Panasonic sc-pm4 Manuale Utente
RQTV021
1
10
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.
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.
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 (
The speaker cords may not be connected properly. Turn the unit off, check and correct the
connections and turn the unit on (
➡
page 4).
Sounds unfi xed, reversed or come from
one speaker only.
one speaker only.
Check the speaker connections (
➡
page 4).
Humming heard during play.
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.
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.
“ERROR” is displayed.
Incorrect operation performed. Read the instructions and try again.
“- -:- -” appears on the display.
You plugged the AC mains lead in for the fi rst time or there was a power failure recently.
Set the time (
Set the time (
➡
page 8).
“F76” is displayed.
Check and correct the speaker cord connections (
➡
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 fl ickers or doesn’t
light.
Sound is distorted.
The stereo indicator fl ickers or doesn’t
light.
Sound is distorted.
The location and direction of the antenna are incorrect (
➡
page 4).
A beat sound is heard.
Turn the TV off or separate it from the unit.
A low hum is heard during AM broadcast.
Separate the antenna from other cables and cords.
An AM broadcast station cannot be picked
up clearly.
up clearly.
Frequency step is set to 10 kHz. Change the frequency step to 9 kHz (
➡
page 7).
When there is a television set nearby
The picture on the TV disappears or
stripes appear on the screen.
stripes appear on the screen.
The location and direction of the antenna are incorrect (
➡
page 4).
The TV antenna wire is too close to the unit. Separate the antenna wire of the TV set from
the unit.
the unit.
Playing discs
The display is wrong or play won’t start.
The disc may be upside down (
➡
page 6).
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.
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 (
➡
page 3).
Replace the batteries if they are worn.
Maintenance
If the surfaces are dirty
If the surfaces are dirty
To clean this unit, wipe with a soft, dry cloth.
• Never use alcohol, paint thinner or benzine to clean this unit.
• Before using chemically treated cloth, read the instructions that came with the cloth carefully.
• Never use alcohol, paint thinner or benzine to clean this unit.
• Before using chemically treated cloth, read the instructions that came with the cloth carefully.
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1/31/07 2:42:02 PM