Re: New to me FT-857D low TX power on USB/LSB CW works just fine... Bad mic? Something else?

开云体育

On LSB / USB? you won’t see a true full readings on a meter.? ?

CW? is AM and that right

?

Richard

?

From: [email protected] <[email protected]> On Behalf Of Michael KC1WDZ via groups.io
Sent: Wednesday, March 19, 2025 12:53 AM
To: [email protected]
Subject: [FT-857] New to me FT-857D low TX power on USB/LSB CW works just fine... Bad mic? Something else?

?

Good evening everyone,?

? ? ? ?I've got a new to me FT-857D it has worked great on 2m/70cm and I just got my general ticket. I'm running a 40-10 EFHW through a ATU100 tuner.?

?

With the power set to 100 I'm only seeing 30 watts at most on USB/LSB on HF. If I send CW using the microphone I see around 85w output. It seems that I'm getting little to no modulation with voice on sideband.

?

Is the microphone on it's way out or gone? The only variable I have in play i have my digirig hooked up via the din cables.

?

New to me FT-857D low TX power on USB/LSB CW works just fine... Bad mic? Something else?

#54339

Good evening everyone,?

? ? ? ?I've got a new to me FT-857D it has worked great on 2m/70cm and I just got my general ticket. I'm running a 40-10 EFHW through a ATU100 tuner.?

?

With the power set to 100 I'm only seeing 30 watts at most on USB/LSB on HF. If I send CW using the microphone I see around 85w output. It seems that I'm getting little to no modulation with voice on sideband.

?

Is the microphone on it's way out or gone? The only variable I have in play i have my digirig hooked up via the din cables.

?

Re: FT857 + FC-40 + CAT

#54338

Hi Phil

My home contest station have FTDX10 and FTDX101D and I am not

the guy that usually takes a radio in baggage while travelling.

I am not using FT857 at home, never, it's always OFF. After all those

messagens, FC-40 seems to be the right option but not exactly for?

portable operation because it's depends on FT857.

LDG is fully independent and Z11 has the capability to operate with

batteries. CAT port in FT857 will remains free to control radio from

notebook.

April will be my first experience (not counting WRTC's) with a complete

station in baggage: FT857, LongWire, ATU and power supply. Let's

see what happens.

Thanks a lot, Phil. 73 DX from Brasil.?

Vitor Luis Aidar dos Santos

PY2NY, SP9NY, V26NY

Caixa Postal 204

Jaboticabal, SP (Brasil)

14870-970

On Thursday, March 13, 2025 at 02:29:04 PM GMT-3, Philip - K4PO via groups.io <k4po.ars@...> wrote:

OM, The FC-40 tuner is superior to any tuner for Yaesu radios.? Others are good, but the FC-40 out does them all for whatever antenna you elect to run, base station or mobile.? Just follow the OEM instructions.? This model is actually an antenna coupler rather than tuner that fools the radio.? A Coupler presents an actual resonate state.? This is generally true for the ICOM version for ICOM rigs, Kenwood for Kenwood, et al.? Generic versions such as LDG coupler are good as well though no longer listed on their web site.? Sans the SGC-230 may it live long though no longer produced.? 73, Phil??

Re: FT857 + FC-40 + CAT

#54337

OM, The FC-40 tuner is superior to any tuner for Yaesu radios.? Others are good, but the FC-40 out does them all for whatever antenna you elect to run, base station or mobile.? Just follow the OEM instructions.? This model is actually an antenna coupler rather than tuner that fools the radio.? A Coupler presents an actual resonate state.? This is generally true for the ICOM version for ICOM rigs, Kenwood for Kenwood, et al.? Generic versions such as LDG coupler are good as well though no longer listed on their web site.? Sans the SGC-230 may it live long though no longer produced.? 73, Phil??

Re: FT857 + FC-40 + CAT

#54336

Good afternoon

Thanks a lot - I had a bunch of options now and think that

will be possible to spend some hours with FT857 on HF

bands, if the good italian wine and food left me some time

for that.

Will check for a UNUN/BALUN in Italy and try that longwire.

Very nice support from this FT-857 group, really amazing.

Thanks and see you around. 73 DX

Vitor Luis Aidar dos Santos

PY2NY, SP9NY, V26NY

Caixa Postal 204

Jaboticabal, SP (Brasil)

14870-970

On Wednesday, March 12, 2025 at 03:35:25 PM GMT-3, Mike N2MS via groups.io <mstangelo@...> wrote:

I second the Z11Proll. It also uses latching relays so you can tune with external power source and disconnect if necessary.

