[Drakelist] TR7A AM problem

2008-12-01 Thread wctaylor
I've got a TR7A that works good on SSB, but AM transmit is problematic. I have to keep changing the carrier level control to get it to work. I've cleaned the control and aligned the radio, even changed a couple of caps to get the 40mhz oscillator and BFO both "dead on". It also acts different from

Re: [Drakelist] 7 Twins

2008-12-01 Thread Jim Shorney
On Mon, 1 Dec 2008 16:38:46 -0500, Rex wrote: >Seems that in my Tr7/ R7 setup, the R7 receives the same as the Tr7 when the >R7 Preamp is on. When off, the Tr7 receiver is a little hotter. Thanks, Rex, that's good info. Another data point. All of my tests have been done with the preamp off. 73

[Drakelist] 7 Twins

2008-12-01 Thread Rex
Hello Seems that in my Tr7/ R7 setup, the R7 receives the same as the Tr7 when the R7 Preamp is on. When off, the Tr7 receiver is a little hotter. TNX K1PN Rex ___ Drakelist mailing list Drakelist@zerobeat.net http://mailman.zerobeat.net/mailman/listinfo

Re: [Drakelist] 4-NB Adjustment

2008-12-01 Thread Garey Barrell
Roger - Correct. This is to turn the Calibrator "ON" when the receiver is in the "NB" position. 73, Garey - K4OAH Glen Allen, VA Drake 2-B, 4-B, C-Line & TR-4/C Service Supplement CDs res1q6fs wrote: I want to go thru the alignment procedure for the 4-NB as called out in its data sheet

[Drakelist] 4-NB Adjustment

2008-12-01 Thread res1q6fs
I want to go thru the alignment procedure for the 4-NB as called out in its data sheet (page 1). After I have peaked the two variable caps (C3 and C6), the next step is too connect pin 2 of the calibrator socket to ground. Is this referring to pin 2 of the xtal calibrator socket? Regards, Roge

Re: [Drakelist] 7-twins receiving together

2008-12-01 Thread Dave White
I've actually run several pieces of gear through the dishwasher and the results are spectacular! I was nervous the first time around, but now it is becoming commonplace. Here are a few tips that I've learned (in no particular order - and in addition to what's already been written on this): 1.

Re: [Drakelist] 7-twins receiving together

2008-12-01 Thread Jim Shorney
On Mon, 1 Dec 2008 13:28:04 EST, [EMAIL PROTECTED] wrote: > >I've you've got Ron's guts, you'd run it through the dishwasher, hi. If I had a dishwasher I actually did that to an IBM server power supply once. This computer had been in storage and had mice living in it. WOrked fine after it

Re: [Drakelist] 7-twins receiving together

2008-12-01 Thread Jim Shorney
On Mon, 01 Dec 2008 12:34:27 -0600, Jim Shorney wrote: >I once cleaned a disgusting Chaparral satellite receiver mainboard in a >dink with dish soap and water. It came out OK too. That should have read "sink". I'm the dink. 73 -Jim NU0C ___ D

Re: [Drakelist] 7-twins receiving together

2008-12-01 Thread LeeCraner
Jim: I've you've got Ron's guts, you'd run it through the dishwasher, hi. 73 Lee WB6SSW --- No trees were harmed in sending this email, but a whole lot of electrons were terribly inconvenienced. ** Life should be easie

Re: [Drakelist] 7-twins receiving together

2008-12-01 Thread Jim Shorney
On Mon, 01 Dec 2008 11:14:40 -0600, Jim Shorney wrote: > >So, I'm back at it. I will hopefully have another TR7 coming in today >or tomorrow from an estate purchase It's here. Slightly older by serial number than mine. Man, this sucker needs to be steam-cleaned. But the price was right 73

Re: [Drakelist] 7-twins receiving together

2008-12-01 Thread Jim Shorney
Thanks, Ron and Lee for the information. It's helpful. Were I'm at is that there IS a noticable difference in my rigs. I started with both RXs aligned by the book, with an HP 8656B signal generator. I noticed right away that the R7A "seemed" much more sensitive - reading 1-2 S units higher on sign

[Drakelist] The Monthly Misery

2008-12-01 Thread Thom LaCosta
On the first day of the month, Mailman sends out a message to each list subscriber reminding them of the list to which they have subscribed and their password. And every time it happens I get messages telling me: A. The email address is inactive B. The email address doesn't exist C. The dim-wit

Re: [Drakelist] 7-twins receiving together

2008-12-01 Thread Ron Baker
Hello Jim, well I have both the R7A & the TR7A mated together and I see very little if any difference in the receiving capability of either unit. The R7 is basically the same as the receive section of a fully loaded TR7, but with a few minor exceptions like the notch filter and noise blanker upg