Thank you for this information, I will try it :)
On Thu, Feb 15, 2018 at 10:11:31AM +0100, Paride Legovini wrote: > A few months ago I bought myself a bargain net6501 off ebay to be used > as home router. It was working flawlessly with OPNsense, but at some > point after a reboot it was stuck with the infamous RLOD this list knows > very well. The symptoms were the classical ones for bad capacitors: > > - random failure to reach POST; > - works by retrying several times; > - works after several hours unplugged; > - degenerative problem. > > To a visual inspection all the caps appeared in good conditions, > nevertheless I bought a full set of caps (the electrolytic ones, > included the "solid state" polymer electrolytics). > > Yesterday night I began to replace them, starting from the usual > suspects: the two 35V 150uF electrolytics between the inductors, near > the power connector. After replacing them I tested the board and, guess > what, now it never fails to boot. Fixed! > > The capacitance of the two caps I removed is about 155uF, so well within > the specs. They probably dried out and the ESR rose. > > This is the exact model I bought: > > http://deb.li/DXm1 > > Note the very long working life (7000 hours, quite long for this type of > component). It is probably possible to replace them with better > polymeric e-caps, but I chose to buy components as similar as possible > to the original ones. If you experiment, let me know. > > Replacing those caps is not difficult, but the solder is the classical > lead-free, high melting point you find on RoHS hardware. > > I you have dead net6501s around, I think it's worth trying. I you are > not going to try, please send them to me :) > > Good luck! > > Paride > _______________________________________________ > Soekris-tech mailing list > Soekris-tech@lists.soekris.com > http://lists.soekris.com/mailman/listinfo/soekris-tech _______________________________________________ Soekris-tech mailing list Soekris-tech@lists.soekris.com http://lists.soekris.com/mailman/listinfo/soekris-tech
