(Topic ID: 79267)

CFTBL- Fans and members welcome!!!

By vilant

8 years ago

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#2922 2 years ago

Need some help troubleshooting CFTBL left flipper-

I'm stumped and could use some guidance. My left flipper hold has been acting weird for a while: won't hold, intermittent hold. Orange/blue wire to coil was loose, soldered it back on. Hold was still intermittent, but worked most of the time. Last night it stopped holding at all. Broke out the multimeter and there is no voltage to the lug on the left (in first photo) - the orange/blue wire. Other two lugs (and entire right flipper) has 73V. There is continuity on all wires back to Fliptronic board - but no diodes on the left flipper coil! The right side has diodes, the service manual diagram says there should be diodes on bot, but there are no diodes on left coil (see pics). What gives?

And what should I troubleshoot next to figure out why there is no hold on this side? The optos have been cleaned and appear to work fine. EOS switches are working fine. Fuses on Fliptronic are good. From left to right looking at the back of the left flipper coil, lug 1 (furthest left) =orange/blue for holding, lug 2 (middle) =Blue/grey for regular flipper power, lug 3 (left, towards right flipper coil) = grey/yellow (power from Fliptronic board?).

Suggestions on what to do next?

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4 weeks later
#3003 2 years ago
Quoted from BigMo:

Just built, by taking two different LED lamps, breaking them down and rebuilding into one lamp that fits the reflector (I still need to polish it up), the brightest green led lamp. Tested on a bench power supply so far. Not sure how well it work in situ but will let you know.
It’s one way to keep sane during the lockdown
[quoted image][quoted image][quoted image][quoted image]

Wow Mo!! That's a lot of green. Can't wait to hear how it works in the machine.

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