The Miniware LCR tweezer is a great replacement of the old Radio Shack probescope.
I thought I saw a video of this thing having a scope function, but I may be wrong.
Anyway has a lot of great functions for pinball pcb repair
EEVBlog is full of great videos about 'scopes:
https://www.youtube.com/c/EevblogDave/search?query=scope