Question about Sony KP-51HW40 51" Rear Projection Television
It is a set with issues with the 3 picture tubes but it is quite likely if you locate the red screen control and turn it down just a little you can correct this problem.
Posted on Dec 22, 2012
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Posted on Jan 02, 2017
SOURCE: Sony 57 in Rear Projection TV
If the picture is playing fine and you notice that the background is getting more and more red, until it is too red and the set shuts down, it could be that the red screen control is set just a bit too high. If this is the case, you can probably correct this yourself. If you are watching a perfect picture and then it suddenly flashes a very bright red, with thin red lines in the pictureand then shuts down, it usually means that the red picture tube has developed a short in it, between the cathode and heater. A good tech might be able to remove the short by arcing, but if the short persists then the red tube will have to be replaced. Either way, this is something that should only be done by a qualified tech.
Posted on Aug 27, 2007
6 blinks is usually associated with failure of the horizontal
deflection amplifier - which shuts down the high voltage system as well.
The repair requires testing to determine the exact parts that have failed. There are, for example, a few hundred parts and a section of the Jungle IC chip involved. So, repairs could require something as simple as replacing some inexpensive passive components OR as complicated as replacing the jungle chip (very expensive).
most of the time it's the horz. transformer and transistor.
Posted on Dec 20, 2007
Afraid the part number 8-733-648-15 shows as no longer avalible on all the suppliers I searched, but mabe some shop out there might have one, average cost $250+$350.00
Posted on Oct 22, 2008
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Posted on Mar 30, 2009
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