Pole Position Steering Problem

tatom

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My Pole Position only goes right. If you start in a straight line and turn the wheel left the car goes right and if you turn it right it goes right also. Does this sound like a steering board problem or a problem with the main board?
 
Troubleshooting Approach

My Pole Position only goes right. If you start in a straight line and turn the wheel left the car goes right and if you turn it right it goes right also. Does this sound like a steering board problem or a problem with the main board?

Is it the PCB that you've got from me?

See attachment for a troubleshooting approach.
1. OPTO Cleaning on Steering PCB
2. Connections on/between Steering PCB and CPU PCB - Resolder/check
3. IC 8L on CPU PCB - Outputs pin 6 and pin 4 shall switch between 0V(max0,5) and 5 volts (min 4V) - Attention: Need to turn Steering wheel veeeery slooooooowly for this to see, eg 10's -100's of an inch. . If that is ok, it is likely the custom.
4. Custom IC 9K on CPU PCB - Can't measure

http://www.andysarcade.de/info_to_web/klov/tatom_pp2.pdf

LMK if you need further help.
 
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