Question about Sony KP-53V35 53" Rear Projection Television

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Sony KP-53V35 - red tube issues

I got this tv dead with a short in the HV Block, $50 later it worked for a while. On first try it took a minute or more to warm up, but picture came on in fairly good shape. I adjusted the screen and focus (down) after the set started to warm up and screen went black with sound. Green and Blue appear to be dimly lit in "warmed up mode" but red shows nothing but tube tip has normal amber glow all tubes have. TV now comes on with sound but no picture and never comes out of stand-by blinking light. I don't think the tube is shot since it did work for a while, but I'm not expert, I just know safety precautions and basic diagnostic troubleshooting. I've reseated the HV Wires to the block and all appear to be getting good power. I have a feeling the set isn't releasing video out until it receives signal back from red that it's ready to go.  Any Ideas to why the red tube isn't glowing at the phosphorus end but is at the clear tip?

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In my computer the red tube is working properly. all pictures are not playing continuesly

Posted on Dec 10, 2008

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http://www.somelifeblog.com/2007/06/sony-projection-tv-red-line-repair.html

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