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Unlocking the Yamaha E70

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  • E'naut,

    Yup, I saw the post on your FB page... from none other than Flametop Fred, who used to post here quite a bit.

    I guess a couple years ago, I waited maybe 6 months before finally picking up an E-50 on CL that was advertised all that time.

    Sounds like you've got a great studio there. I will def have to make the 1 hour drive to Nanaimo sometime and have a listen.

    Enjoy the E70; I know you'll love it.
    Mark Sutin

    Comment


    • mseven: It's funny how many of us live in this area. Phathead from this forum is one of my close friends, and is a huge Electone fan. He's been posting questions in another thread about his E75.
      One of my students has a C55N, and another student has a DK40C. Vancouver Island seems to be a little hotbed of Electone activity. lol

      Give me a shout when you want to visit the studio. Weekends are usually best. I'd love to see those panels and parts in person!

      Comment


      • Maybe not so remarkable if you take into account these would have come into Vancouver by boat from just overseas ... harder to find the variety like the E-75, the more East you go, no? Otherwise, I've seen E-70's and D-85's the most : )

        ... Almost forgot, there's the major market of California and Hollywood!

        Originally posted by Europanaut View Post
        mseven: It's funny how many of us live in this area. Phathead from this forum is one of my close friends, and is a huge Electone fan. He's been posting questions in another thread about his E75.
        One of my students has a C55N, and another student has a DK40C. Vancouver Island seems to be a little hotbed of Electone activity. lol

        Give me a shout when you want to visit the studio. Weekends are usually best. I'd love to see those panels and parts in person!
        Last edited by keyman2; 07-25-2013, 03:27 PM.

        Comment


        • Yup, I've seen "a lot" (well, several anyway) of the good models advertised up the coastal states.

          Originally posted by keyman2 View Post
          Maybe not so remarkable if you take into account these would have come into Vancouver by boat from just overseas ... harder to find the variety like the E-75, the more East you go, no? Otherwise, I've seen E-70's and D-85's the most : )

          ... Almost forgot, there's the major market of California and Hollywood!
          Mark Sutin

          Comment


          • Cools, thanks. A road trip would be great. Plus... sounds like your studio has an awesome analog part to it.

            I can bring some of the nice modding stuff up there for a viewing. It would be best if, say, the lettering was in the wood already. (I'm going to lasercut labels as close as possible to the original appearance.) Let me tell ya, I've done a lot on this mod stuff!

            Warning though, you might want to do the same to your beast!

            Originally posted by Europanaut View Post
            mseven: It's funny how many of us live in this area. Phathead from this forum is one of my close friends, and is a huge Electone fan. He's been posting questions in another thread about his E75.
            One of my students has a C55N, and another student has a DK40C. Vancouver Island seems to be a little hotbed of Electone activity. lol

            Give me a shout when you want to visit the studio. Weekends are usually best. I'd love to see those panels and parts in person!
            Mark Sutin

            Comment


            • Faceplate Design Error!

              <a href="http://img694.imageshack.us/img694/1104/uxkl.jpg" target="http://img694.imageshack.us/img694/1104/uxkl.jpg"><img align=right src="http://img694.imageshack.us/img694/1104/uxkl.jpg" style="border:1px solid black;width:600px;margin-left:20px;"></A>I was hoping to solder these terminals to pcbs... but there's less than a mm sticking up above the wood. I've tried small pieces of pcb but nope, too small. The "headers" I have here (from China) are a weak fit.

              And in the previous mockup of coupling the keyboards, my soldering to small pins like this resulted in a break rate of about 50% given a gentle wiggle test after a couple months.

              I have a few wire-wrapping sockets, and they seem to fit tightly enough. Then I still have to solder to small pins, or they could extend to a pcb. There's no reason no to solder directly, they don't need to be individually unpluggable. Maybe its my cheap soldering iron... ?

              I'm not certain what to do here. I just want to not have to do it twice.

              How's your work going Keyman?
              Mark Sutin

              Comment


              • Looks pretty good for an 'error'... I agree that hanging wires off the leads is a no-no....

                Perhaps you could chop out strips of perf board to fit within the pockets, while accommodating the slider pins - assuming they're of a compatible spacing? That should reinforce the subsequent connections - feel free to forward and image of the type of vero/perf board you may be using...

                OR...

                If all you need to do is bring out the pins far enough (assuming your slider will still protrude enough from the front face) Put a spacer of sufficient thickness between the front of the slider and the bottom of the pocket - a cardboard strip/cut out with slot clearance for the slider arm - cardboard comic book backing is a good possibility, wouldn't be hard to work with? Marc is great at these sorts of finagles.... I'm sure he could offer similar ideas.

                I've got the PAIA patched into the CSY, just adjusting the trigger versus note c/v to ensure proper timing...hopefully get that sorted out with a corresponding demo sometime this weekend.

                I actually picked up a Yamaha CS-15D, which is a perfect model of what I'm doing with the CSY; from the perspective that it is two individual synth sections being driven by a common keyboard. It has c/V note and trigger inputs which I was able to drive with the PAIA Midi to C/V interface via a couple of basic level shifting transistor circuits. I then modified an existing Midi file to record a multi-track demo. Everything is CS-15D, just the drums and a bit of reverb for added texture.

