Have a Samsung Compac Theater Model SPT-521J, 52" Projection TV come in
with horizontal color lines in the lower half of the screen. When I had
originally spoke with the customer, he indicated what seem to be a lack
of vertical sweep. After turning on the set, I have no video, only red,
blue, and green horizontal lines in the lower half. All lines are
separated from each other. The blue line is slightly curved downwards at
the ends. I had replaced the T-chip eight months earlier to correct a
pulsating pix between picture modes ( IC 201, Sony CXA1477AS ). I have
seen other projection units without vertical sweep and in a properly
converged unit, it is usually a white horizontal line. I find the lack
of video puzzling if I was looking at a convergence problem. There is
very little data on this particular set. Any help would be appreciated.
Thanks ahead, Ron.


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