[TechAssist] Re: Zenith C3S chassis SJ2775BG SM question
- From: "Ray Lufkin" <Rlufkin@xxxxxxxxxxxxxxx>
- To: <techassist@xxxxxxxxxxxxx>
- Date: Fri, 30 Nov 2001 18:33:57 -0500
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.
----- Original Message -----
From: "Dave Routson" <davestv@xxxxxxxxxxx>
To: <techassist@xxxxxxxxxxxxx>
Sent: Friday, November 30, 2001 2:13 PM
Subject: [TechAssist] Re: Zenith C3S chassis SJ2775BG SM question
>
> HI Ron,
> The schematic says and I quote,
> "This set employs an Auto Kine Bias circuit.
> There is no adjustment to be performed." It does have a service
> menu but that feature is no in it.
> However to get into it you simultaneously press the front panel
> menu, volume down, and channel down
> buttons. It doesn't say how to exit but
> probably just power off will do it.
> It only shows six adjustments to
> be made in the service menu --
> Factory mode
> Environment
> Brightness
> Maximum Volume
> Vertical Sync
> AC Power
> Hope this helps some.
> Dave Routson
> ----- Original Message -----
> From: "Ron Miller" <rlmbkm@xxxxxxxx>
> To: <techassist@xxxxxxxxxxxxx>
> Sent: Friday, November 30, 2001 10:56 AM
> Subject: [TechAssist] Zenith C3S chassis SJ2775BG SM question
>
>
> >
> > Need to adj. gray scale,no pots on crt pcb don't see a AKB ic.Using the
> code
> > of holding menu till disappears hitting 9876 then enter did not take me
to
> > service menu.How do I adj. this one?
> > Ron Miller
> > D.T.V. Texas
> >
> >
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