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Jtv-59 - Battery No Longer Powers Up Guitar


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#1 AdInfinitum

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Posted 03 April 2014 - 12:29 PM

I have a JTV-59 that was working perfectly fine on battery power. I just purchased a second battery because I know that these batteries have a limited recharge life. I recharged my original battery and then charged up the back-up. Of course, when I put the original battery in, it no longer powers up the guitar. Then tried the new battery (after a full charge up), and it also did to power the guitar. I then used the stereo cable and breakout box and the guitar does power up via the breakout box, but both batteries do not power up the guitar (no lights on the battery indicator).

Any ideas? Is there a "reset" or a discharge that I can try? I'd prefer not having to ship the guitar back to Line6 (I have an early reproduction version that required a replacement of the three way switch, although Line6 did not put on the switch plate to cover the switch hole).

Thanks
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#2 arislaf

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Posted 03 April 2014 - 01:54 PM

Stupid question, but the charger lights up correct when you are charging?


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#3 AdInfinitum

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Posted 03 April 2014 - 02:14 PM

OMG - I forgot to turn the battery charger on!

Only kidding - it is plugged in and charging correctly. Plus, the battery indicator on the Variax does not light at all. Even when the battery ran down, I always got at least one green light.
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#4 Charlie_Watt

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Posted 03 April 2014 - 03:22 PM

Sounds like there is something wrong with the battery box itself in the JTV since neither battery is working.


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#5 edstar1960

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Posted 04 April 2014 - 07:46 AM

If the battery charging has the correct indicator lights and the batteries have had the full recharge and the indicator lights have started blinking at the appropriate rate to indicate charging complete then it does sound like it must be a problem with the battery box as Charlie_Watt has suggested.

 

One more thing to check before you have to contact Line 6 support for help - are the batteries sliding correctly into place within the battery compartment and making contact with the terminals?   If they do slide in perfectly and make contact then I suggest you call Line 6 for assistance.   Hope you get it sorted.


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#6 AdInfinitum

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Posted 04 April 2014 - 08:26 AM

Thanks everyone for the replies. I tried leaving the battery in the unit overnight, hoping that the JTV required to get past a threshold of current or charge to activate the battery. I was right. I just checked and the battery registered four green lights. So, all is good.
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#7 Charlie_Watt

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Posted 04 April 2014 - 01:49 PM

That makes no sense!  Glad it's working though.  It should work or not work and time should not be a factor.


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#8 silverhead

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Posted 04 April 2014 - 01:54 PM

... I tried leaving the battery in the unit overnight, hoping that the JTV required to get past a threshold of current or charge to activate the battery. ....


You mean you left it in the charging unit overnight, right? Not the JTV?
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#9 AdInfinitum

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Posted 04 April 2014 - 02:34 PM

No, I left the fully charged battery in the JTV overnight and now it is working. It may make no sense, but . . . it worked. There is probably a component failure in the battery circuit. Sometimes having a continuous source of current gets the component to start working again.
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#10 Sngwrtr

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Posted 09 May 2014 - 09:13 AM

Wow ... I am just now experiencing this same problem.  I have had my JTV-59 for two years.  Initially had two batteries.  Recently purchased a third battery as one battery was charging only to three lights.  Anyhow, took a break from JTV and left it unplugged with no battery in compartment for maybe three weeks.  When I went back to use it, could not get either of the original batteries to display any green lights when secure in compartment.  Took newly ordered battery out of box and charged it fully.  Placed it in battery compartment of guitar - nothing!  I have tried three different batteries (all Line 6 batteries) and none of them can produce even a single green light on indicator.  Guitar works fine as "electric" but none of the unique features, of course, work without charge!  Is there any chance I can resolve this without returning guitar to Line 6?


