<html><head><meta http-equiv="Content-Type" content="text/html; charset=utf-8"></head><body style="word-wrap: break-word; -webkit-nbsp-mode: space; line-break: after-white-space;" class="">Hi Al,<div class=""><br class=""></div><div class="">I spoke with Paul Morte and he indicated that the YM2600 is going for about $2000 USD these days.</div><div class=""><br class=""></div><div class="">Where are you located at . Perhaps you could ask Paul to evaluate for the 1/2 hour inspection fee.</div><div class=""><br class=""></div><div class="">It could save you a lot of fussing.</div><div class=""><br class=""></div><div class="">Paul Morte Technical Services </div><div class="">Main St.</div><div class="">Orange , Calif</div><div class=""><br class=""></div><div class="">Paul Morte <<a href="mailto:Pmts@pacbell.net" class="">Pmts@pacbell.net</a>></div><div class=""><br class=""></div><div class="">PMTS</div><div class=""><br class=""></div><div class="">Regards,</div><div class=""><br class=""></div><div class="">Terry<br class=""><div><br class=""><blockquote type="cite" class=""><div class="">On Oct 1, 2020, at 10:35 AM, al spitzley <<a href="mailto:kogz23@yahoo.com" class="">kogz23@yahoo.com</a>> wrote:</div><br class="Apple-interchange-newline"><div class=""><span style="caret-color: rgb(0, 0, 0); font-family: Helvetica; font-size: 12px; font-style: normal; font-variant-caps: normal; font-weight: normal; 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; float: none; display: inline !important;" class="">Thanks Terry, I will email Paul.</span><br style="caret-color: rgb(0, 0, 0); font-family: Helvetica; font-size: 12px; font-style: normal; font-variant-caps: normal; font-weight: normal; 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;" class=""><br style="caret-color: rgb(0, 0, 0); font-family: Helvetica; font-size: 12px; font-style: normal; font-variant-caps: normal; font-weight: normal; 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;" class=""><br style="caret-color: rgb(0, 0, 0); font-family: Helvetica; font-size: 12px; font-style: normal; font-variant-caps: normal; font-weight: normal; 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;" class=""><a href="https://yho.com/footer0" style="font-family: Helvetica; font-size: 12px; font-style: normal; font-variant-caps: normal; font-weight: normal; letter-spacing: normal; orphans: auto; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: auto; word-spacing: 0px; -webkit-text-size-adjust: auto; -webkit-text-stroke-width: 0px;" class="">Sent from Yahoo Mail for iPad</a><br style="caret-color: rgb(0, 0, 0); font-family: Helvetica; font-size: 12px; font-style: normal; font-variant-caps: normal; font-weight: normal; 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;" class=""><br style="caret-color: rgb(0, 0, 0); font-family: Helvetica; font-size: 12px; font-style: normal; font-variant-caps: normal; font-weight: normal; 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;" class=""><p class="yahoo-quoted-begin" style="font-family: Helvetica; font-style: normal; font-variant-caps: normal; font-weight: normal; letter-spacing: normal; orphans: auto; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: auto; word-spacing: 0px; -webkit-text-size-adjust: auto; -webkit-text-stroke-width: 0px; text-decoration: none; font-size: 15px; color: rgb(113, 95, 250); padding-top: 15px; margin-top: 0px;">On Thursday, October 1, 2020, 10:32 AM, al spitzley <<a href="mailto:kogz23@yahoo.com" class="">kogz23@yahoo.com</a>> wrote:</p><blockquote class="iosymail" style="caret-color: rgb(0, 0, 0); font-family: Helvetica; font-size: 12px; font-style: normal; font-variant-caps: normal; font-weight: normal; 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; margin-left: 0px !important; border-left-width: 