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Author Topic: Think I fried my jamma board  (Read 1112 times)

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swamprat96

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Think I fried my jamma board
« on: March 06, 2009, 08:00:21 pm »
 :angry:
OK My fault. The jamma plug on this cab has no locating pin in it. I think I inadvertently put +5vdc onto the ground pin or even maybe +12vdc onto the -5vdc!

No burning or bang but no boot now either- and it did before

Any obvious thing to check? Its a lethal enforcer konami jamma board. I'm going to do a conversion anyway but I still feel pretty stupid
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Turnarcades

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Re: Think I fried my jamma board
« Reply #1 on: March 06, 2009, 08:23:45 pm »
You may have permanently fried it either by burning and cracking some small tracks or toasting one or more of the rom chips.
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Kevin Mullins

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Re: Think I fried my jamma board
« Reply #2 on: March 06, 2009, 09:03:58 pm »
Yup, done that before....

After doing that one time I always remember now that the power side of the harness always goes to the short section of the JAMMA edge connection on the board.
I don't even bother looking for a label or key anymore, I just want to know where the power side is.

What game was it ?
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Not a technician . . . . just a DIY'er.

swamprat96

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Re: Think I fried my jamma board
« Reply #3 on: March 06, 2009, 09:06:21 pm »
lethal enforcers - not great but it worked before I touched it :cry:
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