akira LCT-32PBSTP, Service Manual

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Model No.: LCT-32PBSTP.doc
Version: 1.0
1.2 TV set:
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
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.