TROUBLESHOOTING

Before you call for service, determine the symptoms and make a few simple checks as shown below.

TV set:

SYMPTOMS

 

POSSIBLE CAUSES

Power does not turn ON

Ensure whether the power plug is securely inserted into the

 

 

receptacle.

There is no picture or sound

Ensure the LCD TV power is ON (Indicated by the green LED on

 

 

the front of the unit)

 

Reception other than those of broadcasting stations can be

 

 

considered.

 

Check for connection to wrong terminal or for wrong input mode.

 

Ensure the communication cable is properly connected between

 

 

the Video Source and the LCD TV.

There are spots on the screen

Check whether your AV equipments is affected by interference

 

 

from automobiles, trains, high-voltage transmission lines, neon

 

 

signs or other potential sources of interference.

Degraded colors or tints

Check whether all image adjustments have been properly adjusted.

Improper screen position or size

Check whether screen position and size have been properly

 

 

adjusted.

The image appears distorted

Ensure the TV's aspect ratio is properly set.

The image is purple

Check the "Component" or "RGB" setting in the LCD TV and set

 

 

it for the appropriate signal type.

The image appears too bright, and

Check whether the contrast setting is too high.

there is a loss of definition in the

The DVD player is set for a high-level output.

brightest areas of the image.

The video signal has not been terminated properly somewhere in

 

 

the system.

The image appears too 'washed out',

Check whether Brightness is set too high.

or the darkest areas of the image

The DVD player may be set at too high a brightness level.

appear too bright.

 

 

If “xxx searching” appears, the image

Check the cable for disconnection.

or signal cannot be produced by

Check for connection to proper terminal or for proper input

display.

 

mode.

“Out of range” appears

Check whether the input signal is acceptable to the display.

Remote Control does not function

Check for incorrect battery orientation.

properly

Check for dead batteries

 

Check for distance and angle from the display.

 

Check whether remote control is properly being pointed at the

 

 

display’s receiver.

 

Check for any obstacle between the remote control and the

 

 

display.

 

Check that the remote sensor window is not under strong

 

 

fluorescent lighting.

There is no picture or sound, just

Make sure the antenna cable is properly connected.

noise.

Consider whether TV signals are being properly received.

Picture is not clear.

Make sure the antenna cable is properly connected.

 

Consider whether TV signals are being properly received.

No sound

Check whether you have selected “Mute” for Audio setting.

 

Make sure the volume is not set to minimum.

 

Make sure that headphones are not connected.

 

Check cables for disconnection.

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Technicolor - Thomson 20LCDB03B manual Troubleshooting