My neighbor just grabbed a DH and I think the 16 opto board is flaky on it. The trough will lose count during multiball and not give balls or end balls sometimes. What's the common failure point on that board? I remember seeing a rebuild guide somewhere (upgrading certain resistors?) but I can't find it.

I'll check that out today. I do have trough shims coming too which might help.

My balls were magnetized but I'm still having problems. Didn't have time to clean and put my trough shim in so hopefully that's it.

I'm seeing double! FOUR Dirty Harrys!

The flashing GI in parts of this game is pretty strong. Is there a setting where I can turn it off or is something wrong with my game ?
It flashes like a DE game waiting for Tri- Ball.