(Topic ID: 221396)

Pinbot Fuse F2 blows after 3 seconds but not when J11 is disconnected


By Bumper

1 year ago



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  • 4 posts
  • 2 Pinsiders participating
  • Latest reply 1 year ago by wayout440
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#1 1 year ago

My Pinbot worked fine, but now when I switch it on fuse F2 (4A SB) on power supply blows after 3 seconds, it does not blow when I disconnect J11 from the CPU board. When J11 is disconnected the visor test works but it does not kick out ball and the ramp stays raised up.
I tested across all coils connecting to J11 and they all measure above 4 ohm.

What is the next step I should take to figure out the cause?

#3 1 year ago

Thank you sooo much!

It was Q33, I checked all coils under the play field but forgot checking the knocker in the back box.
I replaced the TIP102 transistor and the AE-23-800-02 coil by a SG-23 850-DC coil that I had laying around.

Everything is working now!

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