Re: [Elecraft] K2 AGC Off Problem

2006-05-21 Thread Nick Waterman
Thanks for the message. A 10 pf at C8 did the trick. The receiver is now working properly in AGC off mode. Think that's at least 5 or 6 of us on the reflector have had this issue, and this easy fix, so far. Does it deserve a builder alert on the website yet? For anyone else: If you are seeing

Re: [Elecraft] K2 AGC Off Problem

2006-05-21 Thread Geoffrey Mackenzie-Kennedy
Waterman [EMAIL PROTECTED] To: elecraft@mailman.qth.net; [EMAIL PROTECTED] Cc: [EMAIL PROTECTED] Sent: Sunday, May 21, 2006 9:36 AM Subject: Re: [Elecraft] K2 AGC Off Problem Thanks for the message. A 10 pf at C8 did the trick. The receiver is now working properly in AGC off mode. Think that's

[Elecraft] K2 AGC Off Problem

2006-05-20 Thread Darrell Bellerive
Just finished alignment and test, part II of K2 #5093. All seems to be working as it should, except for the AGC off function. This problems appears to be the same as a few others have had, the cause of which was a bad 5.068 MHz crystal (X1). Perhaps I have the same problem. When the AGC is

RE: [Elecraft] K2 AGC Off Problem

2006-05-20 Thread Ken K3IU
@mailman.qth.net Subject: [Elecraft] K2 AGC Off Problem Just finished alignment and test, part II of K2 #5093. All seems to be working as it should, except for the AGC off function. This problems appears to be the same as a few others have had, the cause of which was a bad 5.068 MHz crystal (X1). Perhaps I

Re: [Elecraft] K2 AGC Off Problem

2006-05-20 Thread Darrell Bellerive
: [Elecraft] K2 AGC Off Problem Just finished alignment and test, part II of K2 #5093. All seems to be working as it should, except for the AGC off function. This problems appears to be the same as a few others have had, the cause of which was a bad 5.068 MHz crystal (X1). Perhaps I have the same

RE: [Elecraft] K2 AGC Off Problem

2006-05-20 Thread Ron D'Eau Claire
Bellerive Sent: Saturday, May 20, 2006 5:50 PM To: elecraft@mailman.qth.net Subject: Re: [Elecraft] K2 AGC Off Problem Ken, Thanks for the message. A 10 pf at C8 did the trick. The receiver is now working properly in AGC off mode. What are the implications of this substitution? Does changing

[Elecraft] K2 AGC off problem

2006-03-23 Thread Dr. Werner Furlan
hi all, I should have posted this before... I found a related message when searching the archive. The reply was: -- Sounds exactly like the problem I had with 5196. The problem was fixed by replacing X1 on the Control Board. You will probably find that CtrlBd-U2-1 goes to about

Re: [Elecraft] K2 AGC off problem

2006-03-23 Thread Nick Waterman
Dr. Werner Furlan wrote: I should have posted this before... I found a related message when searching the archive. The reply was: -- Sounds exactly like the problem I had with 5196. The problem was fixed by replacing X1 on the Control Board. You will probably find that

Re: [Elecraft] K2 AGC off problem

2006-03-23 Thread Dr. Werner Furlan
hi Nick, Nick Waterman schrieb am 23 Mar 2006 um 9:19: Doing WHAT to the IF amp? Nice typo! :-) well, I should have read the quote before pasting it - anyway, we are probably having the same problem and it shouldn't be a great deal to exchange a Quartz. I wrote a message to support and

RE: [Elecraft] K2 AGC off problem

2006-03-23 Thread Ken K3IU
PROTECTED]; Elecraft support Cc: elecraft@mailman.qth.net Subject: Re: [Elecraft] K2 AGC off problem Dr. Werner Furlan wrote: I should have posted this before... I found a related message when searching the archive. The reply was: -- Sounds exactly like the problem I had

[Elecraft] K2 AGC off problem

2006-03-08 Thread jo benoit
hi elecrafters, I received a new 5.068 Mhz Xtal and replaced the X1 on the control board. The Audio is not muted any more when I turn the AGC off. Thank you Ken K3IU, Bill WU0R, and Gary, Scott and Brian at Elecraft service/parts. 73 de ON5AO K2#5237 joe

Re: [Elecraft] K2 AGC off problem

2006-03-08 Thread jfedison
or did just replacing X1 the first time fix the problem? Also, what value of RP6 is installed on your control board? My RP6 is a 4.7K network. Thanks. Jeff (K2#5210) -Original Message- From: jo benoit Sent: 3/8/2006 8:27:20 AM To: Elecraft@mailman.qth.net Subject: Re: [Elecraft] K2 AGC off

[Elecraft] K2 AGC off problem

2006-03-08 Thread jo benoit
jeff (K2#5210), I only changed the crystal X1, nothing else, and that solved the problem . The value of RP6 is also 4.7 K. 73, joe on5ao K2#5237 you wrote: I have the same problem with my AGC and when I replaced the 5.068MHz X1 the problem remained. I wonder if both crystals are bad or if there

[Elecraft] K2 AGC off problem

2006-02-27 Thread jo benoit
Hi Elecrafters, When I turn the AGC to off pushing pre/att and agc together, the display reads off, but the audio mutes and s-meter goes to maximum . I reheated the solderings on U1 C10 and D2. Voltage on U1 pin 2 is 1.44V when agc slow or fast and 0.52V when agc is off The other side of D2 , the

RE: [Elecraft] K2 AGC off problem

2006-02-27 Thread Ken K3IU
Subject: [Elecraft] K2 AGC off problem Hi Elecrafters, When I turn the AGC to off pushing pre/att and agc together, the display reads off, but the audio mutes and s-meter goes to maximum . I reheated the solderings on U1 C10 and D2. Voltage on U1 pin 2 is 1.44V when agc slow or fast and 0.52V when

RE: [Elecraft] K2 AGC off problem

2006-02-27 Thread Ken K3IU
: Monday, February 27, 2006 1:40 PM To: 'jo benoit'; 'elecraft mailman qth' Subject: RE: [Elecraft] K2 AGC off problem Hi Joe: Sounds exactly like the problem I had with 5196. The problem was fixed by replacing X1 on the Control Board. You will probably find that CtrlBd-U2-1 goes to about 6 volts when