRANSMIT] to receive or check the
SEND line of an external unit, if connected.
p. 45
p. 44
p. 46
Sensitivity is too low, and
only strong signals are au-
dible.
•Theantennaisnotconnectedproperly.
•Theantennaforanotherbandisselected.
•Theantennaisnotproperlytuned.
•TheattenuatoristurnedON.
•Re-connecttotheantennaconnector.
•Select an antenna suitable for the operating
frequency.
•Holddown[TUNER]for1secondtomanually
tune the antenna. (HF/50 MHz frequency band
only)
•Push[P.AMP/ATT]toselect“ATTOFF.
p. 158
p. 159
p. 71
Received audio is unclear or
distorted.
•Theoperatingmodeisnotmatched.
•ThePassbandTuningfunctionisturnedON.
•Noise Blanker functions when receiving a
strong signal.
•Preamplifier is turned ON.
•The Noise Reduction function is turned ON
and the [NR] control is too far clockwise.
•Selectasuitableoperatingmode.
•Hold down [PBT-CLR] for 1 second to reset
the function.
•Push[NB]toturnOFFthefunction.
•Push [P.AMP/ATT]one or more times to turn
OFF the function.
•Setthe[NR]controlformaximumreadability.
p. 43
p. 75
p. 76
p. 71
p. 77
[ANT•METER] does not
function
•The Antenna Switch function has not been
turned ON.
•Set the Antenna Switch function to“Auto” or
“Manual” in the Set mode.
p. 163
Transmitting is impossible. •The operating frequency is outside the se-
lected ham band.
•Set the frequency to be within the selected
ham band.
p. 37
Output power is too low. •The [RFPOWER]control is settoo far coun-
terclockwise
•The[MICGAIN]controlissettoofarcounter-
clockwise
•Theantennaforanotherbandisselected.
•Theantennaisnotproperlytuned.
•Rotatethe[RFPOWER]controlclockwise.
•Setthe[MICGAIN]controltoasuitableposi-
tion.
•Select an antenna suitable for the operating
frequency.
•Holddown[TUNER]for1secondtomanually
tune the antenna.
p. 46
p. 46
p. 158
p. 159
No contact can be made with
another station.
•TheRITorTX function is turned ON.
•The Split function and/or Duplex function are
turned ON.
•Push[RIT]or[TX] to turn OFF the function.
•Push [SPLIT] and/or [DUP](F-2) (in the “M1”
screen) to turn OFF the function.
pp. 69, 81
pp. 65, 82
Transmit signal is unclear or
distorted.
•The [MIC GAIN] control is set too far clock-
wise.
•Setthe[MICGAIN]controltoasuitableposi-
tion.
p. 46
Repeater cannot be ac-
cessed.
•ThesplitorduplexfunctionisnotturnedON.
•Theprogrammedsubaudibletonefrequencyis
wrong.
•Push [SPLIT] and/or [DUP](F-2) (in the “M1”
screen) to turn ON the function.
•Resetthefrequency.
pp. 65, 82
p. 65
AM cannot be selected. •The1200MHzfrequencybandisselected. •
Select the HF/50/144/430 MHz frequency band.
pp. 43, 61
Transmitting is impossible in
AM.
•The
144/430/
1200 MHz frequency band is se-
lected.
•
Select the HF/50 MHz frequency band.
pp. 43, 46
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.

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