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Hello,
I bit the bullet this past weekend and bought the FTDX10. I forgot to pick up the adapter cable for my Z11 Pro 2 tuner.?
I¡¯ve been searching the message archive. I saw mention of the?Y-ACC-2 but I¡¯m unable to find it on HRO¡¯s website.?
Is the?Y-ACC-2 definitely the right cable?
Thanks in advance!
-JeffH - W4JEW
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Jeff,
Yes, the Y-ACC-2 is the right cable according to the DXEngineering
website which also states:
"FTDX10 ??? Z-11ProII ??? Connects to transceiver TUNER port,
enabled in menu: Operation, General, Tuner Select, set to EXT. This
action disables RS232C port. "??? BUT... the cable has not been
available for several months... perhaps discontinued.
However, you can make one using the information in the group's Files
--> LDG Cables 2022.zip.?? After downloading the zip file and
extracting the files within it open the "Y-ACC-2 CABLE.PDF".
Enjoy...
73,
Ed - ad7gr
On 1/2/2023 2:54 AM, JeffH - W4JEW
wrote:
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Hello,
I bit the bullet this past weekend and bought the FTDX10. I
forgot to pick up the adapter cable for my Z11 Pro 2 tuner.?
I¡¯ve been searching the message archive. I saw mention of the?Y-ACC-2 but I¡¯m unable
to find it on HRO¡¯s website.?
Is the?Y-ACC-2 definitely the
right cable?
Thanks in advance!
-JeffH - W4JEW
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Ah ha! That was going to be my next question! I was looking around for the cable and it appears to be on back order everywhere I checked.?
I have a spare 8 pin connector and a TRS connector. Seems easy enough!?
Thanks so much!
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Hello - it's me again... I went back through the Yaesu documentation and found that the tuner port is actually an 8-pin Mini-DIN on the FT-DX10. The documentation for the Y-ACC-2 cable shows a 10-pin Mini-DIN. The diagram for the Y-ACC-2 specifies which pin to connect to which sleeve on the 3.5m connector but doesn't specify what the pins correspond to on the radio side. Taking this diagram into consideration, which pins should I connect to on the Mini-DIN 8-pin connector? I'm guessing the Tuner Sense and either GND or TX GND, but wanted to verify first.  Thanks!
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Hi Jeff,
I am setting up a new FTDX10. Tuner cables are unavailable/backordered, so I thought I would simply make my own. Ten pin DIN¡¯s are also hard to find at decent prices. Just as I was ready to hit ¡°buy¡± on Amazon for an inexpensive video/audio cable with a rare ten pin DIN on one end that I could modify to meet the tuner cable need, I noticed the same thing about the 8 vs 10 pin DIN tuner cable!! The FTDX10 manual clearly shows 8 pins for the tuner port, yet all the comments on the web and LDG literature strangely/consistently talk about ten pins for the tuner cable entire FTDX line.. This also leaves me, like you, with the correct 8 pin DIN wiring question.. Wondering if Yaesu made changes on new FTDx10¡¯s?
73, Steve KE4LC
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The Y-ACC-2 cable is intended to go into the Linear port on the FXdx10, which is 10 pin. I would think using the same-named pins on the 8-pin tuner port would work, but I haven¡¯t tried. ?If you can find one, the Y-PAC-1200 cable (long discontinued I think) works and also powers the tuner. PA1RAF has a video on YT giving the pinout of this cable.?
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Thanks, Gregor for letting us know. I¡¯ll check out the YouTube video as soon as I can and make the cable in my shop. I will also let our LDG friends know so they can clarify the uncertainty. They clearly mention its use for the rig¡ªtuner cable, not the linear! Fortunately, unlike the rare ten pin version, eight pin DIN connectors are widely available. Already have the 3 connector jack on the other end. Will report back here as well.
In fairness, both LDG and MFJ have a lot of confusion swirling around the internet around various tuner cabling setups, made worse by recent supply chain problems. It¡¯s hard for small companies to keep up their literature up-to-date with the many rig setups on the market. Thankfully, forums like this help fill in the gaps. ?
