Don, I get the same reading at the q4 collector as I do on q5 base - exactly the same.
I guess I will proceed but make a note to future reference if needed. Burke On 3/15/09, Don Wilhelm <w3...@embarqmail.com> wrote: > Burke, > > If Q4 collector is the only point that is less than 10k, that is a > mystery - it should connect directly to the base of Q5 and only to Q5 > base - (and therefore have the same resistance reading). Check again > and make certain both readings are the same. > > The 9.63k ohms *may* be OK, but you should have the same reading at Q4 > collector as you have at Q5 base. > > 73, > Don W3FPR > > Burke Jones wrote: >> Another thing I meant to tell you in the las email. Unrelated to z1. >> >> I did the resistance checks on page 54. All checks out good except for >> Q4 Collector. I am getting 9.63k instead of >10k. Is this a problem? >> If so where should I look. >> >> Burke Jones >> Sent from my iPhone >> >> On Mar 14, 2009, at 7:37 PM, Don Wilhelm <w3...@embarqmail.com> wrote: >> >> >>> Burke, >>> >>> Yes, you can test the encoder and its circuit to the microprocessor >>> with a DMM. >>> Measure the voltage from the encoder pins as you slowly rotate the >>> encoder shaft. The outer two pins in the row of 3 are the ones to >>> measure. As you rotate the shaft, the voltage should jump between >>> zero volts and something close to 5 volts. If it does not go to >>> zero, there is a problem with the encoder. >>> If the voltage does not go up to the vicinity of 5 volts, look >>> carefully at RP3 and U1 pins 3 and 4. >>> >>> If that does not reveal a problem, I can give you some resistance >>> checks to make too. >>> >>> 73, >>> Don W3FPR >>> >>> Burke Jones wrote: >>> >>>> I am almost done with my KX1. During each test section I have >>>> noticed that there seems to be a problem. Sometimes turning Z1 >>>> changes the frequency display but sometimes when you turn it the >>>> last 2 digits on the display just go back and fourth - like from 1 >>>> to 2 then 1 then 2. >>>> >>>> I have triple checked the solder connections at Z1. >>>> >>>> I am trying to figure out if I might have a faulty Z1 encoder. Can >>>> anyone tell me how I could use my DMM to test directly at the >>>> "leads" of the Z1? If so which leads and what should I look for? >>>> >>>> Thanks for all your help!! >>>> >>>> Burke Jones >>>> N0HYD >>>> Http://www.n0hyd.com >>>> >>>> Sent from my iPhone >>>> ______________________________________________________________ >>>> 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 >>>> --- >>>> --------------------------------------------------------------------- >>>> >>>> >>>> No virus found in this incoming message. >>>> Checked by AVG - www.avg.com Version: 8.0.237 / Virus Database: >>>> 270.11.13/2001 >>>> - Release Date: 03/14/09 06:54:00 >>>> >>>> >>>> >> ______________________________________________________________ >> 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 >> ------------------------------------------------------------------------ >> >> >> No virus found in this incoming message. >> Checked by AVG - www.avg.com >> Version: 8.0.237 / Virus Database: 270.11.13/2001 - Release Date: 03/14/09 >> 06:54:00 >> >> > ______________________________________________________________ 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
