Icom IC-PW1 Instruction Manual - Page 18

Maintenance - service manual

Page 18 highlights

4 MAINTENANCE s 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 POSSIBLE CAUSE Power does not come on when the [POWER] switch is pushed. • Cable connection is faulty. • The circuit breaker is turned OFF. SOLUTION • Check the connection and connection cable pins. • Check for the cause, then turn the circuit breaker ON. REF. pgs. 7-9 p. 3 Sensitivity is low. • The antenna is not connected properly. • The antenna for another band is selected. • The antenna is not properly tuned. • Reconnect the antenna connector. • Select an antenna suitable for the operating frequency. • Push [TUNER] for 2 sec. to manually tune the antenna. p. 6 p. 13 p. 14 Operating band does not change automatically. • Cable connection is faulty. • Check the connection and connection cable pins. • The CI-V setting is not properly • Set the CI-V address. programmed. pgs. 7-9 p. 12 Output power is too low. • Reverse connection on the antenna input • Connect properly. and output. • [ALC adj] is not adjusted properly. • Set [ALC adj] properly. • The linear amplifier circuit is turned OFF. • Push [AMP/PROTECT] to turn the linear amplifier ON. (The indicator lights green.) • The antenna for another band is • Select an antenna suitable for the operating selected. frequency. • The antenna is not properly tuned. • Push [TUNER] for 2 sec. to manually tune the antenna. • The protector circuit activates and a band • Stop the exciter's transmission, then push indicator blinks. [AMP/PROTECT] to deactivate the protection circuit. pgs. 7-9 p. 11 p. 13 p. 13 p. 13 p. 14 Protection circuit activates during short periods of operation. • 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. • 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. p. 6 p. 14 - p. 11 15

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4
MAINTENANCE
15
PROBLEM
POSSIBLE CAUSE
SOLUTION
REF.
Power does not come
on when the [POWER]
switch is pushed.
• Cable connection is faulty.
• The circuit breaker is turned OFF.
•Check the connection and connection cable
pins.
•Check for the cause, then turn the circuit
breaker ON.
pgs.
7–9
p. 3
Sensitivity is low.
• The antenna is not connected properly.
•The antenna for another band is
selected.
• The antenna is not properly tuned.
•Reconnect the antenna connector.
• Select an antenna suitable for the operating
frequency.
•Push [TUNER] for 2 sec. to manually tune the
antenna.
p. 6
p. 13
p. 14
Output power is too
low.
• Reverse connection on the antenna input
and output.
• [ALC adj] is not adjusted properly.
• The linear amplifier circuit is turned OFF.
•The antenna for another band is
selected.
• The antenna is not properly tuned.
• The protector circuit activates and a band
indicator blinks.
• 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.
pgs.
7–9
p. 11
p. 13
p. 13
p. 13
p. 14
Protection circuit
activates during short
periods of operation.
• 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.
• 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.
p. 6
p. 14
p. 11
Operating band does
not change
automatically.
• Cable connection is faulty.
•The CI-V setting is not properly
programmed.
•Check the connection and connection cable
pins.
•Set the CI-V address.
pgs.
7–9
p. 12
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 near-
est Icom Dealer or Service Center.