[TechAssist] Re: rca ctc169 chassis , spot in centre of picture when shut off
- From: "Larry E." <videotech@xxxxxxxxxxxx>
- To: techassist@xxxxxxxxxxxxx
- Date: Wed, 13 Nov 2002 09:43:24 -0500
Wilfred, if this is a COLORED spot in the middle of the screen at turn
off it is "afterglow" and is NOT a problem, in fact RCA will tell you
that it`s an indication of a good crt. Larry E
Larry Eastman
American TV & Electronics
Crystal River, Fl. 34428
Wilfred Blakey wrote:
> I have been at this tv before in times past and have not found any clue as to
> what could be the cause. The customer is concerned about phosphor burn. The
> spot is getting larger also. The only clue I have had in the past is the
> transistor Q1906 (I might have the wrong number )which should be the
> luminance buffer. Replacing this one did no improvement at all. There should
> be a spot killer circuit or equivalent on this chassis but I do not know
> where or what parts make it up. Could someone help me with this. TIA.
> Blakey TV
> Kirkland Lake,Ont.,Canada
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--
Larry Eastman
American TV & Electronics
Crystal River, Fl.
http://www.tvjunkyard.com
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