Appendix

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

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.

No picture, no sound

Check the

antenna/cable connections.

 

Press [DISPLAY] to see if you have select the right signal source.

 

 

No sound, picture OK

The sound may be muted. Press [ >] on the remote control or .

The station may have broadcast difficulties. Try another channel.

 

 

Check the speakers cable connections.

 

 

Poor sound, picture OK

The station may have broadcast difficulties. Try another channel

 

 

 

Check the antenna connections.

Poor picture, sound OK

The station may have broadcast difficulties. Try another channel.

 

Adjust the picture from the menu.

 

 

Unable to select a certain channel

The channel may be skipped. See SKIP on page 14.

 

 

Poor color or no color

The station may have broadcast difficulties. Try another channel.

Adjust the HUE and COLOR in the menu.

 

 

 

 

There may be

an obstruction between the remote control and the

The remote control does not operate

remote control

sensor.

The batteries

may be installed with a wrong polarity.

 

 

The remote control batteries may be dead. Replace the batteries.

 

 

 

Disorder display at power on

This may be caused by too short interval between power off and on. Unplug the power and restart.

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Hisense Group TL3220 user manual Troubleshooting, Symptoms Possible Solutions