Worl Class Bowling trackball HELP!

rcproam

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I just bought a WCB pcb on ebay and cannot get the trackball to work at all.My GT games are all fine and the rest of the WCB seem ok.Please help!
 

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I looked at the board again and it looks like I'm missing 3 ROMS on the left side.On the picture the guy had on ebay there was 3 there now there not.If thats the problem I'm pissed.
 
Bump!If someone helps me fix this I will give a nice gift for free.I'm just impatient and frustrated with it.

Here's what you get a brand new light fixture with extra starters works great in alot different cabs.FREE!
 

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So, what, there were three ROM chips on the board in the picture on the eBay listing, but those ROMs are missing now? Seems odd that the board would boot at all with some of it's ROM chips missing. Something tells me this is just a slightly different revision that doesn't use those - the game's self test should check all the ROM chips on powerup.

According to the manual for World Class Bowling, the trackball connects to the board through a seperate connector, not through the Jamma connector like some other games do. Is this how you have it connected?

Are you getting power to your trackball? Is the ground attached properly?

-Ian
 
Just check the crazykong picture of the pcb, it looks like only two of the rows have roms, the others are empty.

Now I will take a stab at this, I bet I know the reason why this isnt working. If you had the game plugged into the jamma harness, and then powered the board, and THEN put on the TB harness, then you have fried one of the surface mount fuses. If you look at them, they are near the TB harness header. Youll see a set of a few of them, but if one is cooked, the TB wont work.

Look for visibly cooked surface mount fuses. They are so wimpy, doesnt take much to fry them. Now, all you have to do is desolder them, remove them, then just bridge the gap where the fuse was with solder, and it will work again.
 
Just check the crazykong picture of the pcb, it looks like only two of the rows have roms, the others are empty.

Now I will take a stab at this, I bet I know the reason why this isnt working. If you had the game plugged into the jamma harness, and then powered the board, and THEN put on the TB harness, then you have fried one of the surface mount fuses. If you look at them, they are near the TB harness header. Youll see a set of a few of them, but if one is cooked, the TB wont work.

Look for visibly cooked surface mount fuses. They are so wimpy, doesnt take much to fry them. Now, all you have to do is desolder them, remove them, then just bridge the gap where the fuse was with solder, and it will work again.


I just looked at it and I think you are correct. One of the surface mount fuses is not connected if I'm looking at it correctly.I couldn't get a good pic my camerea sucks.I will jump it and see if it works.I'll let ya know.Thanks Brotherhay you helped me the last time I had issues.
 
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