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 Yeasu ft-990 not receiving.

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dazer
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Call Sign : 163-CT-348
Posts : 5
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Join date : 2023-06-04
QTH or Location : Port Talbot
Equipment Used : crt ss 6900v
Age : 52

Yeasu ft-990 not receiving. Empty
PostSubject: Yeasu ft-990 not receiving.   Yeasu ft-990 not receiving. Icon_minitimeSat Jul 08, 2023 12:36 pm

Hi all i have just got a Yaesu ft-990 HF set with the fm fitted. can i ask is any on know's. i seem to have a problem with receive. i have a antron 99 and a ss6900 works fine on my ss6900. But when i plug it into my Yaesu ft-990  i don't get a good signal. i don't want to seem stupid but if it works on my ss6900 then it should working on my Yaesuft990? this all tested on the 27555mhz. Be thankfull of any infor or help. Darren
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Alan Pilot
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Alan Pilot


Call Sign : 163-CT-220...MW7TTA
Posts : 2550
Times Thanked : 69
Join date : 2019-11-19
QTH or Location : Anglesey North Wales
Equipment Used : Yaesu FT-991A,,Yaesu FTDX-10,,Icom ic-7300,,Anytone AT-D878UV PLUS",,LINCOLN II+.
Age : 15

Yeasu ft-990 not receiving. Empty
PostSubject: Re: Yeasu ft-990 not receiving.   Yeasu ft-990 not receiving. Icon_minitimeSat Jul 08, 2023 2:12 pm

Has it got 2 antenna inputs.
Try the other if it has.
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Victor
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Victor


Call Sign : 26-CT-3228 / M7VIC
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Yeasu ft-990 not receiving. Empty
PostSubject: Re: Yeasu ft-990 not receiving.   Yeasu ft-990 not receiving. Icon_minitimeSat Jul 08, 2023 2:20 pm

Hi Darren,

I presume from your statement of "fm fitted" you actually mean the radio has been modified or 'wide-banded' to transmit on CB frequencies. (FM is a modulation mode as in 'Frequency Modulation' which this radio is equipped with as standard.) Just clearing this up for others that may also be reading this posting.

You also state in your posting title that the radio is not receiving but in your posting say "i do not get a good signal". Is it totally 'deaf' as in receiving nothing at all or does it actually receive but less than expected? Again this is an attempt to clarify the problems you are facing so that people may try to help you.

If the FT990 is actually receiving and you are comparing it to the CRT SS6900 are you receiving the same signals at all or is it more a case of s-meter readings or audio volume levels are different?

It may be worth a peruse of the FT990 user manual and make sure you have any settings correct such as the 'ATT' switch etc.

An online version for download or browser PDF viewing can be found here :-

http://www.radiomanual.info/schemi/YAESU_HF/FT-990_user.pdf

Any further information you can provide will help others to help you. Yeasu ft-990 not receiving. 1f44d 



Re: Alan Pilot

Alan, I can see where you're going as this radio does have the 'receive' antenna facility but there is only one SO239 on the rear. However it's worth Darren checking that this feature hasn't been inadvertently activated and hence the link to the user manual.



All the best,
Victor

Edit:- I've also moved this posting to the 'HF Radios' section of the forum being more appropriate for this type of query.
(It was in the 'Nets & Skeds' section.)
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dazer
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Call Sign : 163-CT-348
Posts : 5
Times Thanked : 0
Join date : 2023-06-04
QTH or Location : Port Talbot
Equipment Used : crt ss 6900v
Age : 52

Yeasu ft-990 not receiving. Empty
PostSubject: Re: Yeasu ft-990 not receiving.   Yeasu ft-990 not receiving. Icon_minitimeSat Jul 08, 2023 8:34 pm

Hi thank you so much for your help. its my first hf unit.It has only one pl259 socket on the back.The att is fully out.It gets a very feint signal on 27781mhz and on 27555mhz.it does have the  'receive' antenna  as well. i will look into it. thanks again Darren.

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Alan Pilot
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Alan Pilot


Call Sign : 163-CT-220...MW7TTA
Posts : 2550
Times Thanked : 69
Join date : 2019-11-19
QTH or Location : Anglesey North Wales
Equipment Used : Yaesu FT-991A,,Yaesu FTDX-10,,Icom ic-7300,,Anytone AT-D878UV PLUS",,LINCOLN II+.
Age : 15

Yeasu ft-990 not receiving. Empty
PostSubject: Re: Yeasu ft-990 not receiving.   Yeasu ft-990 not receiving. Icon_minitimeSun Jul 09, 2023 6:58 am

Is there an antenna select button/switch.
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PostSubject: Re: Yeasu ft-990 not receiving.   Yeasu ft-990 not receiving. Icon_minitime

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