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Pod 2.0 Switches To Tuner Mode Automatically, No Sound Output

pod 2.0 tuner

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#1 djspleen

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Posted 08 June 2013 - 10:20 AM

Hi.

 

I've owned a Pod 2.0 for many years but I didn't have a floorboard until about a year ago when I purchased one on eBay.  There was a Pod 2.0 unit included in the floorboard auction.  I kept it as a spare since I had all of my settings on the Pod I already owned.  I tested everything when I first received it and as far as I knew at that point it all was working fine (both the board and the Pod).

 

I'm now thinking about selling this extra Pod so I'm trying it out to make sure it still works.  Well...much to my surprise it doesn't!  It started out fine but after a few minutes it switched to TUNER mode on its own.  I thought that was strange, so I turned the tuner off by switching to a bank.  It worked fine for a few more minutes but switched to TUNER mode again.  It's a very intermittant kind of thing, sometimes it switches right away and sometimes it waits several minutes.

 

And now in addition to that issue, it's acting like it's not getting any INPUT signal.  When it does switch to TUNER it shows only a dash and it does not register that it hears any notes whatsoever.  If I switch it to one of the banks there still is no sound output.  I've tested the cables as well as my working Pod (and made sure my guitar volume was up) and everything works fine until I switch out to the backup Pod.  I made sure the OUTPUT LEVEL is not at zero on the Pod and I've also turned, flipped and switched every available knob and button to see if something perhaps got dirty or wet or whatever while it was sitting on my shelf for the last year...no changes.  It's now a soundless Pod that switches to TUNER mode all by itself.

 

I did a factory reset (holding down UP and DOWN while powering up) but that made no difference.

 

I didn't see that this issue was brought up here before, but maybe someone has some thoughts.

 

If you do, please let me know!

 

Thanks.


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#2 djspleen

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Posted 08 June 2013 - 11:03 AM

Strange...I messed with the backup Pod for a while and it seems to be working (mostly) now.  Maybe it forgot what it was supposed to do after not being used for so long?  *shrugs*

 

The only strange thing is when I change it to TUNER the unit doesn't mute the output.  Maybe that's a setting change from the factory rest, I've never had to mess with that.

 

I don't know what happened, but it's fixed...for now.

 

But if anyone has any theories I'd be happy to hear them.


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#3 TheRealZap

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Posted 08 June 2013 - 11:21 AM

when the tuner is engaged one of the small knobs will mute/unmute, and it will remember your selection.


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#4 toneman2121

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Posted 08 June 2013 - 11:32 AM

i think the tuner button got some dirt in it. keep working it, maybe it'll stop acting up. about the tuner not muting, 

 

Tuner Volume - You can adjust the tuning volume of your POD by turning the 
Chan Vol knob while the tuner is active (this doesn’t affect the volume of your 
not-in-tuner-mode POD sound). Alternatively, if you have a Floor Board 
connected, the volume pedal will control the tuner volume, too.

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#5 djspleen

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Posted 08 June 2013 - 12:29 PM

Never mind my second post.  It's not working at all again.  Obviously there are some issues there.  I'll take it apart and see what I can see.  I can't sell it the way it is now anyway, so what do I have to lose?


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#6 djspleen

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Posted 08 June 2013 - 04:36 PM

I took the entire thing apart.  The circuit board looks clean enough to eat off of, there wasn't anything to clean up...so much for the dirt theory.  

 

Next step is to reformat it...if that's even possible.


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#7 toneman2121

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Posted 08 June 2013 - 05:15 PM

the dirt or grime could be INSIDE the switch. it's not a sealed system. you gotta spray cleaner inside the switch to clean it. if indeed the switch is dirty. you might have to change it. there's a project for ya. reformat what?


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#8 djspleen

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Posted 08 June 2013 - 07:29 PM

I'm not sure where the dirt and grime could be hiding.  The tuner "switch" is molded on a removable sheet of rubber fused with all of the other buttons in the middle of the Pod (similar to what you see when you take a TV remote control apart) that come in contact with the circuit board.  There is nowhere for dirt to hide, that I could see.  And unless I'm totally not understanding anything I saw today, there is no switch to change, it was all circuit board.

