I have uploaded 2 service manuals of vintage Casio synthesizers. One is for Casiotone 1000p. The other is combined for the electronically similar Casio MT-65, MT-68, MT100 and CT-405.
I hope this can help people to repair their Casio synths and upgrade missing functions in MT-65 related keyboard variants.
I now also uploaded the service manual of Hohner PSK50 (aka Casio CT-640, similar like Casio MT-240) and schematics of Hohner PSK55 (aka Casio CT-650). They are not 100% Casio (sound naming on panel differs) but technically the same. Casio MT-240 has minor PCB layout differences but uses the same hardware. Also Casio MT-540 only differs from MT-240 in ROM set and panel buttons.
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OK.Thank you for uploading!
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