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Re: OT: Looking for help with Kenwood Handheld

 

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On May 20, 2025, at 3:58?PM, n4buq via groups.io <n4buq@...> wrote:

?
Nice!? I wasn't aware of their site.? I've gotten in touch with them regarding a CR1220 with tabs.

Thanks!
Barry - N4BUQ

Take a look at Batteries America (). They can probably supply what you need.?

Tony - W9JXN?



On May 20, 2025, at 9:26?AM, n4buq via groups.io <n4buq@...> wrote:

This is the only amateur radio group of which I'm a member so I'm looking for a bit of help. ?Is there an appropriate group for older Kenwood hand-helds?

I have a TH-28A that needs an internal lithium battery and am having no luck finding a suitable replacement. ?If someone can point me to a group or, even better, point me to a source for those batteries, I would appreciate it.

Note that I can find all sorts of lithium coin cells with solder tabs but none of the ones I find match the configuration of the one in my TH-28A.

Thanks,
Barry - N4BUQ







Re: OT: Looking for help with Kenwood Handheld

 

Nice!? I wasn't aware of their site.? I've gotten in touch with them regarding a CR1220 with tabs.

Thanks!
Barry - N4BUQ

Take a look at Batteries America (). They can probably supply what you need.?

Tony - W9JXN?



On May 20, 2025, at 9:26?AM, n4buq via groups.io <n4buq@...> wrote:

This is the only amateur radio group of which I'm a member so I'm looking for a bit of help. ?Is there an appropriate group for older Kenwood hand-helds?

I have a TH-28A that needs an internal lithium battery and am having no luck finding a suitable replacement. ?If someone can point me to a group or, even better, point me to a source for those batteries, I would appreciate it.

Note that I can find all sorts of lithium coin cells with solder tabs but none of the ones I find match the configuration of the one in my TH-28A.

Thanks,
Barry - N4BUQ







Re: OT: Looking for help with Kenwood Handheld

 

I didn't know such a thing was being made.? Nice to know.? Hopefully it won't come to that and I can get a battery with tabs that will work (and I think I see some being offered).

Thanks,
Barry - N4BUQ

Spot-weld the tabs yourself:
AMAZON - Docreate Hand-Held Spot Welder, 5.5KW, $30

73 de Andrew/N5ASE

On Tue, May 20, 2025 at 2:59?PM n4buq via <n4buq=[email protected]> wrote:
I didn't know that could be done as a service like that.? We have a Batteries Plus but not sure if they'd do that.

Thanks for the tip!
Barry - N4BUQ

If you have a Batteries-Plus, or Batteries & Bulbs store near you, they might have one. They have the ability to spot-weld tabs on about any battery.

On Tue, May 20, 2025 at 9:26?AM n4buq via <n4buq=[email protected]> wrote:
This is the only amateur radio group of which I'm a member so I'm looking for a bit of help.? Is there an appropriate group for older Kenwood hand-helds?

I have a TH-28A that needs an internal lithium battery and am having no luck finding a suitable replacement.? If someone can point me to a group or, even better, point me to a source for those batteries, I would appreciate it.

Note that I can find all sorts of lithium coin cells with solder tabs but none of the ones I find match the configuration of the one in my TH-28A.

Thanks,
Barry - N4BUQ








Re: OT: Looking for help with Kenwood Handheld

 

¿ªÔÆÌåÓý

?Take a look at Batteries America (). They can probably supply what you need.?

Tony - W9JXN?



On May 20, 2025, at 9:26?AM, n4buq via groups.io <n4buq@...> wrote:

?This is the only amateur radio group of which I'm a member so I'm looking for a bit of help. ?Is there an appropriate group for older Kenwood hand-helds?

I have a TH-28A that needs an internal lithium battery and am having no luck finding a suitable replacement. ?If someone can point me to a group or, even better, point me to a source for those batteries, I would appreciate it.

Note that I can find all sorts of lithium coin cells with solder tabs but none of the ones I find match the configuration of the one in my TH-28A.

