Question about RCA P52960 52" Rear Projection Television
TV worked fine and had great clear picture. We moved the picture to a new house (during cold weather in case that makes a difference) and it came on with everything fine for about 10 minutes and then the Blue and Green Tubes went off with only red working. Reset power a couple times and all three would come on for a few minutes and then go back to red only. Now only the Red comes on. When I removed back panel, Blue and Green tubes are barely glowing while Red is bright. Can anyone help with a suggestion? I was told that the Blue and Green Kein Socket boards needed replaced because they looked to be corroded from some small leakage from the tube coolant. Is this a possible problem?
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Posted on Jan 02, 2017
From your description it does sound if the blue crt has failed. But it can be the crt board or a high voltage issue. intermittantly like that could be a connection problem. is there any hissing ..cracking or smells?
Posted on Dec 17, 2007
First of all you need to find out which CRT leaked and replace it before any other repairs are done. The clear liquid is conductive and has done damage to the CRT board or boards.
Posted on Jun 26, 2008
You are haveing form the sounds of it convergence problems. I see this all the time on this set at the shop. FIrst question in customer menu under setup do you have the convergence option if not consult the tips and tricks section under fl231 problem. if you do have this you may have other troubles the convergence is controled by three seprate boards.
Posted on Nov 11, 2008
If the red, green, and blue colors are separated like a rainbow, then the convergence amps are going out. This set has a common problem of two electrolytic caps going bad. The caps are in the upper left-hand corner of the main board and will have a bulged top if bad.
I would not think the picture tubes are bad, especially all at once.
Posted on Apr 28, 2009
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