(Topic ID: 253042)

Dead System 80 diagnostics, a haunting we will go.


By gdonovan

61 days ago



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  • 67 posts
  • 10 Pinsiders participating
  • Latest reply 31 days ago by gdonovan
  • Topic is favorited by 2 Pinsiders

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#4 61 days ago
Quoted from gdonovan:

So where would you start? My thoughts are a good cleaning of the area, upgrade the reset generator circuit per pinwiki and replace anything obviously corroded?

Yup, use zep as a first pass for cleaning, rinse thoroughly, then desolder the affected parts, sand the affected traces (removing the mask from any affected copper), use zep again to clean off the remaining alkaline, rinse thoroughly, blow dry with an air compressor, then air dry, then repopulate the board, and seal exposed traces with nail polish.

You can't really trust anything on that board diagnostically without addressing the corrosion.

#6 60 days ago

Just go to the PCB diagram and parts list and order what you need. Most suppliers I'm aware of have gotten away from doing kits.

GPE's site is handy since the listings for the kits are still there, so often times, you can use those to help find the individual components.

Quoted from gdonovan:

I sent Great Plains a note, no reply.

Give it more than a day. It's a one man show.

Quoted from gdonovan:

I was actually able to get the board to boot once or twice and coin up a game so there is hope for the board.

Yes, that's a really good sign, and it's a worthwhile board to repair. Corroded boards that give no indication of life generally take a bit more time and effort since there's usually a few more issues than just the corrosion.

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