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#11 edstar1960

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Posted 09 May 2014 - 09:25 AM

Wow ... I am just now experiencing this same problem.  I have had my JTV-59 for two years.  Initially had two batteries.  Recently purchased a third battery as one battery was charging only to three lights.  Anyhow, took a break from JTV and left it unplugged with no battery in compartment for maybe three weeks.  When I went back to use it, could not get either of the original batteries to display any green lights when secure in compartment.  Took newly ordered battery out of box and charged it fully.  Placed it in battery compartment of guitar - nothing!  I have tried three different batteries (all Line 6 batteries) and none of them can produce even a single green light on indicator.  Guitar works fine as "electric" but none of the unique features, of course, work without charge!  Is there any chance I can resolve this without returning guitar to Line 6?

 

I suggest you try what the OP did.  Place one of the fully charged batteries in the JTV59 and leave it overnight.  Then check it's status in the morning and if it's the same issue as the OP then the JTV59 should spring into life after having the battery in place overnight.


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#12 AdInfinitum

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Posted 09 May 2014 - 09:29 AM

I also hooked up my JTV using the power cable to make sure that the unit was working with AC power.  at first, it was intermittent - the volume was low, then crackly, then worked.  This happened a few times.  But, after about 10 minutes, it was working fine with the cable/AC power.  I then thought that sometimes capacitors or filters get discharged and maybe because I let the battery's charge get too low when I left the battery in the unit (I've been playing my Transperformance lately), that the JTV just need to have current flowing through it to get all the components firing or at least above a threshold.  I'm not an EE, but, it worked.


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#13 Sngwrtr

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Posted 09 May 2014 - 09:30 AM

Thank you for pointing that out.  I should have mentioned that I did precisely that (having browsed the forum last night).  As of this morning, no signs of life.  Still have battery in compartment a hopin' and a prayin' for life this evening when I return home from work, but the cynic in me says "Highly Unlikely."


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#14 edstar1960

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Posted 09 May 2014 - 09:52 AM

Is there no end to the weirdness with these things, lol? I've taken various battery powered items that hadn't been used in years, put in a new battery, turn it on and go...power is power isn't it?

 

Hell, I don't even keep the battery in my JTV, as I'm using the VDI all the time. Maybe I should start. Don't want to go on vacation and come back to a deceased instrument. That's nuts...really seems like one of those problems that just shouldn't exist.

 

Crazy, nuts, banana's!    Never ceases to amaze me what things sometimes fix JTV glitches!    I completely agree - none of the solutions in this thread make sense but clearly they have worked for the OP!      :)          :D


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#15 AdInfinitum

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Posted 09 May 2014 - 09:58 AM

Let's just say I did have a witch doctor perform a voodoo ritual over my JTV to get it to work.  No chickens were sacrificed or harmed though.

 

I've had weird things like that happen on other battery powered guitars like my Parker Fly (for the piezo).  Sometimes the battery just doesn't supply enough current to get the guitar making any sound, then after a few minutes and some cursing, it does work.  It could be a cold solder somewhere in the circuit.  Who the heck knows.  Note - I still had the problem even after taking it in for repair!

 

Line6 does have authorized repair shops now, so you may not have to ship it far.  I actually have an authorized repair place about 2 miles up the road. Good luck.


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#16 Charlie_Watt

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Posted 09 May 2014 - 11:41 AM

There is probably a broken connection in the battery tray.  Capacitors charge up almost instantly when you insert the battery.  It makes no sense that it would take more than a few microseconds - certainly not minutes or hours.  The battery try includes a circuit board that could have a failure.


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#17 snhirsch

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Posted 09 May 2014 - 04:54 PM

Either that or there is something going wrong with the profit-protection mechanism that guards against the use of third-party batteries.


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#18 AdInfinitum

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Posted 09 May 2014 - 06:28 PM

Both of my JTV batteries are authentic Line6 batteries. But you are probably right that there is something wrong with the battery power circuit.
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#19 Sngwrtr

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Posted 05 June 2014 - 12:31 PM

Okay .... my problem with battery turned out to be a "bent pin" in the battery compartment.  Easy fix, but the technician waited three weeks for "response" from Line 6 (never did get one) before he returned his attention to the guitar out of his own initiative and solved the problem.

 

Next time, I'll check the pins to see if any look out of whack and fix myself.


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