Troubleshooting - THOMSON 27LB120S4 - annexe 1 Owner's Manual

Thomson lcd tv owner's manual
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TROUBLE SHOOTING
Before you call for service, determine the symptoms and make a few simple checks as shown below.
TV set:
SYMPTOMS
Power does not turn ON
There is no picture or sound
There are spots on the screen
Degraded colors or tints
Improper screen position or size
The image appears distorted
The image is purple
The image appears too bright, and
there is a loss of definition in the
brightest areas of the image.
The image appears too 'washed out',
or the darkest areas of the i m age
appear too bright.
If "xxx searching" appears, the i m age
or signal cannot be produced by
display.
"Out of range" appears
Remote Control does not function
properly
There is no picture or sound, just
noise.
Picture is not clear.
No sound
POSSIBLE CAUSES
Ensure whether the power plug is securely inserted into the
receptacle.
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.
Check whether your AV equipments is affected by interference
from automobiles, trains, high-voltage transmission lines, neon
signs or other potential sources of interference.
Check whether all image adjustments have been properly adjusted.
Check whether screen position and size have been properly
adjusted.
Ensure the TV's aspect ratio is properly set.
Check the "Component" or "RGB" setting in the LCD TV and set
it for the appropriate signal type.
Check whether the contrast setting is too high.
The DVD player is set for a high-level output.
The video signal has not been terminated properly somewhere in
the system.
Check whether Brightness is set too high.
The DVD player may be set at too high a brightness level.
Check the cable for disconnection.
Check for connection to proper terminal or for proper input
mode.
Check whether the input signal is acceptable to the display.
Check for incorrect battery orientation.
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.
Make sure the antenna cable is properly connected.
Consider whether TV signals are being properly received.
Make sure the antenna cable is properly connected.
Consider whether TV signals are being properly received.
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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