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Additional Information Troubleshooting - Sony MHC-V72D Operating Instructions Manual

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Additional Information
Should you encounter a problem
with your system, find your problem
in the troubleshooting checklist
below and take the corrective
If the problem persists, consult your
nearest Sony dealer.
Note that if the service personnel
changes some parts during repair,
these parts may be retained.
If error code and "CHECK
MANUAL" flashes on the
See the following table for the
corrective action.
Error code
Corrective action
Contact your nearest
Sony dealer.
Immediately unplug
the AC power cord
(mains lead), and
check if anything is
blocking the
ventilation openings
of the unit.
After you have
checked and found
no problems,
reconnect the AC
power cord (mains
lead), and turn on
the system.
If the issue persists,
contact your nearest
Sony dealer.
The power does not turn on.
Check that the AC power cord
• •
(mains lead) is connected securely.
The system has entered standby
This is not a malfunction. The
• •
system enters standby mode
automatically in about 15 minutes
when there is no operation or
audio signal output (page 60).
There is no sound.
Adjust the volume.
• •
Check the connection of the
• •
optional equipment, if any
(page 59).
Turn on the connected equipment.
• •
Unplug the AC power cord (mains
• •
lead), then plug in the AC power
cord (mains lead) again and turn
on the system.
There is severe hum or noise.
Move the system away from
• •
sources of noise.
Connect the system to a different
• •
wall outlet.
Install a noise filter (not supplied)
• •
to the AC power cord (mains lead).
Turn off surrounding electrical
• •
The noise generated by the
• •
cooling fans of the system may be
heard when the system is turned
on. This is not a malfunction.
Move the unit away from the neon
• •
signs or fluorescent light.
The remote control does not
Remove the obstacles between
• •
the remote control and the unit.
Move the remote control closer to
• •
the unit.


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