 

Reformat who knows what...I was just hoping that a process like that existed.  :)


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#9 toneman2121

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Posted 09 June 2013 - 05:32 AM

why do you want to argue with me? i'm saying it may be dirty. so clean it. the button does not have the same type of contact area a tv remote has. it has movable parts, at least from what i remember when i changed the battery in my 2.0. even if it does have a molded rubber sheet as you say, the area on the board that the button contacts can still get dirty. and i don't mean the kind of dirt you get from digging a tomato garden. i've cleaned the circuit board contact area on my tv remote when it acted up and got it to work as it's supposed to work.  so in your scenario, if it doesn't work you have to buy a new circuit board. what sense does that make. my daughter has a 2.0. i'm going to borrow it and find out what's up.

 

reformat would be the hard reset that you already performed.


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#10 djspleen

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Posted 09 June 2013 - 08:33 AM

I'm not arguing with anyone. I'm just reporting what I see. I didn't see any dirt/dust/gunk or anything else to clean up and I didn't see any movable parts relating to the tuner. I'm sorry if I worded something incorrectly, I certainly didn't mean to offend you or to sound like a smart @$$...sometimes that just happens by accident.


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#11 djspleen

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Posted 09 June 2013 - 10:20 AM

I'll post some pics of what I'm seeing:

 

1)  With the top removed:  http://home.dejazzd..../IMG_0998_s.jpg

 

2)  With the bank of buttons unattached.  Note that only circuit board is under the buttons, no switches:  http://home.dejazzd..../IMG_0999_s.jpg

 

3)  The plastic housing that holds the buttons together has been removed.  Only a sheet of rubber buttons remains:  http://home.dejazzd..../IMG_1000_s.jpg

 

4)  This shows the backside of the rubber button sheet.  Also visible is the part of the buttons that contacts the circuit board:  http://home.dejazzd..../IMG_1001_s.jpg

 

I don't see any moving parts relating to the tuner.


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#12 toneman2121

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Posted 09 June 2013 - 12:04 PM

alright, you got me :o

since you have it apart did you wipe the contact area?  the part where the pads on the button touch the circuit board. i guess the only thing to do is ask line6 if you can get the display from them


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#13 djspleen

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Posted 09 June 2013 - 12:22 PM

I did wipe it off but haven't had time to test it yet.  I'm not holding my breath, however.  I'll contact Line6 and see what they recommend.  

 

Thanks!


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#14 redmporta

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Posted 02 April 2014 - 11:47 AM

Hey! I have exactly the same problem since I got mine, I have replaced: 

battery

the removable chip inside with a new one from line six ver. 2.3

the only thing Ive found out is that if you leave it alone unplug for about a year and try it you will be able to play for less than a minute, then It will go into tuner and mute again for another century.

 

DId you found out anything from line six? or if you got it fixed somehow Ill try anything, I was really thinking on trowing this away but I really liked the fuzz box sound and reverb.


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#15 BillBee

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Posted 03 April 2014 - 03:48 AM

Hey Fellas - don't ask me for tech details as this stuff is not my wheel house:

 

Symptom: Unit switches to "Tuner" mode by itself, or display is erratic.

 

-Check the +5V regulator. On some rev. pcb's it lies next to a trace. It should not, however, be lying on top of the trace. If it is, loosen the hex standoff heat sink and slide the top of the regulator over so it is not on top of the trace.

 

So if you know a tech guy or one pops up here maybe they decipher the above. If it works please let the others know.

 

-B


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#16 peejaybee815

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Posted 04 April 2014 - 08:27 PM

Hey Fellas - don't ask me for tech details as this stuff is not my wheel house:

 

Symptom: Unit switches to "Tuner" mode by itself, or display is erratic.

 

-Check the +5V regulator. On some rev. pcb's it lies next to a trace. It should not, however, be lying on top of the trace. If it is, loosen the hex standoff heat sink and slide the top of the regulator over so it is not on top of the trace.

 

So if you know a tech guy or one pops up here maybe they decipher the above. If it works please let the others know.

 

-B

 

Translation: there is a thing that looks kind of like a black Chiclet with three metal legs and a metal fin opposite the legs.  It will be bent over to lie flat on the board, on some designs next to one of the metal lines on the circuit board.  It shouldn't lie on the metal lines, though, so if it is, loosen the nut that holds the fin down and slide the top over so it's not on the metal lines any more.  

 

This image is of a Pod XT's innards, but the voltage regulator is right by the MIDI connector closest to the center (EDIT: or maybe not, there are three similar looking components, some of which may be power transistors, but a VR is going to look like that.  You'll have to look up the numbers on the part to see which is the VR.)

1347741310_line6-pod-xt-guts.jpg


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