I decided against recapping my m100 myself. On Sun, 19 May 2024 at 17:03, Brian K. White <[email protected]> wrote:
> One simple thing is just the memory battery needs to charge before the > machine works. If it's been turned off a long time, then the memory > battery needs to charge up for a few hours first. Or at least say 30 > minutes though that may not be enough. It charges any time it's plugged > in to the wall whether turned on or off, or any time there are new AA's > installed, tuned on or off. > > And of course, if it's not a new replacement battery along with the > recap, then maybe it's just dead, and that will keep the machine dead. > > Though of course, since you did that much invasive work, it is obviously > possible you introduced a short somewhere or installed a polarized cap > backwards. > > -- > bkw > > > On 5/19/24 19:33, Jim Williams wrote: > > I recapped my two M100s. > > > > The first one required some flux-cleaning and then worked fine. So I put > > it on its shelf, and recapped the second one. > > After, the second one was completely dead; no battery light, no sign of > > life whatsoever. > > I took it apart again and thoroughly cleaned it with alcohol because I'd > > been told that excessive flux could be an issue. > > I also checked all the capacitors and the battery to ensure that they > > were all soldered properly. They all appear to be so. > > > > After reassembly, it was still just as dead. > > So I returned to my first M100, intending to install a RexCPM into it. > > Before doing so, I flipped it on, and the low battery light came on... > > and nothing else. > > I replaced the batteries with new ones... and all that happened was the > > low battery light flickered as I turned it off. > > I adjusted the contast knob, just in case it was something that simple, > > but to no avail. > > > > So I put it back on its shelf to deal with another day, saddened that I > > now have no functioning M100s; that I killed them. > > A few hours later I took it off the shelf... still the battery light > > flicker, but, I accidentally pressed several of the keys. > > Whenever I press a key, I get a beep. > > > > Can anyone with more experience advise me on how to further investigate > > what could be wrong with my machines? At this point, I'll settle for one > > working. > > > > -- > bkw > >
