Question about Yaesu FT-857D transceiver

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How do i reset tx for yaesu 857 - Yaesu FT-857D transceiver

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VHF/UHF RF Power falls to Zero when the Auto ATU tunr logo is on the display. When the tunr logo is off the VHF/UHF RF power is only 10 watts on 2M and 3 watts on 70cms. The Yaesu FT 857 D should have no...


Check for open or shorted Veractor diodes and steering diodes there may be no direct interaction as you say but if a diode is open or shorted the RF circuits might still be selected for the higher bands and the lower output power on your vhf/uhf is an indication of this.
If you do not have a service manual you can get one hear, you will likely kneed one
http://www.tradebit.com/filedetail.php/127575994-vertex-yaesu-ft-857-ft-857d-2005-service-repair
Good Luck Best regarsds Falco

Nov 04, 2013 | Yaesu FT-857D transceiver

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My 857 receives fine, but when I key the mic it turns off. The 857 works fine on HF both receiving and transmitting.


I would have a look at the FT-857's extended service menu by holding in A, B, C buttons and pressing power button for a couple seconds. The default setttings are on the mods.dk website. Should also ensure regular menu settings are correct/appropriate. I can tell you that it is possible to change extended menu settings by getting RFI into radio. Also, although unlikely, it sounds like you could inadvertently have done a write to the radio's EEPROM, which can be determined by using a program such as Ham Radio Deluxe, a CAT cable, and procedures also posted on mods.dk website under how to open radio up for 60m, ext tx/rx, without any hardware mods. As to whether you can do all this while still mounted mobile,,,,,maybe with a laptop? Good luck, Link, WV4I....

Oct 22, 2013 | Yaesu FT-857D 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

857d does not display tunr icon when set up for atu operation


In the extended menu, double check the "tuner mode". Sometimes the 857 requires a "factory reset" (also in the extended menus) to get it working with external antenna tuners.

Aug 09, 2013 | Yaesu FT-857D HF/VHF/UHF Mobile...

1 Answer

Software Menu Aligment yaesu FT-857


http://www.hampedia.net/yaesu/ft-857-second-menu.php this link lists the settings to put back to factory abc together when switching on to access

Apr 10, 2013 | Yaesu FT-857D HF/VHF/UHF Mobile...

2 Answers

Yaesu FT-100D transmit problem


has it been opened up to talk on

Dec 17, 2009 | Radio Communications

2 Answers

Yaesu FT-26 I got a Yaesu FT-26 that is used. The Problem by it is that its frequence between 140.000 and 148.000, i cant get lower or higher than, I cant even send or recieve anything!!! even when i press...


Same problem for me also blocking on the tape amateur 144/148 MHz not of emission nor of green reception led does not ignite malgres the modifs. Have a solution thank you

Feb 23, 2009 | Vertex FNB-27SM,...

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.

Jul 07, 2008 | Yaesu POWEREX MH-C500Y Charger for FRS...

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