1px !important; border-left-style: solid !important; border-left-color: rgb(113, 95, 250) !important; padding-left: 1ex !important; background-color: white !important;"><div id="yiv6839217872" class=""><div class=""><div class="yiv6839217872ydpeeb73b89yahoo-style-wrap" style="font-family: "Helvetica Neue", Helvetica, Arial, sans-serif; font-size: 13px;"><div class=""></div><div dir="ltr" class="">Thanks. Yes, that was my same conclusion. I changed the 4558 and no joy. Obviously I am trying to clutch at straws as I do not want it to be the dreaded YM2600. Do you think it could be the flip flop or shift register circuit around the DAC? Or is that not relevant?</div><div dir="ltr" class="">Thanks!</div><div dir="ltr" class="">Al<br clear="none" class=""></div><div class=""><br clear="none" class=""></div></div><div class="yiv6839217872ydpe0c4ed19yahoo_quoted" id="yiv6839217872ydpe0c4ed19yahoo_quoted_2135964147"><div style="font-family: "Helvetica Neue", Helvetica, Arial, sans-serif; font-size: 13px; color: rgb(38, 40, 42);" class=""><div class="yiv6839217872yqt1990047443" id="yiv6839217872yqt22268"><div class="">On Thursday, October 1, 2020, 6:54:04 AM PDT, TERRY SHULTZ <<a href="mailto:thx1138@earthlink.net" class="">thx1138@earthlink.net</a>> wrote:</div><div class=""><br clear="none" class=""></div><div class=""><br clear="none" class=""></div><div class=""><div id="yiv6839217872ydpe0c4ed19yiv9357383734" class=""><div class="">Hi All,<div class="yiv6839217872ydpe0c4ed19yiv9357383734"><br clear="none" class="yiv6839217872ydpe0c4ed19yiv9357383734"></div><div class="yiv6839217872ydpe0c4ed19yiv9357383734">My Partner, Paul Morte , is the National Service Contractor for Yamaha.</div><div class="yiv6839217872ydpe0c4ed19yiv9357383734"><br clear="none" class="yiv6839217872ydpe0c4ed19yiv9357383734"></div><div class="yiv6839217872ydpe0c4ed19yiv9357383734"><a rel="nofollow" shape="rect" class="yiv6839217872ydpe0c4ed19yiv9357383734" ymailto="mailto:pmts@pacbell.net" target="_blank" href="mailto:pmts@pacbell.net">pmts@pacbell.net</a></div><div class="yiv6839217872ydpe0c4ed19yiv9357383734"><br clear="none" class="yiv6839217872ydpe0c4ed19yiv9357383734"></div><div class="yiv6839217872ydpe0c4ed19yiv9357383734">For Yamaha repair and/or parts, you could contact him directly.</div><div class="yiv6839217872ydpe0c4ed19yiv9357383734"><br clear="none" class="yiv6839217872ydpe0c4ed19yiv9357383734"></div><div class="yiv6839217872ydpe0c4ed19yiv9357383734">I don’t repair Vintage gear much anymore , as I am fully occupied with my own projects.</div><div class="yiv6839217872ydpe0c4ed19yiv9357383734"><br clear="none" class="yiv6839217872ydpe0c4ed19yiv9357383734"></div><div class="yiv6839217872ydpe0c4ed19yiv9357383734">Neverless, Paul and I have helped many folks restore their units to working condition again.</div><div class="yiv6839217872ydpe0c4ed19yiv9357383734"><br clear="none" class="yiv6839217872ydpe0c4ed19yiv9357383734"></div><div class="yiv6839217872ydpe0c4ed19yiv9357383734">Some parts are getting difficult to find as older Yamaha parts are getting bought up by folks restoring their older units.</div><div class="yiv6839217872ydpe0c4ed19yiv9357383734"><br clear="none" class="yiv6839217872ydpe0c4ed19yiv9357383734"></div><div class="yiv6839217872ydpe0c4ed19yiv9357383734">Just my 2 pfennigs</div><div class="yiv6839217872ydpe0c4ed19yiv9357383734"><br clear="none" class="yiv6839217872ydpe0c4ed19yiv9357383734"></div><div class="yiv6839217872ydpe0c4ed19yiv9357383734">Terry<br clear="none" class="yiv6839217872ydpe0c4ed19yiv9357383734"><div class=""><br clear="none" class="yiv6839217872ydpe0c4ed19yiv9357383734"><blockquote class="yiv6839217872ydpe0c4ed19yiv9357383734" type="cite" style="margin-left: 0px !important; border-left-width: 1px !important; border-left-style: solid !important; border-left-color: rgb(113, 95, 250) !important; padding-left: 1ex !important; background-color: white !important;"><div class="yiv6839217872ydpe0c4ed19yiv9357383734yqt2656041345" id="yiv6839217872ydpe0c4ed19yiv9357383734yqtfd66986"><div class="yiv6839217872ydpe0c4ed19yiv9357383734">On Oct 1, 2020, at 2:30 AM, Florian Anwander <<a rel="nofollow" shape="rect" class="yiv6839217872ydpe0c4ed19yiv9357383734" ymailto="mailto:fanwander@mnet-online.de" target="_blank" href="mailto:fanwander@mnet-online.de">fanwander@mnet-online.de</a>> wrote:</div><br clear="none" class="yiv6839217872ydpe0c4ed19yiv9357383734Apple-interchange-newline"><div class="yiv6839217872ydpe0c4ed19yiv9357383734"><div class="yiv6839217872ydpe0c4ed19yiv9357383734moz-cite-prefix" style="font-family: Helvetica; font-size: 12px; font-style: normal; font-weight: normal; letter-spacing: normal; text-indent: 0px; text-transform: none; white-space: normal; word-spacing: 0px; text-decoration-line: none; text-decoration-style: solid; text-decoration-color: currentcolor;">Hello Al<br clear="none" class="yiv6839217872ydpe0c4ed19yiv9357383734">Welcome to the group!<br clear="none" class="yiv6839217872ydpe0c4ed19yiv9357383734"><br clear="none" class="yiv6839217872ydpe0c4ed19yiv9357383734">If the voltages at the potentiometers are ok, then the only two possibilities I see is are either the 4558 (IC14 - causing some number overrun inside the D/A if to much voltage is sent) or (more ugly) the YM26700 itself (IC11).<br clear="none" class="yiv6839217872ydpe0c4ed19yiv9357383734"><br clear="none" class="yiv6839217872ydpe0c4ed19yiv9357383734">The 4558 is easy to replace, the YM26700 is quite an unobtainium<br clear="none" class="yiv6839217872ydpe0c4ed19yiv9357383734"><br clear="none" class="yiv6839217872ydpe0c4ed19yiv9357383734"><br clear="none" class="yiv6839217872ydpe0c4ed19yiv9357383734">Florian<br clear="none" class="yiv6839217872ydpe0c4ed19yiv9357383734"><br clear="none" class="yiv6839217872ydpe0c4ed19yiv9357383734">Am 30.09.20 um 18:38 schrieb al spitzley via Synth-diy:<br clear="none" class="yiv6839217872ydpe0c4ed19yiv9357383734"></div><blockquote class="yiv6839217872ydpe0c4ed19yiv9357383734" type="cite" style="margin-left: 0px !important; border-left-width: 1px !important; border-left-style: solid !important; border-left-color: rgb(113, 95, 250) !important; padding-left: 1ex !important; background-color: white !important; font-family: Helvetica; font-size: 12px; font-style: normal; font-weight: normal; letter-spacing: normal; text-indent: 0px; text-transform: none; white-space: normal; word-spacing: 0px; text-decoration-line: none; text-decoration-style: solid; text-decoration-color: currentcolor;">HI all,<div class="yiv6839217872ydpe0c4ed19yiv9357383734">This is my first email to the group, hopefully I'm doing it right!</div><div class="yiv6839217872ydpe0c4ed19yiv9357383734">I am working on a CS-60 that has a strange issue with the Brillance controllers on the right. They LO lever seems to work correctly. However the HI lever changes the pitch of the notes when you pull the lever down. It shifts the pitch up as well as adding unwanted artifacts to the sound. I'm scratching my head as to why this might be happening. I'm assuming something is going wrong in the KBC circuit.</div><div class="yiv6839217872ydpe0c4ed19yiv9357383734">Does anybody have any ideas?