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The Tr7 is really pretty simple to troubleshoot and repair. There's a lot of people out there more than capable. it's not just two or three in the whole world.

Hi guys, It’s been a few weeks since we had an update. If you go back and review the thread most of the concern was with the T-4XC tune up procedure, knob left, knob right, never heard of that…..

I have a Hunter Bandit on the bench. I will check that out as well. David Assaf III W5XU, VP8RXU [email protected]> wrote:

Interesting. I've never seen that configuration. Granted, I have not worked on every amp out there. But all I have seen is the single reverse biased diode. My two Alpha amps have it, and W8JI also

Thanks Jim, I think the IFR1200S reads 150 watts, but you're right. I should get a dry dummy load for the shack. 73 gmail.com_at_groups.io_lastradioman@...> wrote:

Be careful with that. I blew the load in my IFR 1000 with a TR7. It doesn't take long at full power. "Jay W6CJ via groups.io" <lastradioman@...> wrote: -- 73 -Jim NU0C

Richard, Thanks for the info and drive levels document. I'll check that out. I have a service monitor with basic scope functions. 73, Jay (OT: my QTH is 4-5 miles SW of the nearest part of the Eaton

Thanks Tim. It was a noninductive load in an IFR-1200S service monitor. 73 Jay yahoo.com_at_groups.io_lastradioman@...> wrote:

I suggest going over the RF and mixer stage adjustments. I am going more by experience with a T4XB but they are not much different from the C. It is normal for the power output to be slightly lower on

Jay I'd say all is normal or close to it other than 3550. Now was that into a 50 ohm? nonrestrictive load? Nothing to be concerned about actually no one will tell the difference on the receive end.

Group, While making a cheat sheet for pre-tuning my T4XC (see attached excel doc), I noticed low power out on some frequencies - especially 3550 Khz. What is normal power output on the traditional &

This is a long-shot. Try adjusting T1. Steve Wedge, W1ES Time flies like an arrow. Fruit flies like a banana. Sent with [Proton Mail](https://proton.me/mail/home) secure email.

Yes, I have tried switching the Xtals all around. I first put the 28.0 Xtal in the 29.1 slot and got nothing, no receive. I then put the 28.5 Xtal in 29.1 and got the same, nothing. Then I put the

Good point. I’d find a way of using the slots. I don’t mind using the Hayseed kits for sets that I’m keeping. I am, however, beginning to use my Sprague TO-6 to test the caps after I unhook the

That was me and thank you! Bill N1WL ?? William Losefsky? ????????? CallSend SMSAdd to SkypeYou'll need Skype CreditFree via Skype

I'm planning to use a bit of silicone and a soldered ground. John K5MO [email protected]> wrote:

I saw that small PC board with individual radial lead capacitor kit available on eBay but after studying the PC board it appeared that 2 holes needed to be drilled in the 2B chassis. While I'm sure

Thanks to all for the documents! 73, Steve Wedge, W1ES Time flies like an arrow. Fruit flies like a banana. Sent from [Proton Mail](https://proton.me/mail/home) for iOS

With the 2nd diode installed (rvs connected pair).....the pair? ensures the B-? ?can't wander more than? +/-? .7 vdc? ?from chassis potential.? ?In the old days, something like a 10 ohm

Steve, have you already seen and checked this piece of information regarding building an interconnection cable between Drake TR7 and R7: https://www.dl7maj.de/TR7-R7-cable.pdf Best regards. Karl,