Cricket Scoreboard Repair

Well, it’s game related and has electronics in it. The story shall be told in chronological order to pad it out…

Evening One

Whilst watching my kids running around at the cricket club, I find out the scoreboard is broken – it’s been like that for a few weeks. “Blown fuse” apparently. I volunteer to have a look…

IMG_1990
I don’t understand cricket, but I do know that’s not valid score-y stuff

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PCB Repair: Rolling Thunder (again)

John here again with another Rolling Thunder but a different problem .

Problem

Sprites flicker and disappear in a ‘noisy’ manner. They don’t disappear in a ‘block’ manner, rather random pixels flicker as if the sprites are being blown away. Once warmed up, this seems to lessen, although one that sticks around the longest is a priority issue:

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