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I keep thinking that but insides are dust free. No warm parts. Using win10 win defender. Fans all work. Tom

Nice work Mark! You're making progress. It will be interesting to see where you end up. 73 -Jim NU0C "atlasstuff" <g4fph@...> wrote:

Tom, If you are using your PC mainly for email and internet browsing I would suggest installing Linux on for that purpose.? Pick your flavor (I have used OpenSuSE since about 2001) but if you're a

Jim, I found the article from Feb. 1989 by AE7K, entitled 'Zener Diode Noise'. I won't be undertaking 'carpet-bombing' bypassing all of the regulators in my radio! I had previously added the

I just sold one a couple of weeks ago and got $330 for the r4b and t4x. No ps or ms4. [email protected]> wrote:

Hi Guys, Okay thanks, yes seems like the market is soft for a lot of these old radios not too sure where its going to go. I've been slowly down sizing my radio stash to just a few radios that are

FWIW in December I bought a working B-line with absolutely pristine copper for CAD$500 (~US$360). I think it might have come with an MS-4/AC-4, but my memory is too broken to remember now. --lyndon

I purchased a nice set about 6 months ago with some extras (spare finals, mic, keyer, digital display) for $575 Ed KG5UN [email protected]> wrote:

Dave, the prices have been falling a little bit but, as I often say, "condition is everything". If they're fully working with no blemishes and shiny copper, then your price is in the right area. The

I assume you have a good anti-Malware protection program on your computer.?? My recommendation:Run an anti-malware scan and make sure your PC is clean.? Use another PC to download another browser

Hi Guys, I have B-line that's been sitting around unused for a long time guess I lost interest in them. Anyway thinking of selling what's the going price these days for a clean, recapped set with good

*** Since other software works, I'd suspect your web browser. Install another one; there are plenty of them out there. If it then works, uninstall and reinstall your nonworking one. Hmm - it's

What browser are you using? Might try a different one...Chrome or Firefox, for example. Also might try clearing your browser cache...how depends on which browser. Or you might have a virus or some

Tom, Friends don't let friends use the Geeksquad! I used to work there long ago. I have been a PC tech since 1983. If you can't find a more local helper, I will be happy to assist over the phone and

Mark, There should be in the group files or photos section a clip of a QST blurb about bypassing the regulators. If it is not there I can probably dig it up. As for grounding, there is a point at the

Dieter, Jim, Thanks for your replies. So, my repaired radio still has two issues. (1) Dieter, you were correct in identifying that the source of the 1 kHz spurs on TX output is the DR7 board.

I have noticed some low level noise in the TR7 audio when I was working on another issue but did not investigate. It was far enough down to not be of much concern. Your spurs are likely from the DR7

Hi Mark, I had a TR7A where noise from the DR7 was audible in the RX. It disappeared when I disconnected the DR7. Additional electrolytics were needed to get rid of this. So if you disconnect the DR7

I think this warrants a new topic, rather than tag it on to my 'repair journey' one. Making a critical assessment of the transmitter performance of my fixed TR-7 prior to using it on-air: When in LSB