All: One thing to remember about the AH-4 is that it always presents a low SWR to the radio while it's tuning, so you can't use that as an indication for how well it's doing. After tuning, if it found

Lance: First thing to do is to put a dummy load on the radio. I suspect that will work. Next put a dummy load at the antenna. I also suspect that will work. Then connect your antenna. Of course this i

Mark: Note that replacement of the logic unit requires a full alignment which may be difficult outside of an Icom shop. So the price of doing this is usually prohibitive. Second, note that problems wi

Hi: I'm beginning to think there's a problem with RX in the radio. It would sure be nice to know that for sure before sending the radio in for repair. The only way to make sure is to know for sure tha

All: Here's the one I built for use on my IC-7300 to bring out IF and band data. Room for additional connections as needed. Wiring from the connector is soldered to the bottom of the terminal strip. C

Chris: The behavior you see with the S-Meter when you turn the RF/Squelch way down is normal. The default position is at 12 O'Clock. That all seems to be right and it clearly is affecting the signal l

K0JOB: First thing to check is if the screen has "ATT" just above the S-Meter on the left. If it does, that means that the attenuator is on which would considerably reduce the signal levels. To turn t

Helmut: Well, that's a bit more curious. Looks like the P2R8 control line enabling that line during receive (I suppose) to apply another 10 pF to that part of the circuit. Why? That's a good question.

Helmut: The two diodes D551 and D552 on the PA board are used for the "ATT" function, which is used to attenuate the incoming VHF signal (the other option on the preamp select button). When those diod

Bill: I had a chance to play with the radio a bit. I could not exactly replicate your issue, but I may have found a scenario that might make you think it's doing something like what you report. If I g

Bill: Wednesdays are my day away from the office, so I'll be home and can play with my IC-7000 for a bit to test this before getting on to other important things. (Cleaning up the shack, for example.)

Bill: Select the band you want to move while in VFO mode. Press TS to select fast dial then spin to the frequency where you want this extra "band". Press TS to go back to normal dial speed. Now press

Bill: I used an IC-7000 in my truck for quite some time before having to retire it to my shack, so you'd think I would just know this. I'm pretty sure though that the 7000 will remember one band in ad

Perhaps a less likely but possible cause is poor connections on the Logic Unit or issues there. All the control lines for the filter selections come from that board and if those start malfunctioning y

Mark: OK on your comments about the mic element replacement. I don't doubt that doing that will improve the audio further, but for "communications quality" the original one is fine by me. Speaking of

Mark: The dirty little secret, at least as far as I can tell, is that this model microphone never needed the mic element replaced. I've had several of them and in all cases the TX audio problem was du

Joe: So far so good. I'm still getting used to some of the differences between the radios, but for the most part the controls make sense. The cool thing about it is that the control head fits snugly a

Joe: A long shot, but possible. There's been problems with the Logic Unit that causes a variety of problems. That's the metal-enclosed unit under the back-left of the top cover. I don't have specifics

George: Is it just receive or are you loosing transmit? I have a problem with my IC-7000 that may not be what yours has but might be interesting. My IC-7000 that I've used mobile for years developed a

All: I've been running two mics on my IC-7000 in two different vehicles for years and never had anyone complain about background noise. Unless you have the second mic somewhere near a significant nois