Operation Manual
PART 1 • English
26
A.1 TROUBLESHOOTING
There may be various reasons for the abnormal operation of the receiver. Check the receiver according to
the procedures shown below. If the receiver does not work properly after checking it, please contact the
dealer. Don’t open the receiver cover. This may cause a dangerous situation and will void the warranty.
Symptom Cause Remedy
The 4 digits display on
front panel does not
light up.
The power cord is not plugged
in.
Check that the power cord is plugged
in to the wall outlet. Make sure power
switch on rear panel is in ON position.
No picture or sound Wrong connection of the Audio/
Video output of the receiver
to TV.
Audio muting.
TV power off.
Connect the Audio/Video output of the
receiver to TV correctly.
Press the MUTE button
Turn TV on.
No picture The receiver can’t receive the
signal
Incorrect values of channel
parameters.
You have switched to a Radio
channel
Check the antenna cable, replace the
cable, or connect the cable to the
receiver tightly.
Set the values channel parameters
correctly in installation menu.
Press TV/RADIO to get back to TV
channels.
The remote control does
not work
The batteries of the remote
control are not inserted or
exhausted
Check whether the batteries are inserted
correctly in your remote control. Check
the batteries, and if exhausted replace
the batteries in the remote control.