?

Mike N2MS

Show quoted text

On 03/12/2025 1:00 PM EDT Leonard K. Pennock via groups.io <leonardpennock@...> wrote:

?

?

For a travel/portable tuner I prefer the Z11ProII over the AT-100 or

AT-200.? Smaller footprint, lower current draw and accepts internal

batteries so no additional power source is needed. Tuning range and

power handling is the same as the AT-100.? All of them are wider range

than a FC40 but probably need a Balun or UNUN to work with long wire

type antennas.

?

?

?

Leonard K. Pennock

AD7AS

?

Those who walk bravely through life, unafraid of loss or failure,

find that they very rarely lose or fail.

?

On 3/12/25 9:43 AM, Giuseppe Marullo[iw2jww] via groups.io wrote:

Vitor,

why don't you consider a AT-200 Pro from LDG? not weatherproof but way

capable of tuning almost everything(I guess better than FC-40) and CAT

is completely independent.

Only drawback is that it will recognize band change only if you tx,

switching bands after tuning them will require a brief press of ptt to

recall last tuning for that band frequency(very quick, like a fraction

of a sec).

It could be even remoted, no connection beside the coax and some sort

of power supply.

Once tuned, you could even shut down the power and save battery.

I have a AT-100 Pro, it will tune 1.5W and it could be a good choice

for QRP(though form factor could be smaller).

Giuseppe Marullo

IW2JWW - JN45RQ

>

>

?

Re: FT857 + FC-40 + CAT

#54335

I second the Z11Proll. It also uses latching relays so you can tune with external power source and disconnect if necessary.

?

Mike N2MS

Show quoted text

On 03/12/2025 1:00 PM EDT Leonard K. Pennock via groups.io <leonardpennock@...> wrote:

?

?

For a travel/portable tuner I prefer the Z11ProII over the AT-100 or

AT-200.? Smaller footprint, lower current draw and accepts internal

batteries so no additional power source is needed. Tuning range and

power handling is the same as the AT-100.? All of them are wider range

than a FC40 but probably need a Balun or UNUN to work with long wire

type antennas.

?

?

?

Leonard K. Pennock

AD7AS

?

Those who walk bravely through life, unafraid of loss or failure,

find that they very rarely lose or fail.

?

On 3/12/25 9:43 AM, Giuseppe Marullo[iw2jww] via groups.io wrote:

Vitor,

why don't you consider a AT-200 Pro from LDG? not weatherproof but way

capable of tuning almost everything(I guess better than FC-40) and CAT

is completely independent.

Only drawback is that it will recognize band change only if you tx,

switching bands after tuning them will require a brief press of ptt to

recall last tuning for that band frequency(very quick, like a fraction

of a sec).

It could be even remoted, no connection beside the coax and some sort

of power supply.

Once tuned, you could even shut down the power and save battery.

I have a AT-100 Pro, it will tune 1.5W and it could be a good choice

for QRP(though form factor could be smaller).

Giuseppe Marullo

IW2JWW - JN45RQ

>

>

?

Re: FT857 + FC-40 + CAT

#54334

Agreed,
but I do like all the bells and whistles the AT-100 has, SWR and power meter, 2 antennas switch, programmable threshold and so on.

Giuseppe Marullo
IW2JWW - JN45RQ

Re: FT857 + FC-40 + CAT

#54333

For a travel/portable tuner I prefer the Z11ProII over the AT-100 or AT-200.? Smaller footprint, lower current draw and accepts internal batteries so no additional power source is needed. Tuning range and power handling is the same as the AT-100.? All of them are wider range than a FC40 but probably need a Balun or UNUN to work with long wire type antennas.

Leonard K. Pennock
AD7AS

Those who walk bravely through life, unafraid of loss or failure,
find that they very rarely lose or fail.

Show quoted text

On 3/12/25 9:43 AM, Giuseppe Marullo[iw2jww] via groups.io wrote:
Vitor,
why don't you consider a AT-200 Pro from LDG? not weatherproof but way capable of tuning almost everything(I guess better than FC-40) and CAT is completely independent.

Only drawback is that it will recognize band change only if you tx, switching bands after tuning them will require a brief press of ptt to recall last tuning for that band frequency(very quick, like a fraction of a sec).

It could be even remoted, no connection beside the coax and some sort of power supply.
Once tuned, you could even shut down the power and save battery.

