Sony MHC-GTR88 Operating Instructions Manual page 41

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.
• Turn off surrounding electrical
equipment.
The timer does not function.
• Check the timer setting and set the
correct time (page 37).
• Cancel the Sleep Timer function
(page 37).
• You cannot select the Play Timer and
the Recording Timer at the same time.
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).
• Move the unit away from the
fluorescent light.
There is acoustic feedback.
• Reduce the volume.
• Move the microphone away from the
speakers or change the direction of the
microphone.
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.
(MHC-GTR88/MHC-GTR77/
MHC-GTR55/MHC-GTR33 only)
There is no sound from the
subwoofer(s).
• Adjust the subwoofer level on the unit to
the appropriate level.
• Check that the subwoofer(s) is(are)
connected securely and correctly to the
unit.
(MHC-GTR88/MHC-GTR77 only)
There is no sound from the satellite
speaker.
• Check that the satellite speakers are
connected securely and correctly.
Disc player
The disc tray does not open and
"LOCKED" appears in the display.
• Consult your nearest Sony dealer or
local authorized Sony service facility.
The disc tray does not close.
• Load the disc correctly.
• Always close the disc tray by pressing
Z OPEN/CLOSE. Do not forcibly push
the disc tray to close it as this may cause
a malfunction.
The disc does not eject.
• You cannot eject the disc during
CD-USB Synchronized Transfer
(page 21), CD-TAPE Synchro
Recording (page 35), or REC1
Transferring (page 22). Press x to
cancel the transferring, then press Z
OPEN/CLOSE to eject the disc.
• Consult your nearest Sony dealer.
Playback does not start.
• Open the disc tray and check whether a
disc is loaded.
• Wipe the disc clean (page 48).
• Reload the disc.
• Load the disc that this system can play
back (page 48).
• Load the disc on the disc tray with the
label side facing up.
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