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Author Topic: HTX-242 replacement microphone  (Read 3286 times)
N9EJS
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Posts: 218




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« on: August 21, 2012, 06:46:54 PM »

Believe it or not, I'm looking for a replacement microphone-and-cable with a RJ-45 plug for an HTX-242 rig.  Any help would be appreciated!  Thanks 73 - George, N9EJS
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WD4CHP
Member

Posts: 147




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« Reply #1 on: August 22, 2012, 05:57:33 AM »

The mic cord on my 242 fell apart from the heat in the truck.

I called Radio Shack for the replacement.

They didn't know who manufactured the radio and a replacements are not available.

The mic was still good so I bought a new cord and installed it with a new RJ45.

I could reuse the strain relief at the mic and used heat shrink at the RJ45.

By leaving about an inch of the cord on the old RJ45 you can match the colors for the new cord.

The only problem was the shield for the audio. A light tinning helped.

I had the crimping tool as I worked in telecommunications for a while.

I hope this helps.

Willis
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KJ4I
Member

Posts: 115




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« Reply #2 on: August 22, 2012, 08:59:17 AM »

I doubt you will find one unless you find someone selling a used one on ebay or somewhere. Best bet is like WD4CHP suggested and just change the cord unless the microphone it's self is no longer working. I had several mixes of 212's and 242's at one time and seems like those mic's always fell apart or give me trouble.
« Last Edit: August 22, 2012, 09:01:28 AM by KJ4I » Logged
K5LXP
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Posts: 4536


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« Reply #3 on: August 22, 2012, 03:13:30 PM »

Mine failed close to the microphone body so I just disassembled the microphone and pulled some cord through the strain relief until I reached where the sheath was still good, and coiled the excess inside the microphone.  Eventually though I'm sure I'll run out of cord to do that with.  I saw one at Hamcom this year where the guy replaced the cord with some Cat 5 cable.  Not pretty, but guess it worked.  A lot of radios use modular connectors so it's just a matter of finding one with the right wires populated, ring it out and get it connected to the mic PCB.

My 242 has been in service about 16 years and this is the first issue, so not complaining. 


Mark K5LXP
Albuquerque, NM
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N9EJS
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Posts: 218




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« Reply #4 on: September 01, 2012, 01:24:04 PM »

Thanks to all who responded!  73 - George, N9EJS
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WA8UEG
Member

Posts: 399




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« Reply #5 on: September 04, 2012, 02:03:48 PM »

Very common problem with the 242. The only 2 solutions I have found are the 2 mentioned. The good news is the vast majority fail next to the mic where you can pull it through.
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WB6BYU
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Posts: 13578




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« Reply #6 on: September 04, 2012, 03:04:32 PM »

Actually I use CAT5 cable on my IC-207 mic.  Digikey carries coiled cables,
something like 12' or 15' long, which was just right for giving me plenty of
length when the radio is mounted under the seat.  I just had to figure out
whether the original cable had direct or reversed connectors.

It's easiest if your mic uses connectors at both ends, of course, but if you
get one twice as long as needed you can solder one to your mic and keep
the other as a spare.
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