I have a AT-100 Pro, it will tune 1.5W and it could be a good choice for QRP(though form factor could be smaller).

Giuseppe Marullo
IW2JWW - JN45RQ

Re: FT857 + FC-40 + CAT

#54332

Vitor,
why don't you consider a AT-200 Pro from LDG? not weatherproof but way capable of tuning almost everything(I guess better than FC-40) and CAT is completely independent.

Only drawback is that it will recognize band change only if you tx, switching bands after tuning them will require a brief press of ptt to recall last tuning for that band frequency(very quick, like a fraction of a sec).

It could be even remoted, no connection beside the coax and some sort of power supply.
Once tuned, you could even shut down the power and save battery.

I have a AT-100 Pro, it will tune 1.5W and it could be a good choice for QRP(though form factor could be smaller).

Giuseppe Marullo
IW2JWW - JN45RQ

Re: FT-857d WILL NOT TURN ON. CYCLES ON/OFF ABOUT ONCE PER SECOND CONTINOUSLY

#54331

I have tried multiple cables. the last of which came from an unopened separation kit.?

the jack on the head is newly replaced by yaesu. I'll check the jack on the radio and if nothing found, I guess it's off to Yaesu.

Thank you for all the info.

K3MRK

Re: FT857 + FC-40 + CAT

#54330

Hi Ryan

I am a little bit afraid about my conditions to use any kind of antenna,

this is why I'm thinking about ATU.

My initial plane was FT857+ATU FC40+Diamond CPATU Antenna?

3,5-50Mhz.?

I will consider your sugestion, but looking to 10-12-15-17-20m only

and spending less money. Will be 1 hour maximum per day using

the radio, I think.

You are right and this is "Less is Better" situation.

Thanks a lot.

Vitor Luis Aidar dos Santos

PY2NY, SP9NY, V26NY

Caixa Postal 204

Jaboticabal, SP (Brasil)

14870-970

On Wednesday, March 12, 2025 at 07:01:17 AM GMT-3, Ryan Kovacs via groups.io <tukosei@...> wrote:

Why not just use a 40m EFHW? Less stuff to carry and hook up? Unless you really want to operate on 12 and 17m.

Show quoted text

On Tue, Mar 11, 2025 at 10:54?PM Vitor, PY2NY via <py2ny=[email protected]> wrote:

Yaesu FC-40 antenna tuner, conected to CAT rear panel of 857…
Enviado do meu iPhone

Em 11 de mar. de 2025, à(s) 21:32, Ryan Kovacs via <tukosei=[email protected]> escreveu:

?
What is an FC-40?

On Tue, Mar 11, 2025 at 8:12?PM Vitor, PY2NY via <py2ny=[email protected]> wrote:
Thanks Mike
I don't need to use sound card, because CW and SSB will
be the only modes in use.
Will check your sugestion. If not works, let's use 857 and
FC-40, with notebook in manual operation, regular keyer
and microphone hi hi
73 DX

Vitor Luis Aidar dos Santos
PY2NY, SP9NY, V26NY
Caixa Postal 204
Jaboticabal, SP (Brasil)
14870-970

On Tuesday, March 11, 2025 at 03:31:23 PM GMT-3, Mike via <f64=[email protected]> wrote:

Check out DigiRig.net-it works great with my FT857-D. Not sure if N1MM will drive a soundcard modem, but there are virtual TNC programs that it should work with. I use a paid version of VARA HF (again don’t know if it will work with N1MM). Check for some other links or N1MM webpage.

73 de Mike, KO4WX

Michael Boatright, M. Photog., CPP, GSD

Michael Boatright Photography

404.488.6644

Portraiture & Documentary Photography

Historic Wet Collodion Process

Goat Farm Arts Center

1200 Foster St., NW, Suite S301

ATLANTA, GEORGIA 30318

FB:?

IG:?

Certified Professional Photographer (PPA)

From: [email protected] <[email protected]> on behalf of py2ny via <py2ny=[email protected]>
Sent: Tuesday, March 11, 2025 12:56:49 PM
To: [email protected] <[email protected]>
Subject: [FT-857] FT857 + FC-40 + CAT
?

Good Morning

?

I will try to use FT857 next trip to Italy, in April.

Trying to buy a FC-40 to make it with a LongWire.

Notebook with an USB cable will control radio.

And this is my doubt now...

?

How can I connect FT-857 with FC-40 and keep it together CAT control from a notebook?

?

Usually working with N1MM+.

?

