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UNPLANNED DOWNTIME: 12th Oct 23:45

Acoustic inbuilt tuner problem

sev112sev112 Frets: 2457
in Acoustics
after changing strings today, the in built tuner on my Epiphone jumbo was playing up. Then battery light came on so I replaced them.

howver, with new batteries in, i cant get the High e string to register.  All the other 5 strings register, although I sense (possibly erroneously) that the other strings are not sending a string signal either.

the tuner is in the onboard preamp.  How is it tuning ? It must be picking up vibrations somewhere, and I am guessing the piezo under the saddle? I am wondering if the saddle is seated poorly following the string change, and also possibly because I came down from 13 to 12s (and hence possibly less force).  Wondering if the high e string puts the smallest force on the saddle.

ill do some wiggling about tomorrow but just wondered if any experience in this ?
ta


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Comments

  • ICBMICBM Frets: 69426
    Yes, that sounds likely. What does it sound like through an amp? That should show up a weak top E. (Any clean amp will do if you don't have an acoustic one.)

    "Take these three items, some WD-40, a vise grip, and a roll of duct tape. Any man worth his salt can fix almost any problem with this stuff alone." - Walt Kowalski

    "Just because I don't care, doesn't mean I don't understand." - Homer Simpson

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  • sev112sev112 Frets: 2457
    That’s the point that confuses me - sound through an amp is fine, no difference, so the piezo is picking up the sound ?! Confused :(   
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  • ICBMICBM Frets: 69426
    In that case it's probably a fault in the preamp. Is it a Shadow?

    "Take these three items, some WD-40, a vise grip, and a roll of duct tape. Any man worth his salt can fix almost any problem with this stuff alone." - Walt Kowalski

    "Just because I don't care, doesn't mean I don't understand." - Homer Simpson

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  • sev112sev112 Frets: 2457
    Yep it’s a shadow :( 
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  • ICBMICBM Frets: 69426
    I've come across quite a lot of problems with those.

    "Take these three items, some WD-40, a vise grip, and a roll of duct tape. Any man worth his salt can fix almost any problem with this stuff alone." - Walt Kowalski

    "Just because I don't care, doesn't mean I don't understand." - Homer Simpson

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  • sev112sev112 Frets: 2457
    Strings off, “piezo” out and re- inserted in bridge, saddle back in straight with a bit of pressure as I put the B and E strings back on, and hey presto, back operating again :)

    happy bunny :)
    cheers
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