Theatre of Magic
Bally, 1995You're currently viewing posts by Pinsider The_Pump_House.
Click here to go back to viewing the entire thread.
I am troubleshooting my ToM as it is having periodic issues with the devices connected to J-126 on the power driver board. When the issue happans, trunk rotation, vanish kick out solenoid, return lane flasher and trap door flasher cease to function.
Since this is happening across all devices on the connector I'm guessing it has to be a signaling issue. I've reseated all the relevant connectors but can't find a schematic in the manual for the path to J126.
Finally got around to dealing with this intermittent problem. Once I pulled the driver board and got it over to my bench I believe the cause of the issue is readily apparent. I will reinstall the board later today and have to play test the game for some time to know if it's actually fixed (since the problem is intermittent).
My amateur diagnosis. Prior shitty board work.
IMG_0324 (resized).jpgIMG_0325 (resized).jpgIMG_0326 (resized).jpgYou're currently viewing posts by Pinsider The_Pump_House.
Click here to go back to viewing the entire thread.
Wanna join the discussion? Please sign in to reply to this topic.
Great to see you're enjoying Pinside! Did you know Pinside is able to run without any 3rd-party banners or ads, thanks to the support from our visitors? Please consider a donation to Pinside and get anext to your username to show for it! Or better yet, subscribe to Pinside+!
This page was printed from https://pinside.com/pinball/forum/topic/theatre-of-magic-j126-issue-trunk-rotation-vanish-kick-out?tu=The_Pump_House and we tried optimising it for printing. Some page elements may have been deliberately hidden.
Scan the QR code on the left to jump to the URL this document was printed from.
Wood River, IL