Vertical deflection and/or convergence output circuits. Check the + & -
> supplies going to the convergence output devices
> "franwagner" snipped-for-privacy@news.homeimprovementbanter.com wrote in
> message news: snipped-for-privacy@news.homeimprovementbanter.com...-
>
> This rear projection set is about two years old. Picture suddenly
> shifted up so that only bottom two/thirds show with upper one/third
> missing. Bottom third of screen is black. The part I can see has
> good
> color and convergence only at center of screen, the rest is
> progressively worse as you approach the edges. I have repair manual
> with schematics. The three gun assembly is not loose nor shifted.
> Mirror is OK also, therefore it is an electronic problem. Any help is
> appreciated.
> Thanks,
>
>
> --
> franwagner-