6
En
Troubleshooting
Incorrect operations are often mistaken for trouble and malfunctions. If you think that there is
something wrong with this component, check the points below. Sometimes the trouble may lie in
another component. Investigate the other components and electrical appliances being used. If the
trouble cannot be rectified even after exercising the checks listed below, ask your nearest PIONEER
authorized service center or your dealer to carry out repair work.
Symptom
Cause
Remedy
No power is being supplied
(Indicator does not light up
when POWER switch is
turned on) .
• Power supply plug is not
correctly inserted.
• Insert plug securely.
No sound
(Indicator is lit blue) .
• Connection of accessory
RCA plug cord is wrong or
disconnected.
• Volume knob is set to MIN.
• Input level is too low.
• Check again and connect
correctly.
• Turn clockwise slowly.
• Raise the receiver’s output
level.
Sound is distorted.
• Level is too high.
• Input level is too high.
• Turn the volume knob counter-
clockwise to lower the level.
• Turn the
receiver
’s output level
(volume, bass control, bass
boost) counter-clockwise to
lower the level.
Howling noise occurs.
• No power supplied to the
receiver
.
• Subwoofer level is set too
high.
• Connect an
receiver
and
supply power.
• Place the subwoofer a good
distance from speakers. Turn
the volume knob counter-
clockwise to lower the volume.
Much noise when listening
to AM or FM broadcasts.
• The AM loop antenna or
the FM indoor antenna is
close to this unit.
• Increase the distance between
the AM or FM antenna (for
indoor use) and this unit.
No sound is produced
(power indicator lights red).
• Unit has entered standby
mode.
• Turn the Auto Standby
function OFF.
– When the Auto Standby
function is turned ON, if no
signal (or only a very weak
signal) is input for a period
of about ten minutes, the
power mode will
automatically change to
standby.
– Note that when listening
with the volume set to a very
low level, the Auto Standby
function may operate,
switching the unit to the
standby mode.
Initial sounds of a track
can’t be heard.
• The audio signal was input
when the unit was in the
standby mode.
S-31W_En.book 6 ページ ２０１２年１月１７日 火曜日 午前９時２８分
