Sony MHC-M20, Operating Instructions Manual

Page: 37 / 48

Additional Inf
orma
tion
MHC-M20.US.4-736-073- 12 (1)
37
US
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.