Re: Recent final board price / availability?
Mike,
That was awesome feedback, most every previous report missed one or more pieces of information.
Thank you, that was helpful,
toggle quoted message
Show quoted text
On Sep 18, 2024, at 08:02, mmmm <mmmmcalendar@...> wrote:
? Hi Ken.? Not sure if you were asking me this question, but I ordered the final boards by phone from Yaesu in the US.? I called the Contact Us/Parts number on their website.
?
I don't remember if I specified the FT-817, 818, or both.? From what I have read on this group, one board fits all, so I don't think it matters.? It says FT-817 Final Unit on the invoice.? I verified the part number they have is the same as what I read somewhere on this group.? I have a tracking number that indicates the shipment is in transit.
?
The cost was $26.17 US per board, plus shipping.
?
Mike KA2JAI
?
|
Re: Recent final board price / availability?
Hi Ken.? Not sure if you were asking me this question, but I ordered the final boards by phone from Yaesu in the US.? I called the Contact Us/Parts number on their website.
?
I don't remember if I specified the FT-817, 818, or both.? From what I have read on this group, one board fits all, so I don't think it matters.? It says FT-817 Final Unit on the invoice.? I verified the part number they have is the same as what I read somewhere on this group.? I have a tracking number that indicates the shipment is in transit.
?
The cost was $26.17 US per board, plus shipping.
?
Mike KA2JAI
?
|
Re: Recent final board price / availability?
Yeasu releases new Owner's manuals as the externals and user interface change. There've been maybe 5 or more released for the FTdx10 so far. Makes sense as more of the product becomes software defined. In the FT-8x7 series, it was the service manuals that got released more often. Also, they've started to release what I think of as a "summary" release which includes every part, layout, and schematic change over the total production run of all models. Last year, F1RVC posted the 817/818 release of the manual in this group at /g/ft817/files/FT-817_817ND_FT-818ND_TS_USA_EXP_EU_E137790J.pdfYaesu cal them Technical Supplements. You'll see that there were 4 different versions of the PA board. They're listed by lot number, not version. (the 817x and 818 versions are so close, they had continuous lot numbers) Anyway, this is the manual to look at, as it succeeds ALL of the hardware changes over both production runs. Lord knows about firmware changes, though. those remain totally opaque. Hope this helps, Jeff kn8a
|
Re: Recent final board price / availability?
Mike ordered and was shipped a finals board from Yaesu US recently, as noted here -? /g/ft817/message/115294
Please, describe exactly what you asked for and who you asked for, for example:
I called <Yaesu US or Europe> and asked for <FT-817 or FT-818> finals board and I was told ______
I think asking for FT-817 finals gets the 'unavailable' response, asking for the FT-818 finals gets you a replacement finals board that can replace the FT-817 finals.
YES, Yaesu should offer the FT-818 part when you request the FT-817 part, but that may not be happening, based on some anecdotal stories here.
toggle quoted message
Show quoted text
On Sep 17, 2024, at 08:36, Tech Guy <tech48055@...> wrote:
? Yaesu said they were no longer available as of early September 2024. I ordered a board from a place in Germany called funktechnik.
|
Re: Recent final board price / availability?
Yaesu said they were no longer available as of early September 2024. I ordered a board from a place in Germany called funktechnik.
|
Re: multi function encoder
Excellent job Nick,
Glad you got it fixed, good for a few years yet.
Andy
|
Re: multi function encoder
I got around to completing this repair today.
?
Yaesu sent me a Q9000795 rotary encoder (Alps, appears to be identical to the original one), they also sent me a new knob RA026960B. Total cost including tax and delivery was GBP11.66.
?
After removing the front panel , I was able to cut all the tabs off the old encoder, desolder the legs and clean the board. Very delicate operation, I noticed I scratched the coating off the ground track on top of the PCB in a couple of places, also the track below it but they checked OK for continuity.?
?
Fitted the new Alps encoder, cleaned the board and re-assembled. The radio has been sat on 40 meters monitoring some CW QSOs for the last couple of hours.
?
?
73
Nick
?
?
|
Re: Power output instable
Pietro, just for a little more info can you take a picture of the display when this is occurring and post it here?
?
--
Al Skierkiewicz
WB9UVJ
|
Re: Recent final board price / availability?
The finals are only one place that you can lose power.?
Drivers, Predriver, transformers, and (on mine) one of the power switch transistors to the predriver supply all can cause low power.
?
It is quite easy to check the RF voltages in-out of the p.a against the service manual values.
|
Re: Recent final board price / availability?
Yes, and presumably the 'new in box' FT-817 the OP got would have that issue...
toggle quoted message
Show quoted text
On Sep 14, 2024, at 14:11, Freyja Clark Turner <wa3jpg@...> wrote:
? The self oscillation problem on the original 817 can be dealt with on the older original PA board interface by reversing the phase for the input to it, I've done that to each 817 that has landed in my shack.? At least its worked for me.