                Originally posted by mseven View Post
                <I was hoping to solder these terminals to pcbs... but there's less than a mm sticking up above the wood. I've tried small pieces of pcb but nope, too small. The "headers" I have here (from China) are a weak fit.

                And in the previous mock up of coupling the keyboards, my soldering to small pins like this resulted in a break rate of about 50% given a gentle wiggle test after a couple months.

                I have a few wire-wrapping sockets, and they seem to fit tightly enough. Then I still have to solder to small pins, or they could extend to a pcb. There's no reason no to solder directly, they don't need to be individually unpluggable. Maybe its my cheap soldering iron... ?

                I'm not certain what to do here. I just want to not have to do it twice.

                How's your work going Keyman?
                Attached Files
                Last edited by keyman2; 08-08-2013, 08:43 PM.

                Comment


                • Click image for larger version

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                  Nice!
                  Mark Sutin

                  Comment


                  • Originally posted by keyman2 View Post
                    Looks pretty good for an 'error'... I agree that hanging wires off the leads is a no-no....

                    Perhaps you could chop out strips of perf board to fit within the pockets, while accommodating the slider pins - assuming they're of a compatible spacing? That should reinforce the subsequent connections - feel free to forward and image of the type of vero/perf board you may be using...
                    Thanks, the slots aren't quite wide enough to fit perfboard, ie: the outside holes could only be half holes. Thinking I could use a router bit to widen those slots. It wouldn't be as pretty anymore, but, well, it is the back side afterall.

                    Originally posted by keyman2 View Post
                    If all you need to do is bring out the pins far enough (assuming your slider will still protrude enough from the front face) Put a spacer of sufficient thickness between the front of the slider and the bottom of the pocket - a cardboard strip/cut out with slot clearance for the slider arm - cardboard comic book backing is a good possibility, wouldn't be hard to work with? Marc is great at these sorts of finagles.... I'm sure he could offer similar ideas.
                    Yup, possibly, but I want to keep the sliders out as far as possible if possible

                    Originally posted by keyman2 View Post
                    I've got the PAIA patched into the CSY, just adjusting the trigger versus note c/v to ensure proper timing...hopefully get that sorted out with a corresponding demo sometime this weekend.

                    I actually picked up a Yamaha CS-15D, which is a perfect model of what I'm doing with the CSY; from the perspective that it is two individual synth sections being driven by a common keyboard. It has c/V note and trigger inputs which I was able to drive with the PAIA Midi to C/V interface via a couple of basic level shifting transistor circuits. I then modified an existing Midi file to record a multi-track demo. Everything is CS-15D, just the drums and a bit of reverb for added texture.
                    Nice acquisition on the CS-15D! So on your nice version of Peter Gunn, you're playing single notes, but you've got the second oscillator up an interval? Great performance.. much enjoyed
                    Mark Sutin

                    Comment


                    • If you haven't stained anything, just get the board planed a bit thinner - shouldn't take more than a minute to run each board through if you find one - likely the fellow that machined them for you should have one. Otherwise, check with the likes of Rona as they have a cut shop - or put out a blurb/request online...

                      Originally posted by mseven View Post
                      Thanks, the slots aren't quite wide enough to fit perfboard, ie: the outside holes could only be half holes. Thinking I could use a router bit to widen those slots. It wouldn't be as pretty anymore, but, well, it is the back side after all.



                      Yup, possibly, but I want to keep the sliders out as far as possible if possible



                      Nice acquisition on the CS-15D! So on your nice version of Peter Gunn, you're playing single notes, but you've got the second oscillator up an interval? Great performance.. much enjoyed
                      See related answer on the CSY thread...

                      Comment


                      • Planing the back of the panel would probably be my choice.

                        Comment


                        • Originally posted by Europanaut View Post
                          Planing the back of the panel would probably be my choice.
                          Yep thanks, that's sounding like a good way to go.

                          Enjoying your new E-70 ?
                          Mark Sutin

                          Comment


                          • Originally posted by mseven View Post
                            Yep thanks, that's sounding like a good way to go.

                            Enjoying your new E-70 ?
                            Oh man. It's only been turned on twice since I picked it up. I've been so wrapped up in this C3 repair, there really hasn't been time for any playing.

                            Comment


                            • Mseven, any luck trimming down that thickness, maybe even doing some wiring?

                              Comment


                              • Hey! Good to be back.

                                I've been on family vacation for 10 days. Before that, I hadn't done a thing on those panels since they were cut. A few things got in the way, again. Like sunshine, the beach, you know.

                                Also the Victoria Makerspace moved from a barn to the Vancouver Island Tech Park. Now we've had a few weeks to set up, the laser cutter and woodworking machines are up and ready.

                                I'm assuming the boards can be planed w/o causing too much damage. They are Baltic Birch plywood, so I don't know yet. I suppose best to ask the expert who cut those panels.
                                Mark Sutin

                                Comment

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