The Kenwood factory KPG-4 cable that I have used for the past 25+ years terminates in a DB-25 serial connection.? If you have a factory cable you will need buy or build a DB-9 to DB-25 cable.? As far as the aftermarket cables I have seen some that work 100%, some that didn’t work at all, so buyer beware. ? Feel free to PM me if you need more info. ? Andy / NC4AB ?
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From: [email protected] [mailto:[email protected]] On Behalf Of MIKE CHRISTIE via groups.io
Sent: Wednesday, January 6, 2021 9:57 PM
To: [email protected]
Subject: Re: [repeater-builder] Kenwood TK-760H VHF ? Andy
Thanks for the reply. I purchased the KPG-4 cable which is what I was trying to use and was using DOS. But I'm confused because the KPG-4 cable I bought
has a serial pin connector on the end going to the computer and you said it has a 25 pin connector on it. Should i have purchased one with a 25 Pin connector?
Thanks
Mike
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Re: TKR-850 interfacing with a CM108 USB FOB Allstar/Echolink
Skyler,
Did you tie both the RX & TX GND together off the DB25? I didn't see a schematic for the 850 to see if there was any concern about bonding the two ground pins together...
Only reason it raised some red flags was the service manual alludes to only using the ground associated with the corresponding signal pin. In other words, TX audio use only TX Gnd and RX/RA audio use RA Gnd. Just seems weird that they don't have a common ground pin for all I/O on the 25pin connector.
-J
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25 pin to 9 pin adapters are very common, or at least used to be!
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Hi Mike,?
The 25 pin is "probably" serial.
The connector you referred to as "serial", I assume is a 9 pin. I this case, both are "probably" serial.
These two connector types are quite commonly used in all types of electronic connections. Know what you are dealing with. Many have been surprised with damaged equipment in the computer and communications industry by grabbing a cable and plugging
it in "because it fit". Same with microphone connectors blowing mic preamps.
Knowing the wiring (signal and pin#) on the 25 pin and 9 pin, you can quickly make an adapter if necessary.
Been there, seen it, and yes, I've done it!
Frank N6CES
Andy
Thanks for the reply. I purchased the KPG-4 cable which is what I was trying to use and was using DOS. But I'm confused because the KPG-4 cable I bought
has a serial pin connector on the end going to the computer and you said it has a 25 pin connector on it. Should i have purchased one with a 25 Pin connector?
Thanks
Mike
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Hi Mike,? The 25 pin is "probably" serial. The connector you referred to as "serial", I assume is a 9 pin. I this case, both are "probably" serial. These two connector types are quite commonly used in all types of electronic connections. Know what you are dealing with. Many have been surprised with damaged equipment in the computer and communications industry by grabbing a cable and plugging it in "because it fit". Same with microphone connectors blowing mic preamps. Knowing the wiring (signal and pin#) on the 25 pin and 9 pin, you can quickly make an adapter if necessary. Been there, seen it, and yes, I've done it! Frank N6CES
Andy
Thanks for the reply. I purchased the KPG-4 cable which is what I was trying to use and was using DOS. But I'm confused because the KPG-4 cable I bought
has a serial pin connector on the end going to the computer and you said it has a 25 pin connector on it. Should i have purchased one with a 25 Pin connector?
Thanks
Mike
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At 1/6/2021 06:57 PM, you wrote: Andy
Thanks for the reply. I purchased the KPG-4 cable which is what I was trying to use and was using DOS. But I'm confused because the KPG-4 cable I bought
has a serial pin connector on the end going to the computer and you said it has a 25 pin connector on it. Should i have purchased one with a 25 Pin connector? All the KPG-4s I've seen have a 9 pin serial connector. They may be aftermarket but they should work. Mine works on the TK-805D, TK-860 & TK-880. Bob NO6B
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Andy
Thanks for the reply. I purchased the KPG-4 cable which is what I was trying to use and was using DOS. But I'm confused because the KPG-4 cable I bought
has a serial pin connector on the end going to the computer and you said it has a 25 pin connector on it. Should i have purchased one with a 25 Pin connector?
