[TechAssist] Re: RCA PROJO's and others, screen discoloration
- From: becyn <becyn@xxxxxxxxxx>
- To: techassist@xxxxxxxxxxxxx
- Date: Mon, 06 Dec 2004 11:33:22 -0500
Sounds like internal dirt on thecrt lenses projection screen, or mirror
There was an ocassion when the mirror had a hairline crack which caused
some lines to fade out-very strange, but I think that was a hitachi.
Jim McVey
McVey Alltronix
327 Broadway
Newburgh N.Y. 12550
Factory authorized
service for over 20
major brands.
845 561 8383
Kevin wrote:
>I have noticed this before on projection TV's and was wondering what
>caused it: When doing the grayscale, I notice someitmes that part of
>the screen is pinkish and part is greenish. On one PTK169 RCA last
>night, for example, when using the built in crosshatch pattern and the
>color magenta color for the convergence, the left part of the screen was
>redder than the right side which looked more like magenta. There was a
>marked difference, only with the magenta color, not any of the other
>colors. Does this mean one of the guns is weaker than the others?
>
>Kevin Wilks
>Kevin's TV & Video Repair
>Penticton BC Canada
>kevintv@xxxxxxx
>
>
>
>
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