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Magnavox LCD Black Clouds on Screen

I have a Magnavox MLCD32 LCD TV which is distributed by Mistral in Australia. The problem began with the unit switching itself off and on again, numerous times, it was first turned on after being off overnight. When it finally decide to stay on, there was an intermittent "pop" from the speakers, accompanied by a black "cloud" passing from the right hand lower part of the screen across to the left. It is interment and it began on a day of high humidity,

I pulled the back of the set and cleaned what I could with canned air and applied a little cpntacy cleaner & lube to the switches. This reduced the incidence of the problem greatly, with the interference increasing with humidity. Would a more thorough cleaning and application of electrically inert lanolin or silicon help? Any suggestion welcome.

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You could try the more thorough cleaning but I would get a dehumidifier and just have it run in the room whenever you aren't using the tv and your tv should have way less problems.

Please let me know if you have any questions about this or if you need further help.

Thank you and good luck

Posted on Apr 14, 2008

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Problem can be caused by oxyde on board IC contacts, try using circuit cleaning solution.

Posted on Apr 14, 2008

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