Search For Errors - VINCENT SP-20 Manuel D'utilisation

Symptom
Unit does not work
after pressing the
power button
No sound, appliance
is switched on (the
POWER LED (1) on
the front of the
device is lit)
No audio playback
on one channel
Vincent
32

SEARCH FOR ERRORS

Possible Cause
Mains cable is not connected to a suitable
mains wall outlet.
Mains cable has not been firmly inserted into
wall power socket and the device's socket.
Otherwise it may be defective.
Unit fuse or unit is defective.
The audio source currently selected at the pre-
amplifier is giving no signal.
The output of the source device is not connec-
ted or is wrongly connected e.g. not connec-
ted to the selected input channel terminal of
the preamplifier.
Wrong input channel has been selected at
the preamplifier.
Volume setting of the preamplifier is set too low.
The preamplifier has been muted (MUTE-
Function).
Output of the preamplifier not connected or
incorrectly connected to the input connector
of the SP-20.
The used speaker outputs (A and/or B) are
not activated.
The speaker cable is not properly connected to
the main amplifier's terminals or is defective.
The source equipment is giving signal on only
one channel.
One of the signal cables between audio sour-
ce and preamplifier inputs has not yet been
plugged in or is defective.
The channel balance is in a wrong setting at
the preamplifier.
One of the loudspeaker cables or one of the
signal cables between pre and main amplifier
is not correctly connected or it is faulty.
Countermeasure
Connect to a functioning socket using a suit-
able mains voltage.
Check the power cable. If necessary,
exchange it with a suitable mains cable and
push its plug firmly into wall socket and the
device's power connector.
Contact your dealer.
Switch on the source unit and begin play-
back.
Correct the connection.
Set the preamplifier to the input that your
desired source is connected to.
Carefully increase the volume of the preamplifier.
Deactivate the MUTE function at the preampli-
fier after, as a precaution, reducing the volu-
me level.
Correct the connection to the preamplifier.
Activate the required speaker outputs (3).
Check and tighten the speaker cables at the
main amplifier and the speakers.
Check the audio source. You can try to use it
at a different amplifier for a test.
Check the cable connections, tighten them if
necessary.
Set the difference in channel volume
("BALANCE" or "CHANNEL") of the pream-
plifier to the desired setting.
Check all the connections of the main amplifiers
and whether the loudspeakers are working.