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7. Troubleshooting
In case of failures which are not necessarily breakdowns of the receiver. Before
they are sent for repair, please check as per the following table:
Failure Possible cause Troubleshooting method
After startup, there’s
nothing display on
the front panel.
Power plug is not
connected.
Insert the plug into the
socket firmly.
“No TV signal”
displayed on the
screen
Signal cable is not
connected properly.
Connect RF input cable
properly.
The parameter is not set
correctly.
Check and set parameters
correctly.
No voice in the
speaker properly
Audio cable is not
connected.
Connect the cable
according to wiring
diagram again.
Voice is closed.
Turn on voice and adjust
volume louder.
Output voice channel is
not correct.
Enter System Setup to try
other audio channels.
There’s just voice,
no image on the TV
screen
Video cable is not
connected properly.
Connect the cable
according to wiring
diagram again.
Radio program is tuned in
to.
Press <TV> key to switch
to TV program.
Remote controller
can’t be operated
Power of battery is
running out.
Replace battery.
Remote controller is not
aimed at properly or is too
far away.
Aim at the remote
controller and shorten the
distance.
There’s halt or
mosaic phenomena
on the images
Signals are too weak
Measures should be taken
to strengthen signals.