Thanks,
Barry - N4BUQ






RV-75 from Hamvention

 

Hey guys,

Picked up a nice looking Drake RV-75 vfo for my TR-7 last weekend. Hooked it up last night and my main vfo was in the middle of the 20m band, but when I switched on the remote vfo freq drop to around 13.9mhz and I am not able to adjust it. I guess I got a hamfest special. Any hints on what to look for? I have not even opened it up. Got a great deal on it however so I hope I can fix it. I showed it to Evan, K9SQG when I ran into him there.?

Thanks in advance,?
Eric?
K8cca?


Re: OT: Looking for help with Kenwood Handheld

 

Spot-weld the tabs yourself:

AMAZON - Docreate Hand-Held Spot Welder, 5.5KW, $30

73 de Andrew/N5ASE


On Tue, May 20, 2025 at 2:59?PM n4buq via <n4buq=[email protected]> wrote:
I didn't know that could be done as a service like that.? We have a Batteries Plus but not sure if they'd do that.

Thanks for the tip!
Barry - N4BUQ

If you have a Batteries-Plus, or Batteries & Bulbs store near you, they might have one. They have the ability to spot-weld tabs on about any battery.

On Tue, May 20, 2025 at 9:26?AM n4buq via <n4buq=[email protected]> wrote:
This is the only amateur radio group of which I'm a member so I'm looking for a bit of help.? Is there an appropriate group for older Kenwood hand-helds?

I have a TH-28A that needs an internal lithium battery and am having no luck finding a suitable replacement.? If someone can point me to a group or, even better, point me to a source for those batteries, I would appreciate it.

Note that I can find all sorts of lithium coin cells with solder tabs but none of the ones I find match the configuration of the one in my TH-28A.

Thanks,
Barry - N4BUQ







Re: OT: Looking for help with Kenwood Handheld

 

Yes - It is a 12mm (maybe 12.5mm) battery. From what I'm seeing, the solder tabs on those are much more in line with the ones on my battery.

Thanks so much for setting me straight on that!

Barry - N4BUQ

Yeah, I need to measure it.

Thanks,
Barry - N4BUQ

GA, CR2032 seems to me is somewhat big, perhaps a CR1220 type fits better.

Regards
Guillermo - LU5WE.

El 20/5/25 a las 14:57, n4buq escribi¨®:
I've seen some of those but most of them have rather larger and wider-
spaced solder tabs.? I'm attaching a picture of what's in my radio.? I
might be able to trim the tabs as it appears that may have been what was
done to these from the factory.? I'm pretty sure it's a CR-2032 but the
part number in the service manual doesn't show up anywhere I've looked.

Thanks,
Barry - N4BUQ

I found one for my FT-470 on Amazon. Gamers have lots of devices
with these sorts of batteries.

Steve Wedge, W1ES

Time flies like an arrow. Fruit flies like a banana.


Sent from Proton Mail <> for iOS


On Tue, May 20, 2025 at 10:26, n4buq <n4buq@...
<mailto:On%20Tue,%20May%2020,%202025%20at%2010:26,
%20n4buq%20<<a%20href=>> wrote:

This is the only amateur radio group of which I'm a member so
I'm looking for a bit of help. Is there an appropriate group for
older Kenwood hand-helds?

I have a TH-28A that needs an internal lithium battery and am
having no luck finding a suitable replacement. If someone can
point me to a group or, even better, point me to a source for
those batteries, I would appreciate it.

Note that I can find all sorts of lithium coin cells with solder
tabs but none of the ones I find match the configuration of the
one in my TH-28A.

Thanks,
Barry - N4BUQ










Re: OT: Looking for help with Kenwood Handheld

 

Yeah, I need to measure it.

Thanks,
Barry - N4BUQ

GA, CR2032 seems to me is somewhat big, perhaps a CR1220 type fits better.

Regards
Guillermo - LU5WE.

El 20/5/25 a las 14:57, n4buq escribi¨®:
I've seen some of those but most of them have rather larger and wider-
spaced solder tabs.? I'm attaching a picture of what's in my radio.? I
might be able to trim the tabs as it appears that may have been what was
done to these from the factory.? I'm pretty sure it's a CR-2032 but the
part number in the service manual doesn't show up anywhere I've looked.

Thanks,
Barry - N4BUQ

I found one for my FT-470 on Amazon. Gamers have lots of devices
with these sorts of batteries.

Steve Wedge, W1ES

Time flies like an arrow. Fruit flies like a banana.


