(Topic ID: 146735)

In need of board repair?

By Bubbatom

5 years ago

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  • 2 posts
  • 2 Pinsiders participating
  • Latest reply 5 years ago by ChrisHibler
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#1 5 years ago

Howdy guys,
So after tearing down the glove mechanism and cleaning the gearboxes on my Johnny Mnemonic, I got maybe three games in before the glove stopped working / moving completely. I was stumped for a while, but after following some leads I came to the circuit board below the playfield that the two glove motors connect to. After taking the board out I noticed burn marks around the "D1" diode holes. In attempting to remove the diode I think I may have worsened the burn, either way I am wondering whether board repair is the next step? If anyone knows the possible cause for this, that'd be appreciated too.

Cheers for the help

#2 5 years ago

Well...yes...board repair is in order.
It's a pretty simple board. A few diodes and two TIP-102s, all of which can be tested with a DMM.
The board isn't too buggered up right now. I think you might be able to handle it. Or, find a local friend.

I don't have a picture of that board in the PinWiki. I'd love it if you could post a good, in focus pic taken under bright light.

Good Luck.
Chris Hibler - CARGPB #31
http://www.PinWiki.com - The Place to go for Pinball Repair Info

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