<html><head><meta http-equiv="content-type" content="text/html; charset=utf-8"></head><body style="overflow-wrap: break-word; -webkit-nbsp-mode: space; line-break: after-white-space;"><br id="lineBreakAtBeginningOfMessage"><div><br><blockquote type="cite"><div>On 5 Aug 2024, at 6:45 PM, Ben Walker <ben@audio.computer> wrote:</div><br class="Apple-interchange-newline"><div><meta charset="UTF-8"><blockquote type="cite" style="font-family: Helvetica; font-size: 13px; font-style: normal; font-variant-caps: normal; font-weight: 400; letter-spacing: normal; orphans: auto; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: auto; word-spacing: 0px; -webkit-text-stroke-width: 0px; text-decoration: none;"><div>Are you saying that the presence of the keyboard gate voltage is determined by which sound group you select from the front panel?<br></div></blockquote><div style="caret-color: rgb(0, 0, 0); font-family: Helvetica; font-size: 13px; font-style: normal; font-variant-caps: normal; font-weight: 400; letter-spacing: normal; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; word-spacing: 0px; -webkit-text-stroke-width: 0px; text-decoration: none;">Yep! And on some sounds the keyboard gate is fed a square wave. That seems intentional, but the low voltage on some sounds less so.<br></div></div></blockquote><br></div><div>Ha!</div><div>The square wave kybrd gate thing reminds me of the "REPEAT" option in my old miniKorg 700 - designed to replicate the sound of mandolins, etc!!! Cos that's what you wanted a monosynth to do back in 1974...</div><div>Some of the schematics remind me also of my SH2000 - e.g. the "staircase" wave forms associated with the ADSR.</div><div>Probably a similar vintage.</div><div>As Peter says, there could easily be a lot of bad joints in this thing.</div><div>My SH2000 gave me a lot of grief until I finally bit the bullet and laboriously re-flowed every joint on the main board... and then voila! </div><div><br></div><img src="cid:ACC6B688-FF56-4850-8A35-720AB1AE690F" alt="Screen Shot 2019-05-29 at 12.20.37 PM.png"><div><br></div><div><div style="display: block;"><div style="-webkit-user-select: all; -webkit-user-drag: element; display: inline-block;" class="apple-rich-link" draggable="true" role="link" data-url="https://mezzoauto.blogspot.com/2019/05/roland-sh-2000.html"><a style="border-radius:10px;font-family:-apple-system, Helvetica, Arial, sans-serif;display:block;-webkit-user-select:none;width:300px;user-select:none;-webkit-user-modify:read-only;user-modify:read-only;overflow:hidden;text-decoration:none;" class="lp-rich-link" rel="nofollow" href="https://mezzoauto.blogspot.com/2019/05/roland-sh-2000.html" dir="ltr" role="button" draggable="false" width="300"><table style="table-layout:fixed;border-collapse:collapse;width:300px;background-color:#E5E6E9;font-family:-apple-system, Helvetica, Arial, sans-serif;" class="lp-rich-link-emailBaseTable" cellpadding="0" cellspacing="0" border="0" width="300"><tbody><tr><td vertical-align="center" align="center"><img style="width:300px;filter:brightness(0.97);height:157px;" width="300" height="157" draggable="false" class="lp-rich-link-mediaImage" alt="IMG_6802.jpeg" src="cid:0C6A4D4C-72C1-438B-BEBD-A7D81527CBDB"></td></tr><tr><td vertical-align="center"><table bgcolor="#E5E6E9" cellpadding="0" cellspacing="0" width="300" style="font-family:-apple-system, Helvetica, Arial, sans-serif;table-layout:fixed;background-color:rgba(229, 230, 233, 1);" class="lp-rich-link-captionBar"><tbody><tr><td style="padding:8px 0px 8px 0px;" class="lp-rich-link-captionBar-textStackItem"><div style="max-width:100%;margin:0px 16px 0px 16px;overflow:hidden;" class="lp-rich-link-captionBar-textStack"><div style="word-wrap:break-word;font-weight:500;font-size:12px;overflow:hidden;text-overflow:ellipsis;text-align:left;" class="lp-rich-link-captionBar-textStack-topCaption-leading"><a rel="nofollow" href="https://mezzoauto.blogspot.com/2019/05/roland-sh-2000.html" style="text-decoration: none" draggable="false"><font color="#272727" style="color: rgba(0, 0, 0, 0.847059);">Roland SH-2000</font></a></div><div style="word-wrap:break-word;font-weight:400;font-size:11px;overflow:hidden;text-overflow:ellipsis;text-align:left;" class="lp-rich-link-captionBar-textStack-bottomCaption-leading"><a rel="nofollow" href="https://mezzoauto.blogspot.com/2019/05/roland-sh-2000.html" style="text-decoration: none" draggable="false"><font color="#808080" style="color: rgba(0, 0, 0, 0.498039);">mezzoauto.blogspot.com</font></a></div></div></td></tr></tbody></table></td></tr></tbody></table></a></div></div></div></body></html>