Question about Hitachi 65S700 65" Rear Projection HDTV
TV IS SLIGHTLY OVER 4 YEARS OLD WARRANTEE OF COURSE IS EXPIRED. AGAIN PICTURE IS PRETTY RED AND SLIGHTLY BLURRY. COULD IT BE A CIRCUIT BOARD GONE MAD OR COLOR BULBS?
It is probably a convergence problem which would involve solder work to change convergence i.c.s or if there are not colored shadows around everything it could be a problem with tubes. On a few of these I was able to remove the front grill and take off the small door, and with an insulated screwdriver gently tap on the neck of the tubes with the set on. Now if the picture flickers you have some particles on the filaments of the tubes and sometimes the debris will break free when you perform this, allowing your picture to restore full color and brightness without changing any parts whatsoever. Otherwise, the convergence chips are located on a large metal heatsink and have a generic part number printed on the front of each. Sometimes you have to remove a pressure clip to see it. Hope this helps, Russmann.
Posted on Jun 13, 2008
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