(Topic ID: 10391)

Help identifying some power board work.

By mkgort

12 years ago



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  • 5 posts
  • 3 Pinsiders participating
  • Latest reply 12 years ago by mkgort
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#1 12 years ago

After removing a power driver board from TSPP I noticed someone else was here before me. Does anyone know what was being accomplished here? I think is it transistor Q15 and Q16.

TSPP_Power_Board.jpgTSPP_Power_Board.jpg

#2 12 years ago

How'd you end up with this guy's game?

http://rgparchive-removed.com/rgpforum/showthread.php?p=1317236

Explanation of your hack/mod.....

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#3 12 years ago

Maybe they are all like that? Or he did just get that guy's game!

#4 12 years ago

I checked Stern's service tech's and there was no mention of this modification....Seem's odd that the exact same repair would be done on two machines.

#5 12 years ago

Ha! Same machine

I am doing a temporary swap with Ray. I did not know when I posted this that he had asked the same question. So I guess it's just an ugly fix to bring both transistors to ground with some added diode protection.

Thanks!

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