On Mon, 27 Sep 1999 Thomas43@aol.com wrote:
> Yeah, All the vectors are on full bright. There is no RGB data getting to
> the monitor, because those wires are not connected at all, anywhere.
>
> I looked over a regular Amplifone board, and noticed that the RGB inputs from
> the logic board, are connected to the three drive transistors (one for each
> color). Each input is connected to it's transistor at the center pin. But,
> on the 13 inch amplifone, the transistors have been moved to the neck board.
> It seems that the center pins of all three drive transistors are tied
> together and are all receiving the same signal.
Hmmmm, interesting....
> I guess the next step would be to cut some traces and route the signal in the
> same manner as the regular Amplifone board. I would sure like to know why
> Atari decided to alter the monitor design, to eliminate the RGB inputs. Why
> would they want you to have a B&W monitor with the brightness too high? It
> looks like a factory mod, since I have to of the monitor boards for the 12
> inch and they both have been modifed in the same way.
I have seen 13" PAT9000 monitors working fine, so this is
definitely wierd. You've got me interested enough to fool around with
this stuff tonight...
Joe
Received on Mon Sep 27 10:51:29 1999
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