Re: Significantly drop G2/brightness (4600 raster hack)?

----- Original Message -----
From: "Rodger Boots" <rlboots@cedar-rapids.net>
To: <vectorlist@synthcom.com>
Sent: Thursday, November 07, 2002 12:55 AM
Subject: Re: VECTOR: Significantly drop G2/brightness (4600 raster hack)?

> Gregg Woodcock wrote:
>
> >The first raster hack I did was NO PROBLEMO! But these last 2 have the
> >unusual problem that the brightness is WAY, WAY too high. It is not the
> >case of a bad brightness pot because I can see a definite change when it
is
> >used. It is just that the range is way too high. I tried adding in
almost
> >1MOhm in series with the G2 connection to the picture tube and it was
still
> >dazzlingly bright. Is there a good way to drop the G2 somewhere before
it
> >gets ramped up (i.e. low voltage and low resistor)? John, is there
> >something I may have forgotten that I did the first time that I'm not
doing
> >on these last 2?
> >
> >
> >
> Instead of putting the 1 megohm in series with the G2 line try
> connecting it from the G2 line to ground.

I don't get it. I figured G2 was voltage dependent. You are telling me it
is current dependent and that I should bleed off current through a parallel
connection to ground? That doesn't seem to make sense to me! Would either
you or John please explain this before I put it into action?

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Received on Tue Nov 12 23:27:29 2002