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Old October 13th 04, 05:16 PM
GeorgeF
 
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Default Kenwood R-5000

I have an R-5000 which works great. However I'm wondering from others
who own or have owned an R-5000 if you're gets hot? After being on for
hours mine gets so hot you "almost" can't hold your hand on the top
cover. Mine has done this for years and hasn't yet affected the
receive performance but just wondering if this normal.

My other HF rigs don't get hot (JRC NRD-525, Yaesu FT-847, RadioShack
DX-394 or Kenwood TS-520) all of which are one 12-20 hours a day.....

George
http://www.MilAirComms.com
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Old October 13th 04, 07:19 PM
michael agner
 
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Yep, I've heard this too. Maybe someone here has some mods that
would cool it down somewhat...

http://groups.yahoo.com/group/kenwood-r5000/

I'd also look in the usual mods sites and see if someone has posted
something along this line. Running that hot can't be all that healthy
for the rx.
73s Mike

GeorgeF wrote:
I have an R-5000 which works great. However I'm wondering from others
who own or have owned an R-5000 if you're gets hot? After being on for
hours mine gets so hot you "almost" can't hold your hand on the top
cover. Mine has done this for years and hasn't yet affected the
receive performance but just wondering if this normal.

My other HF rigs don't get hot (JRC NRD-525, Yaesu FT-847, RadioShack
DX-394 or Kenwood TS-520) all of which are one 12-20 hours a day.....

George
http://www.MilAirComms.com


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Old October 13th 04, 07:48 PM
Volker Tonn
 
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Default



michael agner schrieb:

Yep, I've heard this too. Maybe someone here has some mods that would
cool it down somewhat...


Ask dx'tard how a bath -or at least a shower- works on cooling down... ;-)

Has that thing an external voltage connector for 12 volts?
If yes, get a good power supply and that's it.

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Old October 14th 04, 12:13 AM
Terry
 
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Volker Tonn wrote in message ...
michael agner schrieb:

Yep, I've heard this too. Maybe someone here has some mods that would
cool it down somewhat...


Ask dx'tard how a bath -or at least a shower- works on cooling down... ;-)

Has that thing an external voltage connector for 12 volts?
If yes, get a good power supply and that's it.


While I love Kenwood HF gear, I have noticed that Kenwood
really cheaps out on heatsinks. My R2000 has two 7805 regulator
ICs that run so hot you can not touch them. I added addtional
heatsinking, 2 TO-220 per IC, from above they form an "H", and
this lowered the temp by over 40F. My R2000 is operated from an
exteranl (Lambda) 12V supply that also charges a gell cell.
The stock built in supply puts out almost 15V.

Terry


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Old October 13th 04, 08:33 PM
dxAce
 
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GeorgeF wrote:

I have an R-5000 which works great. However I'm wondering from others
who own or have owned an R-5000 if you're gets hot? After being on for
hours mine gets so hot you "almost" can't hold your hand on the top
cover. Mine has done this for years and hasn't yet affected the
receive performance but just wondering if this normal.

My other HF rigs don't get hot (JRC NRD-525, Yaesu FT-847, RadioShack
DX-394 or Kenwood TS-520) all of which are one 12-20 hours a day.....


I owned a R-5000 for several years and it did not get that hot.

dxAce
Michigan
USA


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Old October 13th 04, 09:38 PM
Brian Hill
 
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Default


"dxAce" wrote in message
...


GeorgeF wrote:

I have an R-5000 which works great. However I'm wondering from others
who own or have owned an R-5000 if you're gets hot? After being on for
hours mine gets so hot you "almost" can't hold your hand on the top
cover. Mine has done this for years and hasn't yet affected the
receive performance but just wondering if this normal.

My other HF rigs don't get hot (JRC NRD-525, Yaesu FT-847, RadioShack
DX-394 or Kenwood TS-520) all of which are one 12-20 hours a day.....


I owned a R-5000 for several years and it did not get that hot.

dxAce
Michigan
USA



I wouldn't say hot either but it does get warm.


--
73 and good DXing.
Brian
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
A lot of radios and 100' of rusty wire!
Zumbrota, Southern MN
Brian's Radio Universe
http://webpages.charter.net/brianhill/


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Old October 13th 04, 09:41 PM
dxAce
 
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Default



Brian Hill wrote:

"dxAce" wrote in message
...


GeorgeF wrote:

I have an R-5000 which works great. However I'm wondering from others
who own or have owned an R-5000 if you're gets hot? After being on for
hours mine gets so hot you "almost" can't hold your hand on the top
cover. Mine has done this for years and hasn't yet affected the
receive performance but just wondering if this normal.

My other HF rigs don't get hot (JRC NRD-525, Yaesu FT-847, RadioShack
DX-394 or Kenwood TS-520) all of which are one 12-20 hours a day.....


I owned a R-5000 for several years and it did not get that hot.

dxAce
Michigan
USA



I wouldn't say hot either but it does get warm.


Warm yes, hot no.

dxAce
Michigan
USA



--
73 and good DXing.
Brian
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
A lot of radios and 100' of rusty wire!
Zumbrota, Southern MN
Brian's Radio Universe
http://webpages.charter.net/brianhill/


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Old October 13th 04, 09:37 PM
Brian Hill
 
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Default


"GeorgeF" wrote in message
nk.net...
I have an R-5000 which works great. However I'm wondering from others
who own or have owned an R-5000 if you're gets hot? After being on for
hours mine gets so hot you "almost" can't hold your hand on the top
cover. Mine has done this for years and hasn't yet affected the
receive performance but just wondering if this normal.

My other HF rigs don't get hot (JRC NRD-525, Yaesu FT-847, RadioShack
DX-394 or Kenwood TS-520) all of which are one 12-20 hours a day.....

George
http://www.MilAirComms.com




Mine gets hot too. Never a problem.

--
73 and good DXing.
Brian
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
A lot of radios and 100' of rusty wire!
Zumbrota, Southern MN
Brian's Radio Universe
http://webpages.charter.net/brianhill/


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Old October 13th 04, 11:41 PM
Michael
 
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Default


"GeorgeF" wrote in message
nk.net...
I have an R-5000 which works great. However I'm wondering from others who
own or have owned an R-5000 if you're gets hot? After being on for hours
mine gets so hot you "almost" can't hold your hand on the top cover. Mine
has done this for years and hasn't yet affected the receive performance but
just wondering if this normal.

My other HF rigs don't get hot (JRC NRD-525, Yaesu FT-847, RadioShack
DX-394 or Kenwood TS-520) all of which are one 12-20 hours a day.....

George
http://www.MilAirComms.com


A close friend has an R-5000. He has confirmed that it runs way hotter then
his R8b, but not so hot that you cant touch the top of the radio. He keeps
his radio on a large counter top and said that his cat likes to sit on top
of the radio when its on because its warm... :-)

Michael




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