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The 7K's aren't much more DC voltage dependent than any other mobile HF radio, IF the poorly designed fuse holders on the factory DC power cable are replaced with good quality 30 amp holders that bite

If it's indeed low voltage and not RFI, N8XJK (and others) make a 'voltage booster' that may help. When I was a sailboat liveaboard I used one while at anchor or under sail, essentially whenever not

I had this exact problem with my 7000 as well on 40m only. Turned out to be RF in the shack. In the days before I had proper 1:1 Current BalUns in the feed coaxes. The culprit turned out to be a

Michael.....Icom radios are very voltage dependent...My 7000 will transmit with the truck shut off about two or three times for short periods, then the radio shuts down. Cut the power to 30 or 40

Nott at home, so don't have a dummy load, but will try the ferrites.

I have a. Choke on order.

I would start with some ferrite but also try a dummy load at full power. If the radio shuts down then check the fuse holders by reseating both fuses. 73 GL Feb 5, 2024 7:57:30 AM Michael Parker

Michael, This appears to be a case of RFI. Most likely coming from current traveling on the outside of your coax feedline back to the IC7000 which is causing the shutdown. The amount of "common

Anyone had this issue.? Powered by a LiPo battery and using a 1/4 vertical with a wolf river coil with an swr less than 1.5.? When transmitting CW at 100 W, the unit will shut down.? If I turn down

Did you mean the mic, the earphones or both? I have the same adapter with a Koss SB-45 and it works in front at least. I don't think I've tried the read mic connector. The mic and footswitch

Hi Ed, Have you tried disconnecting the footswitch from the AD-1-iCM to see if that makes a difference? Have you also tried moving the AD-1-iCM to the front mic connector? -Brian, KB3ORR

I just bought these items and when I plug the adapter in to the back of the rig, the mike is already hot and the headset doesn't work. ?I have a foot switch attached. ?Any help would be

ON VHF irrespective of power? output The radio draws 12A of current on tx It txs fine audio out fine? but obv heats up fast Any ideas i checked adj mode its all set ok

Thanks, Steve I think I have some RFI problems.

Thank you Steve that explains alot!Thank you.

I had this happen several times many years ago, but don't have any notes on what I did to correct it.? I vaguely remember it being a problem with not having the HF antenna coax connector shell fully

Andrew,? You don't specify which voltages appear on which leads of Q101.? I don't have my 7K and test equipment with me at my current location, but you should see the collector be about 13.8 VDC in

Sometimes after I send CW, the transmitter will go into transmit (tx light on) and stay on even though I have quit sending.? If i push the power button it will stop transmitting,? I am not turning

Steve what should the voltage be on ic Q101 I am getting 0.751 aand 13.8 is this correct (whilst i transmit) 0 volts and 13.8 volts when i do not transmit!

Maybe there is an issue with how the scope is set up?? The probe's slide switch should be on 10X and the Channel Menu for Probe should be 10X also.? Maybe the trigger level is set too low or the