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About this blog

This is just a blog for me to store my repair logs. I think it would be useful to others here if I post them as I am doing more arcade and pinball repairs.

Entries in this blog

Arcade Repair

Nintendo (Gremlin) Space Firebird - Sprite Issues

On my bench (technically the trashcan next to my Helifire table) was Nintendo Space Firebird. This one was specifically the Gremlin license but they are the same game for the most part. The problem with this one is that some sprites are garbled or missing. This ended up being one of the quickest repairs I have done. It probably took longer to hook up the board. The problem chip ended up being the second chip I did a spot check on: the 74ls00 at 3D. Probing the chip, I noti
Arcade Repair

Nintendo Donkey Kong - Dead zone for moving objects

I had a goofball one last night. I accidentally found the issue with a donkey kong board on my bench. I was poking around the moving objects circuit because I had a "dead zone" where moving objects would disappear. So while poking around I set my hand on the board near the 74LS161 at 5L. I just so happened to touch the via of the output of 5P which unknown to me at the time was floating. My hand had effected the signal just enough to register as a "valid" signal. After replacing th
SNESNESCUBE64

SNESNESCUBE64 in Arcade Repair

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