Re: Star Wars Scaling Question

From: peter jones <highwayman2000_at_mail.ru>
Date: Mon Jan 08 2001 - 04:24:54 EST

-----Original Message-----
From: Paul Sommers <rgvac_aust@dingoblue.net.au>
To: vectorlist@synthcom.com
Date: Sun, 07 Jan 2001 23:03:31 +1100
Subject: VECTOR: Star Wars Scaling Question

> Gang,
>
> I'm full of questions tonight... sorry!
>
> Onto the second boardset - there is a problem with the AVG. Test pattern is
> everywhere. When it perfoms the Linear Scale Test - the box gets to a certain
> point and then comes apart and goes all wonky. When it performs the Binary and
> Linear Scale Test the box is okay (the corners aren't perfect when it gets
> smaller, but closer enough). Text is okay and I can line up the boxes in the
> offset test screen.
>
> Looking at the schematics I find a circuit called Vector Scaling which is all
> digital components so I assume this is the Binary scaling. I've tested those
> components are the look fine to the logic probe.
>
> Where is the Linear Scaling performed that seems to be the problem?
>
> Gosh! These are much harder to troubleshoot than raster boards!!!
>
> Thanks in advance.
> Paul

You must be joking!
how many raster pcb's have decent schematics available for them!
I have around 25 faulty raser pcb's in my collection,
i have-not fixed them yet because the schematics are either non-existent or un-readable.

ATARI MADE THE BEST MANUALS/SCHEMATICS I HAVE EVER SEEN!!!

c u

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Received on Mon Jan 8 04:42:45 2001

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