Insignia NS-LCD32, Руководство по обслуживанию

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shaped bright spots voltage transmission line, neon lamp etc.
z Maybe there is interference between antenna and power
supply line. Please try to separate them in a longer
distance.
z Maybe the shielded-layer of signal wire is not connected
properly to the connector.
There appear streaks or light color
on the screen
z
Check if interfered by other equipment and if interfered
possibly by the equipment like transmitting antenna, non
professional radio station and cellular phone.
2.TV set:
Symptoms Possible cause
Unable to switch the power on
z
Check to see if the power plug has been inserted
properly into the socket.
No picture and sound
z
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)
z See if it’s receiving the signal that is transmitted from
other source than the station
z Check if it’s connected to the wrong terminal or if the
input mode is correct.
z 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
z
Check if all the picture setups have been corrected.
Screen position or size is not
proper
z
Check is the screen position and size is correctly set up.
Picture is twisted and deformed z Check to see if the picture-frame ratio is properly set up.
Picture color changed or colorless
z
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
z
Check if the contrast setting is too high.
z
Possibly the output quality of DVD broadcaster is set too
high.
z
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
z Check if the setting for the brightness is too high
z 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.
z
Check if the cable is disconnected.
z
Check if it’s connected to the proper terminal or if the
input mode is correct.
There appears an indication - z Check if the TV set can receive input signal. The signal is