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Troubleshootingguide
Before requesting service for this unit, check the chart below for a
possible cause of the problem you am expedeecing. Some simple
checks or a minor adjustment on your part may eliminate the prob-
lem and restore proper operation.
If you am 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
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 servicenfor in
the U.S.A. and Panasonlc Canada Inc. Customer Care Centre in
Canada.
In the U.S.A. 1-800-211.7262 or web site
(http://www.panasonlc.com)
in Canada 905-624-5505 or web site (www.panasonic.ca)
Reference pages indicated in blackcircles.(For example: 0)
I Problem ! Probable cause(s) ! Suggested remedy I
Noise is excessive in both
stereo and monaural broad-
caste.
The FM stereo indicator or
the quartz fock indicator
flickers, without comp_tely
illuminating.
Excessive distortion in the
sound of stereo broadcasts.
While listening to FM broadcasts
An unusual hissing noise is i A slight noise may be heard because the method
]
heard when listening to the I used for modulation of
FM stereo broadcasts
is
broadcast in stereo, but not different than that used for monaural broadcasts.
heard when listening
monaurally.
i
} Poor location and/or direction of the antenna.
i
Transmitting station is too far away.
i Poor location aed/or direction of the antenna.
i Transmitting station istoo far away.
i Nearby building or mountain.
• Try reducing the treble sound by using the treble
control. (0)
• Try changing the location, height and/or direction
of the antenna. (O O)
• If an indoor antenna is being used, change to an
outdoor antenna. (0)
• Try using an antenna with more elements.
• Try changing the location, height and/or direction
of the antenna. (0 O)
• If an indoor antenna is being used, change to an
outdoor antenna. (0)
I • Try using an antenna with more elements.
An unusual "best" sound is
heard.
While listening to AM broadcasts
l nit isbeing used at the same time as the televi-
sion set.
I
I
[ Interference from adjacent broadcast signal.
m
A low-pitched "hum" sound
is heard when the broad-
cast is tuned.
A strange hissing noise is
produced continuously or
intermittently.
The AM loop antenna connection wires are too
Closeto the power cord.
The power supply frequency from the power cord
! is modulated and heard from the speakers.
i Caused by the "discharge phenomenon" and the
J "oscillation phenomenon" of electric appliances
i (such as fluorescent lights, TV, small series-type
! motors, rectification equipment, etc.).
•Tum off the television set, or use this unit farther
away from it.
• Try reducing the treble sound by usingthe treble
control. (0)
• Place the antenna connection wires and the
power cord farther apart.
• Install a special outdoor antenna. (0)
• Try placing this unit farther away from such equip-
ment.
Common problems
Power will not switch ON. ' The power cord plug is not completely inserted.
No sound is heard. The speaker indicator is turned off.
The tape monitor function is ON.
The muting function is ON.
Connections are incomplete or incorrect to the
speaker systems, etc.
The incorrect input selector has been pressed.
Sound stops during a per- The pmlection circuitry has functioned because
tormance, or no sound is the positive and negative speaker connection
heard when the power is i wires ere "shorted," speaker systems with an
switched ON. impedance less than the indicated rated imped-
(The word "OVERLOAD" ance of this unit are used or under severe use.
appears on the display.) such as loud volume, excessive power and in an
excessively hot environment. I
-- _ Confirm that the power cord plug is connected
completely.
• Turn on the speaker indicator. (0)
! • Press the tape monitor button. (0)
'_ • Press the muting button. (0)
i • Check to he sure that aLIconnection wires are
correctly connected. (0)
• Check to be sure that the correct setsctor is
pressed. (0)
• Switch oft the power, and after determining and
correcting the cause, switch onthe power once
- again.
• Use a speaker system of the proper impedance
rating. (0)
RQT5221
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