Sent from Proton Mail <> for iOS


On Tue, May 20, 2025 at 10:26, n4buq <n4buq@...
<mailto:On%20Tue,%20May%2020,%202025%20at%2010:26,
%20n4buq%20<<a%20href=>> wrote:

This is the only amateur radio group of which I'm a member so
I'm looking for a bit of help. Is there an appropriate group for
older Kenwood hand-helds?

I have a TH-28A that needs an internal lithium battery and am
having no luck finding a suitable replacement. If someone can
point me to a group or, even better, point me to a source for
those batteries, I would appreciate it.

Note that I can find all sorts of lithium coin cells with solder
tabs but none of the ones I find match the configuration of the
one in my TH-28A.

Thanks,
Barry - N4BUQ









Re: OT: Looking for help with Kenwood Handheld

 

GA, CR2032 seems to me is somewhat big, perhaps a CR1220 type fits better.

Regards
Guillermo - LU5WE.

El 20/5/25 a las 14:57, n4buq escribi¨®:
I've seen some of those but most of them have rather larger and wider- spaced solder tabs.? I'm attaching a picture of what's in my radio.? I might be able to trim the tabs as it appears that may have been what was done to these from the factory.? I'm pretty sure it's a CR-2032 but the part number in the service manual doesn't show up anywhere I've looked.
Thanks,
Barry - N4BUQ
I found one for my FT-470 on Amazon. Gamers have lots of devices
with these sorts of batteries.
Steve Wedge, W1ES
Time flies like an arrow. Fruit flies like a banana.
Sent from Proton Mail <> for iOS
On Tue, May 20, 2025 at 10:26, n4buq <n4buq@...
<mailto:On%20Tue,%20May%2020,%202025%20at%2010:26,
%20n4buq%20<<a%20href=>> wrote:
This is the only amateur radio group of which I'm a member so
I'm looking for a bit of help. Is there an appropriate group for
older Kenwood hand-helds?
I have a TH-28A that needs an internal lithium battery and am
having no luck finding a suitable replacement. If someone can
point me to a group or, even better, point me to a source for
those batteries, I would appreciate it.
Note that I can find all sorts of lithium coin cells with solder
tabs but none of the ones I find match the configuration of the
one in my TH-28A.
Thanks,
Barry - N4BUQ


Re: OT: Looking for help with Kenwood Handheld

 

Barry,

If your TH-28A is anything like the Realistic/Radio Shack HTX-202 and HTX-404 HTs, I replaced the internal tabbed 3 volt Lithium cell used in these rigs with a popular CR2032 coin cell and accompanying holder. So now the next time it needs replacement, I can just pop out the old one and insert a new one. No more soldering required. And those CR2032 coin cells are used EVERYWHERE these days.


73 de John, KD2BD


Re: OT: Looking for help with Kenwood Handheld

 

I didn't know that could be done as a service like that.? We have a Batteries Plus but not sure if they'd do that.

Thanks for the tip!
Barry - N4BUQ

If you have a Batteries-Plus, or Batteries & Bulbs store near you, they might have one. They have the ability to spot-weld tabs on about any battery.

On Tue, May 20, 2025 at 9:26?AM n4buq via <n4buq=[email protected]> wrote:
This is the only amateur radio group of which I'm a member so I'm looking for a bit of help.? Is there an appropriate group for older Kenwood hand-helds?

I have a TH-28A that needs an internal lithium battery and am having no luck finding a suitable replacement.? If someone can point me to a group or, even better, point me to a source for those batteries, I would appreciate it.

Note that I can find all sorts of lithium coin cells with solder tabs but none of the ones I find match the configuration of the one in my TH-28A.

Thanks,
Barry - N4BUQ







Re: OT: Looking for help with Kenwood Handheld

 

I've seen some of those but most of them have rather larger and wider-spaced solder tabs.? I'm attaching a picture of what's in my radio.? I might be able to trim the tabs as it appears that may have been what was done to these from the factory.? I'm pretty sure it's a CR-2032 but the part number in the service manual doesn't show up anywhere I've looked.

Thanks,
Barry - N4BUQ

I found one for my FT-470 on Amazon. Gamers have lots of devices with these sorts of batteries.?

