Sony MHC-GZR5D Operating Instructions Manual page 95

There is no microphone sound.
 Press VOLUME + repeatedly (or turn
VOLUME on the unit clockwise)
or turn MIC LEVEL
clockwise to adjust the microphone
volume.
 Make sure the microphone is
connected to the MIC jack
correctly.
 Make sure the microphone is turned
on.
There is severe hum or noise.
 A TV or VCR is placed too close to the
unit. Move the unit away from the TV
or VCR.
 Move the unit away from the source of
noise.
 Connect the unit to a different wall
outlet.
 Install a noise filter (commercially
available) to the power cord.
The timer does not function.
 Check the timer setting and set the
correct time (page 85).
 Cancel the Sleep Timer function.
The remote does not function.
 Remove the obstacles between the
remote and the unit.
 Move the remote closer to the unit.
 Point the remote at the unit's sensor.
 Replace the batteries (R6/size AA).
 Locate the unit away from the
fluorescent light.


on the unit

There is acoustic feedback.
 Reduce the volume.
 Move the microphone away from the
speakers or change the direction of the
microphone.
The color irregularity on a TV screen
persists.
 Turn off the TV set once, then turn it
on after 15 to 30 minutes. If the color
irregularity still persists, place the
speakers farther away from the TV set.
"THEATRE SYNC" function does not
work.
 If distance between the TV and this
unit is too far, this function may not
work. Install the unit near the TV.
Speakers
Sound comes from one channel or
unbalanced left and right volume.
 Place the speakers as symmetrically as
possible.
 Check that the speakers are connected
securely and correctly.
 The source being played back is
monaural.
Sound lacks bass.
 Check that the speaker's + and 
terminals are connected correctly.

Continued

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