Overvoltage Repair and Prevention on an Amstrad CPC 6128

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In today's Quick Fix, I look into an Amstrad CPC 6128 which was shocked by connecting a 12V power supply to the 5V connector. We were lucky and it was mostly RAM chips that failed! Then I make a quick mod to prevent that kind of overvoltage from ever happening again.

The diode used is a P6KE 6.8A https://www.mouser.com/datasheet/2/34...

Chapters:
00:00 Intro
00:31 Diagnostic and repair
05:21 Why did this happen?
06:06 Overvoltage prevention


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