Troubleshooting Guide - Panasonic PM31 - SC Micro System 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.
Sound is unfi xed, reversed or comes
from one speaker only.
Humming heard during play.
"ERROR" is displayed.
"– –:– –" appears on the display.
"F61" 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.
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 total number of tracks displayed
differs each time the same disc is
inserted.
Unusual sound is heard.
CD-RW cannot be read.
"VBR–" is displayed instead of the
remaining play time.
"TAKE OUT/DISC" appears on the
display.
The remote control
Remote control doesn't work.
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RQT7928
Turn the volume up.
The speaker cables 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 cables
away from this unit's cables.
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 cable 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.
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 non-standard.
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 disc may be scratched, or its data may be defective. Replace the disc.
The disc was incompletely formatted. Use the recording equipment to fully format the disc
before recording.
The unit cannot display the remaining play time for variable bit rate (VBR) tracks.
There is a problem with the disc mechanism. (A power failure may have occurred.)
The tray will open automatically. Remove the disc from the tray, and after ensuring there is
no disc in the tray, close it. The unit will make the disc changing noises for a few moments
and then it should operate normally.
Check that the batteries are inserted correctly (refer page 5).
Replace the batteries if they are worn.