Thanks/73, Steve KE4LC
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Hi, I have been studying the AT1000 manual and this forum prior to a possible purchase and venture to suggest that the yaesu 8pin tuner ports do not seem to have the ¡±tx req¡± needed to allow tuning by pressing tune on the ldg atu, hence why the linear port is used for ldg YACC cables. I will be making up a YACC ?cable for my FTDX3000 using ?a DB15 male plug ( 2 row, ?not ¡°hi density¡± 3 row) from the Linear port to ldg tuner and using either the transceiver¡¯s Tuner port ?tx gnd ?and gnd to my linear amp or soldering an additional lead to the linear port DB15 plug tx gnd and gnd (and alc if needed) for the linear amp. I do not understand the meaning or function of all the Yaesu Tuner port pins that LDG seem not to use (but that some MFJ units do use that simulate a Yaesu ATU enough to allow tuning by pressing the transceiver¡¯s tune button)? In contrast the LDG tuner¡¯s seem to need the ¡°tx req¡± connection to tell the transceiver to transmit CW (at the tuning power set in the transceiver menu) when you press tune on the ATU. Any comments please? 73s
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On 4 Jan 2023, at 13:25, Gregor NW7GO <Talk.to.gregorh@...> wrote:
?The Y-ACC-2 cable is intended to go into the Linear port on the FXdx10, which is 10 pin. I would think using the same-named pins on the 8-pin tuner port would work, but I haven¡¯t tried. ?If you can find one, the Y-PAC-1200 cable (long discontinued I think) works and also powers the tuner. PA1RAF has a video on YT giving the pinout of this cable.?
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A note to Yaesu support will
give you your verification, either phone or email.
73,
Kent
K9ZTV
On 1/3/2023 10:14 PM, JeffH - W4JEW
wrote:
... which pins should I connect to on the Mini-DIN 8-pin
connector? I'm guessing the Tuner Sense and either GND or TX GND,
but wanted to verify first.
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Back when I had a FT-dx1200 I made my cable to connect the rig to my
AT-600Pro tuner and if the other Yaesu rigs are the same (check your
manual) then you can replicate what I did.
The PDF of my "LDG AT-600Pro AutoTuner to FT-dx1200 adapter cable
project.pdf" which is the solution I used is still available in the
Files folder of the groups.io/g/FTdx-1200.
If anyone needs a copy they can go there to download it or contact
me off list and I will email it to you.?? I have already
sent it to Jeff.
73,
Ed - ad7gr
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>> Any comments please?
?It¡¯s all about point of control. The TX REQ signal leaves the tuner in control; the tuner simply asks the rig to initiate a tuning cycle, and then releases the line when it¡¯s done so the rig can go back to normal operation. The other arrangement is where the rig is the control point. When the ¡¯Tune¡¯ button on the rig is pressed, it informs the tuner of its intention to tune and then initiates the cycle. In this scenario, the RX D and TX D lines play a critical role; they are serial communications lines (4800 baud I believe), through which the rig and tuner exchange commands and responses.?
?Also, the rig constantly informs the tuner of the dial frequency through these lines, so that if the tuner has a memorized setting for that frequency already, it can switch there preemptively without the need for any tune cycle. Besides the Yaesu and some MFJ tuners, the mAT series of tuners (mAT-30 and mAT-40) also implement this capability. If you have a bunch of memorized tune points and simply tune across the the band in receive mode, you can hear the relays in the tuner clicking as they follow the receive frequency. ?Really slick.
73 -=[ Steve ]=- KE0VDC
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Hi, I have been studying the AT1000 manual and this forum prior to a possible purchase and venture to suggest that the yaesu 8pin tuner ports do not seem to have the ¡±tx req¡± needed to allow tuning by pressing tune on the ldg atu, hence why the linear port is used for ldg YACC cables. I will be making up a YACC ?cable for my FTDX3000 using ?a DB15 male plug ( 2 row, ?not ¡°hi density¡± 3 row) from the Linear port to ldg tuner and using either the transceiver¡¯s Tuner port ?tx gnd ?and gnd to my linear amp or soldering an additional lead to the linear port DB15 plug tx gnd and gnd (and alc if needed) for the linear amp. I do not understand the meaning or function of all the Yaesu Tuner port pins that LDG seem not to use (but that some MFJ units do use that simulate a Yaesu ATU enough to allow tuning by pressing the transceiver¡¯s tune button)? In contrast the LDG tuner¡¯s seem to need the ¡°tx req¡± connection to tell the transceiver to transmit CW (at the tuning power set in the transceiver menu) when you press tune on the ATU. Any comments please? 73s ?The Y-ACC-2 cable is intended to go into the Linear port on the FXdx10, which is 10 pin. I would think using the same-named pins on the 8-pin tuner port would work, but I haven¡¯t tried. ?If you can find one, the Y-PAC-1200 cable (long discontinued I think) works and also powers the tuner. PA1RAF has a video on YT giving the pinout of this cable.?
