Pole position II missing motor sounds

Galaga_pjp

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Jun 24, 2023
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Haledon, New Jersey
Everything on the board is functioning except for the motor sounds. The screeching is there, the crash is there, the motor sounds of the car passing by is there. What could be going on? Bad 7497s??? Or would it be an eprom issue?

Bear with me, I'm still new to pcb repair.
 
Look here

And here


Also from the owners manual
Screenshot_20250526_200711_Adobe Acrobat.jpg


Good luck
D
 
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