[TechAssist] Re: Zenith C3S chassis SJ2775BG SM question
- From: Jon Garver <jongar@xxxxxxxxxxxxx>
- To: techassist@xxxxxxxxxxxxx
- Date: Mon, 03 Dec 2001 00:20:25 -0500
My own zenith has a weak tube. Red is predominant. Since there aren't
any adjustments, I experimented with changing the biasing of the red
drive. I don't remember which resistor I replaced off hand but I replaced
it with a variable one and was able to back off the red enough that the picture
looks pretty decent.
Jon Garver
Ron Miller wrote:
> Tried that ,gray scale is on the green side mot much but I notice it.
> Ron Miller
> D.T.V. Texas
>
> ----- Original Message -----
> From: "Ray Lufkin" <Rlufkin@xxxxxxxxxxxxxxx>
> To: <techassist@xxxxxxxxxxxxx>
> Sent: Friday, November 30, 2001 5:33 PM
> Subject: [TechAssist] Re: Zenith C3S chassis SJ2775BG SM question
>
> >
> > I may be off base here but can you adjust akb by turning the g2 pot on the
> > fly all the way off and bringing the g2 pot up very very slowly. Put up
> > bars, brightness at 50% contrast at 75% color at 50% and bring up g2 pot
> > till you just distinguish the 1st and 2nd box on bottom right.
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