Nintendo Cabinet.. Fried Board.

thefader

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I hooked up my DK3 board inside my nintendo cabinet, exactly like I have before, parts side to parts side. I noticed a spark on the board, and the marquee turned off. So Im wondering what the hell happened, I didnt take the harness out at all, everything hooked up the same. WTF could have happened? The marquee light wont light up now, but when I hold my volt tester upto it, it beeps, so its getting power... Is this something with the power supply? Help.
 
Yep, the fuse was blown.. What caused it thought? And on my board, there is one of the lines that blew on the board. Is this fixable, and what caused it? Thanks Dokert.
 
1. don't know wasn't there when it happened.
2. yes it is fixable. I normally use cap legs and make a nice jumper.
3. whatever blew the fuse is what cause the trace to blow.
 
In the red circle is the trace that fried.. So I just solder 2 cap wires together, and solder it to those 2 points?
 

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Ok, I did the jumper from the two points, it just blew the fuse instantly... *sigh* I dont know if I can even hook another board to it.. I dont wanna blow out another board.. I just dont know what to do now.
 
The marquee seems like the issue.

Unplug it completely and see what happens.
 
I put a new fuse in last night, and the marquee powers up just fine. But somehow when I hooked my board into the Edge Harness, it fried it. Is there a way I can test the voltages of the harness or something? I tried hooking up the two points with a jumper made from a capactior, but when I did this and hooked it up, the fuse blew instantly.

1. What can I do with this board, is there someone who will fix it?
2. How can I figure out what went wrong so another board doesn't fry?


I'll take high res pictures of the inside of the cabinet if it will help you experts figure it out. But like I said everything was hooked up exactly the same up stairs, I took it downstairs, hooked the board back up, and Bzz. IF on the super rare chance I did hook the edge connector up backwards, would it fry the board like in that picture?
 
Do you have a better picture of the damaged section on the board - I can't tell what that is from that tiny little thing.

Did you do anything else between the last time this cabinet worked and now? Usually when people blow up stuff on Nintendo game boards like this, it's in the audio section, because they reversed the plugs on the sound board in their monitor.

-Ian
 
AH... I'll take more pics.. THAT is a possibiltiy, since i just hooked those up, but, that wouldnt cause the PCB to fry if that happened would it. Ill get more pix today.
 
THAT is a possibiltiy, since i just hooked those up, but, that wouldnt cause the PCB to fry if that happened would it.

Yes. It will. If you swap the two plugs on the sound board in the monitor (JC and JB, IIRC - they're labeled on the plugs and on the sound board), you sort of connect the monitor's power supply to the game board's sound output. I've seen people destroy parts on Donkey Kong boards this way, but I'm not familiar with the DK3 board set. With DK, the board usually still works, just without sound.

-Ian
 
Well shit. Atleast I know what I did now, and it was a 100$ mistake. Ill check that right now.
 
This was the problem. I switched the plugs, turned it on, and the game plays fine.. The sound however, doesnt work. Is anyone able to repair this?
 
doing so more than likely cooked your amp board. the good news is, Bob sells a repair kit for it. :)

http://www.therealbobroberts.net/caps.html

"Nintendo Audio Board Repair Kit"

if you got an extra monitor you could pull the amp off that to verify. you're probably lucky you didn't break anything else. not sure how common the "JB" and "JC" wear off those plugs, but it says those clear as day on all my monitors. never plugged them in the wrong spots before.
 
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