Question about Samsung LE32R41BD 32 in. HD-Ready LCD Television

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Samsung 32" LCD TV

I have to replace the mainboard on a Samsung 32" LCD TV. Does anyone have any tips or tricks??

Thanks!!

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  • theguj Jan 25, 2008

    have the same problem on my le40r74bdx, very noisy picture on all connections except freeview, even the osd is noisy.

    looking at the block diagram, i think i need to replace the main board.

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I replaced mainboard imported from germany, new version. fixed the problem, lasted for another 3 weeks and same problem, luckily they sent two cards instead of one and replaced with second mainboard, it is still working, never buy samsung tv again. I did every thing on the mainboard that i could like looking for a dry joint under magnifying glass, power on each connector, i dont have a ociloscope and also some of the parts on the mainboard are impossible to replace or find anyway. sick of opening and closing the stupid thing.
I dont connect anything except skybox to it and dvd player over hdmi, i think the problem could be due to PC connection, i.e. resolution changes causing some effect on the databus on the video processor chip.

Posted on May 28, 2008

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Attention, noisy pictures on dynamic image does not mean to change the main board, most of the time , the panel need to be replaced, not the main board.

Posted on Feb 14, 2008

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