Panasonic SC-HT280 - Manuel (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 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 Centre
in Canada.
In the U.S.A., call 1-800-211-7262,
e-mail [email protected],
or visit www.panasonic.com
In Canada, call 905-624-5505 or visit www.panasonic.ca
Problem Probable cause(s) Suggested remedy Page(s)
While listening to FM broadcasts
Hiss is heard during
stereo broadcasts, but not
during monaural ones.
Modulation for the two types is different so
some noise may be heard during stereo
broadcasts.
• Reduce the treble.
• Change the location and direction of the
antenna.
• Use an outdoor antenna.
• Use an antenna with more elements.
22
12
12
Excessive noise in both
stereo and monaural
broadcasts.
Antenna location and direction poor.
Station is distant.
DSP is on. • Select “DSP DEFEAr. 19
“STEREO” and "TUNED”
indicators flicker. Antenna location and direction poor. • Change the location and direction of the
antenna.
• Use an outdoor antenna.
• Use an antenna with more elements.
12
12
Station is distant.
Stereo broadcasts highly
distorted.
Building or mountain nearby.
While listening to AM broadcasts
Unusual “beat” sound is
heard. A television is on nearby. • Separate the two or turn the television off. -
Adjacent signal is interfering, • Reduce the treble. 22
DSP is on. • Select “DSP DEFEAP’. 19
Low-pitched “hum” is
heard when a station is
tuned.
Power cord is near the antenna wires. • Separate the power cord from the wires. -
Electronic interference from the power cord
is fed to the speakers.
• Use an outdoor antenna. 12
A continuous or
Intermittent hiss is heard. Interference from other appliances. • Separate this unit from such appliances. -
While enjoying the surround modes
Sound is not heard from
the center, surround or
subwoofer speakers.
The presence setting of the speaker has
been incorrectly set to “NONE" or "OFF",
• Set the type and presence setting of each
speaker correctly.
22, 38-39
The DSP mode has been incorrectly set to
“STEREO".
• Set to SURROUND mode. 18
SURROUND and SFC
cannot be selected.
DSP is off. • Select “DSP ON". 19
SPEAKERS Bis on. • Turns SPEAKERS B off. 20
Cannot play Dolby Digital
or DTS sources. The PCM FIX mode may be on. • Turn PCM FIX mode off. 19
The DTS FIX mode may be on. • Turn DTS FIX mode off. 18
An SFC mode is on. • Switch to SURROUND or STEREO mode. 18
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