XOCECO LC27K6, Руководство по обслуживанию

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6
2.TV set:
No picture and sound, but only hash. Check if the antenna cable is correctly connected, or if it has received
the video signal correctly.
Blur picture Check if the antenna cable is correctly connected.
Of if it has received the right video signal.
Symptoms Possible cause
Unable to switch the power on Check to see if the power plug has been inserted properly into the
socket.
No picture and sound Check to see if the power supply of liquid crystal TV has been
switched on. (as can be indicated by the red LED at the front of the
TV set)
See if it’s receiving the signal that is transmitted from other source
than the station
Check if it’s connected to the wrong terminal or if the input mode is
correct.
Check if the signal cable connection between video frequency source
and the liquid crystal TV set is correct.
Deterioration of color phase or color
tone Check if all the picture setups have been corrected.
Screen position or size is not proper Check is the screen position and size is correctly set up.
Picture is twisted and deformed Check to see if the picture-frame ratio is properly set up.
Picture color changed or colorless Check the “Component” or”RGB”settings of the liquid crystal TV set
and make proper adjustment according to the signal types.
Picture too bright and there is distortion
in the brightest area Check if the contrast setting is too high.
Possibly the output quality of DVD broadcaster is set too high.
It maybe also due to improper terminal connection of the video
frequency signal in a certain position of the system.
Picture is whitish or too bright in the
darkest area of the picture
Check if the setting for the brightness is too high
Possibly the brightness grade of DVD player(broadcaster)is set too
high.
No picture or signal produced from the
displayer if “XXX in search”appears.
Check if the cable is disconnected.
Check if it’s connected to the proper terminal or if the input mode is
correct.
There appears an indication - “outside
the receivable scope) Check if the TV set can receive input signal. The signal is not
correctly identified and VGA format is beyond the specified scope.
Remote control cannot work properly Check if the batteries are installed in the reverse order.
Check if the battery is effective.
Check the distance or angle from the monitor.
Check if there is any obstruct between the remote control and the TV
set.
Check if the remote control signal- receiving window is exposed to
strong fluorescence.