[Elecraft] Blown fuse KPA100

Hi to the group I am in the final phases of finishing my KPA100, version "C" with upgrade kit for "D".version. Manual page 46 (version C manual) External Amplifier Keying Test (PA KEY), right hand column, step 2, "measure ground to Q9 tab. Result as noted in the manual. right hand

[Elecraft] KAT100 Rev E

Hi to the group Can anyone tell me what the KAT100 Rev E entails. Just now I am installing Rev D and E seems to be out already. Thanks for any info. Hank WA9QJH ___ Elecraft mailing list Post to: Elecraft@mailman.qth.net You must be a subscriber

Re: [Elecraft] Repositioning Components soldered too far from PCB

Ron is right in his comments. I'll add a few. When I solder parts I solder one end and check if the part is seated correctly, if not, it is easy to correct. With a small pliers I apply a light pressure to the lead and heat the connection. After it is cooled somewhat the other lead is solde

[Elecraft] KPA100 D13

Hi to the group I am working on a KPA100, page 43 manual, here the KPA is connected to the K2 with the ribbon cable, power to the K2 but NO power connected to the KPA100. page 43 list a series of voltage tests ""ground to test point". my problem is with D13. I do not get any voltage at D13 ban

[Elecraft] KPA100 low resistance on Q1 / Q2

Hi to the group I completed my K2 and now am building the KPA 100. Manual Rev C, Feb 2004. On page 41, "Alignment and Installation" Resistance measurements are made between ground and test point. J3, Q1 Collector, Q2 collector, and Q9 tab are all within the the spec,s as listed in the tabl

[Elecraft] KPA100 Initial test problem

Hi I just completed my K2 and working on the KPA100. I am having some problems with the initial tests. Manual has revision D included as a correction sheet. Page 20 of manual has list of resistance points to be measured. All points are within tolerances. Firmware of K2 is 2.04P Page 23 asks

[Elecraft] K160RX alignment question

My construction of the K2 is progressing, SSB and noise limiter are installed and I installed the 160 M module this afternoon. Just after sunset the 160 meter band was full of activity. I have a concern about the 160 meter alignment. Manual page 9. step 2. Set VFO for 1800.10 kHz Select CAL P

[Elecraft] low audio on SSB

Hi to all. Thanks for all the hints and suggestions. The unit works fine now. One of Don's, W3FPR, suggestions was to check for shorts between coils and the crystal cases with a piece of paper. It worked and signals are now load and clear. Thanks for the help, the reflector is an education by

[Elecraft] k2 low audio on SSB

Hi to the group I am constructing a K2, 5669 and just installed the KSB2 mod. All alignment tests for the K2 and the KSB2 where as noted in the manuals. I have however one cause for concern. The Audio is low. I have to turn the AF gain to fully clockwise to hear stations. Before I install

[Elecraft] OT 50 years

Congrats to Vic with 50 years, a golden year. I still have a few years left before 50. Got my license in 1962, KN7TPC, subsequently WA8MSG and since 1965 WA9QJH. My first rig was a Heath DX60 and HR10. So with the K2 rig building continues. Glad the Elecraft guys keep coming out with super

Re: [Elecraft] VCO Alignment

Hi Had a similar problem. Building K2 5669, check U4 carefully, cold solder joints etc. Check your Q in the center front of the board. I am not at my hamshack but will look tomorrow which Q could be the problem. In my case it was U4. good luck Hank WA9QJH On 24, Sep 2006, at 19:49, Jim B

[Elecraft] Technical asst request for K2, serial #5669

Hi I am constructing a K2, serial #5669 and having a problem. Input voltage 13.2 VDC Alignment test Part IIPage 60 manual 4 Mhz Osc Cal worked fine. freq was 12098.81 PLL Ref Osc Range Test Also OK Ref high freq 12098.78 ref low freq 12084.95 range 13.83 VCO Test