The NEW Build Your Own Arcade Controls
Arcade Collecting => Miscellaneous Arcade Talk => Topic started by: g1275 on July 18, 2006, 12:22:11 am
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I just recently bought an NBA JAM cabinet and I'm having a bit of a wiring dilemma. I had to change the power supply and I wired it how it was before. The monitor comes on but the board doesn't power up. I think I have found the culprit but I just wanted a second opinion.
As you can see in picture #1 that the -5va1 is disconnected to the board.
(http://g1275@216.197.115.30/Picture 012.jpg)
As you can see in picture #2 that -5va1 is connected to the power supply.
(http://g1275@216.197.115.30/Picture 013.jpg)
As you can see in picture #3 -5va1 is not connected to the board
(http://g1275@216.197.115.30/Picture 014.jpg)
Do I have to get a new Jamma harness or can I somehow finagle the -5va1 into the Jamma harness without the metal receptors?
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Can't see the pics....
But NBA JAM doesn't use -5v.
A and 1 ( A1 is two pins) are grounds.
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I had to resize those pictures. If anyone wants to see them full size, just right click on them and select 'view image'
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Did you check the +5 from your new power supply? If it's too low or high, that can cause problems.