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(Model CODE LA40B530P7MXXS) flashing & Blanked-out!

by hanisham / February 1, 2011 12:15 AM PST

SAMSUNG LCD H(Model CODE LA40B530P7MXXS) flashing & Blanked-out!
-the display will flashing (flickering) after 30-40mins turn on
-then it will do that for another 20-30mins until it blank-out & only sounds. no pictures after that.
-I send it to agent they didn'f ind any problem & sent it back to me.
-I did checked on 3 different houses and various location in the houses. same problem occurs.

any idea???

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