My MSX AX-200 worked, BUT ..

بواسطة Shinobi

Master (198)

صورة Shinobi

18-07-2020, 02:47

After fixing a short in RAM cart connection and after knowing that (Clock Out) from MSX Engine S3527 is not always working, my MSX AX-200 worked
When connecting the keyboard, some keys won't work, I see, I can open the keyboard and clean it from inside.
From the video, what you see is the problem???

For the (clock in) of MSX Engine, it's 3.5MHz, but sometime the (Clock Out) of MSX Engine is not being 3.5MHz, in that case it didn't work, it works only if I shorted Clock in to Clock out and it continue working.
The key sounds didn't work until I cleaned lightly the pins of MSX Engine.
Any Suggestions after you see the video
The video:
https://www.youtube.com/watch?v=c4HkD_TieFM

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