Thanks
Mike
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Re: Radius speaker and housing wanted
Yes, Mike, what's your email or phone number?? If you don't wanna post it, look me up on email (site below)(thanks)
--
Regards, Karl Shoemaker
To contact me, please visit SRG's web site at?
for the current email address.
-
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Re: TKR-850 interfacing with a CM108 USB FOB Allstar/Echolink
I just did an install on the spot at a site with a tkr-850. I just used the signal ground and had no problem with a modified sound FOB to the db25. The COR pickoff point was the weird thing for me, I think the repeater was programmed different because I ended up picking COR off a random pin of the db25 after probing each pin while keying up the repeater.?
I've done it lots of times without issue. --
73,
-de John NI0K
jeremy_georges via wrote on 1/6/2021 4:57 PM:One
question is with regards to ground. In the service manual it shows pin
12 as RA/RD ground and pin 19 as TX signal ground. It labels them as
(for RX, RD ground only) & (for TX, TD ground only)? respectively.??
But on the FOB, the audio grounds are all on a common ground.
Are
there any issues with combining the RA & TA grounds on the TKR-850?
Thanks,
-J
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Re: TKR-850 interfacing with a CM108 USB FOB Allstar/Echolink
I've done it lots of times without issue. --
73,
-de John NI0K
jeremy_georges via groups.io wrote on 1/6/2021 4:57 PM:
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One
question is with regards to ground. In the service manual it shows pin
12 as RA/RD ground and pin 19 as TX signal ground. It labels them as
(for RX, RD ground only) & (for TX, TD ground only)? respectively.??
But on the FOB, the audio grounds are all on a common ground.
Are
there any issues with combining the RA & TA grounds on the TKR-850?
Thanks,
-J
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Re: Regulator - 12vdc to 5vdc for Raspberry Pi
Hi Danny,
which Amazon Basics adapter are you using? Looks like they have a few different ones.
here is one rated at 4.8Amps
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Re: TKR-850 interfacing with a CM108 USB FOB Allstar/Echolink
One question is with regards to ground. In the service manual it shows pin 12 as RA/RD ground and pin 19 as TX signal ground. It labels them as (for RX, RD ground only) & (for TX, TD ground only)? respectively.?? But on the FOB, the audio grounds are all on a common ground.
Are there any issues with combining the RA & TA grounds on the TKR-850?
Thanks,
-J
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TKR-850 interfacing with a CM108 USB FOB Allstar/Echolink
Hi folks,
I'm thinking of moving my TKR-850 over to a RaspPi with a modified CM108 USB FOB to use Allstar/hamvoip for the link interface on a private network (backhaul IP over a point-to-point link).
At any rate, I got it working just fine with some Maxtrac radios on the bench. PTT is buffered with a 3904 Transistor and the COR signal has a bat43 Schottky diode to protect the cm108 chip.
Its working great with the Maxtracs. But want to move these over to the TKR-850.
Are there any gotcha's that I should be aware of? I'm planning on using the DB25 on the back for PTT, TX & RX audio. Send COR out one of the programmable pins. Seems pretty straight-forward; but wasn't sure if there might be a potential issue that I haven't thought through. I assume you set the Op Mode to 'duplex' instead of Repeat?
Thanks,
-J
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MSR 2000 TLD 2532 final resistor information needed.
We have three of these intermittent duty power amps in service with several spares. At 50 to 60 watts they seem to work for about 5 years in normal armature repeater use. I have repaired them by replacing the feed and bias resistors feeding the two power transistors. I have the following questions to anyone that is familiar with repairing these PA's.
1. Do the power feed resistors R831, R832, R833 have to be carbon resistors?? What type is best to use?
2.The bias resistors R830. R815 & 16 and R834 & 35 appear to be metal film.? ?What type is best to use?
The last couple of units I repaired I cut two 2 inch holes in the back cover and mounted a small muffin fan over the final transistors. This seems to help but if anyone has information on the best type of resistors to use it would be appreciated.
