Technicolor - Thomson 20LCDB03B manual Troubleshooting

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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