[Drakelist] Troublesome ISPs

2008-12-08 Thread Thom LaCosta
It appears that the ISPs who label the monthly oassword reminder mail from this list as spam are charter,net cox.net When the notices are created next month, I will send the bounce messages to the list members who had their mail bounce from another address and you can take it up with your

Re: [Drakelist] TR-7 Frequency Problem

2008-12-08 Thread David Chris Drake
Terry, First check the TR7 power supply board for exactly +10v. This is the rightmost pot and you can measure the 10v next to it on the top of a resistor as I recall. Go to wb4hfn.com and you should find info on where to measure this. This is not the best place to measure and adjust, but

Re: [Drakelist] TR-7 Frequency Problem

2008-12-08 Thread Garey Barrell
Terry - This display is an indication that the Lo Synthesizer (Bands up through 14 MHz) is unlocked. Do NOT touch the +10V adjustment pot (last one of a row of pots across the top of the power supply card), just behind the front panel on the right side. Changing this pot at all requires a

Re: [Drakelist] TR-7 Frequency Problem

2008-12-08 Thread Garey Barrell
Terry - Didn't mention it before, but of course also remove the top metal shield over the rest of the card cage and reseat the cards under there as well. There are two small screws through the rear panel into the shield that must be removed, the rest of the screws can be loosened a couple of

Re: [Drakelist] TR-7 Frequency Problem

2008-12-08 Thread GrampZ
Garey Barrell wrote: Terry - This display is an indication that the Lo Synthesizer (Bands up through 14 MHz) is unlocked. Yep, I've had the exact same problem and Garey is right on the money with a cure. In fact after about 2 years my rig has developed the same problem and I have to do

Re: [Drakelist] TR-7 Frequency Problem

2008-12-08 Thread Jim Shorney
On Mon, 08 Dec 2008 10:50:09 -0500, Garey Barrell wrote: You can make a puller by bending a piece of wire coat-hanger into a squared U shape with small bends at the open end of the U to mate with these holes. Instructions on how to make the card puller from the venerable wire coathanger can

Re: [Drakelist] TR-7 Frequency Problem

2008-12-08 Thread Jim Shorney
On Mon, 08 Dec 2008 08:11:35 -0800, GrampZ wrote: Yep, I've had the exact same problem and Garey is right on the money with a cure. In fact after about 2 years my rig has developed the same problem and I have to do this again. I stumbled on the fix myself the first time when recalling my

Re: [Drakelist] TR-7 Frequency Problem

2008-12-08 Thread Garey Barrell
Jim Shorney wrote: On Mon, 08 Dec 2008 08:11:35 -0800, GrampZ wrote: Yep, I've had the exact same problem and Garey is right on the money with a cure. In fact after about 2 years my rig has developed the same problem and I have to do this again. I stumbled on the fix myself the first

Re: [Drakelist] TR-7 Frequency Problem

2008-12-08 Thread Jim Shorney
On Mon, 08 Dec 2008 12:23:34 -0500, Garey Barrell wrote: One other problem of this nature is the solder on the long pins of the DR-7. There is quite a bit of stress on these soft-soldered connections, and they are subject to the solder cracking. This is not always visible so reflowing these

Re: [Drakelist] TR-4C

2008-12-08 Thread LEE BAHR
Well, I never learn. I saw a TR-4C with a nice front panel, no cabinet screws, missing one small knob, no relay, burned out 1/2 watt resistor on relay board, missing 7 small tubes, missing two crystals, and no pilot lamps just loose lamp sockets. I also was told the multi section can

Re: [Drakelist] TR-4C

2008-12-08 Thread Ron Baker
Lee, sounds to like a fairly normal ham who is looking for a winter project. Something he will be proud to use, and enjoy many years year to come.Once you get the radio on the air, the radio will give you the unique opportunity to engage in QSO's without punching a button and letting