RCA 52 inch projection sound with no picture


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RCA 52 inch projection sound with no picture

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zigzag
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Feb 8, 2007, 5:11 PM

Post #1 of 2 (451 views)
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RCA 52 inch projection sound with no picture	Can't Post

I have an RCA model p52937sg chassis number ptk195m26b convergence was messed up dark banding on top and bottom causing a sideways hourglass shape. Opened it up blew out the dust cleaned around the guns because I was told that was the problem. seemed a little better but the problem still existed then the picture went black twice during Super Bowl then three times after that during a movie. Picture has not came back since. I have sound but no picture, please help if you might know what may be causing the problem.

TV guy 1966
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Feb 12, 2007, 2:22 AM

Post #2 of 2 (432 views)
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Re: [zigzag] RCA 52 inch projection sound with no picture [In reply to]	Can't Post

I bet you got a fluid leak from one of the crt assemblies on to the convergance board and maybe the power sweep board. RCA has a problem with over filling the tubes. Remove the front speaker grill and the access panel and look down in front of the heat sink that you see infront of you on the convergance board. Use a flash light and look real good and look for fluid or a shiny wettness on the board. Look at the wires and look for fluid. Also look at the diaphams on the crt assy. If they looked bulged out and yes good chance you have a fluid issue.

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