Denny, Tell us more - what band, and what rf voltage are you reading at the Transmit mixer output (pin 4) How about th DC voltages?
73. Don W3FPR On 2/29/2012 10:04 PM, Dennis Rayfield wrote: > I've build an RF Probe, and worked through the transmitter signal tracing > section. All of the voltages are within range until I get to the band-pass > filter. I'm just reading .07 volts rather than the 0.5-1.0 that it should > read. I have the 4 band module (40, 30, 20, 15) and the relays click when I > change the bands. > > Thanks for any help. > > 73, > > Denny - KI3F > > > > On Feb 28, 2012, at 10:12 PM, Don Wilhelm<w3...@embarqmail.com> wrote: > >> Dennis, >> >> It sounds like you need to turn the manual to the Transmit Signal Tracing >> section in the back of the manual. >> Once you isolate the failure to a specific stage, we can help you isolate to >> the component level. >> Right now, all we can say is that there is a problem somewhere in the >> transmit path. >> You might want to check for soldering problems, unsoldered components or >> those where the solder did not flow out adequately onto both the component >> lead and the thru-plated hole. Re-flow the soldering with a hot soldering >> iron - 750 degF if you used leaded solder, 800 degF if you used unleaded >> solder. >> >> 73, >> Don W3FPR >> >> On 2/28/2012 9:58 PM, Dennis Rayfield wrote: >>> I'm building a K1 and have everything finished and am at the stage for >>> transmitter alignment and test. I use the out menu to set the output to 3 >>> watts, but when I put it into tune mode it immediately shows P0.1 on the >>> display and there is no power out. When I take it out of tune and go back >>> to the out menu, that still shows 3 watts. >>> >>> Any suggestions where I should start with this? >>> >>> Thanks for any suggestions. >>> >>> > ______________________________________________________________ > 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
