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If the switch,crystal and the other bands are ok, the only thing left is 2 fixed caps and 2 trimmer caps,? or a bad connection. Have you tried adjusting the trimmers? It is painful watching threads

Yes. Sent from [Proton Mail](https://proton.me/mail/home) for iOS

Do you have an oscilloscope? Gary W0DVN

Yessir. Always look at the positive! Sent from [Proton Mail](https://proton.me/mail/home) for iOS

Just keep in mind that you now have more ideas on what it NOT causing the problem. 73, Steve Wedge, W1ES Time flies like an arrow. Fruit flies like a banana. Sent from [Proton

Anyone know what the inductance values are supposed to be for the two coils in these instruments? It's a bit odd to me the manuals I've seen don't include that so was curious. I suppose I could

Well, here’s the latest update. ?I swapped the 18.1 MHz crystal in from the receiver. ?Still no drive on 40M. ?So, crystal is good. ?Went through all of the wafers on the band switch. ?Need to

The DRAKE group came through again! Thanks to the kind help of Terry N7BDL, we will be good on the shield. Now to see if there are any more bugs to swat :) 73, -Glenn/WB0DKT >

Hi Terry, Excellent. TY. I will reach out to you directly. Please follow-up here if you do not get an email from me shortly. 73, -Glenn

Thanks, Steve. I have a very difficult time relegating equipment for spares. This one is in such good cosmetic condition and I wanted to rescue it if at all possible. 73, Barry - N4BUQ

David I am no expert, but be aware that you will be using twice the heater current. Your transformer would ot mind - but it depends what else is in the circuit. I suspect probably nothing since

John, While I wanted to rivet those fingers back in place, I was afraid of shattering the steatite so I went with screws. As for getting the solder connections rotated, I gently tried to rotate one or

That will work.

I have one if you still need it. 73 Terry N7BDL

It's going to take some time to find it. I would first attach an ohmmeter lead to the common of each wafer and check for contact at the 40m position. Probe at the solder points and not the delicate

Steve, I ordered the documentation. ?I’ve been meaning to do that since the info I got from K4OAH on the Tr-4 has been invaluable. ?I’m sure I’ll get it figured out between the service info

Well-done, Barry! Your patience is impressive -- I would have put it aside for parts. Steve Wedge, W1ES Time flies like an arrow.? Fruit flies like a banana. Sent with Proton Mail secure email.

Sounds like bad connection(s) between the filter and the radio. The filter is electrically symmetrical. You fixed it, so I wouldn’t bother messing with it. 73, Steve Wedge, W1ES Time flies like an

Try moving the filter to one of the other slots. If it’s good,it’ll work. If it doesn’t work in any of the other slots, it is likely bad. Steve Wedge, W1ES Time flies like an arrow. Fruit flies

Do you have K4OAH’s e-manual set? There is a bad component somewhere that will be in whatever components are unique to 40m. The e-manual will make it easier to find the part. Steve Wedge, W1ES Time