Hadassah WA3JPG
Mike,
Besides the normal "transmit into non-resonant/non-existing antenna, blow finals" issue a Z817 can help with, there is the "battery pack drains, the finals self-oscillate and fry themselves" issue.
This issue is a particular concern for FT-817, not for FT-817nd or FT-818 radios.
Congrats on scoring a new in box radio after all these years, good luck! Ken, N2VIP ? I recently got a new in box 817 non ND. I just got the z817 tuner. I sure hope I can protect the finals with this setup. Any protection suggestions?? I don't think the first gen 817 can be repaired easily... IF
Mike WA1MAD I ordered them directly from Yaesu by phone.
?
Mike KA2JAI
?
Hadassah Freyja Sobel, J.D., Ph.D. Arroyo Grande, CA.
|
Re: Recent final board price / availability?
The self oscillation problem on the original 817 can be dealt with on the older original PA board interface by reversing the phase for the input to it, I've done that to each 817 that has landed in my shack.? At least its worked for me.
Hadassah WA3JPG
Mike,
Besides the normal "transmit into non-resonant/non-existing antenna, blow finals" issue a Z817 can help with, there is the "battery pack drains, the finals self-oscillate and fry themselves" issue.
This issue is a particular concern for FT-817, not for FT-817nd or FT-818 radios.
Congrats on scoring a new in box radio after all these years, good luck! Ken, N2VIP ? I recently got a new in box 817 non ND. I just got the z817 tuner. I sure hope I can protect the finals with this setup. Any protection suggestions?? I don't think the first gen 817 can be repaired easily... IF
Mike WA1MAD I ordered them directly from Yaesu by phone.
?
Mike KA2JAI
?
-- Hadassah Freyja Sobel, J.D., Ph.D. Arroyo Grande, CA.
|
Re: Recent final board price / availability?
The original, FT-817 finals used transistors that are no longer available, so technically the rep was correct, BUT...
The FT-818 has a (slightly) redesigned finals board that has a new, readily available set of finals, AND it is backwards compatible with both the FT-817 and FT-817nd.
You should have asked for an FT-818 finals board, and he should have suggested it as a replacement alternative.
toggle quoted message
Show quoted text
On Sep 14, 2024, at 09:02, Mike Bryce <prosolar@...> wrote:
? Were these FT-818 finals or FT817? When I called a couple of months back, the service guy told me no 817 finals are available and none are planned on being made due to lack of transistors (MOSFETs)
?
mike wb8vge
|
Re: Recent final board price / availability?
Mike,
Besides the normal "transmit into non-resonant/non-existing antenna, blow finals" issue a Z817 can help with, there is the "battery pack drains, the finals self-oscillate and fry themselves" issue.
This issue is a particular concern for FT-817, not for FT-817nd or FT-818 radios.
Congrats on scoring a new in box radio after all these years, good luck!
toggle quoted message
Show quoted text
On Sep 14, 2024, at 08:13, Mike Davis <maddmd818@...> wrote:
? I recently got a new in box 817 non ND. I just got the z817 tuner. I sure hope I can protect the finals with this setup. Any protection suggestions?? I don't think the first gen 817 can be repaired easily... IF
Mike WA1MAD I ordered them directly from Yaesu by phone.
?
Mike KA2JAI
?
|
Re: Power output instable
@
?
Thanks Al.
That's what I was hoping for. No luck...
?
Pietro I2OIM
|
Re: Recent final board price / availability?
Were these FT-818 finals or FT817? When I called a couple of months back, the service guy told me no 817 finals are available and none are planned on being made due to lack of transistors (MOSFETs)
?
mike wb8vge
|
Re: Recent final board price / availability?
I recommend getting the interface cable for it, if you don't have it, so it reduces power during tuning.
?
Mike KA2JAI
?
|
Re: Recent final board price / availability?
I bought a finals board for my 817ND from Yaesu UK last month. It arrived in two days.
?
--
Mike G8GYW
|
Re: Recent final board price / availability?
I recently got a new in box 817 non ND. I just got the z817 tuner. I sure hope I can protect the finals with this setup. Any protection suggestions?? I don't think the first gen 817 can be repaired easily... IF
Mike WA1MAD
I ordered them directly from Yaesu by phone.
?
Mike KA2JAI
?
|
Re: Recent final board price / availability?
I ordered them directly from Yaesu by phone.
?
Mike KA2JAI
?
|
Re: Recent final board price / availability?
Who did you order them from? ?
toggle quoted message
Show quoted text
From: [email protected] <[email protected]> On Behalf Of mmmm via groups.io
Sent: Friday, September 13, 2024 3:51 PM
To: [email protected]
Subject: Re: [ft817] Recent final board price / availability?? I ordered 2 on Aug 7.? I was told I wouldn't be charged until they shipped and to expect Oct delivery.? I received an invoice with a tracking number today.
|
M0RON
Al WB9UVJ
Pietro Molina
