Panasonic SC-AK57 Operating Instructions Manual page 42

Troubleshooting guide
Before requesting service for this unit, check the chart below for a possible cause of the problem you are experiencing. Some simple checks or
a minor adjustment on your part may eliminate the problem and restore proper operation.
If you are in doubt about some of the check points, or if the remedies indicated in the chart do not solve the problem, refer to the directory of
authorized service centers (enclosed with this unit) to locate a convenient service center, or consult your dealer for instructions.
For detailed instructions, contact an authorized servicenter in the U.S.A. and Panasonic Canada inc. Customer Care Center in
Canada.
in the U.S.A. 1-800-211-7262 or web site (http://www.panasonic.com)
in Canada 905-624-5505 or web site (www.panasonic.ca/faq.html)
Probable cause(s) Suggested remedy Reference page(s)
Problems common to all systems
ECO mode is on but the DEMO mode is on. Turn DEMO mode off.
display panel still lights
up.
The location of the various | The (+) and {—) connections to one of the Connect the speaker cords correctly.
musical instruments is not | speakers are reversed.
well defined.
The left and right sounds The left and right connections to the Connect the speaker cords correctly. 7
are reversed. speaker are reversed.
LOW frequency sounds Either the left or the right LOW speaker Connect the left and right speaker cables to 7
cannot be heard. cable is not connected. the LOW terminals.
When listening to the The left and right connections to the Connect the external unit's cord correctly.
external unit, the teft and external unit are reversed.
right sounds are reversed.
There is no sound when a The (+) and (—) wire of the speaker cords Switch the system to the standby mode,
source is being played. are shorted. and reconnect the speaker cords so that
they are not shorted. Then switch on the
power,
"ERROR" message Incorrect operation has been done. Operate the unit correctly by following the
appears on the display. operating instructions.
"——;-—" appears on the eYou plugged the power cord in for the first | Set the time. 13
time.
There was a power failure recently.
display.
"F61" appears on the
display.
Check if the speaker cords have shorted. If they are not shorted then there is a power
supply problem. Consult your dealer for
assistance.
NA
While listening to FM broadcasts
There is a "rushing noise" | The transmitting station is distant. if you are using an indoor antenna, change
during a stereo broadcast to an outdoor antenna.
which is not audible
during a monaural
broadcast.
You hear excessive noise The installation location and orientation of
during a stereo broadcast, | the antenna are unsuitable.
and occasionally the
sound disappears.
The stereo indicator The transmitting station is distant
The sound during astereo | There is a building or mountain nearby. Use a high-grade outdoor antenna, and
broadcast is highly [Distortion is caused by interference install it in a good location, height, and
distorted. between the signal from the transmitting orientation for reception.
station (direct wave) and the signal
reflected from the building or mountain
(reflected wave).]
While listening to AM broadcasts
You hear an unusual beat You are using the system at the same time Switch off the TV set, or use the system
sound, you are playing a TV set. further away from it.
("STEREO") flickers and = ro
does not light completely.
The power of the TV set or VCR is ON.
Try switching off the TV set or VCR.
Lee |
RQT4802