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Hi Jack,

Sorry to report, but I had the same issues 7 months ago with my FT-857.? Did the reset, but no joy.? I ended up sending the rig back to Yaesu for repair.? They were not helpful in defining the problem, but the final invoice showed three ceramic filters replaced (at $0.71 each).? Most of my costs went into shipping and labor.? Final outcome is the rig works fine now.??

Good luck & 73,
Jack
W1JS

Have not used my 857 in awhile, was working fine.
Now only getting about 3 watts out on ssb and cw and no power out in AM
getting 100w out in fm and pkt
so strange
menu 75 set to 100w

hoping it is a menu setting I forget, thought I would ask here before doing a complete reset
Tnks,
Jack
W4GRJ

Hi Gary,

Actually no i did not do the blocking caps, neither did Yaesu when they replaced CF1005. Something I plan to do in the short term, just wanted to get the rig back working correctly.

Mitch
N4MF

Mitch,

I just pulled the top off of the radio and CF1002 and CF1003 look exactly like the pictures.? I have changed CF1005 on another FT-857D in the past so I'm familiar with the replacement procedure.? Did you do the mod to add blocking capacitors as described in earlier postings with this noise problem?

Looks like I need to get on the phone to Yaesu on Monday and try to order some of these type of filters.? I have some of the CF1005 type, but not the other two.

Gary A. - W0MNA

Pull the top off and look at the TOKO Filters, if they look like these they need changing.


This was my 4th 857D and the first I had to replace the FM filters on. CF-1005 had already been replaced prior to me getting the radio used. That growth is the filter being destroyed from the inside out due to voltage on the in and out pins of the filters, they aren't supposed to have any applied.? Mitch N4MF

That can happen if you accidentally change your mode to AM. I’ve done it a couple of times.

Bob, W7SCY

Sent from Robert's iPad 2

I recently started having a problem with my FT-857D sounding like it's slightly off frequency on the FM repeaters on VHF. It's like you have tuned the frequency to be 5kc off but it's not 5kc off on the dial. ? It seems to be fine on the HF bands.? Anyone else had a problem similar to this.

Thanks,
Gary A. - W0MNA

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I have an MFJ IntelliTuner and it plugs into the CAT port on the radio. ?MFJ sells the cable you need.

Hello,

Assuming you have the Yaesu interface cable connected properly you need to press the tune button on the tuner rather than the tune button on the radio.? Unlike some other brands of radios, the Yaesu radios tune button doesn't work with tuners from different manufacturers.

The following is from Page 14 of the tuner manual:
If you are using the ICOM or Yaesu radio interface cable, the radio will automatically reduce power, switch to CW mode, and transmit for as long as is required to complete the tuning cycle, and then will return to the previous operating mode and power level when completed.

Good luck, and 73

K0LEJ

Doesn't work. Radio Tune button only works with yaesu tuners. There was an aftermarket adapter that did provide an interface but I think it is out of production.
--
Leonard K. Pennock (AD7AS)

hello.

I have the LDG Z-11 pro II connected to my FT-857D, but when I press the tune button on my radio it does not actuate the tuner to do the tuning cycle.
can anyone help, please?
tnx
regards
OD5OJ

hello.

I have the LDG Z-11 pro II connected to my FT-857D, but when I press the tune button on my radio it does not actuate the tuner to do the tuning cycle.
can anyone help, please?
tnx
regards
OD5OJ

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John,

The YT-100 has this CAT port pass-thru port which I have, promoting me to have an interest in the RadECU.

Frank

On 2020.01.02 1439, Merlin, K3MEJ wrote:

snip

A word of advise they both use the cat port so you will not be able use
your LDG tuner at the same time.

Merlin K3MEJ

I was just reading the manual for the LDG Z-817 tuner as someone on a list was selling one. It has a pass-through feature so one should be able to use it, daisy chained, after the tuner (CAT port naturally, not RF.)

No personal experience, however one of the selling points. Oh, that tuner is only good to 20 Watts, so may not suit.

It also seems as if other LDG tuners use a 3.5 mm cable for the tune-from-the-tuner feature (non-standard, info on line here and there.)

That would also appear to allow one to use other models with this device.

73, John VA7OTC

I had this problem with the 857D in my car. I would push the power button and the relay in the radio would click and I could see a white blueish white flash on the display then nothing. I contacted Yaesu and they said it was due to low in rush current. It turns out, I needed to beef up the DC power supply cables. My wire gauge was too thin. Installed heavier gauge wire. Problem solved. Never came back.
Merlin K3MEJ

Mel, As you know the "standard" bell patch cord is cross polar.? The Yaesu front panel connecting cord is straight through, and if you check the diagrams it appears to me that using a bell cross polar line would likely fry the rig.? So use your retired crimping tool, and fabricate a separation cable.? HIHI, Phil / K4PO

??