I removed my ramp to give a little info to freeplay40 to help with measurements for new ramps, I put it back together and forgot to plug in the connectors under the pf, a few weeks later I turn it on to play a game, I notice there's issues. I open er up, see the connectors and plug them back in. Now... My drop targets won't reset properly, they reset very randomly about 5 games in, and reset only once in the game. The coils test good individually when in coil test.
I pulled the assembly and put new targets in, cleaned everything reflowed solder on the connector pins and the optos. and put it back together. I made sure there was continuity between the connector wires, still having the same issues.

Any help? Any ideas?

Thank you!

oh, cool!, I'll do that and report back, probably need to refurb the power supply anyhow. Thank you!

Reflowed the pins on the power supply, everything works wonderfully now, thank you pinballholder!

I guess that's the way it is with 30 year old games, thank God we have a community that can help each other , maybe you'll have a problem I'll have the answer to in the future

I feel You on the diagnosing a problem like its unique and no one else has ever seen it

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