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<body class='hmmessage'><div dir='ltr'><font style="" color="#000000" face="Tahoma,sans-serif">Joe,<br><br> Check out the service manual - <br><br><a href="http://elektrotanya.com/yaesu_ft-2900r_sm.pdf/download.html" target="_blank">http://elektrotanya.com/yaesu_ft-2900r_sm.pdf/download.html</a><br><br>main unit schematic. It looks like AF mute is a place to look. You will need to check levels with a signal. It is best to have a low (0 volt) signal on PL receive.<br id="FontBreak"></font><br><br><b><font style="font-size:16pt;" size="4">73 Doug</font><font style="font-size:16pt;" size="4"><br></font><font style="font-size:16pt;" size="4">WA3DSP</font><font style="font-size:16pt;" size="4"><br></font><font style="font-size:16pt;" size="4">http://www.crompton.com/hamradio</font></b><font style="font-size:16pt;" size="4"><br></font><br><br><div><hr id="stopSpelling">From: joe@ad2dx.us<br>To: arm-allstar@hamvoip.org<br>Date: Fri, 27 Mar 2015 21:52:25 +0000<br>Subject: [arm-allstar] FT-2900R COS Signal<br><br>
Hi Folks,
<div>Does anyone know where I can find the COS signal inside the Yaesu FT-2900R? I can get TX/RX audio, PTT and ground from the outside of the unit but I poured through the schematics and cannot locate COS.</div>
<div>Thanks in advance.<br>
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<div>73</div>
<div>Joe - AD2DX</div>
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