Super Pac-Man PCB Repair - Background / Tile Map
Автор: Jacklick’s Arcade and Tech Repair Journey
Загружено: 2021-11-24
Просмотров: 539
Описание:
Fix 2 boards in this video. Board #1 had a video / tile map issue and small issue with sound pot. Board #2 was missing sound CPU and had a bad sound rom.
00:00 Intro/Box of Super Pac-Mans
01:22 PCB#1 Symptom
03:50 Verify with spare video board
04:40 Try some easy swaps
06:20 Work backwards with Logic Probe
10:38 74ls298 bad at 4L
12:05 Sound pot issues
16:10 PCB#2 Bad Rom
19:10 Wrap-up
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