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Jtv59 Mags Drop In Volume While Playing

jtv mags volume drop

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#1 edstar1960

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Posted 09 December 2013 - 07:19 AM

I was noodling around on my JTV59 this afternoon. I had the battery in and it was showing 2 green lights. I had it connected via 1/4 inch jack direct to my Session amp and was playing at very low at home volume level.  I did not have the modelling on.  I was just using the mags and I had the pickup selector down using the bridge pickup on its own.  I was using the overdrive channel and noodling away when suddenly the volume dropped to about 50-60%.  I was mystified. So I just flipped the pickup switch up and back down again and voila volume restored.  I then noodled some more and bang it happened again, so I just flicked the pickup selector switch up and down a couple of times and full volume came back.  This happened about two more times - all in the space of about 15 minutes worth of noodling.

 

I usually use my JTV59 via VDI connected to an HD500 for band usage and I don't usually use the mags - so I have never hit this problem before.  I have had the JTV59 from soon after they were first launched and it did have the new format pickup selector switch not one of the original faulty ones.

 

Has any other JTV59 owner had this happen to them?  And if so, was it a one off or did it happen again and was there a solution for it?   I am wondering if I should just squirt some contact cleaner on the internals of the selector switch?

 

Thanks in advance for your replies.


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#2 nikoniablue

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Posted 09 December 2013 - 09:58 AM

I've the same issue once or twice in the few months I've had a JTV59.  No idea what causes it though.  Did the same as you and flicked back and forth once or twice and it sorted itself.  Would be annoying on  a

gig though.


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#3 edstar1960

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Posted 12 December 2013 - 10:28 AM

I've the same issue once or twice in the few months I've had a JTV59.  No idea what causes it though.  Did the same as you and flicked back and forth once or twice and it sorted itself.  Would be annoying on  a

gig though.

 

Thanks for the reply - glad to know that I am not on my own with this problem.

 

Have you raised a support ticket with Line6 to see what they say?   Thanks.


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#4 nikoniablue

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Posted 13 December 2013 - 06:43 AM

No.  If I raised a support ticket every time a piece of my Line6 gear had a glitch it would be a full time job!!


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#5 Benni2407

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Posted 13 December 2013 - 11:36 AM

Hello together,

 

I had that exact same problem some months ago and sent the guitar to Line6. They exchanged the pickup, which came out to be faulty, and now it works. I mean the pickup thing works. Now I have other issues... Guitar is on it's way to Line6 for the fourth time actually...


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#6 edstar1960

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Posted 16 December 2013 - 02:54 AM

Hello together,

 

I had that exact same problem some months ago and sent the guitar to Line6. They exchanged the pickup, which came out to be faulty, and now it works. I mean the pickup thing works. Now I have other issues... Guitar is on it's way to Line6 for the fourth time actually...

 

 

Thanks for your input.   So it could possibly be a bad pickup.    Sorry to hear that you have had problems and that the guitar is going back for a 4th time.   Well, that is 3 of us, so I am not hitting a completely unknown problem.  Time for me to raise a Support Ticket and see what L6 have to say ...


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#7 edstar1960

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Posted 19 December 2013 - 12:34 AM

I raised a ticket with L6 Support and they came back with advice to try re-installing the firmware first and if that did not fix it then it would need to be sent in to their service centre to take a look.  As I am now out of warranty, sending it in will be an expensive exercise, so I will only do that if it becomes a persistent problem and affects me when I am connected to the HD500 via VDI as that is my usual setup.  For now I can live with it being a bit flakey for the rare occasion I use it with mags stand alone.  But first, I guess it is worth trying the firmware re-install, although I am concerned it may go wrong and cause more problems and more importantly, I don't see how the firmware can affect the mags when modelling is switched off as is the case with this problem.   I may see if I can get a local guitar tech to take a look as it may just need a contact cleaning or something very simple to resolve. 


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#8 Charlie_Watt

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Posted 19 December 2013 - 06:13 AM

I agree with you that firmware isn't going to fix a Mag pickup problem.  You can run the Mag pickups with the battery removed.  However it is probably cheaper to replace the suspect pickup yourself if you are up to the task.


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#9 guitar4u

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Posted 27 December 2013 - 03:04 PM

I think I have the same problem. Listen to this.

 

The clip starts with the analog pups engaged. At :09, I switch in the modeling (which sounds fine). At 0:14, I switch it back to the analog pups; you can hear a significant drop in volume and tone. Does that sound like what is going on here?


