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William Gentry Posted on Sep 26, 2014

What would cause my Yaesu 857d to transmit ok on 2 meter band, yet not receive all the time on the same?

My Yaesu Ft-857 transmits ok on 2 meter. But the receive only work sometime? As I was stating. My 857d transmits on 2m with no problem. But the receive only seem to work some time with repeaters and simplex as well. I have a HAM friend less then 3.7 miles from me and he can not open my squelch with a repeater nor can I hear him on simplex. Yet with a group called SKYWARNING, I could hear almost everyone on the repeater?

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jcw1231

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  • Posted on Sep 30, 2014
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Have you ruled out a receiver PL setting problem?

Coheher

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  • Posted on Oct 03, 2014
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You sure the receiver tone squelch is OFF? Sounds like the receiver tone squelch is activated and it happens to match the Skywarning station. So make sure you turn OFF the receiver tone squelch.

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5 Related Answers

Anonymous

  • 6966 Answers
  • Posted on Nov 23, 2007

SOURCE: Yeasu FT 897D

Hi,

I suspect that the extended transmit will really allow you TX on 2 Meter from 136-174 or thereabouts even with modifications.

At any rate, Air Bands are amplitude modulated, have you tried switching mode to "AM" when operating 116-136MHz??

Would you post back please on how the modification (extended transmit) was done; software programming of the EEPROM or jumpers (JP1001-1009).

Good luck and kind regards.

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Anonymous

  • 1 Answer
  • Posted on May 14, 2008

SOURCE: ic w32a

Thanks for letting me post a question.
After taking it apart again I found a pin on the lower board socket that got bent over on reassembly........

Anonymous

  • 320 Answers
  • Posted on Mar 31, 2009

SOURCE: Some bands OK some not. No transmit, no readout on some.

its the problem of the frequency range its getting blocked  at particular location.these can be solved by two options 1)first try changing the location of the unit from one corner to another corner.that should help to catch the frequency again if its getting blocked at particular location.this happens many times.but if changing the locan does not make any difference.then  2) get checked that the antenna of the unit is not catching the required frequency for the unit.so change the antenna also connect this external antenna  as mentioned 50 ω (it comes wioth SMA Connector) that helps in catchinf the frequency. you will get this at radio shack website. this will help. ----------------------------- also in the unit there is a component which controls the frequency called microprocessor if that goes weak the unit slowly slowly stops receving the accurate signals and only the noise comes.so the micro processor in located internally in the left side.its a green and black colour mini chip circuit board.many times opening the unit and removing and cleaning the microprocessor and refitting it solves the problem but this is 50 --- 50 chance. this all has to be checked what mentioned. thank you for using fixya.

Sheldon Dedek

  • 912 Answers
  • Posted on Sep 15, 2009

SOURCE: Bands covered by Furuno FS-1502

It doesn't appear to cover the ham bands, only maritime. This radio is also not type approved for operation on ham bands either.

You can find the freq. range in the manual at the link below:

http://www.furunousa.com/Furuno/Doc/0/AHHEA1GA2ITKN04R23GBMOTKF1/FS1502%20Operator%5C%27s%20Manual%20Vu.pdf

Nice Radio though.

Anonymous

  • 3 Answers
  • Posted on Feb 27, 2010

SOURCE: Yaesu Ft-60R with Kenwood TK-3107

ok guys!! i have gold for your prob huhuh
go to this website and u can get anything about all model TK
http://www.twowayradioearpieces.com/Programming-Cable-for-KENWOOD-C178-1.htm

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My Yaesu Ft-857 transmits ok on 2 meter. But the receive only work sometime?

Sounds like a bad receiver in the radio.
Have you checked the VSWR of you antenna system?
Did it ever work with the current setup?
If so has anything changed with the programming of the radio or the antenna system?
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I cant talk on any frequency over 148.000 anyone know why?!

This is an Amateur (Ham) Radio 2-meter Transceiver. It will only transmit on the 2-meter Amateur band (144-148 MHz) but has expanded receiver coverage from 136-174 MHz which includes Public Service and Commercial 2-Way Radio bands. Please note that an Amateur License is required to operate on the 2-meter Amateur Band.
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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
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http://www.ham.dmz.ro/yaesu/ft-1802-extended-transmit-modification.php

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