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Kenwood TK-880

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#21 RCM

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Posted 17 January 2020 - 11:36 PM

This is ALL you guys need, me asking HAM programming questions.

If you get your ham (not HAM; it's not an acronym) license, those of us who are hams will be happy to offer guidance on setting up your radios accordingly.


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#22 Jones

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Posted 18 January 2020 - 12:45 AM

This is ALL you guys need, me asking HAM programming questions.

Many of us here are hams.  We have a ham radio section on this forum: https://forums.mygmr...teur-radio-ham/

 

We will be happy to answer your questions.

 

Some here will be happy to give you advice, even if you DON'T want it. hahaha

 

Seriously, we are here to help.


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#23 WRAF233

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Posted 20 January 2020 - 02:17 PM

Removing the R614 is the hardware mod for TK-880 Ver2.0:

 

 

Just a matter of de-solder and remove R614?  used-radios won't do it in-house.  Is access easy enuf?

 

..and is FPP a lot simpler than software programming?

 

Thanks.


Gary

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#24 Hans

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Posted 20 January 2020 - 03:33 PM

Just a matter of de-solder and remove R614?  used-radios won't do it in-house.  Is access easy enuf?

 

..and is FPP a lot simpler than software programming?

 

Thanks.

This appears to be a photo of the board. Not sure of revisions. I did a quick search so take this with a grain of salt... https://www.qsl.net/yo4hfu/TK880.html

Mods, if this violates TOS, please be gentle and I apologize in advance. :ph34r:


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#25 berkinet

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Posted 20 January 2020 - 04:32 PM

Just a matter of de-solder and remove R614? used-radios won't do it in-house. Is access easy enuf?

..and is FPP a lot simpler than software programming?...

Now that Hans has shown you where the resistor is, I can tell you it’s usually best to just snip one side and then bend the resistor up rather than getting a soldering iron in there.

The front panel programming is for making changes like frequency or PL on the fly, it doesn’t really replace software programming for setting up a radio in the first place.
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#26 WRAF233

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Posted 20 January 2020 - 04:42 PM

Ah yes.  Should have read closer.  And I was thinking the snip might be the deal as well.

 

PL change is all I should need once it's programmed.  Thinking of changing PL codes to match non 141.3 repeaters when travelling (I'm finding several).  Or, I suppose I could just add channels with corresponding PL codes when I program via software and name them for the repeater.

 

I'd actually already found the position of the resistor in the Service Manual.  I'll pop the top and find it then.

 

Also, just found this thread on the topic  https://forums.mygmr...el-programming/

Regular brew-ha-ha.  Just kidding.

 

Thanks all!


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Gary

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#27 axorlov

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Posted 20 January 2020 - 05:20 PM

I desolder resistors on all three 880 I have. It is SMD resistor, so cannot be bent. You probably can carefully crush it with wire cutter, but I think, desoldering it safer.


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#28 RCM

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Posted 21 January 2020 - 03:11 AM

I desolder resistors on all three 880 I have. It is SMD resistor, so cannot be bent. You probably can carefully crush it with wire cutter, but I think, desoldering it safer.

I've done it too, and I agree. Actually you can just heat the entire resistor with a (preferably grounded) soldering iron, then just use the iron to flip it off the board.



#29 RCM

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Posted 21 January 2020 - 03:36 AM

Just a matter of de-solder and remove R614?  used-radios won't do it in-house.  Is access easy enuf?

 

..and is FPP a lot simpler than software programming?

 

Thanks.

Access is not bad. It is on the circuit board that is behind the front panel. With the top and bottom covers off, the front panel pops off via a couple of clips. Then a couple of screws hold the board in place. You don't have to disconnect the ribbon cable; just flip the board over.

 

It also gives you a perfect opportunity to pull the keypad out and clean it. Or better yet, replace it with a nice new, white one that is intended for the 863G. It fits, is not expensive and in my opinion, the white keys look better.

 

Software programming is simpler than FPP. FPP is just something that is nice to have, just in case.

I didn't expect that Used Radios would remove the resistor. But if you can get them to enable FPP in software when they program it, if you ever get around to removing the resistor yourself, FPP will then work without any further software programming. In that case you could add a couple of additional channels to your existing 15 channels, without ever needing to connect it to a computer.

 

If you get your ham license and want to program some ham frequencies in your radio, you will definitely need to be able to program it yourself. You will also need to tweak a couple of things in the radio to get it to work properly down in the ham band. It will still work fine on GMRS, too. I've done that on a few of them too, so just hit me up for the info when you need it.


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#30 WRAF233

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Posted 21 January 2020 - 12:10 PM

Access is not bad. It is on the circuit board that is behind the front panel. With the top and bottom covers off, the front panel pops off via a couple of clips. Then a couple of screws hold the board in place. You don't have to disconnect the ribbon cable; just flip the board over.

 

It also gives you a perfect opportunity to pull the keypad out and clean it. Or better yet, replace it with a nice new, white one that is intended for the 863G. It fits, is not expensive and in my opinion, the white keys look better.

 

Software programming is simpler than FPP. FPP is just something that is nice to have, just in case.

I didn't expect that Used Radios would remove the resistor. But if you can get them to enable FPP in software when they program it, if you ever get around to removing the resistor yourself, FPP will then work without any further software programming. In that case you could add a couple of additional channels to your existing 15 channels, without ever needing to connect it to a computer.

 

If you get your ham license and want to program some ham frequencies in your radio, you will definitely need to be able to program it yourself. You will also need to tweak a couple of things in the radio to get it to work properly down in the ham band. It will still work fine on GMRS, too. I've done that on a few of them too, so just hit me up for the info when you need it.

