How old is your PS? 73, Bill K9YEQ
https://wrj-tech.com/ -----Original Message----- From: elecraft-boun...@mailman.qth.net <elecraft-boun...@mailman.qth.net> On Behalf Of Fred Jensen Sent: Monday, February 25, 2019 4:52 PM To: elecraft@mailman.qth.net Subject: Re: [Elecraft] OT: Astron linear PS regulation issues I've given up on Astron despite the fact that many people say they never have troubles. Apparently, Astron does not have a supplier for inside star washers for screw/bolt connectors, I've found almost crumbly, crystallized cold solder joints on the point-to-point wiring terminals [in one case, it wasn't soldered at all], and often the case is not bonded well [or at all] due to paint and/or no star washers. These are all basic steps in quality electronic construction, there's just no excuse for it. 73, Fred ["Skip"] K6DGW Sparks NV DM09dn Washoe County On 2/25/2019 2:26 PM, Rose wrote: > I've found instances of regulation failures caused by loose hardware. > In particular the nuts atop the filter caps that hold the regulator PC > board loosen and simply tightening then will cure the issue. This > appears to be caused by compression of the PC board material …"cold > flow" to some readers. > > There are several other common failures of this series of PS's, but > this one is perhaps the most prevalent. > > While you have the cover off, check for paint under the lug on the > green power cord wire … > > 73! > > Len Kopp- K0PP > ______________________________________________________________ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm Post: mailto:Elecraft@mailman.qth.net This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html ______________________________________________________________ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm Post: mailto:Elecraft@mailman.qth.net This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html
