Sony LBT-GTZ4i Operating Instructions Manual page 40

Sound comes from one channel,
or the left and right volumes are
unbalanced.
• Place the speakers as symmetrically as
possible.
• Connect only the supplied speakers.
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 36).
• Cancel the Sleep Timer function
(page 36).
• 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.
40 GB
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,
or REC1 Transferring. 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 47).
• Reload the disc.
• Load the disc that this system can play
back (page 47).
• Load the disc on the disc tray with the
label side facing up.
• Remove the disc and wipe away the
moisture on the disc, then leave the
system turned on for a few hours until
the moisture evaporates.
• Press N to start playback.
The sound skips.
• Wipe the disc clean (page 47).
• Reload the disc.
• Move the unit to place without vibration
(e.g., on top of a stable stand).
• Move the speakers away from the unit,
or place them on seperate stands. When
you listen to a track with bass sounds at
high volume, the speaker vibration may
cause the sound to skip.