Re: Sega G80 problems

-----Original Message-----
From: Noel Johnson <nej@airmail.net>
To: vectorlist@synthcom.com
Date: Wed, 07 Feb 2001 22:19:26 -0600
Subject: VECTOR: Sega G80 problems

> Hello,
>
> While attempting to shotgun repair and test two sets of XY timing and
> control boards (one from Star Trek and one from Space Fury), I ended up
> having the same problem on both. I replaced the AD561's, TL082's, and
> the eight 2114 rams in each set. Then each set was tested in my Tac
> Scan. Both produced a beautiful, but upside down and very small (about
> 3" square), picture on the screen. Before the repair, I believe they
> produced a picture of correct size and orientation (but somewhat
> garbled). Any ideas?
>
> Help appreciated!
>
> Noel
IT'S NOT THE RAM :)

Actually i think clay posted recently about differences in DA converters and stuff,
maybe you should check the original ic's to see what letters are printed after the part-number, and compare with the replacements.

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Received on Thu Feb 8 00:16:46 2001