Community: M5 - No sound

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397 Views 21 Replies Latest reply: Jan 9, 2013 11:35 PM by sorin65

RonnieHornschuh

3 posts since
Sep 10, 2012

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Nov 30, 2012 3:53 AM

M5 - No sound

I am having problems with my M5 recently. First it was the flashing LCD screen, which i could resolve by doing the flash update, but now no sound comes out of it. Bypass only works when I enable True Bypass, otherwise no sound gets through even when it's turned off. When I try the tuner, there is no input signal. I tried the setup, but it says the jacks are ok.

I am not using the original power supply btw, but it used to work fine before. It has more than 500 mA.

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silverhead
9,592 posts since
Apr 1, 2009

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Nov 30, 2012 6:08 AM (in response to RonnieHornschuh)
Re: M5 - No sound

I suggest you try it with the proper power supply. It doesn't have to be the official Line 6 product, but it does have to match in ALL respects. Using the wrong power supply typically results (eventually - not necessarily immediately) in exactly the sort of symptoms you describe. Sometimes permanent damage has been done, somtimes things are resolved simply by switching back to the proper supply again.

Good luck.

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- RonnieHornschuh
  3 posts since
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  Nov 30, 2012 1:21 PM (in response to silverhead)
  Re: M5 - No sound
  
  Is this the right one?
  
  http://www.thomann.de/de/line6_dc1_g.htm
  
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  - silverhead
    9,592 posts since
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    Nov 30, 2012 1:24 PM (in response to RonnieHornschuh)
    Re: M5 - No sound
    
    No - you want this one:
    https://www.globalfulfillment.net/gfsnet/line6/10Expand.aspx?ProductCode=98-030-0042-05
    
    ... or its European equivalent....
    
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    - RonnieHornschuh
      3 posts since
      Sep 10, 2012
      
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      Nov 30, 2012 2:23 PM (in response to silverhead)
      Re: M5 - No sound
      
      You mean the DL4 PSU? I tried that one, but it's not working at all. Either gives me a flashing screen or a humming tone out of the amp.
      
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      - TheRealZap
        11,829 posts since
        Dec 22, 2006
        
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        Nov 30, 2012 2:43 PM (in response to RonnieHornschuh)
        Re: M5 - No sound
        
        I think you might both be wrong and you need a dc3g
        
        https://www.globalfulfillment.net/gfsnet/line6/10Expand.aspx?ProductCode=98-030-0041
        
        or
        
        http://www.thomann.de/de/line6_dc_3_g.htm
        
        it's "universal" and self switching.... so should be the same unit globally with just a different plug attachment to fit your socket.
        
        I'm not certain though...
        but i am certain that it does NOT use an AC adapter.
        
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        silverhead
        9,592 posts since
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        Dec 1, 2012 6:22 AM (in response to TheRealZap)
        Re: M5 - No sound
        
        Hmmm....the link I provided says it is compatible with the M13 and M9, so I guess I assumed it was also the correct one for the M5 and that the documentation just hadn't been updated. But I see no mention of M5 compatibility in the dc-3-g description either, so I am not sure what to say. I am not near my M5 for the next couple of days so can't check directly, but I have my suspicions about the dc-3-g.
        
        Perhaps someone reading this thread who owns an M5 can look at the power supply that came with it and tell us the product name / number / specifics?
        
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        phil_m
        4,243 posts since
        Jan 25, 2007
        
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        Dec 1, 2012 6:53 AM (in response to silverhead)
        Re: M5 - No sound
        
        The M5 needs the DC-3-g power supply (or equivalent third party 9V DC supply). The M9 and M13 use the PX-2. The M5 only runs on DC, and the M9 and M13 only run on AC. The four button stomps will work on either AC or DC.
        
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        silverhead
        9,592 posts since
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        Dec 1, 2012 7:18 AM (in response to phil_m)
        Re: M5 - No sound
        
        Thanks Phil... and zap.
        
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        TheRealZap
        11,829 posts since
        Dec 22, 2006
        
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        Dec 1, 2012 9:25 AM (in response to silverhead)
        Re: M5 - No sound
        
        silverhead wrote:
        
        Perhaps someone reading this thread who owns an M5 can look at the power supply that came with it and tell us the product name / number / specifics?
        
        I have the M5, but i also have all the others too! so i have all the power supplies for them all....
        i always used the dc3g, without issue... just couldn't rule out the dc1 (was 100% on the DC part though)
        so thanks phil for chiming in.
        
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herbertg14
6 posts since
Dec 6, 2009

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Jan 4, 2013 1:34 PM (in response to RonnieHornschuh)
Re: M5 - No sound

i am having the same problem too i am using a custom power supply 2000Mah DC power. should i switch to AC ? my line 6 M5 suddenly cant detect any input but all the controls and display are functioning properly. even when i turn the on the tuner it donesn't pickup anything i have 4 guitars and alot of cables that work nothing happens. has this problem been resolved ? what should i do i already lost the original PSU when i moved house.

my 2000Mah power supply powers my line6 M5 with a Boss PS6 harmonizer and klon centaur. the Line6 M5 and the PS6 runs into a looper. all 4 stomp boxes are powered by the 2000Mah power suply i have all are working properly but then the line 6 is connected to the loop no sound comes out even when on tuner mode.

