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? > >>> > >