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psarkissian

Service Engineer Moderator
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Posts posted by psarkissian

  1. james589batson,... "If anyone has tested it, feedback would be helpful before trying it yourself!" ---

     

    Review my above post. I am the person at YGGI/Line 6 who services and repairs JTV, Standard and Shuriken guitars

    since 2010 (done close to 3,000 by now), and guitar with and without active circuitry on and off for decades before that.

    I've seen these battery foul ups and failures first hand,... to the guitars, the batteries and the chargers. Been getting paid

    to do this tech stuff for some 50 years now, and doing it in general for the heck of it since I was 11 or 12. Pretty much seen it all.

     

    Correct battery with the correct specifications, charge/discharge rates,...correctly matched components in general is a must. 

     

    Hence my above recommendations. Don't want to see any of you blow your gear and as a result, have it end up on

    my repair bench or an authorized service center needlessly. 

     

     

  2. Flextone discrepancies,... could be differences in revisions. There were heads as well as combos. 

    Also, there may not be third party schematics for third party modules or sections, as they would not be ours to have or display. 

     

  3. With the JTV-69, I don't see a service record for that. I figure it has never been serviced, so it more than likely has 

    and earlier revision main board in it. Current version board has a couple of updated chips that are more current for

    today's data stream rates. The 89F would have the current version board in it. the 69 is a 2012 build, the 89F is from 2016.

     

    It should be checked out by a Line 6 authorized technician near you. It is won't be something you can self repair. 

     

     

  4. With a cotton swab, drip in isopropyl alcohol or contact cleaner onto the piezo. Let in work its way into the saddle.

    The blow it out with canned air. Repeat as needed.  

     

    If that doesn't do it, take it to a Line 6 authorized service center to have it checked out. Could be a failing piezo or solder point. 

    Have an service tech experienced with this product deal with it. 

     

  5. Used to work at JBL/UREI, so Soundcraft was down the hall from us, very cool mixer boards and consoles. 

     

    Was an ADAT service tech at Alesis, doing all the ADAT variants, my specialty was the M20, along with the 12R

    and Studio 32 mixers. Was going to be one of two A6 Andromeda synth techs and was going to be the main tech

    for the HD24,... then the whole breakdown occurred and Numark bought them. 

     

    Interesting times. 

     

    Central might not be backwards compatible enough for the 500 for some reason. Glad you manged to get another one. 

     

  6. Just "OS X",...typically refers to OS prior to the animal named OS's. 

    Monkey has been backwards compatible until recently, when it all went to Line 6 Central. 

    My last Mac Lap compatible with original Variax was OS 10.6.8 (whatever animal that was). 

    Monkey still worked until recently on my OS 15.4 Sonoma, but I can no longer connect to any

    original Variaxes except to check Firmware version and can no longer do updates.. 

     

    With many parts no longer available or made anymore, some people are getting used one as a source for parts. 

    Also check out https://line6.com/support/ as some info have become available. 

     

    https://line6.com/technical-schematics/  Just became available recently, for Legacy products, for those with technical prowess and skills. 

    Some IC chips are no longer available or made anymore, being an almost 20 year old product and all. And as usual, attempt at own risk

     

     

  7. "... Googling that gave me a post from you in 2017 that said 'with that error code',... the main board needs to be replaced by an authorized service center. "--- That was for a JTV's with Flash v1.82, as there was glitch in the program. You had to roll back and then update to a Flash version beyond v1.82 or risk freezing the board beyond repair.

    That does not apply to original Variax, such as 500 Electric.

     

    On the Downloads page, it looks like Snow Leopard is too current an OS.

     

     

     

  8. 1- Go to the Downloads page on the Line 6 site.

    2- Download the Firmware v3.10 program onto your computer.

    3- Connect Variax for updating.

    4- Open Central. When you go to update, there will be be a button labeled "Choose File", click on it.

    5- A window will come up. Open the Firmware v3.10 file and update using Central, but from your local drive, rather than from the Line 6 server.

    6- If that fails, try 1 thru 5 using the Line 6 Updater,... updating from your local drive.

     

    See if that works. If there is still an issue, go to the nearest Line 6 authorized service center in your area. There could be a loose 

    cable connection inside or,... being that it is as you say 20 year product, maybe a few oxidized intermittent solder points inside

    that might be getting in the way.

     

     

  9. 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/

     

     

     

  10. 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.

  11. 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.

     

     

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