User manual

20
Troubleshooting
Problem Potential Reasons What to do
No picture
Power isn’t connected
The power switch is not on
Connect the power
Switch on the power
Screen shows “ No
Signal”
Not connect DVB cable
Incorrect setting
Plug in the DVB cable
Set up correct parameter
No sound from
Speaker
No or incorrect connection with
audio cable
Mute the sound
Incorrect sound track
Connect the audio cable
correctly
Switch on the correct
Volume control
Try another sound track
Only sound ,no
Image on the screen
No or Incorrect connection with
AV cable
The program is a radio program
Connect the video cable
correctly
Press TV/Radio button to
shift into TV mode
Remote control is
not workable
The battery is exhausted.
Remote control unit is not in
the right opposite of the front
panel or too far from it.
Change new battery.
Adjust the way of holding
remote control unit and get
near to the panel.
The image stop
suddenly or mosaic
The signal is too weak Strengthen the signal