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Samsung LE37R74BDX - picture unstable?

My Samsung LE37R74BDX has developed a fault that starts after about 5 minutes after the set is switched on.

Irrespective of what input is selected, the picture becomes unstable in a similar way to what used to be referred to as vertical hold (ie: picture seems to hop up and down) - which then gets progressively worse.

David
December 2010
SamsungSamsung LE37R74BDXVideo, TelevisionsFault Minutes Set
Looks like the fault is a heat related component failure on the Control Board.
A hair-dryer brings the fault on fast.A freezer spray on one component stops it fast.

David Atkinson
December 2010

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