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Yaesu ft2800m hum during tx

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Yaesu 857D very poor audio out on SSB.


Dbl check your swr in am mode.. Ch your ssb power and mic gain default is 50 on both on hf .. If you use the mh-59 you will need to reduce the mic gain to 35 and it needs to be set for remote mic in the menu. Also the ssb needs to be set 2.5k wide with the ssb carrier zeroed both tx and rx

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1 Answer

Yeasu FT990 Gone Deaf


This could be many things but a good place to look is the TX/RX and ATTENUATOR relays. These are problem areas in a lot of radios. This is a complicated radio and if you need to ask this question I would suggest you find someone that knows how to work on these. It will require a fair bit of skill to find the problem and replace the parts. The radio has a lot of surface mount components which are difficult to work with without causing more, and often, expensive damage.

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How ti unlock transceiver radio Yaesu FT 1900R to transmit beetwen 136 to 174 Mhz


Here is a link to a forum that has instructions for how to make the modification: http://www.worldwidedx.com/threads/expanded-tx-mod-for-ft-1900r.37171/

Aug 19, 2014 | Yaesu Ft 1900r Vhf Mobile 55 W Two Way...

1 Answer

Ft-2800m hum on tx


bad mic cable, bad capacitor somewhere

Apr 16, 2014 | Yaesu FT-2800M VHF Transceiver

1 Answer

Ft-950 I somehow made the red tx light start flashing.It did this 2 years ago,how do I make it stop? I already did the resets.I do not remember how I stoped it 2 years ago. can tou help?


If a "reset didn't do it, you'll need to contact Yaesu tech support - they're very helpful (but best not to call early Monday or late Friday).

Sep 15, 2013 | Yaesu FT-950 Transceiver

1 Answer

Yaesu ft290r


I'm not familiar with the radio itself, but it seems from the symptoms that the audio processor/stage is the only common problem i.e: audio does not work. Do you have a schematic for the unit? If so, I would follow the DC path to the audio stage and troubleshoot in that area. The other stage that can be suspected is the regulator stage. Hope it helps a bit.

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1 Answer

Tx problem


maybe some bad connection on RF output from final modul, resolder RF dioda n hot area arround them

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2 Answers

Yaesu FT-100D transmit problem


has it been opened up to talk on

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1 Answer

VX-1 Service Manual


this address should help you out http://www.ham.dmz.ro/yaesu/vx-1r-ext-mic-diagrams.php
as for the service manual you will have to order that from yaesu or see if the local Ham radio sevice shop has an extra one they will sell.

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