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
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Received on Wed Feb 7 23:35:39 2001