Piezo pickup failure? - FRETS.NET2024-03-28T10:46:51Zhttp://fretsnet.ning.com/forum/topics/piezo-pickup-failure?feed=yes&xn_auth=noThat leave us with a short in…tag:fretsnet.ning.com,2021-07-03:2177249:Comment:2797192021-07-03T09:50:36.960ZRoger Häggströmhttp://fretsnet.ning.com/profile/RogerHaeggstroem
<p>That leave us with a short inside one of the cables or discs. The faulty disc/cable can be replaced, making all three discs work.</p>
<p>That leave us with a short inside one of the cables or discs. The faulty disc/cable can be replaced, making all three discs work.</p> There weren't any shorts and…tag:fretsnet.ning.com,2021-07-02:2177249:Comment:2797172021-07-02T18:08:38.572ZEric Gleasonhttp://fretsnet.ning.com/profile/EricGleason
<p>There weren't any shorts and the jack proved to be good. Even with the preamp out of the circuit (easy to do since it's all modular) I couldn't get any output from the piezos. I never did find the problem. It became apparent that troubleshooting the problem was going to cost more than replacing the system, so we installed an LR Baggs Lyric instead. </p>
<p>There weren't any shorts and the jack proved to be good. Even with the preamp out of the circuit (easy to do since it's all modular) I couldn't get any output from the piezos. I never did find the problem. It became apparent that troubleshooting the problem was going to cost more than replacing the system, so we installed an LR Baggs Lyric instead. </p> Was it a cable tie?tag:fretsnet.ning.com,2021-07-02:2177249:Comment:2795702021-07-02T06:41:52.374ZRoger Häggströmhttp://fretsnet.ning.com/profile/RogerHaeggstroem
<p>Was it a cable tie?</p>
<p>Was it a cable tie?</p> check if you have continuity…tag:fretsnet.ning.com,2021-07-01:2177249:Comment:2796622021-07-01T22:12:58.229Zwood addicthttp://fretsnet.ning.com/profile/Beerent
<p>check if you have continuity between hot and ground. if so, one of the 3's legs have shorted.</p>
<p>check if you have continuity between hot and ground. if so, one of the 3's legs have shorted.</p> DING DING DING!! we have a wi…tag:fretsnet.ning.com,2021-07-01:2177249:Comment:2796582021-07-01T22:11:13.881Zwood addicthttp://fretsnet.ning.com/profile/Beerent
<p>DING DING DING!! we have a winner!! this is the answer</p>
<p></p>
<p>DING DING DING!! we have a winner!! this is the answer</p>
<p></p> OK.tag:fretsnet.ning.com,2021-05-29:2177249:Comment:2795082021-05-29T22:43:45.015ZRoger Häggströmhttp://fretsnet.ning.com/profile/RogerHaeggstroem
<p>OK.</p>
<p>OK.</p> Roger, there may also be an i…tag:fretsnet.ning.com,2021-05-29:2177249:Comment:2793632021-05-29T21:34:22.109ZEric Gleasonhttp://fretsnet.ning.com/profile/EricGleason
<p>Roger, there may also be an issue with the preamp, but I'm not getting any output from the pickup elements, which are essentially the Pure Mini.</p>
<p>Roger, there may also be an issue with the preamp, but I'm not getting any output from the pickup elements, which are essentially the Pure Mini.</p> I bet it's the "Ultra Pure on…tag:fretsnet.ning.com,2021-05-29:2177249:Comment:2793612021-05-29T21:25:06.916ZRoger Häggströmhttp://fretsnet.ning.com/profile/RogerHaeggstroem
<p>I bet it's the "Ultra Pure onboard preamp" that is faulty. I always use K&K Pure Mini, as simple as it gets.</p>
<p>I bet it's the "Ultra Pure onboard preamp" that is faulty. I always use K&K Pure Mini, as simple as it gets.</p> I appreciate the input, every…tag:fretsnet.ning.com,2021-05-29:2177249:Comment:2795922021-05-29T19:48:21.405ZEric Gleasonhttp://fretsnet.ning.com/profile/EricGleason
<p>I appreciate the input, everyone. It's possible that there are multiple faults here, but the pickup elements certainly aren't sending out any signal. I disconnected the leads from the jack to remove that as a possiblible point of failure. The DC resistances between hot and ground is in the mega-ohm range, and there's no output. Oddly, there's also no crackling or anything when it's plugged in to the amp and I wiggle the pickup leads that would indicate partially broken…</p>
<p>I appreciate the input, everyone. It's possible that there are multiple faults here, but the pickup elements certainly aren't sending out any signal. I disconnected the leads from the jack to remove that as a possiblible point of failure. The DC resistances between hot and ground is in the mega-ohm range, and there's no output. Oddly, there's also no crackling or anything when it's plugged in to the amp and I wiggle the pickup leads that would indicate partially broken wires. </p>
<p>This installation has got to be close to 15 years old, and the Ultra Pure onboard preamp is at least 2 versions old. It predates my time as a K&K dealer. I had an honest conversation with the customer explaining that I've spent as much time as I'm willing on free troubleshooting, and once I start charging the labor bill is going to rapidly approach the cost of just installing a new pickup system. I don't like to start throwing parts at a problem, and it's a weird failure, but it is what it is and this is her main money-making guitar. With a full calendar coming up in a week, it's a better decision to just replace it and get playing again.</p>
<p>I have the LR Baggs Lyric system (which I *love*) on hand, so we're going to install that instead. </p> worth looking at!
a broken co…tag:fretsnet.ning.com,2021-05-27:2177249:Comment:2795852021-05-27T03:24:04.222ZWalter W Wrighthttp://fretsnet.ning.com/profile/WalterWWright
<p>worth looking at!</p>
<p>a broken connection (i.e., <em>open</em>) would leave you noise and racket, maybe one or two of the three pads still making sound;</p>
<p>a <em>short</em> from hot to ground would leave you with dead silence and no way to trace it</p>
<p>@Eric Gleason try measuring DC resistance at the jack, if it's close to 0Ω then you have something shorting hot to ground, most likely downstream from the piezo pads themselves</p>
<p>worth looking at!</p>
<p>a broken connection (i.e., <em>open</em>) would leave you noise and racket, maybe one or two of the three pads still making sound;</p>
<p>a <em>short</em> from hot to ground would leave you with dead silence and no way to trace it</p>
<p>@Eric Gleason try measuring DC resistance at the jack, if it's close to 0Ω then you have something shorting hot to ground, most likely downstream from the piezo pads themselves</p>