17
THD-2850/2860/2880
Problem
Possible causes
What to do
The display on the front
panel does not light up.
Main cable is not connected.
Check that the main cable is
plugged into the power socket.
No sound or picture, but the
front panel shows red light.
The receiver is in standby mode.
Press the standby button.
No sound or picture.
No signal or weak signal.
Check the cable connections,
antenna and other equipment
connected between the antenna
and the receiver.
Bad picture / blocking error.
Signal is too strong.
Antenna noise factor too high.
The antenna is faulty.
Connect a signal attenuator to the
antenna input.
Change to an antenna with lower
noise factor.
Change the antenna.
The picture is not displayed on the
screen, when switching on.
The system is connected by RF
leads.
Check the UHF channel fixed in
your system and tune the UHF
channel properly.
There is interference on your
terrestrial program or video signal.
The system is connected by RF
leads and the output program of
the receiver interferes with an
existing terrestrial programs or
Video signal.
Change the receiver output pro-
gram to a more suitable program,
or connect the system by SCART
leads.
The RCU is not working.
Battery exhausted.
RCU is incorrectly aimed.
Change the batteries.
Aim RCU at the receiver, or check
that nothing blocks the front panel.
Note:
If you have tried all of the actions suggested above, without solving the problem, please contact your
dealer or a customer service adviser.
5. TROUBLE SHOOTING