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samsung lcd picture loss.

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mzone:
got a samsung lcd LE46M87BD set comes on and shows picture for about 1 second then picture goes black.

the symptoms repeat if you switch off then back on again.

i have replaced both left/right invertor blocks and checked power supply levels and these seem ok.

i have noticed the back lights flicker before the picture goes off and i can hear a quiet buzzing sound.

has anyone came across this problem?

thanks

sparky:
hi
if you can split screen check the connections to the ccfl
bad connection
dave

pol-uk:
In those models are CCFL tubes problem. Regards

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