Re: [Elecraft] K3 - KEY OUT problem

2019-12-29 Thread M. George
Bob N7WY motivated me to provide a few more details on the KEY OUT mosfet/Q3/IRFI630 replacement. I took the bottom off my K3 to show the location of the IRFI630 on the bottom of the PCB. It was a little more tricky than I remembered, so you will need to access the main PCB from the top of the

Re: [Elecraft] K3 - KEY OUT problem

2019-12-28 Thread donovanf
- Original Message - From: donov...@starpower.net To: elecraft@mailman.qth.net Sent: Saturday, December 28, 2019 4:43:05 PM Subject: Re: [Elecraft] K3 - KEY OUT problem Hi Pete, Perhaps more important: how did this unusual failure occur? Unless you can figure this out with a reasonable

Re: [Elecraft] K3 - KEY OUT problem

2019-12-28 Thread donovanf
: "N4ZR" To: "Elecraft List" Sent: Saturday, December 28, 2019 3:57:01 PM Subject: [Elecraft] K3 - KEY OUT problem Thanks to everyone who responded. I've now written to Elecraft Support, and anticipate that it will have to go back to the mother ship. -- 73, Pete N4ZR C

[Elecraft] K3 - KEY OUT problem

2019-12-28 Thread N4ZR
Thanks to everyone who responded.  I've now written to Elecraft Support, and anticipate that it will have to go back to the mother ship. -- 73, Pete N4ZR Check out the Reverse Beacon Network at , now spotting RTTY activity worldwide. For spots, please use your

Re: [Elecraft] K3 Key Out Problem

2016-09-06 Thread Don Wilhelm
Gerry, What are you using to measure the KEYOUT line? In CW, it will follow the QSK keying. so it will be a series of fast pulses. If you are trying to measure with an ohmmeter (or voltmeter), it may not respond fast enough to see it on the meter. The fact that it works when you key the

[Elecraft] K3 Key Out Problem

2016-09-06 Thread Gerry Villhauer
I have had my K3 for a couple years now. Had a Flex 5000 prior. Love the K3 but discovered a problem. I recently got a receiving loop antenna an connected the keyoutput from the K3 to shut the power off to the loop when transmitting. On SSB in works fine when the mic is keyed. When operating