K2 - Info 232
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Hello there
Name here is Peder, SM0GNS. I have now started building my K2 (s/n 7234) but have run into some problems. I am in the process of doing the PLL calibration but I receive the INFO 232 when having the VFO at 7.000. I need to put the VFO at 7.1 MHz before I can start the CAL PLL without the 232-error, but the frequency does not change as it should do. According to the manual, the VCO fq should decrease through a range of 10-13 kHz. Even after about 30 minutes nothing have happend. When measuring at TP1 with my scope, I get 2.3V p-p and the fq is 11913.0 kHz at 7.0 MHz. I have checked all components around the VCO and the three relays, and all seems to be OK. Anybody have any clue on how to proceed? Best regards Peder, SM0GNS ______________________________________________________________ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm Post: mailto:[hidden email] This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html |
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Hi All
I recentley aquired a complete battery kit for the K2 off of Ebay. The kit had been purchased by the seller but never built and came complete with the Powersonic PS-1229 battery. Now here's the rub. The battery must have been sat for sometime and now refuses to charge. After 16hrs of charge the PD across the terminals is 10.5Volt and when the K2 is switched on the terminal voltage drops to about 3.5Volt. I have charged it from a PSU supplying 14.1Volt. I'm trying to find a supplier in the UK as I expect shipping from Elecraft direct will be a bit high, my order last week for a speaker and some screws notched up a whopping $28 shipping bill. The likes of RS have it listed but discontinued and I expect Powersonic UK will only be interested in multiple orders, I have emailed them anyway. I know that there are cheaper Yuasa NP2.1-12 (2.1Ah) batteries but these are apparently spec'd for standby use for Alarm units and such, other than that the largest capacity I can find is 2.3Ah. Would the 0.6Ah difference make a difference?? If anyone in the UK uses their K2 with an internal battery what would your recommendations be. Regards Nidge (G0NIG) IO93dv ______________________________________________________________ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm Post: mailto:[hidden email] This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html |
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Nidge,
I don't have the K2 anymore, but still have the battery. It's a Yuasa NP2.3-12, and, as you say, it's really intended for standby use. I had a long chat with a fellow from the UK company I bought it from (sorry, I can't remember the details), and he told me that he was using the same battery in a relatively deep cycle application with no ill effects on storage capacity. And that indeed, is what I have found here. That's not to say that a battery designed for deep cycle applications wouldn't be better, but at what price? My SLA here has been hit hard on many occasions and is still working well after 3 years of use. Obviously if you compare it with a battery of a greater capacity, then it won't last quite so long. I suppose it just depends upon how critical it is that you don't run out of juice. 73, Stephen G4SJP On 7 November 2011 21:19, Nigel (Nidge) Smith <[hidden email]> wrote: > Hi All > > I recentley aquired a complete battery kit for the K2 off of Ebay. > The kit had been purchased by the seller but never built and came > complete with the Powersonic PS-1229 battery. > > Now here's the rub. The battery must have been sat for sometime > and now refuses to charge. After 16hrs of charge the PD across the > terminals is 10.5Volt and when the K2 is switched on the terminal > voltage drops to about 3.5Volt. I have charged it from a PSU supplying > 14.1Volt. > > I'm trying to find a supplier in the UK as I expect shipping from Elecraft > direct will be a bit high, my order last week for a speaker and some screws > notched up a whopping $28 shipping bill. The likes of RS have it listed > but > discontinued and I expect Powersonic UK will only be interested in multiple > orders, I have emailed them anyway. > > I know that there are cheaper Yuasa NP2.1-12 (2.1Ah) batteries but these > are apparently spec'd for standby use for Alarm units and such, other than > that > the largest capacity I can find is 2.3Ah. Would the 0.6Ah difference make > a difference?? > > If anyone in the UK uses their K2 with an internal battery what would > your recommendations be. > > Regards > > Nidge (G0NIG) > > IO93dv > > ______________________________________________________________ > Elecraft mailing list > Home: http://mailman.qth.net/mailman/listinfo/elecraft > Help: http://mailman.qth.net/mmfaq.htm > Post: mailto:[hidden email] > > 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:[hidden email] This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html |
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In reply to this post by Nidge_(G0NIG)
Nidge - I have recently bought a Power-Sonic PS1221 12V 2.1Ah battery
from www.battery-force.co.uk It is physically the same size as the PS1229 but of lower Ah. It works perfectly in my K2. It will cost you 15.44 including vat and P&P. 73 de David G4DMP In a recent message, "Nigel (Nidge) Smith" <[hidden email]> writes >I'm trying to find a supplier in the UK as I expect shipping from Elecraft >direct will be a bit high, my order last week for a speaker and some screws >notched up a whopping $28 shipping bill. The likes of RS have it listed but >discontinued and I expect Powersonic UK will only be interested in multiple >orders, I have emailed them anyway. > >I know that there are cheaper Yuasa NP2.1-12 (2.1Ah) batteries but these >are apparently spec'd for standby use for Alarm units and such, other than >that >the largest capacity I can find is 2.3Ah. Would the 0.6Ah difference make >a difference?? > >If anyone in the UK uses their K2 with an internal battery what would >your recommendations be. + - - - - - - - - - - - - - - - - + | David M Pratt, Kippax, Leeds. | | Website: http://www.g4dmp.co.uk | + - - - - - - - - - - - - - - - - + ______________________________________________________________ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm Post: mailto:[hidden email] This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html |
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Hi David and Stephen
Thanks very much for the replies to my enquiry and I've followed the advice from both of you and got a slightly lower capacity battery (2.3Ah) from an Ebay trade for just under 9GBP+postage (total 13.45GBP) I did get a reply from Powersonic UK who pointed me to one of their distributors but they could only supply the 2.1Ah option. The replacement should arrive tomorrow all being well. Again thanks both. Regards Nidge (G0NIG) IO93dv ______________________________________________________________ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm Post: mailto:[hidden email] This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html |
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