Re: L604, L612, L904 setpoints
Thanks, Craig! I was using an online tone generator and an oscilloscope to look at the amplitude.? It also had a lot of noise on it; possibly an AM station picked up along the way and maybe provided
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HF
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#43044
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Upside-down display on external monitor
Being encouraged by recent posts about using external monitor with IC-7000, I hooked up an abandoned monitor and found that the display was quite clear and accurate; but is upside-down. I cannot
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Stephen Dubin
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#43043
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Re: IC-7000 external video display
Oh yes, There was an option for an external monitor. I do remember that now. I think I purchased one but never used it. I ended up selling it years later. ¡®73 de Jim N2ZZ Sent: Wednesday, April 30,
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James F. Boehner, MD
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#43042
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Re: IC-7000 external video display
Hi Jim, Removing a diode was to allow the IC-7000 to become a VHF TV receiver...yep, watch a TV channel on your rig. I was always intrigued by this mod but I never was really interested in watching TV
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Larry Ryan
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#43041
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Re: L604, L612, L904 setpoints
ALRIGHT! Found issue and now I¡¯m doing the alignment top to bottom. For L604, L612, and L904, I ran them all the way up and adjusted them all the way down. Changes are minimal, leave them as is,
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Craig- KB4RU
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#43040
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Re: L604, L612, L904 setpoints
? did you find one of my posts somewhere? Your timing is perfect. I asked that exact same question when I started the alignment project and by project, as in THIS IS A PAIN. I talked to a tech, not
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Craig- KB4RU
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#43039
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Re: No bias current on Q401
Holden, My recent experience with the uhf MOSFET was the same as yours. The ¡° Final Idle Current¡± setting was negligible. UHF power out was around 10W. I removed 401 and it tested bad. You have to
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Tommy Wooten
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#43038
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Re: No bias current on Q401
Hi, The ribbon cables are easy to replace buy a set from Icom they are cheap, what is difficult, is fitting them to the radio, one in particular connects to the PA board which has to be removed to fit
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Andrew Lenton
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#43037
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Re: No bias current on Q401
Halden, I can't comment on the transistor but I'm curious how difficult it was to replace the ribbon cable on the rear of the main board? Bob W4JFA [email protected]> wrote:
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Bob
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#43036
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Re: Interpreting transmitter adjustment instructions
I've been following this. I also would like to know what the output power is with a CW carrier. Bob W4JFA [email protected]> wrote:
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Bob
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#43035
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Re: Interpreting transmitter adjustment instructions
I would use CW or FM to set power. as 3mV audio only applies to SSB and AM. And most electret microphones give far more than 3mV! I can not remember if VHF and UHF share the same transistor, wuthout
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Andrew Lenton
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#43034
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Re: Interpreting transmitter adjustment instructions
Hi Andrew, Yep, that's probably what it was!? With new ribbon cables, VHF adjusts as the instructions suggest and UHF doesn't adjust at all.? That seems to be a failed transistor - the adjustable
By
HF
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#43033
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No bias current on Q401
I think I have sorted out the ribbon cables now.? Setting the bias current seems to work okay for all bands except UHF.? I have verified that the bias voltage reaches Q401-G, but maxes out at 0.98 V
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HF
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#43032
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Re: IC-7000 different Power at different band
Hi Fazlay, My radio also gives different power on different bands, and they were all quite low.? I've been working through the "ADJUST" mode steps.? There's a step where I adjust a capacitor when
By
HF
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#43031
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IC-7000 external video display
Yes, I remember having to remove a diode in the USA version (video was not activated from the factory) because there was some NTSC video (Federal?) requirement that ICOM could not incorporate into the
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James F. Boehner, MD
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#43030
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Re: IC-7000 external video display
Hi Halden, Many many years ago (2007) when the IC-7000 was taking ham radio by storm and this group was maintained by Yahoo, many were experimenting with the video out capability. The conclusion
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Larry Ryan
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#43029
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L604, L612, L904 setpoints
The transmitter adjustment instructions on page 4-5 of the IC-7000 service manual say to preset L604, L612, L904 so that the cores are even with the tops of the parts.? But I can't find any place
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HF
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#43028
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Re: [IC-7000] Factory Reset
Does Factory Reset restore the IC-7000's alignment adjustments to what they were upon factory departure? -Halden VE7UTS
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HF
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#43027
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IC-7000 external video display
I'm posting some notes regarding an external video display for my IC-7000 to potentially help others considering using one. Prior comments on this forum indicated that inexpensive displays for back-up
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HF
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#43026
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Re: ribbon cable repair
Yeah, it was easy, but it didn't work easily.? I also ordered some 6 cm, 30-conductor FFCs.? When I cut off the last 2 conductors on these ribbons, the knife went for the soft area right between the
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HF
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#43025
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