Thanks a lot... 73 DX from PY2NY

(but I/SP9NY in April)

Re: FT857 + FC-40 + CAT

#54329

Why not just use a 40m EFHW? Less stuff to carry and hook up? Unless you really want to operate on 12 and 17m.

Show quoted text

On Tue, Mar 11, 2025 at 10:54?PM Vitor, PY2NY via <py2ny=[email protected]> wrote:

Yaesu FC-40 antenna tuner, conected to CAT rear panel of 857…
Enviado do meu iPhone

Em 11 de mar. de 2025, à(s) 21:32, Ryan Kovacs via <tukosei=[email protected]> escreveu:

?
What is an FC-40?

On Tue, Mar 11, 2025 at 8:12?PM Vitor, PY2NY via <py2ny=[email protected]> wrote:
Thanks Mike
I don't need to use sound card, because CW and SSB will
be the only modes in use.
Will check your sugestion. If not works, let's use 857 and
FC-40, with notebook in manual operation, regular keyer
and microphone hi hi
73 DX

Vitor Luis Aidar dos Santos
PY2NY, SP9NY, V26NY
Caixa Postal 204
Jaboticabal, SP (Brasil)
14870-970

On Tuesday, March 11, 2025 at 03:31:23 PM GMT-3, Mike via <f64=[email protected]> wrote:

Check out DigiRig.net-it works great with my FT857-D. Not sure if N1MM will drive a soundcard modem, but there are virtual TNC programs that it should work with. I use a paid version of VARA HF (again don’t know if it will work with N1MM). Check for some other links or N1MM webpage.

73 de Mike, KO4WX

Michael Boatright, M. Photog., CPP, GSD

Michael Boatright Photography

404.488.6644

Portraiture & Documentary Photography

Historic Wet Collodion Process

Goat Farm Arts Center

1200 Foster St., NW, Suite S301

ATLANTA, GEORGIA 30318

FB:?

IG:?

Certified Professional Photographer (PPA)

From: [email protected] <[email protected]> on behalf of py2ny via <py2ny=[email protected]>
Sent: Tuesday, March 11, 2025 12:56:49 PM
To: [email protected] <[email protected]>
Subject: [FT-857] FT857 + FC-40 + CAT
?

Good Morning

?

I will try to use FT857 next trip to Italy, in April.

Trying to buy a FC-40 to make it with a LongWire.

Notebook with an USB cable will control radio.

And this is my doubt now...

?

How can I connect FT-857 with FC-40 and keep it together CAT control from a notebook?

?

Usually working with N1MM+.

?

Thanks a lot... 73 DX from PY2NY

(but I/SP9NY in April)

Re: FT857 + FC-40 + CAT

#54328

开云体育

Yaesu FC-40 antenna tuner, conected to CAT rear panel of 857…

Enviado do meu iPhone

Show quoted text

Em 11 de mar. de 2025, à(s) 21:32, Ryan Kovacs via groups.io <tukosei@...> escreveu:

?
What is an FC-40?

On Tue, Mar 11, 2025 at 8:12?PM Vitor, PY2NY via <py2ny=[email protected]> wrote:
Thanks Mike
I don't need to use sound card, because CW and SSB will
be the only modes in use.
Will check your sugestion. If not works, let's use 857 and
FC-40, with notebook in manual operation, regular keyer
and microphone hi hi
73 DX

Vitor Luis Aidar dos Santos
PY2NY, SP9NY, V26NY
Caixa Postal 204
Jaboticabal, SP (Brasil)
14870-970

On Tuesday, March 11, 2025 at 03:31:23 PM GMT-3, Mike via <f64=[email protected]> wrote:

Check out DigiRig.net-it works great with my FT857-D. Not sure if N1MM will drive a soundcard modem, but there are virtual TNC programs that it should work with. I use a paid version of VARA HF (again don’t know if it will work with N1MM). Check for some other links or N1MM webpage.

73 de Mike, KO4WX

Michael Boatright, M. Photog., CPP, GSD

Michael Boatright Photography

404.488.6644

Portraiture & Documentary Photography

Historic Wet Collodion Process

Goat Farm Arts Center

1200 Foster St., NW, Suite S301

ATLANTA, GEORGIA 30318

FB:?

IG:?

Certified Professional Photographer (PPA)

From: [email protected] <[email protected]> on behalf of py2ny via <py2ny=[email protected]>
Sent: Tuesday, March 11, 2025 12:56:49 PM
To: [email protected] <[email protected]>
Subject: [FT-857] FT857 + FC-40 + CAT
?

