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Sony LBT-GTZ4i Operating Instructions Manual: Troubleshooting

Mini hi-fi component system.
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Should you encounter a problem with
your system, do the following:
Make sure the power cord and
speaker cords are correctly and
firmly connected.
Find your problem in the checklist
below, and take the indicated
corrective action.
If the problem persists, contact your
nearest Sony dealer.
Note that if service personnel changes
some parts during repair, these parts
may be retained.
When the "/1 indicator flashes
Immediately unplug the power cord,
and check the following items.
• If your system has a voltage selector,
is the voltage selector set to the
correct voltage?
• Are you using only the supplied
• Are the + and – speaker cords short-
• Is anything blocking the ventilation
holes of the unit?
After checking the above items and
fixing any problems, plug in the power
cord again and turn on the system. If
the STANDBY indicator still flashes,
or if the cause of the problem cannot
be found even after checking all the
above items, consult your nearest
Sony dealer.
The display starts flashing as soon as
you plug in the power cord even
though you have not turned on the
• Press DISPLAY once while the system
is turned off. The demonstration
The clock or timer setting is canceled.
• The power cord is disconnected or a
power failure occurred. Redo "Setting
the clock" (page 16). If you have set the
timer, redo "Using the timer" (page 36).
"– –:– –" appears in the display.
• The clock is not set. Set the clock
(page 16).
• A power failure has occurred. Set the
clock (page 16) and timer settings
(page 36) again.
There is no sound.
• Turn MASTER VOLUME clockwise
(or press VOLUME + repeatedly on the
• The headphones are connected to the
PHONES jack.
• Check the speaker connections
(page 15).
• There is no audio output during
Recording Timer.
There is no sound from the
• Check that the subwoofer is connected
securely and correctly to the unit.
There is no microphone sound.
• Turn MASTER VOLUME clockwise
(or press VOLUME + repeatedly on the
remote) or turn MIC LEVEL clockwise
to adjust the microphone volume.
• Make sure the microphone is connected
to the MIC jack correctly.


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