Steve Wedge, W1ES

Time flies like an arrow. Fruit flies like a banana.


Sent from for iOS


On Tue, May 20, 2025 at 10:26, n4buq <n4buq@...> wrote:
This is the only amateur radio group of which I'm a member so I'm looking for a bit of help. Is there an appropriate group for older Kenwood hand-helds?

I have a TH-28A that needs an internal lithium battery and am having no luck finding a suitable replacement. If someone can point me to a group or, even better, point me to a source for those batteries, I would appreciate it.

Note that I can find all sorts of lithium coin cells with solder tabs but none of the ones I find match the configuration of the one in my TH-28A.

Thanks,
Barry - N4BUQ







Re: Drake 7077 wiring

 

¿ªÔÆÌåÓý

Thanks a million!?

Sent from my T-Mobile 5G Device
Get


From: [email protected] <[email protected]> on behalf of Jim Shorney via groups.io <jimNU0C@...>
Sent: Tuesday, May 20, 2025 12:28:22 AM
To: [email protected] <[email protected]>
Subject: Re: [DRAKE-RADIO] Drake 7077 wiring
?

Looking at the photos that I posted some time ago at https://na01.safelinks.protection.outlook.com/?url=https%3A%2F%2Fgroups.io%2Fg%2FDRAKE-RADIO%2Falbum%3Fid%3D252836&data=05%7C02%7C%7Cb84ae3cafe9642f6238a08dd9756c457%7C84df9e7fe9f640afb435aaaaaaaaaaaa%7C1%7C0%7C638833121085423646%7CUnknown%7CTWFpbGZsb3d8eyJFbXB0eU1hcGkiOnRydWUsIlYiOiIwLjAuMDAwMCIsIlAiOiJXaW4zMiIsIkFOIjoiTWFpbCIsIldUIjoyfQ%3D%3D%7C0%7C%7C%7C&sdata=JM41X%2BEZT9tJji8d4MdkXlQsOrDarVdi4xzA9oGUibM%3D&reserved=0 it looks like the wires are:

White - Audio
Red - PTT
Shield - audio ground
Black - PTT return (ground)

Connect black and shield together. This was for a time the "standard" color code for USA manufactured microphones, although red and black could often be reversed with no ill effect.

On Tue, 20 May 2025 03:31:00 +0000
"Ralph AD9FM via groups.io" <a2r4ever@...> wrote:

> Greg, sorry to ask this dumb question, but I think I'm doing this wrong.? So the shield is ground the white is PTT and Black is also ground.? What is the red cable?? I cant get anything on the meter? Help and lost in Indiana
>
> Thanks
>
>
> ________________________________
> From: [email protected] <[email protected]> on behalf of Greg W9GB via groups.io <w9gb@...>
> Sent: Saturday, May 17, 2025 11:20 AM
> To: [email protected] <[email protected]>
> Subject: Re: [DRAKE-RADIO] Drake 7077 wiring
>
> Your 1/4 inch Phone Connector (Plug) is 3-conductor (stereo).
> The engravings show the screw terminal assignments.
>
> T : Tip
> R : Ring
> S : Sleeve
> ===
> The Drake 7077 (Astatic OEM) microphone has 3-conductors and Shield.
> Standard Microphone usage:? Audio uses 2 wires and Push-to-Talk (PTT) uses 2 wires.
> ¡ª-
> SO, for wiring to your Drake Radio (3-wires) you have to Combine Ground connections.
>

--

73

-Jim
NU0C






Re: OT: Looking for help with Kenwood Handheld

 

If you have a Batteries-Plus, or Batteries & Bulbs store near you, they might have one. They have the ability to spot-weld tabs on about any battery.


On Tue, May 20, 2025 at 9:26?AM n4buq via <n4buq=[email protected]> wrote:
This is the only amateur radio group of which I'm a member so I'm looking for a bit of help.? Is there an appropriate group for older Kenwood hand-helds?

I have a TH-28A that needs an internal lithium battery and am having no luck finding a suitable replacement.? If someone can point me to a group or, even better, point me to a source for those batteries, I would appreciate it.

Note that I can find all sorts of lithium coin cells with solder tabs but none of the ones I find match the configuration of the one in my TH-28A.

