Question about JVC AV-56WP74 56" Rear Projection HDTV-Ready Television
About 6 months ago I had a convergence problem and the tech replaced the two STK392-110 ICs and I had a beutiful HD image until last night when I accesed the convergence setting and did a auto adjustment. I trew off the red color and even after I did a reset and several manual adjustments I cannat make the red align on the outer areas of the grid specially the top and left bottom corner.
I wander if I need to replace those ics again.
I think that your ICs are ok, What you need to perform is what is called dynamic convergence, This involves using the internal convergence controls to align the outer edges of the screen. I am assuming that the center of the screen is ok? it's just the edges which are misaligned, right? Now for the bad news, this task is not easy in fact the job takes a pro about 6 to 12 hours to do it right. I think you should have a qualified TV technician attempt the static convergence setup followed by the dynamic convergence setup.
I hope this helps,
Posted on Dec 29, 2008
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Posted on Jan 02, 2017
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