Maintenance; Troubleshooting; D Transceiver Power; D Transmit And Receive - Icom i9100 Instruction Manual

17

MAINTENANCE

■ Troubleshooting

The following chart is designed to help you correct
problems which are not equipment malfunctions.

D Transceiver power

PROBLEM
Power does not turn ON
when the [POWER] switch is
pushed.

D Transmit and receive

PROBLEM
No sound from the speaker.
Sensitivity is too low, and
only strong signals are au-
dible.
Received audio is unclear or
distorted.
[ANT•METER] does
function
Transmitting is impossible.
Output power is too low.
No contact can be made with
another station.
Transmit signal is unclear or
distorted.
Repeater cannot be ac-
cessed.
AM cannot be selected.
Transmitting is impossible in
AM.
177
POSSIBLE CAUSE
• The power cable is improperly connected.
• A fuse is blown.
POSSIBLE CAUSE
• The audio volume level is too low.
• The squelch is closed.
• The transceiver is in transmit.
• The antenna is not connected properly.
• The antenna for another band is selected.
• The antenna is not properly tuned.
• The attenuator is turned ON.
• 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.
not • The Antenna Switch function has not been
turned ON.
• The operating frequency is outside the se-
lected ham band.
• 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.
• The RIT or ∂TX function is turned ON.
• The Split function and/or Duplex function are
turned ON.
• The [MIC GAIN] control is set too far clock-
wise.
• The split or duplex function is not turned ON.
• The programmed subaudible tone frequency is
wrong.
• The 1200 MHz frequency band is selected.
• The 144/430/1200 MHz frequency band is se-
lected.
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.
SOLUTION
• 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.)
SOLUTION
• 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.
• 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."
• 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.
• Set the Antenna Switch function to "Auto" or
"Manual" in the Set mode.
• Set the frequency to be within the selected
ham band.
• 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.
• 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.
• Set the [MIC GAIN] control to a suitable posi-
tion.
• Push [SPLIT] and/or [DUP](F-2) (in the "M1"
screen) to turn ON the function.
• Reset the frequency.
• Select the HF/50/144/430 MHz frequency band. pp. 43, 61
• Select the HF/50 MHz frequency band.
REF.
p. 27
p. 180
REF.
p. 45
p. 44
p. 46
—
p. 158
p. 159
p. 71
p. 43
p. 75
p. 76
p. 71
p. 77
p. 163
p. 37
p. 46
p. 46
p. 158
p. 159
pp. 69, 81
pp. 65, 82
p. 46
pp. 65, 82
p. 65
pp. 43, 46