Troubleshooting - Icom IC-7000 Instruction Manual

The following chart is designed to help you correct
problems which are not equipment malfunctions.
PROBLEM
Power does not come on
when [PWR] key
pushed.
No sound comes from
the speaker.
Sensitivity is low.
Receive audio
distorted.
Receive signal
distorted by strong
signals.
POSSIBLE CAUSE
DC power cable is
is connected.
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 is closed.
The transceiver is in transmit mode.
An external speaker or headphones
are connected.
The antenna is not connected properly.
The antenna feed line is cut or shorted.
The antenna is not properly tuned.
The attenuator function is activated.
The operating mode is not selected
is
correctly.
The PBT function is activated.
is Noise blanker function is activated.
Preamp is activated.

TROUBLESHOOTING

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
improperly Reconnect the power cable correctly.
Check for the cause, then replace the
fuse with a spare one.
(Fuses are installed in two places. One is
installed in the DC power cable and the
other is installed in the FRONT unit.
Check the battery voltage.
Rotate [AF] clockwise to obtain a
suitable listening level.
Rotate [SQL] counterclockwise to
open the squelch.
Release [PTT] on the microphone or
check the SEND line of an external
unit, if connected.
Check the external speaker or head-
phone plug connection.
Reconnect to the antenna connector.
Check the feed line and correct any
improper conditions.
Push [TUNER/CALL] to manually
tune the antenna.
Push [P.AMP/ATT] to turn the function
OFF.
Select a suitable operating mode.
Push [PBT/M-ch/RIT(CLR)] for 1 sec.
to clear the PBT function.
Push [NB/ADJ] to turn the function
OFF.
Push [P.AMP/ATT] to turn the function
OFF.
15
REF.
p. 19
p. 137
—
pp. 1,
25, 33
pp. 1,
25, 35
—
p. 18
—
—
pp. 114,
115
p. 72
p. 34
14
p. 77
15
p. 78
p. 72
138