Community: Could the USB dropout problem be related to random shutoffs?

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74 Views 5 Replies Latest reply: Jan 16, 2013 9:01 PM by buckpansy

buckpansy

10 posts since
Mar 14, 2006

Currently Being Moderated

Jan 16, 2013 9:24 AM

Could the USB dropout problem be related to random shutoffs?

My x3 live is an older unit made before the usb droput fix. I never had it fixed because none of the authorized repair centers in my area will return my emails or calls (some of them no longer exist). Anyway, lately my unit has been randomly powering off. I bought a new px2. That didn't solve it. My power supply (from a power conditioner) is pristine. So my question is this: if I were to apply the fix from "Technical Bulletin 41-Add Cap/ U34 Reg" and solder on the correct capacitor, would that fix my random shutoff problem?

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silverhead
9,592 posts since
Apr 1, 2009

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Jan 16, 2013 10:34 AM (in response to buckpansy)
Re: Could the USB dropout problem be related to random shutoffs?

A power problem is likely unrelated to the usb audio dropout problem, so I don't think the usb dropout fix will resolve your problem.

Having said that, I don't think Tech Bulletin #41 applies to the usb dropout problem (IIRC it was #47? my memory may be wrong here) so I can't say whether the #41 fix is related to your problem.

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- buckpansy
  10 posts since
  Mar 14, 2006
  
  Currently Being Moderated
  
  Jan 16, 2013 1:25 PM (in response to silverhead)
  Re: Could the USB dropout problem be related to random shutoffs?
  
  From the x3 live service manual pdf I found:
  Service Objective:
  Verify the current installation and/or add C252 (03-10-0478) to stabilize the +3.3V_USB line so
  the EEPROM is not corrupted on shut down.
  
  It says Technical Bulletin 041.
  
  Anyway, it's beyond my current scope of understanding. I saw, "stabilize the +3.3V_USB line so
  the EEPROM is not corrupted on shut down".
  
  I'm desparate and tired of this thing crapping out on me, enough that I'm willing to teach myself how to repair electronics. It's already messed up, nobody will fix it and I absolutely refuse to buy a new Line 6 product if the motive to do it is replacing one that junks-out on me due to low quality manufacturing (what it seems like, anyway).
  
  What could be the problem causing random shutoffs? It's not my power supply. The firmware is up to date. There has never been any "incidents" of dropping or spilling.
  
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  - silverhead
    9,592 posts since
    Apr 1, 2009
    
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    Jan 16, 2013 2:33 PM (in response to buckpansy)
    Re: Could the USB dropout problem be related to random shutoffs?
    
    Sometimes it's a simple matter of reinstalling the firmware; have you tried that?
    
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    - buckpansy
      10 posts since
      Mar 14, 2006
      
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      Jan 16, 2013 6:29 PM (in response to silverhead)
      Re: Could the USB dropout problem be related to random shutoffs?
      
      Not yet. Thanks though. I'll try that asap.
      
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    - buckpansy
      10 posts since
      Mar 14, 2006
      
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      Jan 16, 2013 9:01 PM (in response to silverhead)
      Re: Could the USB dropout problem be related to random shutoffs?
      
      Tried it. Didn't work. Thank you for your idea, though. You're alright by me, man.
      
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Jan 16, 2013 9:24 AM

Could the USB dropout problem be related to random shutoffs?

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