Zarquon
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New joiner here! Any ideas where these chips can be sourced, apart from the usual places (ebay/spares repairs etc)? I have a casio 1000P, with a distorted output on one of the IC sound chips (desoldered and swapped them over...), the other is fine. Are they all compatible - 601 /701 /MT-70 etc?
thankyou
MT-70 Analysis and (hopeful!) repair
in Classic Casio Discussion
Posted
Hi Chas - thanks for the reply. My fault for not being clear! I'm after the Hitachi HD43517 IC's, rather than the CPU. I tried swapping the 2 chips over to check if the "good" one would work in the "upper octave keys" and vice versa - it is a bad chip, very distorted (quite nice sounding tbh, but I can get that with a fuzzbox!). Just wondering if they were used in any other keyboards that weren't Casio or maybe early computer boards etc?