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RCA CTDC185A3 bad focus around the edges of the screen.
I've been working on an RCA CTC 185A3 TV that was thrown away because of a broken coax input. I noticed that the corners of the screen wern't as sharp as the middle of the screen. Initally I thought it was just bad convergence, but upon getting a test pattern up on the screen, it seems the actual focus is bad around the edges of the screen.
The middle of the screen is nice and sharp. Adjusting the focus control on the flyback helps the middle of the screen, but not the edges.
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11-26-2008, 12:56 PM
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