never, EVER use a drill. add more solder and keep heating the corroded solder, it will eventually melt and mix with new solder.
using a drill will destroy the board. Enviado do meu Tele-Movel On Tue, Aug 28, 2018, 03:38 Marvin Johnston via cctalk < cctalk@classiccmp.org> wrote: > Since I have at least four Model 100 and HX-20s, I've decided to just > replace all the aluminum electrolytics before repair becomes much more > difficult. So far, I see the project as fairly easy depending on how bad > the corrosion from the leaking caps is. > > Is anyone interested in buying a kit or two of the capacitors? I'm > guessing buying the parts from DigiKey at low quantity prices will > result in about $3.50 or so for the bag of about 13 capacitors. US > postage will probably run a couple of dollars or so, but I can also > bring them with me to VCFMW. I'll be ordering what I need unless I hear > others might want the kits as well. > > On a similar topic, has anyone given up on cleaning out the corroded > plated-Thru-Holes, and just soldered on some SMD caps? If so, how did it > work out? > > Finally, just some observations on the corrosion. I finally found some > information about the corrosion caused by leaking aluminum caps. It > sounds like the leaking fluid, besides possibly damaging the copper > traces, also does something to the solder in the PTH such that a > soldering iron won't melt the solder. Right now, the solder doesn't want > to melt so I will use a pin vise and about a number 62 drill or so to > hand drill out the PTH solder. >
