Road Show
Williams, 1994You're currently viewing posts by Pinsider cosmokramer.
Click here to go back to viewing the entire thread.
Use your DMM and test for continuity from suspect transistor tab to ground...if you get a beep then the transistor is bad. That transistor and it corresponding pre driver should be replaced.
Some people will replace the coil and diode as well...
Quoted from zaza:The tab of Q64 -a TIP36c- is already conected to GND so it will beep anyway.
To test this transistor for a short, unplug J130 and measure continuity from GND to J130-6 / J131-1
Good to know, thanks...I tested tip 102 and 122 the other way with success...just when I think I know enough to help someone else I stick my foot in my mouth...
Sorry OP
You're currently viewing posts by Pinsider cosmokramer.
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/road-show-diverter-coil-locked-on?tu=cosmokramer 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.
Bakersfield, CA