Spaghetti Anyone?

So the CS70M has one dead voice, inside the case it’s a mass of wires. Luckily they had the foresight to add LED’s to the voice boards so that when you press a key you can see which voice is playing (or not). It actually has twelve voices, but they are dual linked so in use its six voice polyphonic. I found the dead board and proceeded to remove it. Now it’s just down to trying to diagnose what’s actually wrong with the board. I changed a suspect IC using a part pulled from an old CS60 board but unfortunately it didn’t solve the problem. Deeper inspection and troubleshooting is now needed. I’d really like to get this up and running.

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03 2009

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