Star Hawk troubleshooting

vernimark

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Joined
Sep 4, 2003
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Location
Novate, Milano, Italy
I started from this condition:



www.vernimark.com/temp/starhawk01.jpg



First of all I replaced original ROMS with a couple of 2716



www.vernimark.com/temp/starhawk02.jpg



a couple of wires are enough to adapt 2716 pinout to 9316's



then, following the block diagram, I began to test the "line len." Block and I could immediately see that one of 74193 had been replaced in the past. Removing it I found some broken circuit tracks, so with an easy fix now I can see this:



www.vernimark.com/temp/starhawk03.jpg



Everything now works. I'll post cabinet pictures once restoration is finished (just a couple of wires to the coin door and a small part of t-moulding to replace)

thank you,

vernimark
 
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