On Sat, 2013-09-28 at 00:34 -0400, staticsafe wrote: > On 9/27/2013 23:13, Ralf Mardorf wrote: > > On Sat, 2013-09-28 at 08:25 +0900, Joel Rees wrote: > >> But the upshot is that capacitors are exposed to higher > >> voltages and/or effective power than they can handle, and get burned, > >> and it is a manufacturing problem, and sometimes an engineering > >> problem. > > > > And sometimes vendors knowingly use undersized capacitors, so that they > > will get burned a while after the period of warranty ended. This is a > > known issue by German consumer centers. I experienced it for the PSU of > > a Behringer mixing console. I was an engineer and can repair it myself, > > or assumed I shouldn't have the needed equipment at home, a friend still > > is working as engineer for a company and can help me. For this > > particular PSU it was easier to do by hot air soldering. Sure, without > > hot air the soldering isn't impossible, but already hard to do for > > experienced engineers and perhaps impossible for averaged people. > > Vendors design things to get broken after warranty period ended and they > > also try to make things irreparable. > > > > > > Yay for planned obsolescence [0]! > > [0] - http://en.wikipedia.org/wiki/Planned_obsolescence
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