I tried removing all the pedals and just power the m5 and direct to the guitar to amp still no signal is being detected by the M5.

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- TheRealZap
  11,829 posts since
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  Jan 4, 2013 1:30 PM (in response to herbertg14)
  Re: M5 - No sound
  
  herbertg14 wrote:
  should i switch to AC ?
  No.
  
  no answer for the rest of your posts i'm afraid.
  
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sorin65
4 posts since
Jan 4, 2013

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Jan 4, 2013 2:14 PM (in response to RonnieHornschuh)
Re: M5 - No sound

I have a M5 with same problems - no sound come out, excepts when is used in True By Pass mode, but only when the button ON/OFF is OFF - getting only the original DRY guitar sound bypassed. So, no effects comes out, no wet signal! when the mode is in DSP, nothing comes out.
The pedal is not mine, I got it only for repair. The owner used with an 12V supply and after that attempt, the M5 was damaged.
Also the tuner doesn't work, but I fixed that replacing one of the TL072C opamp from the motherboard.
Seems that internal buffers don;t works - I don't have schematics to be sure where are located. I didn't find the wet signal trace either. otherwise voltages are very clear marked on the PCB, I measured and are fine.
I will apreciate if I get an service manual or some tech advices. I received the pedal yesterday, but now I'm stucked on it.
Regards,
Sorin

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herbertg14
6 posts since
Dec 6, 2009

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Jan 5, 2013 8:10 AM (in response to RonnieHornschuh)
Re: M5 - No sound

ok i opened up my line 6 M5 and found out what's wrong

it has 2 components broken. shown on these picture i captured and labelled

thisone is burned
http://filekeeper.com.php5-1.ord1-1.websitetestlink.com/line6/Photo0123b.jpg

and

these 2 are cracked and detached from their solders
http://filekeeper.com.php5-1.ord1-1.websitetestlink.com/line6/Photo0121b.jpg

im not really sure how these things happened lol! but it is the first time i opened this thing up!

what are they and how can i get them ? hope someone can help thank you very much!

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- TheRealZap
  11,829 posts since
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  Jan 5, 2013 8:18 AM (in response to herbertg14)
  Re: M5 - No sound
  
  you'd probably have to call during the day and get the service manager for any chance of figuring that out: http://line6.com/company/contact/
  more than likely they'd have the whole boards available for nearly the replacement price...
  although it never hurts to ask.
  
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herbertg14
6 posts since
Dec 6, 2009

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Jan 6, 2013 11:27 AM (in response to RonnieHornschuh)
Re: M5 - No sound

can someone tell me though and confirm what this is ?

http://filekeeper.com.php5-1.ord1-1.websitetestlink.com/line6/Photo0123b.jpg

is that a transistor ? it has 3 feet and solder mounted to the board. i cannot read the values can someone or someone know what the value of this part is ?

thanks!

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- sorin65
  4 posts since
  Jan 4, 2013
  
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  Jan 7, 2013 10:04 AM (in response to herbertg14)
  Re: M5 - No sound
  
  hi Herbet,
  is an 7805 (voltage regulator). in input you have arround 9V. output 5 V.
  this one:
  http://www.tme.eu/en/details/l7805acd2t/unregulated-voltage-regulators/st-microelectronics/#
  the brocken bobinns I gues are 150 micro Henryes.
  hope this helps,
  Sorin
  
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herbertg14
6 posts since
Dec 6, 2009

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Jan 9, 2013 2:14 AM (in response to RonnieHornschuh)
Re: M5 - No sound

ok i found more problems with my line 6 M5. more parts got broken and its a headache lol hope someone can help me identify what the values of these parts are or hope someone can give me a schematic diagram of the M5.

Here are the broken parts label on the PCB that i am hoping someone can give me the values

L12
L13
C106
C96
C92
C98
C101
C112
C110
R124
D18
D19
C103

here is a screenshot of my problem with labels where the parts are located
HELP PLEASE!

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- silverhead
  9,592 posts since
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  Jan 9, 2013 8:59 AM (in response to herbertg14)
  Re: M5 - No sound
  
  This may be an easier and even cheaper solution (especially if you value your time at all):
  http://line6.com/support/message/406067#406067
  
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herbertg14
6 posts since
Dec 6, 2009

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Jan 9, 2013 9:03 AM (in response to RonnieHornschuh)
Re: M5 - No sound

unfortunately im not in the US can someone help me get the values of those please thank you and a new one costs 250$ around here in the philippines. sucks

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- herbertg14
  6 posts since
  Dec 6, 2009
  
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  Jan 9, 2013 9:22 AM (in response to herbertg14)
  Re: M5 - No sound
  
  i hope someone with a kind heart with a line 6 M5 can open up his/her and find the values of the missing caps and paste it here
  
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  - sorin65
    4 posts since
    Jan 4, 2013
    
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    Jan 9, 2013 11:35 PM (in response to herbertg14)
    Re: M5 - No sound
    
    hi herbert,
    unfortunetelly, all components you mention are unmarked. even when are new, capaciors are unmarked, are labeled only on the package strip. you have to find an service manual - I'm looking also for one. maybe will appears somewhere. I found only for M13, but is not usefull for M5.
    but how you get so many deffective components?
    
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Nov 30, 2012 3:53 AM

M5 - No sound

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