Home › Forums › Help/Technical Questions › My DMM died :(
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February 16, 2009 at 4:34 am #77746SixbladeknifeMember
And then came back to life Anyway, I hadn’t used it in about a month and I hooked it up (not on a board, by itself straight into the amp) and it worked for about a second and then just cut out. The signal still passed through and the power/overload lights still worked, but no effect. I messed w/ it for a little while trying to jump start it, but to no avail. I tried again about an hour later but w/ the same result. And then I tried one last thing- I turned all the knobs to zero and then back up and it suddenly came back to life. I used it w/ my looper for about an hour and it worked perfectly. Just wanted to know if anyone has any ideas about what happened- I’m a little bugged about it, although I’m happy that its working again. Fwiw, I bought it new a couple of years ago and its never been messed with. I talked to Fender&EHX4ever;about it and he suggested that the BBD chips may have overloaded? Anyway, thanks in adavance!
February 16, 2009 at 11:40 am #93362The EH ManModeratorMy guess is that there’s a bad solder joint somewhere that got jarred loose and then back into contact.
February 16, 2009 at 1:03 pm #93367puretubeMemberHad a similar DMM problem in for ambulant repair last week:
he hadn`t played it for 2 years, and when he plugged it in after dusting it,
it suddenly wouldn`t work anymore… (LEDs lit up, though – but no sound, he said).
After opening, it was immediately evident:
besides dusting, he had tightened the sockets… with the effect,
that the di-out-socket soldertab had turned a quarter rotation,
and touched the bare ground-wire…
Tightened it once again in the correct position, and told him to screw on
the bottom-plate again: “it will work now” – “but we`ll plug it into an amp to be sure”…Well: still no sound (not “on” & not “bypassed” – until I pulled the output-cable,
which suddenly produced guitarsound from the amp for the tenth of a second…Screwing the DMM open again, and taking a closer look at the effect-out socket unplugged
it showed nothing wrong…
but: with the cable inserted, the tip-contact-clip almost invisibly touched the angled
(diamondbox) enclosure, and thus shortening any signal to ground when slightly bent by
the inserted jack!Same procedure as with the other socket: tightening it again in a proper position: WORX!
February 17, 2009 at 9:31 pm #93456SixbladeknifeMemberQuote:My guess is that there’s a bad solder joint somewhere that got jarred loose and then back into contact.Seems to be working fine since the other day- do you think I should have it serviced or leave it be?
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