Casio CT-700


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Hello guys,

I just bought a non-working, 30-year old Casio CT-700 and a Radioshack Concertmate 1000 and was able to swap out the internals and have one working CT-700. However, I have 2 issues that I was hoping I can get some help with.

1) I have a brand new extra sustain pedal that came with my Yamaha P-125 and when I plug it into the Casio, it works in reverse. Notes are sustained until I press the pedal! I desoldered the wires inside the pedal and soldered them in reverse, and the same thing happens. I zip tied the two contact points and the same thing... I'm confused! Does this have something to do with the internals of the CT-700?

2) The previous owner/s have done a great job of stripping most of the case screws and the top and bottom case seem a little flimsy and loose. What is the best way of securing them?

Thank you so much,
 

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happyrat1

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First of all the Yamaha pedal is of opposite polarity from Casio and the rest of the world excluding Roland. Easiest cheapest fix is to buy a universal pedal like the M-Audio SP-2 for around $20 USD.

Secondly to address the stripped out screw holes, buy a box of the cheapest, flimsiest wooden toothpicks money can buy and shove a couple into the screw holes and cut them flush with a pair of side cutters. Then you'll be able to screw in the old screws with a tight fit. It may take some trial and error to see how many toothpicks you need in the holes to give a tight fit.

Gary ;)
 

Rayblewit

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to address the stripped out screw holes, buy a box of the cheapest, flimsiest wooden toothpicks money can buy and shove a couple into the screw holes and cut them flush with a pair of side cutters. Then you'll be able to screw in the old screws with a tight fit.
Smart Engineering!
 
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