Daytona USA drive board issues

mecha

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I have a Daytona USA twin, and I've told many stories about it the last 3 years on here. :) I had to throw a new steering pot in it among other overhauls, but the one thing where I'm stuck is when you look at the drive board, the number indicator changes when you turn the steering wheel, however when you go into Drive Board Test, it's stuck on A3 and does not move at all.

this most likely explains why the force feedback doesn't work at all. when you compare the two machines as well, the problem one has a variety of dipswitches that show ON, while the other machine that works perfectly fine has them all OFF. I was always under the impression the drive board had the dipswitches, but it doesn't. the other board that's offset from the board stack in the cage however, has 3 banks of them, but they're all set to off...?

I'm leaning towards the board inside the cage being the one that talks to the drive board. I reseated all the connections already, both inside and out.

I'm assuming the drive board pot is fine since it changes on the drive board, and that it's probably something to do with the connection between the drive board and the one inside the cage.

any insight on what I should check for, and what I need to do about those dipswitches?
 
iirc, there are 2 pot connected to drive board (i can be wrong). i don't quite know why, but only one of them will affect the reading in drive board display. the other one shouldn't.
 
That´s right, there are 2 pots in the assy attached to steering, one for main pcb and the other for motor and clutch action. This one is connected to drive board, the one inside the cage with a 2 digit led display. When you power on the machine, this board start an initializing test that power on the motor and activate the clutch gradually to both directions, left first and right after that, while the mecha is moving, the pot transfer the value to drive bd, showing it in the 2 digit 7 seg display. If everyting is ok, it should complete the self test after going left and right, stopping the motor. If this test falis, an error code will be showed in display. So check what happens in this procedure as this is the first thing to figure out where would the fail come from. 90% is pot, 10 % would be drive board or communication wires between this and main pcb. If you have the other part of the twin machine, you can try swapping parts between them. Hope this would help and sorry if my english is not good.
 
yeah, I'm getting fluid motion readings on the 2 digit display on the drive board, so I don't suspect any foul play with the pot itself. I guess the next step is checking continuity between the wires.

I was digging through some old threads about the dipswitches, the Daytona manual actually says to refer to like sec. 8-16, but no such thing exists in the manual! then someone else said the Virtua Racing one has a full description of what all the dips do. my problem is I can't find where to adjust them at lol. unless I did, and all the dipswitches in the bank are bad...

I suppose I could just switch the boards inside the cages between the machines and see if the settings carry over. or if even the drive boards function right again.
 
I found a manual that has the dip settings of drive bd, 1 to 3 refers to the handle´s weight form ¨light to heavy¨, number 4 enable power on check when off, setinng to on will disable self test, And 5 to 8 just says ¨set to off¨. Thought I think you have a problem in drive bd or linking wires that don´t let main bd show dip settings correctly. I would switch all the cage first with the working one, as a way to start from the easyest part, then follow testing every pcb in drive bd -depending on results- until having the problem solved.
 
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