Isolation Transformers Prone to Fail?

time4akshun

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So I'm coming up with a theory. It looks like I am on my 3rd game to fall victim to Isolation Transformer failure. First Space Ace, then Donkey Kong, and Now My Centipede Mini. 2/3 of went down right after a 9 hour arcade party.

Usual suspect problem for dead monitors?

Time
 
I thought ISOs were the least likely thing to fail. It's usually in your power supply or monitor chassis. I could be wrong, but I haven't read a lot of threads here where the transformers were the culprit.
 
transformers are built pretty well and don't usually fail, so I would suspect another problem.
 
Of the hundreds of games I have worked on, I've only seen two have bad isolation transformers. One burned up very obviously the night before i was to pick it up. The other was just pumping out slightly too much voltage (130 instead of 120) despite being set for 120 in/120 out.

I agree that it's more likely you just had monitor failures. Either that, or what you think is an isolation transformer - isn't...
 
BITD I worked for a huge route company (over 1200 games) I touched hundreds of the games directly as a tech. I can't ever remember seeing an ISO xfrmr fail.
 
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