Sony MHC-M20 Betriebsanleitung - Seite 37

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Sony MHC-M20 Betriebsanleitung
There is no sound.
Adjust the volume.
• •
Check the speaker connections
• •
(page 14).
Check the connection of the
• •
optional equipment, if any
(page 14).
Turn on the connected equipment.
• •
Unplug the AC power cord (mains
• •
lead), then plug in the AC power
cord (mains lead) again and turn
on the system.
There is no microphone sound.
Adjust the microphone volume
• •
level.
Make sure the microphone is
• •
connected to the MIC jack on the
unit correctly.
Make sure the microphone is
• •
turned on.
Microphone adaptor (not
supplied) cannot be removed.
Use a tool such as plier to
• •
disconnect the microphone
adaptor from MIC jack on the unit.
There is severe hum or noise.
Move the system away from
• •
sources of noise.
Connect the system to a different
• •
wall outlet.
Install a noise filter (not supplied)
• •
to the AC power cord (mains lead).
Turn off surrounding electrical
• •
equipment.
The noise generated by the
• •
cooling fans of the system may be
heard when the system is turned
on. This is not a malfunction.
Move the unit away from the neon
• •
signs or fluorescent light.
The remote control does not
function.
Remove the obstacles between
• •
the remote control and the unit.
Move the remote control closer to
• •
the unit.
Point the remote control at the
• •
unit's sensor.
Replace the batteries (R03/size
• •
AAA).
Move the unit away from the
• •
fluorescent light.
There is acoustic feedback.
Reduce the volume.
• •
Move the microphone away from
• •
the system or change the direction
of the microphone.
"CHILD LOCK" appears when you
press any button on the unit.
Set the Child Lock function to off
• •
(page 35).
A clicking sound is heard when
system is turned on.
This is the operating sound and it
• •
occurs when the system is turned
on or off, for example. This is not a
malfunction.
The sound loses stereo effect
during playback.
Turn off the Vocal Fader
• •
(page 34).
Make sure the system is
• •
connected properly.
Check the speaker connections
• •
(page 14).
Speakers
Sound comes from only one
channel or the left and right
volume is unbalanced.
Place the speakers as
• •
symmetrically as possible.
Check that the speakers are
• •
connected securely and correctly.
The source being played back is
• •
monaural.
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