I assume they are electrolytics and therefore polarised? Make sure they are in the right way - or bang!
On Fri, 17 Feb 2006 15:38:26 -0800, Dave Hwang wrote > On Fri, 2006-02-17 at 14:50, Paul Matthews wrote: > > Hi, > > I know from earlier posts that Sun Ray 1 model numbers 380-0299-06 and > > below had problems - I think to do with capacitors. I've been offered > > some with model number 380-0299 and no prefix. Should I assume these are > > the very first ones and hence to be avoided > > The capacitor problem (if it's the same one I'm remembering), is > easy to fix, and there's not really a need to avoid getting these. > Actually, it's an incentive to pick up some "broken" ones. > > The problem I remember is that there are some large electrolytic caps > next to some heat sinks on the power supply board. As there is no > fan in the chassis, these caps can tend to get a little "cooked". > > If the cap has failed, the SunRay won't power on (the LED might be > lit amber, I don't remember). If you open it up, you'll notice one > of the large caps with a bulge on the top (if not broken open). The capacitor > is supposed to be cylindrical with a flat top. > > In order to fix it, you'll need to unsolder the cap and replace it with > one rated for a higher temperature. Typically, commercial components > might be rated for 0-70C. You'll want to replace them with something > rated up to 85C. I picked up some of those cheap here in Sunnyvale at > Halted to fix a couple of broken units myself. > > So if you are handy with a soldering iron, there's no need for you to > avoid these early models. > > Hope this helps. > > Dave > > _______________________________________________ > SunRay-Users mailing list > [email protected] > http://www.filibeto.org/mailman/listinfo/sunray-users -- Incarta Tel: 1300 137 557 Fax: 03 9729 4377 _______________________________________________ SunRay-Users mailing list [email protected] http://www.filibeto.org/mailman/listinfo/sunray-users
