On video you will notice that when start is pressed, there is no startup sound before ball is kicked to shooter lane. Also at ball drain the sound of the bonus countdown is way wrong. Otherwise the playfiled works fine. It is not the sound board either as a known good one I borrowed does the same thing.
It sounds like one of the sound solenoid triggers is not working correctly. Remember that the sound triggers comes from the driver board and activates the sound board sound one pulse at a time.
As a quick test I recommend taking an alligator clip and put one end on the ground strap in the back box and momentarily touch the metal part of the transistors #9 to #13 and listen if all are making a sound when touched. If one dosent trigger a sound, either the transistor itself (TIP102 / TIP 122) or the connection from the driver board to the sound board for said transistor is broken.
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/help-with-williams-flash-sound-issue-video 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.
Rochester, NY
Brønshøj