Panasonic SC-HT280 - Manuel (Page 43)

Problem Probable cause(s) Suggested remedy Page(s)
Common Problems
Unit doesn’t come on. The power cord plug is not fully Inserted. • Confirm the plug is fully inserted. -
Sound is not heard. The speaker indicators are off. • Turn on the speaker indicators. 20
The tape monitor function is on. • Press the tape monitor button. 23
The muting function is on. • Press the muting button on the remote
control.
28
Incomplete or incorrect connection to
speakers and external equipment.
• Check all connections. 10-15
The incorrect input source has been
selected.
• Select the correct source. 20
Digital signals this unit cannot decode are
being played.
• Either have the player convert the signals
so this unit can handle them or switch to
ANALOG input.
20-21
Cannot play CD, OVD, or
TV. The DIGITAL input mode is set to DIGITAL
or ANALOG. • Change the setting to suit the type of
connection you have made.
20
Left and right sounds are
reversed. The left and right speaker connections, or
source connections, are reversed
• Check all connections and correct them if
necessary.
10-15
Thin bass, tinny sound. One of the speakers is connected out of
phase [(+)-(-), H-(+)l.
• Recconnect the speakers maintaining
proper polarity [(+)-►(+), (-)-‘(-)].
14-15
Sound suddenly stops or
none is heard when the
unit is switched on.
“OVERLOAD” appears on
the display.
The protection circuitry has functioned
because: the positive and negative speaker
wires have shorted: speakers with a lower
Impedance than this unit's rated impedance
are being used; the speakers are under
strain through excessive volume, excessive
power,
or by being used in a high
temperature environment.
• Switch off the unit, determine and correct
the cause, then switch the unit on.
• Use speakers with the right impedance
rating.
37
“F70” appears on the
display. • Turn off the power and then turn it on
again, or disconnect the AC power supply
cord and then connect it to your household
AC outlet again.
(If “F70” remains on the display, consult an
authorized service center or your dealer.)
8
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RQT5307