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Hello everyone! I thought I would circle back after I had an opportunity to build a cable for my Yaesu FT-DX10. Even though it was possible, I did not want to use the Linear port on the FT-DX10 to connect to my LDG Z-11 Pro 2 especially when there's a dedicated Tuner port. Instead of using a 10-pin Mini-DIN as is found on the Y-ACC-2, I opted for an 8-pin Mini-DIN connector. I purchased (10-pack - they were cheap) from Amazon, as well as a high-quality . I chopped the 8-pin Mini-DIN Serial RS232 cable in half, then used the continuity setting in my multi-meter to determine which wire corresponded to which pin on the Mini-DIN 8 connector. I located the wires corresponding to the pins that connect to the TUNER SENSE and GND sockets on the FT-DX10 and soldered them to the 1 and 3 positions respectively on a TRS connector. Here's a diagram (PNG format) to show what I did:  I also attached a copy of the diagram in PDF format so it could be archived in the Files section here on Groups.io. Thanks to everyone that responded. Best Regards and 73! -JeffH Jeff Hochberg W4JEW Atlanta GA
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Thanks for documenting/sharing the cable build. Greatly appreciated. Will give it a try here.
73, Steve KE4LC
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Thank you for the diagram Jeff.? I purchased the TRS connector and a mini DIN 8 cable and soldered the GND pin to the sleeve and the Tuner Sense pin to the tip.? Powered down my radio, connected the DIN cable to the Tuner port and the TRS plug to the LDG Z-11 Pro II and set the radio's tuner setting to EXT.? When I press the tune button on the LDG tuner, nothing happens.? It is in semi-automatic mode.? How have you gotten the tuner to talk to the radio to get it to reduce power and send a carrier per the LDG manual?
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I see a lot of confusion and mis-assumptions being made regarding the use of LDG auto-tuners with Yaesu transceivers.?
??
NONE of the LDG autotuners directly interface with the serial communication of the Yaesu 8 pin mini-DIN tuner port, which ONLY works with the Yaesu FC- series tuners.?
TUNER SENSE (pin 6) on the 8 pin mini-DIN connector on the Yaesu transceiver goes low (FC- tuner connection to GND) to indicate an FC-series tuner is connected, but is otherwise not a control signal.?
See ? for reverse engineering of the Yaesu FC-30 serial commands.?
LDG discontinued the Y-QTT (Yaesu One-Touch-Tune) interface, which used a PIC micro to convert serial commands to/from the Yaesu 8 pin mini-DIN CAT/TUNER (TXD pin 4, RXD pin 5) into the discrete _START/_KEY signals to/from the LDG 3.5mm jack.?
(A great Github candidate would be an open source reverse-engineered replacement for the Y-OTT).?
?
All LDG autotuners have either the original 3.5mm TRS interface connector or the 8 pin mini-DIN connector on the Z-100A?
ALL LDG autotuner models operate the same, they just have different interface cable connectors:?
?LDG tuner +12V is mini-DIN pin 1, or center pin on a separate 2.5/5.5mm coaxial power plug on models with the 3.5mm TRS jack? ?
?LDG tuner common GND is 3.5mm SLEEVE, or mini-DIN pin 4.?
?LDG tuner input _START (3.5mm RING or mini-DIN pin 5) going low starts the tuning cycle, the same as pressing the button on the tuner.?
?LDG tuner output _KEY? (3.5mm TIP? or mini-DIN pin 6) signals the transceiver to transmit a REDUCED POWER carrier during tuning.? This connects to TX-REQ (pin 10 on the 10 pin mini-DIN LINEAR connector).??
See page 6 of https://hamoperator.com/HF/AH-4_Design_and_Operation.pdf to see the _START and _KEY signal timing.?
?
TX-REQ (pin 10 on the 10 pin LINEAR connector) signals the yaesu transceiver to REDUCE POWER and transmit a carrier for the autotuner.?
The Y-ACC-2 cable has no connection to the LDG 3.5mm RING (_START), since these is no compatible signal available fro? the Yaesu transceiver.?
You need to press the button on the tuner to initiate tuning. The Y-ACC-2 cable connection (TX-REQ) signals the Yaesu transceiver to transmit a REDUCED POWER carier.??
?
The LDG tuner manuals warn to never transmit more than 10 watts while tuning.?
This reduces wear to the arcing relay contacts and minimizes the chance of damage to the transceiver final amplifier due to momentary high SWR.?
