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Yaesu FT-857D FT-897D 857 897 Frequency modification expansion

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  #25  
Old 02-14-2011, 01:43 AM
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Quote:
Originally Posted by Happy_Hamer View Post
It WILL only transmit there in case of an emergency
Thanks. I'll might give it a go, just for 'in case'.
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  #26  
Old 03-14-2011, 02:40 PM
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Hello,

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Originally Posted by Moleculo View Post
I don't remember, but I double check my radio and post the results.
Can anyone verify whether this mod disables the automatic repeater shift feature?

Thanks,

Scott

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  #27  
Old 03-15-2011, 02:37 PM
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Yip i think it does....


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  #28  
Old 04-22-2011, 09:32 AM
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Default Doesn't work on new FT-857D

Picked up an 857D a week ago. Not sure when it was made, but the shop sells alot of these so it's pretty fresh.

Did this mod with a Circuit Writer pen exactly as in the picture. Same factory jumpers. Verified continuity of my new jumpers. Tried reset by v/m-f-power and home-power.

Nothing, nada, zilch. No effect whatsoever.

I'm going on a vacation and will be far from cell service most of the time. I really want this radio opened up for emergency use.

Anyone have any ideas?

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  #29  
Old 04-22-2011, 10:01 AM
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Quote:
Originally Posted by trapland View Post
Picked up an 857D a week ago. Not sure when it was made, but the shop sells alot of these so it's pretty fresh.

Did this mod with a Circuit Writer pen exactly as in the picture. Same factory jumpers. Verified continuity of my new jumpers. Tried reset by v/m-f-power and home-power.

Nothing, nada, zilch. No effect whatsoever.

I'm going on a vacation and will be far from cell service most of the time. I really want this radio opened up for emergency use.

Anyone have any ideas?
Yaesu hasn't changed this radio, and the mod is the current version. I say try it with a good old fashioned solder and see if you get the right results.

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  #30  
Old 06-26-2011, 04:48 AM
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Ok, I did the mod and was able to TX on all frequencies that I can RX, except for a few. The only ones I am getting a "TX ERROR" on are the frequencies between 88mhz - 108 mhz. Any suggestions as to my error? Maybe one of my solders was subpar?

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  #31  
Old 07-01-2012, 12:17 PM
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Default Succesfull Mod!

Hey Guys, I'm sorry for bringing back a post from the dead, however I just did this mod to my 857D that I bought in January 2011.

First off, THANK YOU for posting this! This is the only thread where I was able to find the correct version of the mod for my radio!

The whole mod took me about 10 minutes tops and it worked perfectly. One thing I will add is that I also had to reset the radio by holding the F and VM keys down while turning the radio back on. The initial reset of holding HOME and turning the radio on did not work for me.

I used a Radio Shack soldering station that I bought a set of tips for on Ebay a long time that had a perfectly sized tip to heat both pads at the same time to make the solder bridges without intruding on the pads or jumpers next to them. I think this is the same Soldering station made by Hakko but branded by Radio Shack. The tips were Hakko I believe.

I have verified TX on MARS freqs that I need as well as others and everything is working great at this time.


Thanks Again!

Steve

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  #32  
Old 07-01-2012, 09:38 PM
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Glad it worked for you - that's why it's here

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Freguency modification expansion for yaesu 857d This thread Refback 01-23-2010 01:02 PM 50

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