Troubleshooting Guide - Panasonic SC-PM21 Operating Instructions Manual

Troubleshooting guide

Before requesting service, make the below checks. If you can't fi x the system as described below, or if something not listed here
occurs, refer to the enclosed directory to locate an Authorized Service Center convenient to you or contact your dealer.
Common problems
No sound.
Sounds unfi xed, reversed or come from
one speaker only.
Humming heard during play.
"ERROR" is displayed.
"- -:- -" appears on the display.
"F76" is displayed.
Listening to the radio
Noise is heard.
The stereo indicator fl ickers or doesn't
light.
Sound is distorted.
A beat sound is heard.
A low hum is heard during AM
broadcast.
An AM broadcast station cannot be
picked up clearly.
When there is a television set nearby
The picture on the TV disappears or
stripes appear on the screen.
Using the cassette deck
Recording is not possible.
Playing discs
The display is wrong or play won't start.
The remote control
Remote control doesn't work.
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RQT7903
Turn the volume up.
The speaker cords may not be connected properly. Turn the unit off, check and correct the
connections and turn the unit on (refer page 4).
Check the speaker connections (refer page 4).
An AC mains lead or fl uorescent light is near the cables. Keep other appliances and leads
away from this unit's cables.
If possible in your area, turn the AC mains lead's plug or connector over to reverse the lead's
polarity.
Incorrect operation performed. Read the instructions and try again.
You plugged the AC mains lead in for the fi rst time or there was a power failure recently.
Set the time (refer page 12).
Check and correct the speaker cord connections (refer page 4).
If this does not fi x the problem, there is a power supply problem. Consult the dealer.
Use an outdoor antenna (refer page 5).
Turn the TV off or separate it from the unit.
Separate the antenna from other cables and cords.
Frequency step is set to 10 kHz. Change the frequency step to 9 kHz (refer page 11).
The location and orientation of the antenna are incorrect. If you are using an indoor antenna,
change to an outdoor antenna (refer page 5).
The TV antenna wire is too close to the unit. Separate the antenna wire of the TV set from the
unit.
If the erasure prevention tabs have been removed, cover the holes with adhesive tape (refer
page 10).
The disc may be upside down (refer page 7).
Wipe the disc.
Replace the disc if it is scratched, warped, or nonstandard.
Condensation may have formed inside the unit due to a sudden change in temperature. Wait
about an hour for it to clear and try again.
Check that the batteries are inserted correctly (refer page 5).
Replace the batteries if they are worn.