</div><div class="yiv6839217872ydpe0c4ed19yiv9357383734">Thanks</div><div class="yiv6839217872ydpe0c4ed19yiv9357383734">Best</div><div class="yiv6839217872ydpe0c4ed19yiv9357383734">Al</div><div class="yiv6839217872ydpe0c4ed19yiv9357383734"><br clear="none" class="yiv6839217872ydpe0c4ed19yiv9357383734"></div></blockquote><br clear="none" class="yiv6839217872ydpe0c4ed19yiv9357383734" style="font-family: Helvetica; font-size: 12px; font-style: normal; font-weight: normal; letter-spacing: normal; text-indent: 0px; text-transform: none; white-space: normal; word-spacing: 0px; text-decoration-line: none; text-decoration-style: solid; text-decoration-color: currentcolor;"><span class="yiv6839217872ydpe0c4ed19yiv9357383734" style="font-family: Helvetica; font-size: 12px; font-style: normal; font-weight: normal; letter-spacing: normal; text-indent: 0px; text-transform: none; white-space: normal; word-spacing: 0px; text-decoration-line: none; text-decoration-style: solid; text-decoration-color: currentcolor; float: none; display: inline !important;">_______________________________________________</span><br clear="none" class="yiv6839217872ydpe0c4ed19yiv9357383734" style="font-family: Helvetica; font-size: 12px; font-style: normal; font-weight: normal; letter-spacing: normal; text-indent: 0px; text-transform: none; white-space: normal; word-spacing: 0px; text-decoration-line: none; text-decoration-style: solid; text-decoration-color: currentcolor;"><span class="yiv6839217872ydpe0c4ed19yiv9357383734" style="font-family: Helvetica; font-size: 12px; font-style: normal; font-weight: normal; letter-spacing: normal; text-indent: 0px; text-transform: none; white-space: normal; word-spacing: 0px; text-decoration-line: none; text-decoration-style: solid; text-decoration-color: currentcolor; float: none; display: inline !important;">Synth-diy mailing list</span><br clear="none" class="yiv6839217872ydpe0c4ed19yiv9357383734" style="font-family: Helvetica; font-size: 12px; font-style: normal; font-weight: normal; letter-spacing: normal; text-indent: 0px; text-transform: none; white-space: normal; word-spacing: 0px; text-decoration-line: none; text-decoration-style: solid; text-decoration-color: currentcolor;"><a rel="nofollow" shape="rect" class="yiv6839217872ydpe0c4ed19yiv9357383734" ymailto="mailto:Synth-diy@synth-diy.org" target="_blank" href="mailto:Synth-diy@synth-diy.org" style="font-family: Helvetica; font-size: 12px; font-style: normal; font-weight: normal; letter-spacing: normal; text-indent: 0px; text-transform: none; white-space: normal; word-spacing: 0px;">Synth-diy@synth-diy.org</a><br clear="none" class="yiv6839217872ydpe0c4ed19yiv9357383734" style="font-family: Helvetica; font-size: 12px; font-style: normal; font-weight: normal; letter-spacing: normal; text-indent: 0px; text-transform: none; white-space: normal; word-spacing: 0px; text-decoration-line: none; text-decoration-style: solid; text-decoration-color: currentcolor;"><a rel="nofollow" shape="rect" class="yiv6839217872ydpe0c4ed19yiv9357383734" target="_blank" href="http://synth-diy.org/mailman/listinfo/synth-diy" style="font-family: Helvetica; font-size: 12px; font-style: normal; font-weight: normal; letter-spacing: normal; text-indent: 0px; text-transform: none; white-space: normal; word-spacing: 0px;">http://synth-diy.org/mailman/listinfo/synth-diy</a></div></div></blockquote></div><div class="yiv6839217872ydpe0c4ed19yiv9357383734yqt2656041345" id="yiv6839217872ydpe0c4ed19yiv9357383734yqtfd61267"><br clear="none" class="yiv6839217872ydpe0c4ed19yiv9357383734"></div></div></div></div><div class="yiv6839217872ydpe0c4ed19yqt2656041345" id="yiv6839217872ydpe0c4ed19yqtfd45188">_______________________________________________<br clear="none" class="">Synth-diy mailing list<br clear="none" class=""><a rel="nofollow" shape="rect" ymailto="mailto:Synth-diy@synth-diy.org" target="_blank" href="mailto:Synth-diy@synth-diy.org" class="">Synth-diy@synth-diy.org</a><br clear="none" class=""><a rel="nofollow" shape="rect" target="_blank" href="http://synth-diy.org/mailman/listinfo/synth-diy" class="">http://synth-diy.org/mailman/listinfo/synth-diy</a></div></div></div></div></div></div></div></blockquote></div></blockquote></div><br class=""></div></body></html>