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Thank you for your comments, N0YWB.? I was one of the confused. I built a DIN8 to TRS cable per another users implication that they got it to work and it failed to work for me.? So, I have a DIN10P cable (fully wired extension cable) on order, which I will cut and connect pins 3 and 10 to sleeve and tip, respectively, per the Y-ACC-2 wiring diagram (same as your primer above).? So, hopefully when I press TUNE on the Z-11 Pro II, I get a reduced power carrier and a tuned up LDG!? Do you know how much an FTDX10 reduces power when it gets a TX-REQ?
?
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The FT-DX10 has a buuilt-in antenna tuning unit with a 16.5 to 150 ohm matching capability.?
The Z-11ProII has the same power rating but can handle a wider range of 6 to 1000 ohms.?
Make sure the FT-DX10's internal ATU is disabled when using the external tuner.?
See pages 54-55 of the FT-DX10 Operating Manual.
?
The FT-DX10 does not mention that it reduces power to an external tuner, although it may.?
The FT-857D manual mentions that power is reduced when TX-REQ is grounded, but does not specify the power level used.??
The FT-DX5000 has a separate TX REQ RCA jack. There is a menu for setting the power level when tuning.??
?
The Z-11ProII manual says to reduce power to 25 watts or less before manual tuning.??
Minimum power for tuning is not specified, but probably the same minimum 5 watts as the AT-200ProII specifies.??
My advise is to connect a HF RF? watt meter between the FT-DX10 and external ATU and measure the power used while tuning.??
If above 10 watts, manually adjust the transmit power below 10 watts before tuning, and remember to do that each time before tuning.??
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I don't mean to stray too far from the original topic of this thread, but I have a related question.? I own a FT-DX10 and also have an old LDG YT-1200 which was oroginally designed to interoperate with Yaesu FT-DX1200, FT-DX3000 and some other Yaesu products of that generation.? I am wondering if the YT-1200 could be used with my FT-DX10 without much ado.??
I did glance at the CAT Reference guide for the FT-DX10 and the FT-DX1200 and it seems that the "antenna tuner control" commands are identical.? I suspect (but haven't confirmed) that other CAT commands that might be needed for this purpose are also common to the two radios.?
Any advice/suggestions would be welcome.
Thanks,
Carl K3RV?
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To followup:? ?I purchased an LDG IC-109 cable, which has only 3 pins wired from the 10 pin DIN to the other 6 pin end.? Fortunately, 2 of the wires are the correct 2 wires (pin 10 and 3).? The 10 pin fits the FTDX10's linear amp port.? I connected the 2 necessary wires to a TRS plug per the Y-ACC-2 cable diagram and the Tune button from the LDG Z-11Pro II successfully requests and receives a carrier and tuning commences.? I did connect a power meter (not a great one) and from my observations, the power is reduced, but it appears to bounce around 50W.? I cannot tell if this high of a reading is an artifact of the needle bouncing due to an ongoing tune or if it is only lowering the carrier power to 50W, so out of caution, I am going to lower my power to 15W or so prior to tuning from here on out.? I have a 40m EFHW and I don't need to tune for every band, so it won't be too much of a pain.? Certainly faster than the manual unit I was using!? Thanks everyone for your help... especially N0YWB... :)
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Thanks Spencer
Did you change the general/tuner select option to ext or atas to make this work? Or leave at default of int?
thanks
Ed WA7EM
On Monday, January 30, 2023 at 06:49:25 PM MST, Spencer (KQ4CWK) <sehochst@...> wrote:
[Edited Message Follows]
To followup:? ?I purchased an LDG IC-109 cable, which has only 3 pins wired from the 10 pin DIN to the other 6 pin end.? Fortunately, 2 of the wires are the correct 2 wires (pin 10 and 3).? The 10 pin fits the FTDX10's linear amp port.? I connected the 2 necessary wires to a TRS plug per the Y-ACC-2 cable diagram and the Tune button from the LDG Z-11Pro II successfully requests and receives a carrier and tuning commences.? I did connect a power meter (not a great one) and from my observations, the power is reduced, but it appears to bounce around 50W.? I cannot tell if this high of a reading is an artifact of the needle bouncing due to an ongoing tune or if it is only lowering the carrier power to 50W, so out of caution, I am going to lower my power to 15W or so prior to tuning from here on out.? I have a 40m EFHW and I don't need to tune for every band, so it won't be too much of a pain.? Certainly faster than the manual unit I was using!? Thanks everyone for your help... especially N0YWB... :)
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JeffH - W4JEW
Ed - ad7gr
N0YWB