Troubleshooting - Sony CMT-SBT20B Operating Instructions Manual

Troubleshooting

Troubleshooting
If a problem occurs while operating the
system, follow the steps described below
before consulting your nearest Sony dealer.
If an error message appears, be sure to make
a note of the contents for reference.
1
Check to see if the problem is listed
in this "Troubleshooting" section.
2
Check the following customer
support websites.
For customers in Europe:
http://www.sony.eu/support
For customers in other countries/
regions:
http://www.sony-asia.com/support
You will find the latest support
information and a FAQ at these
websites.
3
If, after steps 1 and 2, you still
cannot solve the problem, consult
your nearest Sony dealer.
When bringing the product in for
repairs, be sure to bring in the entire
system (main unit, speakers and remote
control).
This product is a system product, and
the entire system is needed to
determine the section requiring repair.
If "PROTECT" appears on the display 
Immediately unplug the power cord, and
check the following items after "PROTECT"
disappears.
• Make sure that the + and – speaker
cords are not short circuited.
• Make sure that nothing is blocking the
ventilation holes of the system.
After you have checked these above
items and found no problems, reconnect
the power cord, and turn on the system.
If the issue persists, contact your nearest
Sony dealer.
30
GB
General
The system does not turn on.
C
Make sure you have connected the power cord
to a wall outlet correctly.
The system has entered standby mode
unexpectedly.
C
This is not a malfunction. The system enters
standby mode automatically in about 15
minutes when there is no operation or audio
signal output. See "Setting the automatic
standby function" (page 26).
The clock setting or the Play Timer operation
has been canceled unexpectedly.
C
If about a minute elapses with no operation,
the clock setting or Play Timer setting is
canceled automatically. Perform the operation
again from the beginning.
There is no sound.
C
Are the + and – speaker cords short-circuited?
C
Are you using only the supplied speakers?
C
Is anything blocking the ventilation holes of
the system?
C
Turn up the volume on the unit.
C
Make sure an external component is
connected correctly to the AUDIO IN jack 
and set the function to AUDIO IN.
C
The specified station may have temporarily
stopped broadcast.
Sound comes from one channel, or the left
and right volumes are unbalanced.
C
Place the speakers as symmetrically as
possible.
C
Connect only the supplied speakers.
Severe hum or noise occurs.
C
Move the system away from sources of noise.
C
Connect the system to a different wall outlet.
C
Use of an AC power tap with a noise filter (not
supplied) is recommended.