Troubleshooting Guide - Panasonic SC-AK280 Operating Instructions Manual

Troubleshooting guide

Before requesting service, make the following checks. If you are in doubt about some of the check points, or if
the solutions indicated in the chart do not solve the problem, consult your dealer for instructions.
■ Common problems
When the unit is in
standby mode, the
display lights up and
changes continuously.
No response when
remote control buttons
are pressed.
Distorted sound or no
sound.
A "humming" sound
can be heard during
play.
■ Discs
Incorrect display or play
will not start.
The total number of
tracks displayed is
incorrect.
The disc cannot be read.
Distorted sound is
heard.
■ Cassette tape
Poor sound quality.
Recording cannot be
performed.
• Turn off the demo function.
• If you set the clock, demo function will be turned off automatically.
• Check that the batteries are installed correctly.
• Turn the volume up.
• Turn off the unit, determine and correct the cause, then turn the unit on
again.
It may be caused by straining of the speakers through excessive volume
or power, and using the unit in a hot environment.
• An AC mains lead or fl uorescent light is near the unit. Keep other
appliances and cords away from the unit.
• You have not inserted the disc correctly; insert it correctly.
• Disc may be dirty. Wipe it clean.
• Replace the disc if it is scratched, warped, or non-standard.
• Condensation has formed: Wait 1 to 2 hours for it to evaporate.
• You have inserted a disc the unit cannot play; insert one it can.
• You have inserted a disc that has not been fi nalised or completely
formatted.
• Clean the heads.
• If the erasure prevention tabs have been removed, cover the holes with
adhesive tape.
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RQT8043