Hisense Group LCD3704NEU - Manual (Page 22)

Troubleshooting
Before calling a service technician, please check the following table for a possible cause of the problem and
some solutions.
Symptoms Possible Solutions
TV will not turn on
No picture, no sound
No sound, picture OK
Poor sound, picture OK
Poor picture, sound OK
Unable to select a certain channel
Poor colour or no colour
The remote control does not operate
Make sure the power cord is plugged in, then press [Power].
The remote control batteries may be dead. Replace the batteries.
Check if you have set the off timer.
Check the antenna/cable connections.
Press [Display] to see if you have select the right signal source.
The sound may be muted. Press on the remote control or .
The station may have broadcast difficulties. Try another channel.
[VOL+]
The station may have broadcast difficulties. Try another channel
Check the antenna connections.
The station may have broadcast difficulties. Try another channel.
Adjust the picture from the menu.
The channel may be skipped. See SKIP on page 11.
The station may have broadcast difficulties. Try another channel.
Adjust the HUE and COLOUR in the menu.
There may be an obstruction between the remote control and the
remote control sensor.
The batteries may be installed with a wrong polarity.
The remote control batteries may be dead. Replace the batteries.