Hi Doug- Quite a ways behind you at #136. I don't know if they've worked the insulator into production or if it's a do-it-if-it-needs-it kind of fix.
Bruce, NM5B > Hi, > Which serial #? I have #22 and had the same problem. I took it to > Aptos and it seems to be fixed. > > 73, doug > > From: "Bruce Bowman" <[EMAIL PROTECTED]> > Date: Mon, 10 Mar 2008 14:16:26 -0600 > > Hi Stewart- > > Like you, I had a problem with my K3 going dead. Unlike you, I > bought a > factory-built unit. I did that because I wanted to know it was > working > properly from the start. That turned out to be one of those things > that > sounds like a good idea but doesn't withstand close scrutiny. > > What I saw initially was an occasional error message (ERR PL1) when > switching to another band, then the audio would decay to nothing > over a > 2 second period. Sometimes I could get it to recover by chnaging > bands, > sometimes not. > > Since it was factory built, they had me return my K3. They found the > TCXO3-1 oscillator was grounding occasionally. The oscillator would > continue to operate, but grounding it (the case? some component? > dunno) > caused the frequency to be pulled about 20 KHz and the receiver > would > die. They replaced the oscillator (probably unnecessary), added an > insulator and re-ran VCO calibration. It's been rock-solid ever > since. > > Bruce, NM5B > Santa Fe, NM > > ----- Original Message ----- > From: "Stewart Baker" <[EMAIL PROTECTED]> > To: "AB7R" <[EMAIL PROTECTED]>; "Elecraft Reflector" > <[email protected]> > Sent: Monday, March 10, 2008 5:33 AM > Subject: RE: [Elecraft] K3 - RX Problem after latest firmware update > > > Greg, > Have re-installed V1.75 & V1.57 again, no change. > > Here is a sequence which you might like to try:- > > POWER > 80m LSB 3780 > NORM > LO CUT=0.15 > SAV ALT1 > NORM > TX ON/OFF > ALT1 > TX ON/OFF > Receive may be dead at this point > > If not continue with > Select USB > ALT1 > TX ON/OFF > Receive dead > > Switching bands, modes or NORM always restores receiver. > > I do (from my point of view) hope that I am not the only one with > this funny.. > > 73 > Stewart G3RXQ > > On Sun, 9 Mar 2008 12:30:15 -0700, AB7R wrote: > > Stewart, > > > > Try installing the new firmware again. I just tried to recreate > your report > > and the radio performs as expected...no problem with RX after a > transmit > > with ALT1 set to 0.15 on the LO side. > > > > 73 > > Greg > > AB7R > > > > > > -----Original Message----- > > From: [EMAIL PROTECTED] > > [mailto:[EMAIL PROTECTED] Behalf Of Stewart > Baker > > Sent: Sunday, March 09, 2008 11:32 AM > > To: Elecraft Reflector > > Subject: [Elecraft] K3 - RX Problem after latest firmware update > > > > > > I am not sure if there is an obscure problem after the latest > MCU > > and DSP update. Maybe others could check and see if it happens > to > > them ? > > > > Any band on SSB if I have the DSP set to ALT1 with the Low Cut > set > > at 0.15 Hz , then after going onto transmit the receiver appears > > to be dead. If I set the DSP to NORM by pressing the knob the > > receiver suddenly bursts into life... > > This happens whether there is any transmit audio or RF out. > > > > 73 > > Stewart G3RXQ > > _______________________________________________ > > Elecraft mailing list > > Post to: [email protected] > > You must be a subscriber to post to the list. > > Subscriber Info (Addr. Change, sub, unsub etc.): > > http://mailman.qth.net/mailman/listinfo/elecraft > > > > Help: http://mailman.qth.net/subscribers.htm > > Elecraft web page: http://www.elecraft.com > > No virus found in this incoming message. > > Checked by AVG. > > Version: 7.5.518 / Virus Database: 269.21.7/1322 - Release Date: > 3/9/2008 > > 12:17 PM > > > > No virus found in this outgoing message. > > Checked by AVG. > > Version: 7.5.518 / Virus Database: 269.21.7/1322 - Release Date: > 3/9/2008 > > 12:17 PM > > > _______________________________________________ > Elecraft mailing list > Post to: [email protected] > You must be a subscriber to post to the list. > Subscriber Info (Addr. Change, sub, unsub etc.): > http://mailman.qth.net/mailman/listinfo/elecraft > > Help: http://mailman.qth.net/subscribers.htm > Elecraft web page: http://www.elecraft.com > > > _______________________________________________ > Elecraft mailing list > Post to: [email protected] > You must be a subscriber to post to the list. > Subscriber Info (Addr. Change, sub, unsub etc.): > http://mailman.qth.net/mailman/listinfo/elecraft > > Help: http://mailman.qth.net/subscribers.htm > Elecraft web page: http://www.elecraft.com > > _______________________________________________ Elecraft mailing list Post to: [email protected] You must be a subscriber to post to the list. Subscriber Info (Addr. Change, sub, unsub etc.): http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/subscribers.htm Elecraft web page: http://www.elecraft.com
