Troubleshooting - VINCENT SV-123 Manuel D'utilisation

produce this problem. This phenomenon is com-
monly caused by either the tuner's or television's
aerial connection or is associated with personal
computers, electrostatic loudspeakers, subwoofers,
record players or headphone amplifiers, as long
as there is an audio connection to the amplifier.
Another possible source of humming interference is
electromagnetic irradiation from the power supply
unit of other equipment (e.g. amplifiers, receivers,
CD players, tuners etc.) on the pick-up of a connec-
ted record player. It is easy to establish the causes
Symptom
Appliance does not
work after pressing
the power switch.
No sound,
appliance
display working.
Sound play back
does not work on
one channel.
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TROUBLESHOOTING

Possible cause
Power cable not connected to a working
wall outlet.
Power cable not fully inserted into both wall
outlet and the appliance socket. Power
cable faulty.
Appliance fuse faulty.
Volume set too low.
Wrong input channel selected.
Source equipment output not or wrongly
connected to the required input socket on
the receiver.
Source equipment emits no signal.
The receiver is muted.
The loudspeaker cables are not correctly
connected to the receiver or are faulty.
One of the loudspeaker cables is not
properly connected or is faulty.
One of the signal cables between source
appliance and receiver is not plugged in
firmly or is faulty.
of such faults oneself by changing the position of
the record player in respect of other appliances.
Some amplifiers are fitted with a "Ground lift"
switch. When this is pressed, housing potential
and earth conductor potential are disconnected
from the central appliance signal potential. The
effect of the earth remains unchanged. This can
help to counteract humming loops. If this humming
noise cannot be rectified by your own efforts, your
local stockist will be able to help you.
Help
Connect appliance to a working socket.
Check the power cable, change it if
necessary for a suitable cable and push
the plug firmly into both the wall outlet and
the power socket on the appliance.
Contact your local stockist.
Carefully turn up the volume
Correct the input selection.
Correct the connection to the
source appliance.
Start play back on the appliance.
Deactivate the mute function
("MUTE" (28) button).
Check and fasten the loudspeaker cables
to their terminals.
Check and fasten the loudspeaker cables to
the receiver and loudspeaker terminals.
Check and fasten these cables.
Vincent
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