clem! Posted May 25, 2016 Report Share Posted May 25, 2016 Hi there, I know this a is little bit OT and may be not very contemporary: I have bought an old DX7S and thought about building a RAM-Cartridge by myself. Maybe someone here has some experience with this or knows where to find completed eagle files or a pcb to do this. Best regards, clem! Quote Link to comment Share on other sites More sharing options...
ilmenator Posted May 25, 2016 Report Share Posted May 25, 2016 Do you have the schematics for these cartridges? If so, the layout should not be a major problem. Quote Link to comment Share on other sites More sharing options...
clem! Posted May 28, 2016 Author Report Share Posted May 28, 2016 (edited) Thx for the reply ilmenator, I didn't found any schematic for the Yamaha RAM4 or RAM5 on the web but I have a service-manuals for DX7II and you can find pics of the PCBs of the RAM-Cartridges - so you are right. But I never worked with eagle and the spacing of the pins of the cartridge port is a bit uncommon, so it would be helpful not to start from scratch. Perhaps etching a breadboard-catrtridge will do it. But I don't know how to create a matching connector in eagle. BTW Kölle am Rin is my old Heimat ;-) but that was 25 years ago. Best, clem! Edited May 29, 2016 by clem! Quote Link to comment Share on other sites More sharing options...
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