9/25/2023 0 Comments Ultimate mortal kombat 3 arcade![]() Removed it and the short was gone on the board. U97 tested good, but U91 though.pin 4 had a 6 ohm short to ground. Reinstalled the caps (disregard the bad solder on them - I hastily reinstalled them for the time being to proceed on), and began testing for a 6 ohm short to ground on U97 and U91. ![]() Removed the caps and the short was still present. ![]() Reading across the filter caps showed a 6 ohm short to ground. Looking at the schematic, the Blue comes in from the edge connector and goes through two filter caps (C266 and C267), an inductor (L79), and through to U91 and U97.
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