Panasonic SC-AK340 Operating Guide

Page of 20
17
RQT8043
RQTV0066
LANG - 5
LANG - 4
FRANÇAIS
DANSK
DEUTSCH
Troubleshooting guide
Before requesting service, make the checks below. 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.
Reference pages are shown as black circled numbers 
4.
Common problems
Although the unit is in standby 
mode, the display lights up and 
changes continuously.
Turn off the demo function. 
5
If you set the clock, demo function will be turned off automatically. 
%
No sound.
Sound stops.
Turn the volume up.
Switch off the unit, determine and correct the cause, then switch the unit on. 
Causes include shorting of the positive and negative speaker wires, straining 
of the speakers through excessive volume or power, and using the unit in a hot 
environment.
Sound is unfi xed, reversed or 
comes from one speaker only.
Check the speaker connections. 
4
Humming heard during play.
An AC mains lead or fl uorescent light is near the cables. Keep other appliances 
and cords away from this unit’s cables.
“ERROR” is displayed.
Incorrect operation performed. Read the instructions and try again.
“– –:– –” appears on the display at 
standby mode.
You plugged the AC mains lead in for the fi rst time or there was a power failure 
recently.
Set the time. 
%
“F61” is displayed.
Check and correct the speaker cords connection. 
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.
Use an outdoor antenna. 
5
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.
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.
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
Poor quality sound.
Clean the heads. 
(
Recording is not possible.
If the erasure prevention tabs have been removed, cover the holes with adhesive 
tape. 
#
(Continued on next page)
RQTV0066-B.indd   17
RQTV0066-B.indd   17
11/16/05   9:37:42 AM
11/16/05   9:37:42 AM