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#10 guitar4u

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Posted 27 December 2013 - 03:10 PM

I raised a ticket with L6 Support and they came back with advice to try re-installing the firmware first and if that did not fix it then it would need to be sent in to their service centre to take a look.  

 

That's where I'm at, too. The firmware flash did nothing to fix the issue. It is currently en-route to them.


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#11 edstar1960

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Posted 08 January 2014 - 01:47 AM

That's where I'm at, too. The firmware flash did nothing to fix the issue. It is currently en-route to them.

 

Sorry to hear that guitar4u.

 

I have had to rollback to v1.71 firmware because of a problem with a popping noise when changing patches that swap JTV models on my HD500.  With v2.0 loud pops with v1.71 silent changes.  See thread http://line6.com/sup...s-though-hd500/

 

I have not experienced the mag pup volume drop again but I have not had the chance to sit and play with the JTV just on battery and just using mags - I will have to find time to do that to see if my mag pup problem has gone with the different fw.

 

How are you getting on with your problem?  Has your JTV reached L6 and been looked at yet?  Have they given you an update?   Thanks.


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#12 guitar4u

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Posted 12 January 2014 - 08:02 PM

How are you getting on with your problem?  Has your JTV reached L6 and been looked at yet?  Have they given you an update?   Thanks.

 

Thanks for asking, edstar. It was shipped to Line 6 two weeks ago. I have not heard anything from them, yet. FedEx confirmed delivery though because a signature was required. I asked for an update on the ticket last week. No news.  :unsure:


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#13 smrybacki

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Posted 15 January 2014 - 10:42 AM

Thanks for asking, edstar. It was shipped to Line 6 two weeks ago. I have not heard anything from them, yet. FedEx confirmed delivery though because a signature was required. I asked for an update on the ticket last week. No news.  :unsure:

 

Sadly, I had this exact issu last night and this thread isn't encouraging.  I can tell you why they always tell you to reinstall firmware...it's a time killer and YOU deal with it.  The reality is that if it was fine one day and not the next, a COMPONENT of the guitar is the problem be it the firmware memory or something mechanical.  I light tap on the lower bout of mine last night solved it for a while, which lends itself to a mechanical (switch, pickup, both?) issue.

BTW, since Line6 was just acquired by Yamaha, I can almost gaurantee that people are jumping through flaming hoops at Line6 right now trying to figure out the asses from a hole in the ground under new management -- meaning they may not get to your ticket for a while.  Not trying to be a downer, but perhaps a personal call to Calabasas is in order if you keep getting that Great Wall treatment...


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#14 cruisinon2

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Posted 15 January 2014 - 11:41 AM

"Reflash the firmware" is the musical equivalent of "eat more salads and get some exercise" when your MD has no friggin' idea whats wrong with your gut...lol
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#15 smrybacki

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Posted 15 January 2014 - 12:00 PM

"Reflash the firmware" is the musical equivalent of "eat more salads and get some exercise" when your MD has no friggin' idea whats wrong with your gut...lol

 

Ok, that was worth a 1up for you sir lol...


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#16 guitar4u

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Posted 15 January 2014 - 07:09 PM

  I light tap on the lower bout of mine last night solved it for a while, which lends itself to a mechanical (switch, pickup, both?) issue.


I got similar results by tapping on the volume knob; it seems to wake the pick up up a bit. Very strange! There's definitely something mechanically wrong, and it appears to be happening a multiple guitars. I think the technology is flawed.
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#17 silverhead

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Posted 15 January 2014 - 07:49 PM

"Reflash the firmware" is the musical equivalent of "eat more salads and get some exercise" when your MD has no friggin' idea whats wrong with your gut...lol

 

Agreed. And the damn thing is.....just like diet and exercise..... it actually often works!


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#18 afkasm

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Posted 19 January 2014 - 06:02 AM

Mines been doing something similar for about a year now , when I'm playing through the mags switch to the neck pup and complete silence , quick jiggle on the selector switch and it kicks back in , no issues with the modelling side plus I've rolled back because the hd upgrade is a joke so it's nothing to do with the software , seem to remember an issue with the selector switch having too much flux/ solder when the guitars first started shipping out but can't remember if it was effecting the mags or the modelled sounds .love the way it waited till the warranty was up before surfacing .
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#19 Charlie_Watt

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Posted 19 January 2014 - 06:25 AM

Sounds like you might have a bad switch.


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