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psarkissian

Service Engineer Moderator
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Everything posted by psarkissian

  1. psarkissian
    There is no "... "we can tell you, but we'd have to kill you" BS", going on here. I'm not claiming "... trade secret, voodoo or anything else ...". I simply can't get into circuit level stuff with end users. It's that grounding is trickier here with these, since there are pick-ups as well as piezos. Don't worry, the laws of physics are still intact. I can get into some generalities and recommend a way to proceed. I do this as a courtesy and they let here,... so long as it does not cut into my time repairing stuff. If you're looking for more inside info, becoming an authorized service center. You're a sharp guy who knows stuff.
  2. psarkissian
    Needs to be taken into a Line 6 authorized service center. It will need a part.
  3. psarkissian
    Yes. It's here. I'll be at a trade show here. But there is no one ahead of you, so it will be first in line when I return on Monday. Remind me on Monday.
  4. psarkissian
    "... saddles are grounded only by virtue of mechanical contact with the bridge piece and the bridge pieces are grounded only by virtue of the height-adjust screws and the intonation screw"--- mmm,... not quite, but close. More to it than that. Dis-similar metals,... not entirely. Oceanography research vessels I've been on, they have three of everything when it comes to electronics. A prime, a back-up secondary, and one in the shop for servicing. And they all get cycled through constantly in that sequence, always two on board at any one time. But yeah, metal and high mineral content moisture can wreak havoc on all sorts of metallic surfaces and electronics. "... grounded only by virtue of mechanical contact with the bridge piece ..."--- no, afraid not. But that's circuit level stuff I can't get into with end users. Yeah, geography,... some up there refer to it as down there. Just given them their props. Nice to know you're always on the ball here. Thanks. But Mr Buchholtz's ticket was a problem with set-up. A bad set-up can mask a host of other problems. Once the set-up is done, all the other stuff will fall out and show itself in a more apparent way. But yeah, moisture will be at play as well.
  5. psarkissian
    I'm familiar with Mr Buchholtz's problem though the ticket system, most of it is problems with his set-up. But yes, quite right snhirsch, I've seen that happen, rather rare fortunately. The saddles are grounded as is the bridge. That you would need extra, is rather curious. Burlington, Vermont,... moisture a bit higher down there? Most of what I see is losing signal during a dive bomb on the Trem bar. That's easily adjusted for. Cases like what snhirsch had, can occur. I've seen a couple, as well as few seriously corroded ones from the Great Lakes or Gulf Coast areas where moisture can be a problem with metal parts. Had one in recently from Key West, some of the worst corrosion I'd seen in several years. Start from the top of the suspect list and work your way down, eliminate all the possibilities systematically.
  6. psarkissian
    If it occurs while using the Trem bar, then typically, the Tremolo tension and/or B-string piezo saddle needs adjusting. Especially if you're into "dive bombing". "At best it's a bad ground return on the 2nd string"--- good guess, always on the ball. But if it was a bad ground, all of them would have the problem. A failed piezo? Maybe, but then it would have problems even if the Trem bar wasn't being used. At this point, prime suspects would be piezo saddle adjust or Trem bar tension, snhirsch's suggestions would be 3 and 4. After that I would recommend a local Line 6 authorized service center in your area.
  7. psarkissian
    Occurs on boot-up?
  8. psarkissian
    Impedance is a function of frequency. Go with headphones that have a nominal impedance of 680-1.0k Ohms. iPod earbuds are low impedance and are (typically) not well matched for other devices from other companies. Best to go with headphones that are more in keeping with generally accepted in a wider swath of the audio industry. So yes, the Sony MDR series is good, Sennheisers are not bad, and the AKG 240 and 270 series are good.
  9. psarkissian
    I await with open arms.
  10. psarkissian
    There's neck relief to consider as well.
  11. psarkissian
    Silverhead is correct. Alt Tune shifts from where the string is at pitch wise. If you tune Low-E down a whole step (to D), and you use the Alt Tune to go down another whole step, it will be at C. So, what silverhead said. Just don't physically tune down too far or you risk going beyond the guitar's ability to track the pitch in any tuning mode. Someone once tried tuning to near baritone range and was getting drop-outs in Modeling mode cause of that.
  12. psarkissian
    Make certain it switches one guitar at a time.
  13. psarkissian
    Thanks for letting me practice on you what little bit of Deutsch I still recall from middle school. :) Einen schönen Abend to you too.
  14. psarkissian
    Das ist ausgezeichnet. Sehr gut.
  15. psarkissian
    A Line 6 authorized service center should be able to get parts and service for any Line 6 product that's still being serviced. Log a support ticket in your account or contact at Tel: +49 (0) 4101 303 0 .
  16. psarkissian
    There's PMS Electronics in Minden and Beats & Bytes in Dietzenbach.
  17. psarkissian
    Possible, difficult,... again, there are impedance issues, along with signal and noise issues to overcome. And would have to be done in a way that doesn't pull down supply voltages. It's touchy stuff, easy to make it all FUBAR.
  18. psarkissian
    Not certain about availability in your area. Check with Graph Tech and you're local Line 6 authorized service center. They may be able to get it or point you in the right direction to get it.
  19. psarkissian
    Simce Full Compass doesn't ship to the Euro, you might want to try All Parts https://www.allparts.com/nuts-and-saddles ... in their nuts and saddles section. Happy hunting and rock on!
  20. psarkissian
    Bulk resistance should be kept around 6k to 8k-Ohms. Try not to go outside of that.
  21. psarkissian
    Black TUS Q XL: BT-6543-00, 1.6" x .6" x .1", with angle slots at 5-degrees, 42.89mm x 7.99mm x5.08mm. The one in the link has a rolling breaking angle, do not use that one. Thump it with your finger nail, if it rings too much or has a hollow sound, it's the wrong density. Should feel similar to Bakelite only more solid. I don't see it on Graph Tech's current list, so as close to a BT-6543 as you can get. Or try to get it through our service partners at Yamaha Euro or an authorized Line 6 service center in your area. They can email me for a part number thru the usual tech request channels.
  22. psarkissian
    It's about matching the right pick-up for the right body tone. I have a DiMarzio as a bridge pick-up on a '66 Ricki three pick-up 12-string. I would never use that same DiMarzio on my '72 Gibson ES330, the tone color difference would be too off with regards to body tone matching. I'd go a custom wound Seymour Duncan for that. And I would never use a Strat style single coil on either of them. Might go for a custom wound Seymour Duncans for the Strat style single coil for one of my JTV-69's though. Right pick-up tone for the right body and tone,... as opposed to using it because it's the latest fad or looks cool. It's about the sound quality.
  23. psarkissian
    Yes, you can play using 9's,... but the string tension will change, so you'll need to have the set-up checked by a (preferably Line 6 authorized) guitar tech, and if needed, adjusted for the string tension change.
  24. psarkissian
    There is a real spacer fix for that. One of the things I check when a guitar comes in for servicing.
  25. psarkissian
    Pick-up swaps,... try to use ones with a bulk resistance between 6k-Ohms to 8k-Ohms. Height adjustment may be more trial and error regarding string warbling from magnetic pull down on the strings, when it comesto non-stock pick-ups, as the height adjustment spec won't be the same. There may be some trial and error in adjusting that to get to its optimum spot.
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