Good Morning

?

I will try to use FT857 next trip to Italy, in April.

Trying to buy a FC-40 to make it with a LongWire.

Notebook with an USB cable will control radio.

And this is my doubt now...

?

How can I connect FT-857 with FC-40 and keep it together CAT control from a notebook?

?

Usually working with N1MM+.

?

Thanks a lot... 73 DX from PY2NY

(but I/SP9NY in April)

Re: FT857 + FC-40 + CAT

#54327

What is an FC-40?

Show quoted text

On Tue, Mar 11, 2025 at 8:12?PM Vitor, PY2NY via <py2ny=[email protected]> wrote:

Thanks Mike
I don't need to use sound card, because CW and SSB will
be the only modes in use.
Will check your sugestion. If not works, let's use 857 and
FC-40, with notebook in manual operation, regular keyer
and microphone hi hi
73 DX

Vitor Luis Aidar dos Santos
PY2NY, SP9NY, V26NY
Caixa Postal 204
Jaboticabal, SP (Brasil)
14870-970

On Tuesday, March 11, 2025 at 03:31:23 PM GMT-3, Mike via <f64=[email protected]> wrote:

Check out DigiRig.net-it works great with my FT857-D. Not sure if N1MM will drive a soundcard modem, but there are virtual TNC programs that it should work with. I use a paid version of VARA HF (again don’t know if it will work with N1MM). Check for some other links or N1MM webpage.

73 de Mike, KO4WX

Michael Boatright, M. Photog., CPP, GSD

Michael Boatright Photography

404.488.6644

Portraiture & Documentary Photography

Historic Wet Collodion Process

Goat Farm Arts Center

1200 Foster St., NW, Suite S301

ATLANTA, GEORGIA 30318

FB:?

IG:?

Certified Professional Photographer (PPA)

From: [email protected] <[email protected]> on behalf of py2ny via <py2ny=[email protected]>
Sent: Tuesday, March 11, 2025 12:56:49 PM
To: [email protected] <[email protected]>
Subject: [FT-857] FT857 + FC-40 + CAT
?

Good Morning

?

I will try to use FT857 next trip to Italy, in April.

Trying to buy a FC-40 to make it with a LongWire.

Notebook with an USB cable will control radio.

And this is my doubt now...

?

How can I connect FT-857 with FC-40 and keep it together CAT control from a notebook?

?

Usually working with N1MM+.

?

Thanks a lot... 73 DX from PY2NY

(but I/SP9NY in April)

Re: FT857 + FC-40 + CAT

#54326

Thanks Mike

I don't need to use sound card, because CW and SSB will

be the only modes in use.

Will check your sugestion. If not works, let's use 857 and

FC-40, with notebook in manual operation, regular keyer

and microphone hi hi

73 DX

Vitor Luis Aidar dos Santos

PY2NY, SP9NY, V26NY

Caixa Postal 204

Jaboticabal, SP (Brasil)

14870-970

On Tuesday, March 11, 2025 at 03:31:23 PM GMT-3, Mike via groups.io <f64@...> wrote:

Check out DigiRig.net-it works great with my FT857-D. Not sure if N1MM will drive a soundcard modem, but there are virtual TNC programs that it should work with. I use a paid version of VARA HF (again don’t know if it will work with N1MM). Check winlink.org for some other links or N1MM webpage.

73 de Mike, KO4WX

Michael Boatright, M. Photog., CPP, GSD

Michael Boatright Photography

404.488.6644

Portraiture & Documentary Photography

Historic Wet Collodion Process

Goat Farm Arts Center

1200 Foster St., NW, Suite S301

ATLANTA, GEORGIA 30318

FB:?

IG:?

Certified Professional Photographer (PPA)

Show quoted text

From: [email protected] <[email protected]> on behalf of py2ny via groups.io <py2ny@...>
Sent: Tuesday, March 11, 2025 12:56:49 PM
To: [email protected] <[email protected]>
Subject: [FT-857] FT857 + FC-40 + CAT

?

Good Morning

?

I will try to use FT857 next trip to Italy, in April.

Trying to buy a FC-40 to make it with a LongWire.

Notebook with an USB cable will control radio.

And this is my doubt now...

?

How can I connect FT-857 with FC-40 and keep it together CAT control from a notebook?

?

Usually working with N1MM+.

?

