Troubleshooting Guide; Maintenance - Panasonic SA-XR15 Operating Instructions Manual

Troubleshooting guide

Before requesting service, make the below checks. If you are in doubt about some of the check points, or if the remedies indicated in the
chart do not solve the problem, contact Panasonic Canada Inc. Customer Care Centre at 905-624-5505, web site (www.panasonic.ca), or an
authorized Servicentre closest to you.
No power.
No sound.
Sound stops. "F 76",
"OVERLOAD" or
"FAN LOCK" appears on the
display for about a second,
and the unit turns off.
"F 70" appears on the display.
Sound is not heard from the
center, surround, or
subwoofer speakers.
Cannot use Dolby Pro Logic2 2
or SFC.
The radio cannot be tuned in
or there is a lot of noise and
interference.
There is a lot of noise when
listening to AM.

Maintenance

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.
18
Common problems
¡Ensure the power cord is connected.
¡Turn the volume up.
¡Check connections to speakers and other equipment.
¡Select the correct source.
¡Change the D-INPUT setting to suit the type of connection you have made.
¡Check that the digital signals can be decoded by this unit.
¡Turn PCM FIX or DTS FIX off.
¡Determine and correct the cause, then switch the unit on.
Causes include:
–Shorting (bare wires touching) of positive and negative speaker wires.
–Using speakers with an impedance lower than that rated for this unit.
–Straining of the speakers through excessive volume or power.
–Using the unit in a hot environment without proper ventilation.
Consult your dealer if the problem occurs again after switching the unit on.
¡Turn the unit off, disconnect the AC power supply cord, and consult your dealer.
Sound modes
¡Ensure the SPEAKERS settings for your speakers are correct.
¡Turn 2CH MIX off.
¡The source may be stereo. Change the sound mode.
¡You cannot use Dolby Pro Logic2or SFC when input is PCM with sampling
frequencies of 96, or 88.2 kHz.
Radio
¡Connect the appropriate antenna. (You may need an outdoor antenna or one with
more elements.)
¡Adjust the position of the FM or AM antenna.
¡Reduce the treble.
¡Turn off nearby televisions, video decks, DVD players, and satellite receivers.
¡Separate the antenna from other cables, cords, and appliances.
¡Try changing the A/D ATT setting. This may change the volume, but noise will also
reduce.
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