Tekken Tag -- 1P right kick stuck on?

mecha

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Tekken Tag button inputs stuck 'closed'

just bought a Tekken Tag Tournament board. every is great on it except for the player 1 right kick button, in the switch test it stays lit, and in-game the switch is constantly on.

makes throwing people easier, but it's certainly annoying cause you can't do much else for basic attacks.

it's not my kick harness, cause it works with my Tekken 3 fine.

could one of those little driver chips be bad or is there something else I should look for? I gently scraped a lot of gunk off the edge connector pads, but that didn't help.

I don't anticipate hearing any replies for this one, but figured I'd try.

thanks.

EDIT: thread title, since the problem's not just limited to the kick harness anymore. :)
 
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strange.

I even thought they were the same hardware too. well all the other buttons work, the kick ones. when I got into work today though, one of my co-workers showed me another interesting specimen... now the 1P right sticks also.

the stuck kick was just kind of a minor annoyance... but if the char keeps moving right, that really sucks!

these look like very complicated items to work on, if soldering's involved.

EDIT: the kick harnesses are in fact the same. the numbers for the buttons are just different, because Tag uses the JAMMA button 3 for the "tag" button, hence why 3 and 4 in Tekken 3 become 4 and 5 in Tekken Tag. :)
 
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yeah, the switches are wired up correct, cause I tried Tekken 3 in it and it works fine.

for shits and grins I tried swapping the daughterboards but that doesn't work. :) fortunately I didn't nuke anything. anyone know how those System 12 boards work, like do they have a security feature or do the letter revisions make a difference? my Tekken 3 is Rev. C and Tekken Tag is Rev. D. all the model numbers are the same though, that's the weird part.

this problem isn't just limited to a button on the kick harness anymore though, now I have a problem with a JAMMA input (the 1P Right) staying closed.

that's why I ask could the little 74xxxxx driver chips have gone bad? I played the game for like 2 hours a couple nights ago and there was no right direction sticking, but the right kick was. then the next day the right input started sticking.

it's too bad, I actually like Tekken Tag. lol
 
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