Panasonic SC-AK90 Operating Instructions Manual page 38

E
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 resolve the problem
and i_,store 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 direct oly
of Authorized Service Centers (enclosed with this unit) to locate a
convenient service center, or consult your dealer for instTuctions.
(In U.S.A consult PASC Authorized Servicenters for detailed instruc-
tions or call 1-800-545-2672 for the address of an authorized factory
servicenter.)
Problem
Probable cause(s)
Suggested remedy
Problems common to all systems
There Is no sound when the
power is ON.
The location of the vsdoue
musical instruments is not
well defined.
Volume is set too low.
The (+) and (-)connections t oone of thespeakers
reverse.
e
The left a nd right connections t othe speake_are
reversed.
Adjust the volume level with the volume conizol.
0®o
Connect thespeakercordscor_ctly. 0
The left and right sounds Connect the speaker €on:iscorrectly. O
are reversed.
When listening to the The left and right cormectinnsto the external unit CorLnect the external unit's cord correctly. O
external unit, the left end are reversed.
right sounds are revered.
Only one speaker
is One of the wires of the speaker cord is Connect the speaker cord correclly. 0
emittingsound, disconnected.
There is no sound when a The (+) and (-) wL,'eof the speaker cords are Switch the s/stem to the standby mode, _md
source is being played, shorted, reconnect the speaker cords so that they are not
shorted. Then switch on the power. O
"ERROR" message appears Wrong operation has been done. Operate the unit correctly by following the
on the display, operating instructions.
"- -:--" epbears on the eYou plugged the Power cord in Inr the first time. Set the time. 0
display eThers was a power failure recently.
While listenig to FM broadcasts
The _ansmitting station is a long distance away.
There is a "rushing n;ofso"
dudng a stereo broadcast
which is not audible during
a monaural brcadcasL
You hear excessive noise
during a stereo broadcast,
and occasionally the sound
disappears.
The installation location and orientation of the
antenna are unsuitable.
If you are using an indoor antenna, change to an
outdoor antenna. O
The stereo indicator The l_r_smitl_g station is a long distance away.
("STEREO") flickers end
does not light sompletely. The p.o. wer of the TV set or VCR is ON. Try switching off the TV set or VCR.
The sound during s stereo There is a building or mountain nearby. Use a high-grade outdoor antenna, and install it in a
broadcast is highly [Distortion is cause_ by interference between the good location, height, and orientation for reception.
distorted, signal from the transmitting station (di.,ect wave) O
and thesignal 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 tingeyou are Switch off the TV set, or use the s/stem further
sound, playing a "IV set. away from it.
YOU hear s low-frequency The antenna wire is near the power cord. Separate the antenna wire from the power cord.
hum.