Thanks,
Barry - N4BUQ






Re: OT: Looking for help with Kenwood Handheld

 

I found one for my FT-470 on Amazon. Gamers have lots of devices with these sorts of batteries.?

Steve Wedge, W1ES

Time flies like an arrow. Fruit flies like a banana.


Sent from for iOS


On Tue, May 20, 2025 at 10:26, n4buq <n4buq@...> wrote:
This is the only amateur radio group of which I'm a member so I'm looking for a bit of help. Is there an appropriate group for older Kenwood hand-helds?

I have a TH-28A that needs an internal lithium battery and am having no luck finding a suitable replacement. If someone can point me to a group or, even better, point me to a source for those batteries, I would appreciate it.

Note that I can find all sorts of lithium coin cells with solder tabs but none of the ones I find match the configuration of the one in my TH-28A.

Thanks,
Barry - N4BUQ






OT: Looking for help with Kenwood Handheld

 

This is the only amateur radio group of which I'm a member so I'm looking for a bit of help. Is there an appropriate group for older Kenwood hand-helds?

I have a TH-28A that needs an internal lithium battery and am having no luck finding a suitable replacement. If someone can point me to a group or, even better, point me to a source for those batteries, I would appreciate it.

Note that I can find all sorts of lithium coin cells with solder tabs but none of the ones I find match the configuration of the one in my TH-28A.

Thanks,
Barry - N4BUQ


Re: The Drake 2B and its Frequency Spread Limitations

 

Like Mike says, no crystal needed on 80.
?
The 2B is an 80 meter receiver with a crystal controlled converter on the front end for the other bands.
80 meters should be the first position on the left of the bandswitch (counterclockwise).
?
What does your overlay look like?
?
73,
Gary
WB6OGD
?


Re: The Drake 2B and its Frequency Spread Limitations

 

¿ªÔÆÌåÓý

The Drake 2B does not have an normal 80 meter crystal (see the 2B manual
page 17 for details).

73
Mike W5RKL



On 5/20/25 8:07 AM, Tom Smith via groups.io wrote:

I see the 2B receiver discussed with a 80m switch and crystal position. My 2B has neither. It also has a modified front panel that has a ¡°overlay¡± under the main frequency dial and frequency overlay on some of the frequency log scale. What do I have here and what is the best position to put my 75m crystal (my main band of interest)?
?
Thanks,
Tom N5AMA?


Re: The Drake 2B and its Frequency Spread Limitations

 

I see the 2B receiver discussed with a 80m switch and crystal position. My 2B has neither. It also has a modified front panel that has a ¡°overlay¡± under the main frequency dial and frequency overlay on some of the frequency log scale. What do I have here and what is the best position to put my 75m crystal (my main band of interest)?
?
Thanks,
Tom N5AMA?


Re: Drake 7077 wiring

 

Looking at the photos that I posted some time ago at /g/DRAKE-RADIO/album?id=252836 it looks like the wires are:

White - Audio
Red - PTT
Shield - audio ground
Black - PTT return (ground)

Connect black and shield together. This was for a time the "standard" color code for USA manufactured microphones, although red and black could often be reversed with no ill effect.

On Tue, 20 May 2025 03:31:00 +0000
"Ralph AD9FM via groups.io" <a2r4ever@...> wrote:

Greg, sorry to ask this dumb question, but I think I'm doing this wrong. So the shield is ground the white is PTT and Black is also ground. What is the red cable? I cant get anything on the meter? Help and lost in Indiana

Thanks


________________________________
From: [email protected] <[email protected]> on behalf of Greg W9GB via groups.io <w9gb@...>
Sent: Saturday, May 17, 2025 11:20 AM
To: [email protected] <[email protected]>
Subject: Re: [DRAKE-RADIO] Drake 7077 wiring

Your 1/4 inch Phone Connector (Plug) is 3-conductor (stereo).
The engravings show the screw terminal assignments.

T : Tip
R : Ring
S : Sleeve
===
The Drake 7077 (Astatic OEM) microphone has 3-conductors and Shield.
Standard Microphone usage: Audio uses 2 wires and Push-to-Talk (PTT) uses 2 wires.
¡ª-
SO, for wiring to your Drake Radio (3-wires) you have to Combine Ground connections.
--

73

-Jim
NU0C