[Noisebridge-discuss] Repairing a digital piano?
jim at well.com
Fri Nov 22 03:00:23 UTC 2013
I'm willing to help out. How to proceed?
On Thu, 2013-11-21 at 18:51 -0800, Jeffrey Carl Faden wrote:
> I took the piano apart just now, and it seems that the power jack has
> broken off from the mainboard (pardon any terminology issues; I don't
> know what I'm doing). I don't think it's anything as serious as an IC
> failure or improper PSU polarity.
> I believe what's actually necessary is just a safe removal (unplugging
> wires from the control panel, power switch, and keys) and a re-solder
> of the power jack onto its proper place. I don't feel confident in
> performing this repair, but possibly someone else does.
> Jim, or anyone else who's interested, who'd like to take a gander at
> the insides of a digital piano and perform a small repair? I live in
> Hayes Valley, and I have a soldering kit at home already (but only
> Elmer's glue... maybe I should get a hot glue gun). I can pay
> something reasonable if applicable.
> On Thu, Nov 21, 2013 at 12:06 PM, jim <jim at well.com> wrote:
> Are you willing to take the thing
> apart to the extent that you risk
> ultimate repair?
> I'm willing to come to where it
> is, and would gladly share inspection
> with others who may be interested.
> Without knowing, the problems
> likely involve a diode bridge, a
> storage-filter cap, a resistor.
> It's possible that some part of
> an IC has failed, and to remedy that
> requires replacing the IC (or, more
> creatively, learn how the internal
> circuitry works and determine if
> one can strap new, compensating
> circuitry around the IC, not likely).
> On Thu, 2013-11-21 at 11:05 -0800, Jeffrey Carl Faden wrote:
> > I've got a heavy, 88-key Korg SP-100 digital piano that's
> been sitting
> > in my living room without power for a few years. What I
> > thought was something wrong with its AC adaptor (since
> replaced) is
> > now probably an actual internal problem where it receives
> > I don't want to bring this hulking thing to Noisebridge, so
> > instead looking for recommendations for repairs of this
> > Preferrably some repairperson who could come, take the thing
> > gauge what's wrong, and get replacement parts if necessary.
> > know of a good service? Anyone looking to provide their own
> > Jeffrey
> > _______________________________________________
> > Noisebridge-discuss mailing list
> > Noisebridge-discuss at lists.noisebridge.net
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