Panasonic SC-AK25 Operating Instructions Manual page 34

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 prob-
lem and restore proper operation.
Problem
If you are in doubt about some of the check points, or if the reme-
dies indicated in the chart do not solve the problem, refer to the di-
rectory of Authorized Service Centers (enclosed with this unit) to lo-
cate a convenient service center, or consult your dealer for
instructions.
(In U.S.A. consult PASC Authorized Servicenters for detailed in-
structions or call 1-800-211-7262 for the address o.Lan authorized
factory servicenter.)
E
Probable cause(s) Suggested remedy
Reference
page(s)
Problems common to all
There is no sound when
the power is ON.
The location of the various
musical instruments is not
well defined.
The left and right sounds
are reversed.
Low frequency sounds
can not be heard.
When listening to the
external unit, the left and
right sounds are reversed.
There is no sound when a
source is being played.
"ERROR" message
appears on the display.
"_:--" appears on the
display.
systems
Volume is set too low.
The (+) and (-) connections to one of the
speakers are reversed.
The left andrightconnections to the
speakerare reversed.
Either the left or dghtLOWspeakercableis
notconnected.
The left andrightconnections to the
external unitare reversed.
The (+) and(-) wireof the speakercords
are shorted.
Wrong operation has been done.
eYou plugged the power cord in for the first
time.
eThere was a power failure recently.
Adjust the volumelevelwiththe volume
control.
Connect t he speakercordscorrectly.
Connect the speaker cords correctly.
Connect the left and right speaker cables to
the LOW terminals.
Connect the external unit's cord correctly.
Switch the system to the standby mode,
and reconnect the speaker cords so that
they are not shorted. Then switch on the
power.
Operate the unit correctly by following the
operating instructions.
Set the time.
12, 14, 18
6
6
6
7
6
10
While listening to FM broadcasts
There is a "rushing noise"
during a stereo broadcast
which is not audible
during a monaural
broadcast.
You hear excessive noise
during a stereo broadcast,
and occasionally the
sound disappears.
The stereo indicator
("STEREO") flickers and
does not light completely.
The sound during a stereo
broadcast is highly
distorted.
The transmitting station is a long distance.
The installation location and orientation of
the antenna are unsuitable.
The transmitting station is a long distance.
The power of the TV set or VCR is ON.
Thereis a building or mountainnearby.
[Distqrtion iscausedbyinterference
between the signalfrom the transmitting
station(directwave)andthe signalreflected
from the building or mountain(reflected
wave).]
If you are using an indoor antenna, change
to an outdoor antenna.
Try switching off the TV set or VCR.
Use a high-grade outdoor antenna, and
install it in a good location, height, and
orientation for reception.
7
While listening to AM broadcasts
You hear an unusual beat You are using the system at the same time
sound, you are playing a TV set.
You hear a low-frequency The antenna wire is near the power cord.
hum.
Switchoftthe TV set, or usa the system
furtheraway fromit.
Separatethe antennawire from the power
cord.