CB1 is OK, voltage is available after the breaker. 7R standby: 6 V / TUNE: 0,2 V 7T standby: 0 V / TUNE: 6 V
73s Chris Am 25.03.2021 um 06:45 schrieb Harald Fritzsche: > Hello Chris, all, > > According to your current consumption the 10w PA driver is working, but KPA3 > gets no input or has not 12V. > Check CB1 CKT BKR (KPA3 page 1 of 2 in K3 schematics) and check if TR-Switch > gets plausible voltages (KPA3 page 2 of 2, 7R and 7T). > > Since there is no plausible idle current from KPA3 the CB1 seems to be > defect, most likely. > Not sure if this can happen. > Or give me a call, # sent separetly. > Vy73 > Harald > DD0VS > > .-.-. --... ...-- -.. -.. ----- ...- ... > >> Am 25.03.2021 um 05:35 schrieb Christian Janssen DL1MGB <ch...@dl1mgb.com>: >> >> I am not sure if there is a frequency shown when in TUNE mode. My memories >> tell me that the top line shows the SWR and the bottom line shows the power. >> >> 73s Chris >> >> >> >>> Am 24.03.2021 um 21:32 schrieb Harald Fritzsche (DD0VS): >>> Hello Chris, >>> >>> >>> >>> strange is, that your Display does not show a frequency, but it should. >>> >>> >>> >>> I had a water Intrusion in 2019 which causes several defects. >>> >>> I was testing along the Signal path to see the Signal (with RSP-spectrum >>> analyzer), that helped me, to find the defects. It tooks a while also with >>> help of the list here. >>> >>> >>> >>> Receiving is working? >>> >>> >>> >>> Vy73 & GL >>> >>> Harald >>> >>> DD0VS >>> >>> >>> >>> >>> >>> >>> >>> Gesendet von Mail <https://go.microsoft.com/fwlink/?LinkId=550986> für >>> Windows 10 >>> >>> >>> >>> *Von: *Christian Janssen DL1MGB <mailto:ch...@dl1mgb.com> >>> *Gesendet: *Mittwoch, 24. März 2021 21:05 >>> *An: *elecraft@mailman.qth.net <mailto:elecraft@mailman.qth.net> >>> *Betreff: *[Elecraft] K3 - no output power >>> >>> >>> >>> Hello, >>> >>> >>> >>> it happened during the Russian DX Contest last Saturday, from one second to >>> another. No output. When I tune the display looks like this: >>> http://dl1mgb.com/temp/k3_no_power.jpg >>> >>> >>> >>> Following conditions: >>> >>> >>> >>> - sending into a 50 ohm dummy load >>> >>> - no matter how many watts are set with PWR knob >>> >>> - Test mode off >>> >>> - TX INH off >>> >>> - all driver transistors working (three screw test) >>> >>> - no output power also on external watt meter >>> >>> - happens on all bands >>> >>> - happens with KPA set to "not inst" >>> >>> - knocking on housing doesn't change anything >>> >>> - when starting the antenna tuner, it says 5.0 watts, but no output on the >>> external watt meter >>> >>> >>> >>> I am running out of ideas :-) >>> >>> >>> >>> 73s Chris DL1MGB >>> >>> ______________________________________________________________ >>> >>> 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 >>> >>> Message delivered to dd...@gmx.de >>> >>> >>> >> ______________________________________________________________ >> 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 >> Message delivered to dd...@gmx.de > ______________________________________________________________ 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 Message delivered to arch...@mail-archive.com
