VINCENT STU-400 Manuel D'utilisation page 37

Symptom
No sound on both
channels although
the unit is ready
for use
No audio playback
on one channel
Weak reception
or no reception
No RDS
Poor sound quality
SEARCH FOR ERRORS
Possible Cause
The output of the tuner is not connected or is
not connected correctly to the selected input
channel terminal of the amplifier.
No frequency with a strong enough signal is
tuned.
No appropriate antenna corresponding to the
frequency band (AM/FM) is attached to the
tuner.
A wrong input channel has been selected at
the amplifier.
Volume level has been set too low.
The amplifier is muted (MUTE-Function).
One of the signal cables between tuner out-
put and (pre-)amplifier input has not yet been
plugged in or is defective.
Antenna not or not properly connected.
The antenna for medium wave (AM) is not
positioned correctly.
Source of disturbance is near.
The operating mode (AM, FM) is in the
wrong setting.
The signal of FM station is too weak (transmit-
ter is possibly at a great distance).
An AM station has been selected, only FM
stations support RDS.
The FM station does not support RDS.
RDS function is switched off.
The cable connections are not tight, the con-
nectors are dirty or a cable is defective.
Countermeasure
Correct the connection.
Set a station frequency with a strong signal. In
case of AM reception, try to position the anten-
na in a better way.
Attach an appropriate antenna (10)(11).
Set the amplifier to the input that your desired
source is connected to.
Carefully increase the output level.
Deactivate the MUTE function after, as a pre-
caution, reducing the volume level.
Check the cable connections, tighten them if
necessary.
Check the connection of the antenna (10)(11)
belonging to the selected operating mode
(AM, FM).
Try various possibilities for placing and posi-
tioning the antenna.
Try to locate and eliminate the disturbance.
Change the operating mode (AM, FM) with
the button "AM/FM" (7)(19).
Try to improve the reception by pressing the
button "ST/MONO" (5)(23) or search for
another station.
Live without this service or tune to another FM
station.
Live without this service or tune to another FM
station.
Switch on the function with the button "RDS
MODE" (9)(25).
Check the cables and cable connections.
Vincent
37