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psarkissian

Service Engineer Moderator
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Posts posted by psarkissian

  1. If the knob is loose, very carefully pull up the knob and check the the retainer nut is good and snug.

    The pot casing needs to have good snug contact with the foil on the underside of the pick guard. It is

    part of the chassis ground. A loose pot would be an intermittent connection.

     

    If that does not solve it, have it checked out by a Line 6 authorized service center in your area.

     

    https://line6.com/find/service_center/

     

     

     

  2. Yes, Workbench can help.

     

    -Fresh string set, a 10-42 (or 46) gauge string set, for good string to piezo tension.

     

    -With a cotton swab, drip isopropyl alcohol onto the piezos, let it seep down onto the saddle.

    Then blow it out with canned air. Repeat as needed.  This is to clear any gunk out from between 

    the piezos and saddles, as the saddle acts as a chassis ground for the piezo circuit. Gunk in the

    saddles can make that an intermittent ground.

  3. Could be a guitar that's been acclimated to another region's climate (temperature and humidity) before ending up Down Under.

    Have that temperature and humidity issue with Stevic MacKay's JTV-89 and his Shuriken Variax guitars when he and Twelve Foot Ninja 

    are in Los Angeles and I services his guitars. As I recall, he's from Melbourne.

     

    Sounds like that shim worked. Very Good.

     

     

  4. No.

     

    Contacts, current draw and the power management circuit inside are different. So that would be a problem for the Variax and the battery charger.

     

    And there is something different about the circuit in the CS or Cameron-Sino batteries that claim to be Line 6 replacement compatible, but are not. 

    I have had problems with those, damage to the Variax jack plate circuit, problems with the Line 6 battery chargers, and such. So those are not recommended, 

    and advise against using those,... for now.  ---  If the situation changes with those, I'll let everyone know.

     

     

  5. A Line 6 VDI to USB interface device is needed to connect the Variax to the computer,... if you don't already have one.

    Line 6 Central works with Sequoia, but Workbench HD only goes up to Ventura.

     

    Un périphérique d'interface VDI vers USB Line 6 est nécessaire pour connecter le Variax à l'ordinateur,... si vous n'en avez pas déjà un. Line 6 Central fonctionne avec Sequoia, mais Workbench HD ne va que jusqu'à Ventura.

     

  6. No,... you would have to use original Workbench. And that runs on 32 bit machines (Mac and PC), 

    not the 64-bit versions of the newer computer OS's.

     

    To run on Workbench HD, the v1.71 would have to be update to v2.00 or beyond. 

     

    Would need an older computer or a board swap to a current version Main Board. 

    A Line 6 authorized service center can do that.

     

     

  7. Spider IV line is much older than 5 years. And modeling products (whether L6 or others) are a different beast,

    being both an analog and digital hybrid. 

     

    Most generic products can get generic 1st party or 3rd party spare parts. And that's hard to do generic 3rd party 

    parts when the product has lots of patented and proprietary elements in it.

     

     

  8. 1) "Do you think that a local repair centre (non Line 6) could check this out for me?", not a good idea, as they won't have access to service info 

    including any tech bulletins there might be for it, parts and me (or Yamaha in Europe) for any further advice they might want.

     

    2) That is an old product, long time out of production, so parts would be limited, so what is still available would be for authorized service centers and repair.

     

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