Christian Spaeth Posted November 10, 2014 Report Share Posted November 10, 2014 (edited) For a few shooting days I have found a problem on one of my Nomad inputs: After using it with phantom power at some point I start hearing a "knocking" sound on input 5. After switching phantom off/on or power cycling it doesn't go away, but is audible until the end of the shooting day. When I start the machine the next day however, it's gone and the input is clean. I wrote to Zax about this and they haven't heard this before, so before I send the machine in for service (a few shooting days left) I thought I'd post this in the hope that someone might have run into something like this before and could offer some diagnosis or advice. Surely must have something to do with the phantom power. Edit: how could I forget the disclaimer: Senator, as usual nobody cares what you think. z015040.mp3 Edited November 11, 2014 by Christian Spaeth Quote Link to comment Share on other sites More sharing options...
Chris Woodcock Posted November 10, 2014 Report Share Posted November 10, 2014 I have something similar, my dealer ordered me a new input board hoping that solves the problem. My nomad is 4 years old Sent from my Nexus 5 using Tapatalk Quote Link to comment Share on other sites More sharing options...
Jack Norflus Posted November 10, 2014 Report Share Posted November 10, 2014 Could be a capacitor issue? But if this is something Zaxcom hasn't heard of you best bet is sending it in for service. Quote Link to comment Share on other sites More sharing options...
studiomprd Posted November 10, 2014 Report Share Posted November 10, 2014 (edited) CS: " Surely must have something to do with the phantom power. " you have not nearly convinced me! " someone might have run into something like this before and could offer some diagnosis or advice. " have you tried the DS Ultra-Master reset sequence ?? it is broken, it needs to be fixed... Edited November 10, 2014 by studiomprd Quote Link to comment Share on other sites More sharing options...
CraigF Posted November 10, 2014 Report Share Posted November 10, 2014 my first thought would be the blocking caps on that input but try the mic on another input and try a diffrent mic on that input Quote Link to comment Share on other sites More sharing options...
John Blankenship Posted November 10, 2014 Report Share Posted November 10, 2014 What Craig said. I'd also turn off Zaxnet and any other RF transmitters and see if it's still there. Quote Link to comment Share on other sites More sharing options...
studiomprd Posted November 10, 2014 Report Share Posted November 10, 2014 Craig: " try the mic on another input and try a diffrent mic on that input " aka: troubleshooting 101 BTW: if it is the caps: " it is broken, it needs to be fixed..." applies. Quote Link to comment Share on other sites More sharing options...
glenn Posted November 11, 2014 Report Share Posted November 11, 2014 It does sound like a bad Capacitor. It can be fixed locally . Glenn Quote Link to comment Share on other sites More sharing options...
Christian Spaeth Posted November 11, 2014 Author Report Share Posted November 11, 2014 Thanks for the advice Craig and John, I tried all that. The sound is on one input only independent of the source that is or isn't connected. Glenn, good to know it seems like an easy fix. Senny, time to realize you're making a fool of yourself. Quote Link to comment Share on other sites More sharing options...
studiomprd Posted November 11, 2014 Report Share Posted November 11, 2014 Chrissie: " Senny, time to realize you're making a fool of yourself. " you should realize that you could have it fixed by now if you had contacted Zaxcom's 27/7 tech support! Quote Link to comment Share on other sites More sharing options...
Christian Spaeth Posted November 11, 2014 Author Report Share Posted November 11, 2014 Now you don't even read the threads that you spam anymore... I wrote to Zax about this and they haven't heard this before Quote Link to comment Share on other sites More sharing options...
studiomprd Posted November 11, 2014 Report Share Posted November 11, 2014 but Glenn said: " It does sound like a bad Capacitor. It can be fixed locally . " which is what you wanted to hear... Quote Link to comment Share on other sites More sharing options...
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