[arm-allstar] Yaesu DR-1X Interface

Sun Dec 20 02:15:11 EST 2015

Very Strange.  I don't own one but I modified two that are on the air and working well. Unfortunately they are not here and I cannot measure levels at this point. I would start by looking at the levels with a scope. You could temporarily reconnect the RX to TX audio lines without being connected to the URI and look at it with a scope. See what the P-P levels are with a tone or normal voice. Make sure it is working properly that way, proper deviation. Then reconnect the URI and see what levels you are getting out of URI into the TX. Possibly the URI is not working correctly. Look at the level out of pin 22. Pin 22 should be connected to pin 24. Look at the level at pin 12. It should be amplified significantly from pin 22/24.  12V should be on pin 25.

It seems like your levels may be set wrong. You need to set the RX level first into the URI. On the simpleusb-tune-menu screen item 2 it should peak out to 6 Khz. If that level was way low then the output on pin 22 would be low.

You do have the repeater only in analog mode right?

73 Doug
WA3DSP
http://www.crompton.com/hamradio

From: kd0qcn at aecimo.org
Date: Sun, 20 Dec 2015 00:47:43 -0600
To: arm-allstar at hamvoip.org
Subject: Re: [arm-allstar] Yaesu DR-1X Interface

Doug,
I am running 12 volt into the URIX, and just to test I cranked the TX level to 999 and I still have audio that is still so low you can barely hear it. 
I'm open to suggestions as I have tried everything I can think of.
JeffKD0QCN 
On Dec 20, 2015, at 12:13 AM, Doug Crompton <doug at crompton.com> wrote:

Jeff,

 The DR1(x)  needs a lot of TX audio. In the mods I made I used the built-in amplifier in the DMK-URI and had the TX level set to almost max - like 950. That seemed to work OK. If you are already doing that and have very low audio then I guess yours is different for some reason. Also if you are using 5V to power the additional amp you could try running it from the suggested 12V. In that case you would need to use an external voltage to the opamp pin on the DMK-URI. Refer to the DMK web site for schematics and suggestions. Using 12V you should be able to develop more than enough audio.
Let me know what you finally find.

73 Doug
WA3DSP
http://www.crompton.com/hamradio

From: kd0qcn at aecimo.org
Date: Sat, 19 Dec 2015 22:29:08 -0600
To: arm-allstar at hamvoip.org
Subject: Re: [arm-allstar] Yaesu DR-1X Interface

Hey Doug and All,
OK, here is where I am on the interface, I followed your how to on hamvoip, the only thing I did different was I am going high on COS polarity because I didn't have the items necessary to do it and I'm an hour away from the nearest radio shack.  I set carrierfrom = USB to compensate.  Everything seems to be working fine except I have VERY low TX audio, as in the volume on my test radio is all the way up and can barely hear it. Local speaker audio is fine.  I even turned on the amplifier in the uri as suggested in the how to. What am I missing?
Thanks,Jeff Carlyle KD0QCN 

On Nov 30, 2015, at 3:57 PM, Doug Crompton <doug at crompton.com> wrote:

As I remember the ham I modified it for had tried the back connector and something did not work. I confirmed that again but I forget what didn't work. I am checking with the other ham and if I find anything out I will let you know. So in the end it was just easier to do the same mod as the DR1. 
73 Doug
WA3DSP
http://www.crompton.com/hamradio

From: kd0qcn at aecimo.org
Date: Mon, 30 Nov 2015 13:07:55 -0600
To: arm-allstar at hamvoip.org
Subject: Re: [arm-allstar] Yaesu DR-1X Interface

Doug,
Thanks for the clarification, would you be so kind as to expand on the problems you had using the back connector?  I would like to be able to explain to the club why I need to do it the way you explained vs just using the back connector.
Thanks,Jeff KD0QCN 

On Nov 30, 2015, at 10:55 AM, Doug Crompton <doug at crompton.com> wrote:

Jeff,

 I did go on to modify a DR1X and found problems with using the back connector. I ended up modifying it the same way as the DR1 and it worked fine with Allstar as a controller. Doing it the way I show in the mod works on both the DR1 and DR1X.
73 Doug
WA3DSP
http://www.crompton.com/hamradio

To: arm-allstar at hamvoip.org
From: kd0qcn at aecimo.org
Date: Mon, 30 Nov 2015 08:32:10 -0600
Subject: Re: [arm-allstar] Yaesu DR-1X Interface

    Doug,

    I did read the howto on hamvoip.org.  I was really wanting to use
    the 15 pin connector on the back of the DR-1X.  You stated in the
    howto that you did not have access to the DR-1X and you were unsure
    of how to interface with that 15 pin.  That is what I'm trying to
    figure out as we are trying to avoid cutting into the main harness
    inside the repeater.  Really all I need is something as simple as
    pin 1 of URI to pin 2 of DR-1X etc...  I was hoping someone had done
    this already as I hate to re-invent the proverbial wheel.

    73,

    Jeff

    KD0QCN

    On 11/30/2015 1:42 AM, Doug Crompton
      wrote:

      Did you read the howto on the
          hamvoip.org web page?

        73 Doug

          WA3DSP

          http://www.crompton.com/hamradio

        > From: kd0qcn at aecimo.org

          > Date: Sun, 29 Nov 2015 23:57:48 -0600

          > To: arm-allstar at hamvoip.org

          > Subject: [arm-allstar] Yaesu DR-1X Interface

          > 

          > Hi All,

          > 

          > My club has put me in charge of setting up a RPi2 with
          Allstar and interface that with our DR-1X repeater using a DMK
          URI. The problem I am having is I am seeing some information
          on the DR-1 interface but not on the DR-1X. The DR-1X uses the
          15 pin plug on the back of the repeater. We are not concerned
          with keeping the digital side of the repeater at this point.
          Has anyone done this interface and might possibly have the
          schematic of how you did it, or even something as simple as
          what pins you used?

          > 

          > Thanks in advance for any help!

          > 

          > Jeff 

          > KD0QCN 

          > _______________________________________________

          > 

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          >
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          > 

          > Visit the BBB and RPi2 web page - http://hamvoip.org

          > 

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