Question about RCA P46921 46" Rear Projection Television

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RCA 46" Projection TV 10 years old

Color goes from red to blue. Faces from ok to green and back.

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No shure to what to say,
- I would suspect bad CRT, does it have drive line when it does this, if yes on one tube only then tap it to see if the problem goes in or out
- could be cold solder joint this will also show if you tap the board
- would check the board on the nech of the picture tub to see if there is bad solder.
- I also seen bad screen control, this is the black block in the front of the unit that looks like 3" x 3" about 1" deep and has 6 contron to turn on it and has lot's of wires attached to it at the back.
- Could be high voltage block, very commond proble but don't think it would give colour problem.

I hope this help

What about Bob
Bob
Timmins, Ontario

Posted on Feb 24, 2008

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