Pinouts for the V257 sound amp pcb can be seen on page 91 of the Ridge Racer V manual here: http://arcarc.xmission.com/PDF_Arcade_Manuals_and_Schematics/Ridge%20Racer%205.pdf
Share a repair story huh? Well there have been SO many over the past 3 decades.
One of the most sought after games back in the 1990's was ZEKTOR by Sega. No one had this game. One day I was going through
a stack of old game pcbs and came across an almost full set of Zektor G-80 cards. This was...
Things are progressing nicely.....here are more pics. Game is up and working. Just waiting on finishing up the flight joystick. I am making molds of the plastics parts to make duplicates.
I finally found a decent international forum. I have been in the video arcade repair business for 26 years. I run 2 of the largest amusement arcades in the Kansas City Area.
I used to own about 700 games but now I just work on a few in my garage from time to time.