APB steering woes

Mizzou

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Has anyone had any issues with their steering? I cant get the optics to work correctly with the wheel. I can toggle through the high score with the wheel, but when I go into self test mode I can't toggle through the options and steering in the game doesnt work. It's almost like the optic is only picking up part of the movement (if that makes any sense). The even more odd thing is I had a spare contol panel with another atari optic board on it ... swaped the optics out and same issue..I'm having a hard time believeing that both optics have the exact same issue and am starting to think it may be a board issue, but have no way to test the theory....anyone have any ideas?
 
Could be a bad "LETA" chip. It controls the inputs from the steering optos.


Brian
 
Anyone else have any possible theories?

I'm willing to explore the chip idea..just dont know what to do to fix it...I'm having a hard time even locating the darn thing on the board..
 
just had a very similar issue

could be a pin inside the connector is weak
try spinning the wheel and gently push/pull the connector
see if the option menu selection changes

could be cold solder joint on the header pin which would give you both boards not working
could be weak connector pin which would give you both boards not working

my solution was the new opto board
think it was 12.99 + shipping

a lot cheaper than R&R a Leta chip maybe
but im not sure how much Leta chips are + shipping
 
Could be a bad "LETA" chip. It controls the inputs from the steering optos.


Brian

Yep...FINALLY got around to getting those swapped out (and by that I mean buffet did it for me lol). Works like a charm. Thanks for the tip!
 
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