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Thanks Steve & Dave, Some useful ideas, I'd already spent some time looking at the cct diagrams of the IF unit to see excatly what happens when the? compressor (RF Clipper) was switched in, I need to

I learned several years ago that the Kenwoods prefer a dynamic element as opposed to an electret-conderser type element. The electrets work great on the vhf and uhf mobile rigs, but touchy on the hf

Here’s a YouTube video of a ham testing a cheap electret mic on a Kenwood. He’s testing and setting the mic parameters using his Kenwood. Try this. If it doesn’t work, then check the mic

It seems unlikely that anyone else has come across this minor problem but worth a try! Instead of the standard Kenwood mic I sometimes use a basic (cheap!) single earpiece / with electret mic on my

Here is a video that might help https://www.youtube.com/watch?v=4pYP7U7vzJ0 Jeff - NZ2S

Here is a place to start http://www.iw5edi.com/ham-radio/4304/ts-870s-remote-control?ts-870s-remote-control,104 Jeff - NZ2S

Thanks Donald! I'll look at the subgroup as well. Hope this isn't too obscure to get clarity on. Charlie

We're a small group but I hope you find an answer here or in this TS-870 specific group, which has about 1/4 of the members we have, though it is just for that

I have a lovely new-to-me TS-870, the nicest radio I've owned to date. I got it in part because it supposedly interfaces well with a computer allowing easier programming and other digital advantages,

Since we don't have file storage, attached is a catch-all document on soft and hard reset procedures for various Kenwood radios. I'll be uploading this into the files section (in a few minutes) of

Maybe only the gas discharge tube. Bob. W4JFA

Hi group... My 30+ years old TS-450 has developed a moderate loss of gain roughly a few minutes after I turn it on, which I noticed some time back. I was using it to monitor the output of my signal

Hi group... My 30+ years old TS-450 has developed a moderate loss of gain roughly a few minutes after I turn it on, which I noticed some time back. I was using it to monitor the output of my signal

A friend and I are trying to bring a TL-922 back to life and obtain full power output. The amp is working with a new HV supply and new 3-500Z tubes but cannot achieve full output as specified. It

Kenwood Dual Band HT, Speaker, Crystal Filters, Microphones, Mobile mount, Extension feet, and more For Sale . Kenwood TH-G71 Dual Band HT: The Kenwood TH-G71A is a dual bander with all the right

Great! Glad to hear it! Bob. W4JFA groups.io <mwcarpe@...> wrote:

Hi Bob.. Just wanted to jump in and say that I built the circuit you provided and it works like a champ!! Thank you so much.

It is usually unlikely, but not impossible I suppose, it could be the processor chip. Lou WA5LOU

Excellent question. The local repair guy I took it to tells me so. I don't have much test equipment.Unit powers up but no ears, no transmit.

How do you know it is the processor chip? Lou WA5LOU