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General
The display starts flashing as soon as
you plug in the power cord even
though you have not turned on the
system.
• The demonstration mode started. Press
"/1 (page 14).
The clock or timer setting is canceled.
• The power cord is disconnected or a
power failure occurred. Redo “Setting
the clock” (page 19). If you have set the
timer, redo “Using the timer” (page 39).
“– –:– –” appears in the display.
• The clock is not set. Set the clock
(page 19).
• A power failure has occurred. Set the
clock (page 19) and timer settings
(page 39) again.
There is no sound.
• Turn MASTER VOLUME clockwise
(or press VOLUME + repeatedly on the
remote).
• The headphones are connected to the
PHONES jack.
• Check the speaker connections
(page 13).
• There is no audio output during
Recording Timer.
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.
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 39).
• Cancel the Sleep Timer function
(page 39).
• 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.
When the "/1 indicator flashes
Immediately unplug the power cord
and check the following items.
• If your unit have a voltage selector,
is the voltage selector set to the
correct voltage?
Check the voltage for your region,
then make sure the voltage selector
is set correctly.
• (MHC-GTX787/LBT-ZTX7 only)
Are the + and – speaker cords short-
circuited?
• Are you using the supplied
speakers?
• Is anything blocking the ventilation
holes on the rear 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 "/1 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.