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Im truly baffled by this hum and buzz on my HD500x


tkelly426
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Hey there wonderful, intelligent line 6 community! Ive had a line 6 HD500x for the past year and something very strange happened today. My POD was connected to my iMac and hooked up to a external monitor through the XLR output and i unplugged everything and took it to my friends to work on some tones. When i hooked the POD up at his place every patch had a hum like buzz to them. I did a factory reset, nothing. i checked my cables, nope. I even went straight to my fender deville amp and still had it. What could my issues be?

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Its now doing it at my place as well :(

I had this once with X3 Pro and HD500. I ended up uninstalling all software and driver on my PC, reinstalling everything and then reinstalling the firmware in the devices. I don't know why it happened and that's the way I fixed it. Also, in all the years I had them it only happened once and they were fairly new too.

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Its now doing it at my place as well :(

 

Save your patches, tell your buddy he owes you $500, and go shopping... ;)

 

Seriously tho, unless there was a power surge that fried something while you were over there, it's probably just a coincidence...something's up though. Save everything and try a factory reset. If still no joy, it's repair bench time...good luck.

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Something must have happened from the time you transported it to your friends work up to the time it was used at your friends work.

 

It sounds like something damaged the circuity associated with the sound output. Take it apart and do a visual inspection if you're comfortable doing that. Look for a capacitor that bulges. Do you smell anything burnt about it?

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This doesn't seem like it is going in a good direction...I have only two other suggestions...

 

First, dial up a "New Tone" patch....Patch with nothing in it...Do you hear the noise?

Second, check the input settings page....I am guessing you are using a conventional guitar on the guitar input....Perhaps try switching to the Aux Input and see if you still have the noise...The drawback here is the tuner will not tune the aux input and inputZ has no effect...But this might tell you if the problem is in the Guitar input itself or not...

 

That's all I got...It does sound like a hardware issue...Seems you have gone thru about everything you can do to eliminate it...

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