Interesting problem on my LAH. When I got the game, the switch on the main ramp had been moved leftwards (closer to the ramp entry, see image). I moved it back to its original location. However, I realised why the original owner made this modification. The ball moves so fast up the ramp that, after it hits the switch, the diverter sometimes doesn't have enough time to open, and the balls gets sent to the left inlane instead of the right inlane. Anyone have any tips on how to prevent this? Either slow down the ball or speed up the diverter, I guess? Not sure how I would do either. Anyone else had the switch moved on their game? Thanks for any guidance!

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It's a 0.1uf, 500V ceramic capacitor.

I restored a LAH last year and realised that I never posted the link here. I came across a few interesting problems specific to LAH which may help some of you guys. You can read the post here: https://www.afpinball.com/restorations/last-action-hero

Is the NVRAM definitely in the correct way? Have you tried reseating the game ROM?

These lamps are all in column 8. I had the same problem and discussed it here: https://www.afpinball.com/restorations/last-action-hero. Scroll down to "Lamp column not working".

Never use contact cleaner spray as it is only a temporary solution and will cause more problems in the future. You should replace CN6 and potentially replace the header pins, too.