Thanks a lot... 73 DX from PY2NY

(but I/SP9NY in April)

Re: FT857 + FC-40 + CAT

#54325

开云体育

Check out DigiRig.net-it works great with my FT857-D. Not sure if N1MM will drive a soundcard modem, but there are virtual TNC programs that it should work with. I use a paid version of VARA HF (again don’t know if it will work with N1MM). Check winlink.org for some other links or N1MM webpage.

73 de Mike, KO4WX

Michael Boatright, M. Photog., CPP, GSD

Michael Boatright Photography

404.488.6644

Portraiture & Documentary Photography

Historic Wet Collodion Process

Goat Farm Arts Center

1200 Foster St., NW, Suite S301

ATLANTA, GEORGIA 30318

FB:?

IG:?

Certified Professional Photographer (PPA)

Show quoted text

From: [email protected] <[email protected]> on behalf of py2ny via groups.io <py2ny@...>
Sent: Tuesday, March 11, 2025 12:56:49 PM
To: [email protected] <[email protected]>
Subject: [FT-857] FT857 + FC-40 + CAT

?

Good Morning

?

I will try to use FT857 next trip to Italy, in April.

Trying to buy a FC-40 to make it with a LongWire.

Notebook with an USB cable will control radio.

And this is my doubt now...

?

How can I connect FT-857 with FC-40 and keep it together CAT control from a notebook?

?

Usually working with N1MM+.

?

Thanks a lot... 73 DX from PY2NY

(but I/SP9NY in April)

FT857 + FC-40 + CAT

#54324

Good Morning

?

I will try to use FT857 next trip to Italy, in April.

Trying to buy a FC-40 to make it with a LongWire.

Notebook with an USB cable will control radio.

And this is my doubt now...

?

How can I connect FT-857 with FC-40 and keep it together CAT control from a notebook?

?

Usually working with N1MM+.

?

Thanks a lot... 73 DX from PY2NY

(but I/SP9NY in April)

Re: FT-857 Head and other parts available

#54323

开云体育

Hi folks,

The radio has been sold.

Thanks to all who expressed interest.

73 - BILL KA8VIT / W8COD

Show quoted text

From:[email protected] <[email protected]> on behalf of Jeff Steinkamp via groups.io <jksteinkamp@...>
Sent:?Thursday, February 27, 2025 1:53 AM
To:[email protected] <[email protected]>
Subject:?Re: [FT-857] FT-857 Head and other parts available

?

I might be interested in the head

Jeff K. Steinkamp (N7YG)
Tucson, AZ
Scud Missile Coordinates
N32.2319 W110.8477

------ Original Message ------

From "Box1600 via groups.io" <box1600@...>

To "[email protected]" <[email protected]>

Date 2/26/2025 14:31:35

Subject [FT-857] FT-857 Head and other parts available

I have an FT-857D with a bad processor.

Yaesu wants way too much to repair it.

The head unit and display, the VHF/UHF power amplifier board and HF amplifier board are all?good and working.

Anyone interested in any of these can contract me at:

ka8vit @ ka8vit . com

73 - BILL KA8VIT / W8COD

_._,_._,_

Re: FT-857d WILL NOT TURN ON. CYCLES ON/OFF ABOUT ONCE PER SECOND CONTINOUSLY

#54322
Edited

The head sends a regular sync pulse to the radio body. If the body does not get the sync, it shuts down. The issue is with the connection from head to radio. Clean that cable contacts or even better, change the cable.?

?

The other one that can cause all sorts of weird issues if corrupt serial EPROM. It stores the calibration settings amongst other things. Q1065 24LC128. This was what used to die when? the old version of HAMLIB was released years ago. This software library used to cause too many writes to the 24LC128 - so many it eventually wore it out. If you go back through the HAMLIB update logs you can see they received a request from Yaesu to stop all the writes because it caused so many warranty repairs. Ah the good old days of DSE Lane Cove service center :)

?

73 de zl1cvd

Re: FT-857d WILL NOT TURN ON. CYCLES ON/OFF ABOUT ONCE PER SECOND CONTINOUSLY

#54321

I had the same issue with the unit installed in my vehicle, with the head mounted remotely. This would happen intermittantly, but got progressively more often. I even swapped with my other radio from my shack, and it was doing the same when in the vehicle.
Tried setting up a mains power supply in the vehicle, incase it was a power issue, no change.
Eventually traced it to the cable between the head and main unit. I recrimped the RJ12 connectors both ends, and problem solved.
I have only had the issue re-occur once since, on a very hot day, above 40°C, and the vehicle had been in the sun all day, it settled down after driving for a while with the airconditioning on.
Hope that helps you.