need vsnc info???

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hmmr2hd
need vsnc info???

   I have a hitachi 55EX1K rear projection with what I think is a vert. sync issue. Case in point, picture rolls w/ continuous motion, no jumping. Called around 4 local repair, but nobody has the courage 2 attempt due 2 the age. What I woulld like 2 ask, is it feasible to try and fix, and easy enough 2 attempt myself?

 

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