Wayne
WA5LUY
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Mike – ? Sounds like you are on the right track, just make sure you are running KPG-29D on a computer running DOS (No Windoze).? Correct factory cable is a KPG-4 which has a 25 pin serial connection on one in and a 6 pin connector on the other end to plug into the microphone jack.? Been a while since I programmed one but it seems like you can select a limited number of com ports in the software for the programming cable. No special buttons to hold down, the radio should indicate “program” when you plug the cable into the microphone jack IIRC. ? Andy / NC4AB ?
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From: [email protected] [mailto:[email protected]] On Behalf Of MIKE CHRISTIE via groups.io
Sent: Wednesday, January 6, 2021 3:51 PM
To: [email protected]
Subject: [repeater-builder] Kenwood TK-760H VHF ? We have a Kenwood TK-760H VHF that needs to be reprogrammed. I have the correct software KG-29D and just got what I believe is the correct Serial Port programming cable however I cannot read the radio. I’ve looked at the RB website and found the manual for the radio but no other information on programming other than the software to use. Is there anyone in the group that could shed some light on what the problem could be. Thanks Mike W1ZFB
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We have a Kenwood TK-760H VHF that needs to be reprogrammed. I have the correct software KG-29D and just got what I believe is the correct Serial Port programming cable however I cannot read the radio. I’ve looked at the RB website and found the manual for the radio but no other information on programming other than the software to use. Is there anyone in the group that could shed some light on what the problem could be.
Thanks
Mike
W1ZFB
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NHRC PXP ,,i need a PIC or the file !!!
Hi all
i hope your are all ok ,
i need a new PIC for my Ge Phoenix programmer from NHRC PXP.
On their web site they are saying they dont respond much to consumer service,
maybe there is a gentleman here that can help me,i need another PIC or a copy of the file so i could ask a friend to burn me a new PIC,,mine is dead because of a ground loop i add!
can someone help me !
i need that programmer
you can answer me direct at ve2ckn2 at hotmail.fr
thanks guys for the help and
Best 2021 ,wear your mask?
gervais?
ve2ckn
Riviere-Bleue,Quebec near Escourt,Maine?
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OT: Sea-Pac 2021 Cancelled
From the SEA-PAC Executive Committee Chairman
?
The SEA-PAC Executive Committee has been closely monitoring the continuing COVID-19 pandemic situation has determined that the safest course of action for all is to cancel the 2021 in-person event.
?
This decision was based on the uncertainties of more COVID outbreaks, vaccine availability to all, and the probable social distancing requirements.? But most importantly, it is based on our genuine concern for the health and safety of you, the attendees, vendors, and presenters.? We firmly believe that providing our Ham Radio community with a safe and quality convention experience is paramount.
?
To offset this cancellation, the SEA-PAC Committee is exploring alternate online and on-air activities to engage our loyal attendees during 2021.? Watch for future SEA-PAC Wave newsletters with the details as they become available.
?
Finally, we look forward to hosting you again in Seaside, Oregon, on June 3rd, 4th and 5th, 2022. Thank you for your patience and understanding and we invite you to start planning for SEA-PAC 2022.
?
73,
John Bucsek, KE7WNB
2021 SEA-PAC Chairman
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Thank you so very much, it works like a charm now. 73 Larry KA0TAO?
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Re: Radius speaker and housing wanted
Hi Karl,
Just found a pristine radius housing with speaker if you are still looking for one.
Mike VE7SML
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Re: Regulator - 12vdc to 5vdc for Raspberry Pi
Jim,
These are similar to what we have "upgraded" to for our MTR2k board. Ours do not have the voltmeter integrated. We also swap the variable device for a fixed 5v one.
Scott
Scott Zimmerman
Amateur Radio Call N3XCC
474 Barnett Road
Boswell, PA 15531
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On 1/5/2021 2:01 PM, Jim Brown via groups.io wrote: These are the ones I use.? They are nice to reassure you that the Pi and modem are getting the correct voltage.? You can check the supply voltage at the same time by pushing a button on the unit.? I have put about 25 of these in service over the last five years and have had no failures.? I connect the power out to a couple of the pins on the modem board GPIO and power the modem and Pi.? Do not connect a 5V source directly to the Pi when using this configuration.
<>
73 - Jim? W5ZIT
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Andy Brinkley
Karl Shoemaker
wa5luy
Gervais Fillion