Icom IC-PW1 Instruction Manual - Maintenance
18
4
MAINTENANCE
■ 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 the [POWER]
switch is pushed.
Sensitivity is low.
Operating band does
not change automati-
cally.
Output power is too
low.
Protection circuit acti-
vates during short peri-
ods of operation.
POSSIBLE CAUSE
• Cable connection is faulty.
• The circuit breaker is turned OFF.
• The antenna is not connected properly.
• The antenna for another band is select-
ed.
• The antenna is not properly tuned.
• Cable connection is faulty.
• CI-V setting is not properly pro-
grammed.
• Reverse connection on the antenna
input and output.
• [ALC adj] is not adjusted properly.
• The linear amplifier circuit is turned
OFF.
• The antenna for anther band is select-
ed.
• The antenna is not properly tuned.
• The protection circuit activates and a
band indicator blinks.
• Antenna SWR is more than 3:1.
• The antenna tuner is turned OFF.
• The linear amplifier is located in an area
with bad air circulation.
• [ALC adj] is not adjusted properly.
SOLUTION
• Check the connection and connection cable
pins.
• Check for the cause, then turn the circuit
breaker ON.
• Reconnect the antenna connector.
• Select an antenna suitable for the operating
frequency.
• Push [TUNER] for 2 sec. to manually tune the
antenna.
• Check the connection and connection cable
pins.
• Set the CI-V address.
• Connect properly.
• Set [ALC adj] properly.
• Push [AMP/PROTECT] to turn the linear
amplifier ON. (The indicator lights green.)
• Select an antenna suitable for the operating
frequency.
• Push [TUNER] for 2 sec. to manually tune the
antenna.
• Stop the exciter’s transmission, then push
[AMP/PROTECT] to deactivate the protection
circuit.
• Check the antenna SWR. Adjust the antenna,
if necessary.
• Push [TUNER] to turn the antenna tuner ON.
• Select a location with good air circulation.
• Adjust [ALC adj] to the correct position.
REF.
pgs.
7–10
p. 3
p. 6
p. 16
p. 17
pgs.
7–10
p. 13
pgs.
7–10
p. 12
p. 16
p. 16
p. 16
p. 17
p. 6
p. 17
—
p. 12