Re: [AH] SH-101 slider replacements

From Andrew Horton
Sent Wed, Jun 27th 2018, 16:57

How do you avoid damaging them?

On Wed, Jun 27, 2018 at 12:38 PM Kenny Balys <xxxxx@xxxxxxxx.xxx> wrote:
>
>
> Thats a really good point about the circuit boards.
>
> They damage far too easily so its really not an ideal first timer job.
>
> On 27.06.18 15:51 , DJ Maytag wrote:
> > Do you have an old piece of junk to experiment with? I=E2=80=99d try th=
at first, as I
> > did with a synth that was pretty far beyond repair and then moved on to
> > another synth I got fairly cheaply (Moog MG-1) and fixed that thing up =
quite
> > nicely to get it ready for sale. That was more reassuring to work on, k=
nowing
> > I got it cheap and if I totally screwed it up, I wouldn=E2=80=99t be ou=
t much beyond
> > that parts I bought to fix it up.
> >
> > That said, the SH-101 PCB=E2=80=99s are FAR worse than the MG-1=E2=80=
=99s, so you do have to
> > be VERY careful with them. They=E2=80=99re basically layers of paper an=
d a thin payer
> > of conductive material on top of that. If you=E2=80=99re not careful, y=
ou could lose
> > a solder pad or ten!
> >
> > I don=E2=80=99t really trust solder suckers to really do the job, so I =
invested in a
> > bunch of rolls of solder wick. That way you can be pretty sure you=E2=
=80=99ve soaked
> > up all the solder with the wick, at the expense of time (it=E2=80=99s f=
ar slower to
> > wick up solder than to use a sucker). I only accidentally lost one sold=
er pad
> > and was able to add a short jumper wire to the release slider from anot=
her
> > point on the PCB.
> >
> > That=E2=80=99s just my preference though.
> >
> >
> >
> >
> >> On Jun 27, 2018, at 10:36 AM, A. Horton <xxxxxx.xxxxxx@xxxxx.xxx> wrot=
e:
> >>
> >> Do you have any tips or guides for how to desolder and replace the old
> >> slider? It's my first real repair like this. On Wed, Jun 27, 2018 at 1=
1:32
> >> AM DJ Maytag <xxxxxxxx@xxxxxxxx.xxx> wrote:
> >>>
> >>> +1 on Syntaur, but make sure to also get replacement slider caps at t=
he
> >>> same time. My original caps don=E2=80=99t stay on the new sliders ver=
y well. I=E2=80=99m
> >>> sure there=E2=80=99s an easy solution to that though.
> >>>
> >>> Anyway, I bought a full set last fall and finally got around to repla=
cing
> >>> all of the sliders and pots a few weeks ago. It=E2=80=99s also a VERY=
 good idea
> >>> to replace the power inlet and power switch while you are at it. I th=
ink
> >>> there was another part or two I replaced beyond Syntaur=E2=80=99s 101=
 Service
> >>> Kit.
> >>>
> >>> As an improvement, to its sound, Tubbetec recommends adding an extra
> >>> ground wire from the D/A chip to the power inlet ground. It adds a TO=
N of
> >>> noise, and adding an extra heavy ground wire reduces the noise floor
> >>> significantly.
> >>>
> >>>
> >>>
> >>>
> >>>> On Jun 27, 2018, at 9:54 AM, A. Horton <xxxxxx.xxxxxx@xxxxx.xxx>
> >>>> wrote:
> >>>>
> >>>> I'm finally getting into servicing my own gear - where's the best pl=
ace
> >>>> to pick vintage spare parts like this?
> >>>
> >