Hmmm $130 vs learning how to solder
Sure it might take a while to work through it but at the end of it you will have the confidence to tackle more difficult jobs.
Fixing Pinballs is 10% know how, 90% stubborn

Plenty of info from this forum or the guides to get you fixing anything.

Give a man a fish - feed him for a day
Teach a man to fish - feed him for a lifetime