Thanks for going the extra mile!

 

I like the faceplate replacement option (pet peeve: black on black for electronics).  Looks like "Control Panel" in service manual but not finding replacement p/n there or online.  No biggie.


Gary

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#31 WRAF233

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Posted 21 January 2020 - 01:56 PM

Thanks for going the extra mile!

 

I like the faceplate replacement option (pet peeve: black on black for electronics).  Looks like "Control Panel" in service manual but not finding replacement p/n there or online.  No biggie.

Actually, it's "Key Top" for the buttons.  And you're correct 880 is Black w/white letters.  863 is white buttons w/black letters.  I would never have noticed.  Good price IMO as well.  Ordered key top and extra mounting bracket (2-vehicle install).

https://www.pacparts...=881N96-6817-79

 

Don't find TK-863 in Search but 880 shows up and lists all models the parts fit.  There is a lot of overlap, a good thing.


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Gary

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#32 WRAF233

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Posted 15 February 2020 - 11:50 AM

Question is can I LEGALLY program in the HAM freq for Monitor only (no TX)?

 

 

Yes, absolutely.

 

So, now that I have a properly working 880 V2 and the correct FTDI cable and 49D software I thought I might try adding the local ham repeater frequencies for my listening pleasure.  I've found 4 local  repeaters in 443, 444, and 448.  One of 4 has no PL code, the others have the same PL Code.  Do I need the PL code to be able to monitor only?  They don't list TX/RX PL codes so can I assume they're the same or is only one used? 

 

Think I know the answer to this one but here goes:  will Multi-Scan on the 880 include the ham frequencies (group) as well?  

 

Of course, this is up for grabs whether it will work in the V2 880.  I view this as a step toward furthering my interest in ham and possibly moving forward.

 

Thanks.


Gary

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#33 berkinet

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Posted 15 February 2020 - 12:25 PM

... Do I need the PL code to be able to monitor only? 

 

The answer to your first question is no. You do not need to set PL on receive to listen. PL is used where there may be more than one station transmitting on a frequency. Through the use of PL you can select which of those multiple station you listen to. This is common on GMRS, especially with repeaters. However, unlike GMRS where a large number of people use a small number of repeater frequencies, and therefore have learned how to share them, like by using PL, HAM repeaters are coordinated so there is almost never more than one repeater transmitting on a frequency, so no need for PL to "tune out" another station.

 

To state it a bit differently: If you did set PL for a HAM repeater and did it right, you'd never know. If you did it wrong, you'd never hear anything. So, there is no point in setting it at all  :)


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#34 WRAF233

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Posted 15 February 2020 - 12:58 PM

Perfect.. thanks!


Gary

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#35 RCM

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Posted 15 February 2020 - 10:57 PM

Setting the PL for receive filters out random noise as well. If you're scanning and you drive through an area with noise on one of the frequencies you have programmed, it will stop on that frequency and remain locked there until you either delete that channel from scan or travel out of range of the noise.

 

As for scanning, yes it will scan the ham freqs you have programmed if it is set up for multi scan.



#36 WRAF233

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Posted 16 February 2020 - 01:35 PM

Do you know if the Kenwood TK-3170 HT will work with the 440 range ham frequencies?


Gary

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#37 axorlov

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Posted 16 February 2020 - 06:21 PM

I have TK-3170-K and is works in ham band, no problem. No hardware modifications needed.



#38 WRAF233

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Posted 16 February 2020 - 06:32 PM

I have TK-3170-K and is works in ham band, no problem. No hardware modifications needed.

 

Nice.  Mine is the K also.  Give me something to do on this cold rainy day.

 

Thanks.


Gary

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#39 WRAF233

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Posted 16 February 2020 - 08:23 PM

Next question(s):  Should I put ham channels in a separate Zone? 

And how do you switch between Zones? 

I have all my buttons occupied but can change one maybe.

 

My Wouxun 805G displays channels scrolling as they Scan.  The Kenwood does not, but just says Scan.  I currently have ham channels in Group 2 so wondering if they're actually scanning?  No way to transmit on ham to bring up a repeater for any confirmation (legally).  Should I leave the in Group 2 or move to Group 1?

 

Conventional. 

Group 1:  Ch  1-7    CH 23 – 31   

 

Button Programming:  

Selector =  CH UP/Down. 

AUX (Orange) = LAMP                                                           

S1 = Scan Multi.   

S2 = Squelch Off Momentary.       

S = Low TX Power. 

A = Talk Around. 

B.  Squelch Level. 

C.  Scan ADD/DELETE.

 

Thanks.


Gary

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#40 axorlov

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Posted 17 February 2020 - 02:20 PM

Attached File  3170-scan-ch-1.jpg   13.26KB   0 downloads

 

The tiny triangle on top of "7" means that the channel is added to scan.

 

I put all the channels in the same zone and educated family to not to use ham channels (except the daughter, she is licensed ham). Because, to switch between zones you'd need another pair of buttons, and we do not have that many.

 

My assignment:

Selector =  CH UP/Down. 

AUX (Orange) = popular local ham repeater  (going to reassign it to OST or to circle zones)                                                        

S1 = squelch off  

S2 = low power      

S = scan Start/stop

A = scan Add/delete

B = Bring the Boys Back home: GMRS home channel (with DPL, where we expect to handle all family communication, unless interference happens)

C = DTMF Code select

 

I also have mobile TK-880 (few of them), where I can try to have assignment somewhat similar, to have less confusion for everybody:

A = scan add/delete

B = home GMRS channel

C and D = zone select

SCN = scan start/stop

MON = squelch off

Up and Down (left) = volume

Up and Down (right)  = channel select







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