TROUBLESHOOT [CUSTOMER]
Picture is
out of focus or jumping
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Fringe in
picture
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Picture is interfered by stripe
shaped
bright spots
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There appear streaks or light color
on the
screen
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Unable to
switch the power on
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No picture
and sound
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Deterioration
of color phase or color tone
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Screen
position or size is not proper
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Picture is
twisted and deformed.
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Picture
color changed or colorless.
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Picture
too bright and there is distortion in the brightest area
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Picture is
whitish or too bright in the darkest area of the picture
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No picture
or signal produced from the displayer if “XXX in search” appears.
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There
appears an indication - “outside the receivable scope)
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Remote
control cannot work properly
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No picture
and sound, but only hash
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Blur
picture
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No sound
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When
playing VHS picture search tape, there are lines at the top or bottom of the
picture.
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When being
played or in pause VHS picture search tape sometimes can’t provide stable
picture, which may lead to incorrect display of the liquid crystal TVIn this
case press “auto” key on the remote control so as to enable the liquid
crystal TV set to recheck the signal and then to display correct picture
signal
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SOFTWARE UPGRADING
- Select a serial connection wire and a VGA connection wire and then connect them by means of a patch panel; Use a serial wire to connect the PC to the patch panel and set TV set to off state; Open the software upgrade file holder and double click; "FlashUpgrader NT.exe. icon.
- The following interfaces will show up after running the program:
- Based on the computer features, set up the serial port(COM Port). Select corresponding serial port (if it’s unable to FLASH WRITE, change to another port). Baud is selected to be 115200. Then select Reset Target After Download. Click FLASH push button, it’s ready to run.
- Switch on TV set the FLASH write program begins to run;
- After FLASH write is over, push button “cancel” will become flash. Then shut the main power supply and it’s OK just switch it on again.
Note: Do not shut the power off or turn the TV
set on during the FLASH write. Otherwise it may lead to no way for flash to
rewrite.