开云体育

Hi Mark, "atlasstuff" <g4fph@...> wrote: Mike is a member of this group. I am sure he will respond. I recall mailing the owner a few years ago and he was not willing to ship to the UK because

Everyone! I have the last two offset boards for the UV3 repaired. Basically, the 4081 ICs were bad. On one board, all three had a bad section that turned on the wrong offset. Frankly, I’m still not

If you can’t find them all, let me know what you are missing and I’ll check my extensive stock of TTL and CMOS IC’s. I have thousands if IC’s, not all the numbers, of course, but some that are

Clint, Thanks for your vote of confidence! Right now I am much less confident than you are on this topic. Just ordered some replacement semiconductors and waiting for these to arrive. I have checked

Hi Rick, You’ll get it going. At the end of it, you’ll know the RV-75 really well! 73, Clint, VE3CMQ Sent: Thursday, 8 February 2024 11:05 To: [email protected] Subject: Re: [DRAKE-RADIO] RV75

Thanks all for the tips, I got all the knobs off last night for cleaning.? Also gently pried the clear horizontal plastic covering the meter out of it's grooves because it is dirty on the inside.?

Jim, Thanks for the pointer regarding that electrolytic capacitor on the power supply board. No, I did not change it when I had the board out. I will make a note for the future, but will not disturb

Sorry but I have to disagree in part with this. DeOxit is not appropriate for pots and there have been tales of it ruining the carbon track. It does not happen to everyone, but why chance it? Caig has

To remove the DR7 (display) board remove the electrical connectors plugged in to the top side, the single screw, and unplug the coax and the wire that run to the High Pass Filter module. Hint: mark

The process for removing the DR7 board to get to the boards underneath is in the service manual.? I'd have to look to see what page it's on. ? It involves sliding the bandswitch shaft back and

Bill, I'm sure some of the experts will respond with some great procedures. ?Try the Drake Net (7238 at 44 PM Eastern on Sundays) for some info as well. What I have done in the past is to remove the

Could somebody please point me towards a prodcedure for removing and cleaning the circuit boards?? I assume I will need to removw the display board to get to all the boards so I need to know how to

Bill, Welcome back to the Drake world! Comments inserted below. "Bill NZ0T" <nz0tham@...> wrote: Check the 4-pin Jones plug. You may have oxidation on the contacts. Maybe also the regulator

Extender boards aren't needed for alignment and, actually, you should not use extenders for anything other than troubleshooting. The rig can be aligned from any point in the procedure but it's

I had a TR7 about 15 years ago and loved it but I sold it to help finance my K3 purchase, which I also love and still have.? I acquired a TR7 today from an estate today with the PS7.? It's S/N 2713.

I can relate to that Tom. It does seem that no matter how many times I proof something I still miss things too often. I hope if anyone spots any errors in my stuff they will let me know. Thanks for

Mark, Just so you know, when the Vatican representative shows up, I have nominated you for sainthood.? :) Regards, Kirk, NT0Z My book, "Stealth Amateur Radio," is now available from

Jim, Thanks for catching the errors in the parent board pinout doc. No matter how many times a person rechecks something, a different pair of eyes can spot unseen errors. As I get time, I'll update

Yeah, I was doing the same thing. Fully-working is the best situation. Steve Wedge, W1ES/4 Time flies like an arrow. Fruit flies like a banana. Sent from [Proton Mail](https://proton.me/mail/home) for

Here we go. I think this was what I found. I was not actually searching for errors at the time and I neglected to make any notes. Tom's drawing is an amazing work. Buy the guy a beer (or two)! I can