Hello Guy, No, i would never do that! :-)
A friend told me that it may be the PIN diode, probably blown by static discharge while swapping antennas. But he wasn't sure. I intend to do some diagnosis tomorrow afternoon when i should have some free time. 73, Deepak VU2CDP PS: this one was put through the grind right after assembly in an expedition (VU4KV) and has never given any problems until now. On Fri, Jul 31, 2015 at 11:16 PM, Guy Olinger K2AV <[email protected]> wrote: > Are you switching in the KPA500 with the transceiver in TX and key down > and power output? That will destroy relay contacts in the KPA500. > > 73, Guy K2AV > > > On Friday, July 31, 2015, Deepak VU2CDP <[email protected]> wrote: > >> Hi all, >> >> Using KPA-500 with an FT 2k. All was well until last weekend when suddenly >> the rig shows high SWR when i put the amp in OPER mode. The SWR checks out >> fine on the rig's in-built meter when the amp is in STBY mode. But cannot >> get the rig to key the amp as the needle on the rig's meter swings wildly >> to the right the moment i put the amp in Operate. >> >> I saw a couple of posts in the archives similar to mine but could't find >> any solutions from them. Can anyone help in identifying the cause of such >> behaviour and the fix? >> >> 73, >> Deepak VU2CDP >> ______________________________________________________________ >> Elecraft mailing list >> Home: http://mailman.qth.net/mailman/listinfo/elecraft >> Help: http://mailman.qth.net/mmfaq.htm >> Post: mailto:[email protected] >> >> This list hosted by: http://www.qsl.net >> Please help support this email list: http://www.qsl.net/donate.html >> Message delivered to [email protected] >> > > > -- > Sent via Gmail Mobile on my iPhone > ______________________________________________________________ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm Post: mailto:[email protected] This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html Message delivered to [email protected]
