Panasonic SC-PM21 Troubleshooting guide, Common problems, Listening to the radio, Playing discs

Models: SC-PM21

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Troubleshooting guide

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 unfixed, reversed or come from one speaker only.

Humming heard during play.

“ERROR” is displayed.

“- -:- -” appears on the display.

“F76” is displayed.

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.

Listening to the radio

Noise is heard.

The stereo indicator flickers 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.

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).

When there is a television set nearby

The picture on the TV disappears or stripes appear on the screen.

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.

Using the cassette deck

Recording is not possible.

If the erasure prevention tabs have been removed, cover the holes with adhesive tape (refer page 10).

Playing discs

The display is wrong or play won’t start.

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.

The remote control

Remote control doesn’t work.

Check that the batteries are inserted correctly (refer page 5). Replace the batteries if they are worn.

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RQT7903

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Panasonic SC-PM21 Troubleshooting guide, Common problems, Listening to the radio, When there is a television set nearby