Re?: Re: [YaesuFT847] Serial cable question
https://www.kotarov.com/projects/succi
Vy 74 Yvan HB9CSM
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By
yvan skopek
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#980
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Re: Serial cable question
Hi Ron, WJ1I? here and 73 from Cape Cod .I have a 847 running rock solid on CAT control.? You cannot use the external tuner control and CAT at the same time...one or the other.? Very important- you
By
David Steele
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#979
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Re: Serial cable question
Wondering what you mean by it "not connecting" to the 847...
Assuming you have an 847 with a recent-enough serial number to have
2-way communication, one thing that might be a problem is the
By
Greg D
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#978
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Re: No TX or RX
Huge amount of noise on TP1002. But I was eventually able to sync on a signal that was nearly double the expected 45-ish MHz.. More like 76 MHz.
I appreciate all the input and suggestions. Truely.
By
Wayne Carpenter KN2Z @minicowman <mwcarpe@...>
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#977
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Re: Serial cable question
Hello,I use for FT847 interface SUCCI with total succes, RS232 from FT847 and OUT USB, CW, PTT and PEDAL.You find it on eBay for about 20€, when I remember...
Vy 73 Yvan HB9CSM
By
yvan skopek
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#976
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Serial cable question
Hi,
Can someone advise me a USB to serial RS-232 cable that works with the FT-847. I have a model with a Prolific230GT chip that does not connect. I have done several tests with a serial check
By
Ron Liekens
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#975
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Re: No TX or RX
Here here, these radios do drift over time
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By
Andrew Lenton
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#974
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Re: No TX or RX
I would check to see if your reference oscillator is even oscillating.? Do you see 45.250 MHz on TP1002?
You said it transmits in FM.? Just because there is RF showing on a Wattmeter does not mean
By
Mike KC3OSD
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#973
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Re: No TX or RX
I got the radio opened up this morning and finally located both TP1003 and the T1009 adjustment.
It looks as though someone has 'technified' this rig before I got to it. I found a single
By
Wayne Carpenter KN2Z @minicowman <mwcarpe@...>
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#972
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7-26-2024 Update RE: [YaesuFT847] FT-847 only transmitting on FM mode. de: W1SMS
Andrew,
Good morning ¨C I am finally getting back to my FT-847 troubleshooting.
Yesterday, I performed the test of TP1003 and adjustment of T1009.
I found that there is a maximum voltage of
By
Steven Simons
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#971
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Re: No TX or RX
Hi there are a number of simple alignment steps, where the test point are peaked even with out much test equipment you can do around 80%
Q1024 is a VCO locked to X1001 the component drifts over
By
Andrew Lenton
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#970
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Re: No TX or RX
Thanks Andrew!? I will give the voltage check a try. Sounds easy enough.
I don't know about an alignment though. I have a user manual and schematics that I downloaded but I don't have anything like
By
Wayne Carpenter KN2Z @minicowman <mwcarpe@...>
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#969
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Re: No TX or RX
Try this:
Failing that go through all the alignment.
73
Andrew
Sent: 23 July 2024 19:08
To: [email protected]
Subject: Re: [YaesuFT847] No TX or RX
Is there any RX on
By
Andrew Lenton
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#968
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Re: No TX or RX
No. Nothing heard.
My HP generator does a good job of either AM or FM modulation and I had tested both functions on my Kenwood TS-590sg a few days ago.
But in this case I couldn't hear a signal at
By
Wayne Carpenter KN2Z @minicowman <mwcarpe@...>
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#967
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Re: No TX or RX
Hi you have a TX VCO out of lock, I will look it up for you it is easy to get it going, if affect SSB and CW only
73
Andrew
Sent: 23 July 2024 19:08
To: [email protected]
Subject: Re:
By
Andrew Lenton
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#966
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Re: No TX or RX
Is there any RX on FM with a known signal?
<mwcarpe@...> wrote:
By
Andy Bosworth
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#965
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No TX or RX
Howdy.? First off, I'm a vintage radio tech.. tubes (valves?) are my favorite things to work on.
However, I have a friend & neighbor that has an FT-847 that he asked me to take a look at.
Here's what
By
Wayne Carpenter KN2Z @minicowman <mwcarpe@...>
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#964
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Re: No receive full scale
Thank you Andrew.
That¡¯ll give me time to get the radio back from a local friend.
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Noel W2MSA <noelw2msa@...>
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#963
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By
Ken, W8EK
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#962
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Re: No receive full scale
Ok I can hepl6you here, when I get home next week, I will guide you through the repair.
Check the circuits and find the AGC line, it will close to the IF output, follow it back to the RF amp.
There
By
Andrew Lenton
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#961
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