Question about Kenwood KMC-21 - Speaker Microphone

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I have a Kenwood tk-2170 connected to a kmc-21 speaker mic. I can receive but not transmit, basically nothing but static when I speak into the mic. Is the mic defective or do I need to do something?

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6 Suggested Answers

6ya6ya
  • 2 Answers

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Posted on Jan 02, 2017

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Benimur
  • 6966 Answers

SOURCE: kenwood tk-3140 two way radios

Hi,

If I may add to luckydave's post, you can verify if it is the internal speaker which is at fault by connecting an ear piece or an external speaker to the jack. In some instances, it could be due to worn out volume control and/or squelch control.

Good luck and kind regards.

Posted on Dec 12, 2007

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Benimur
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SOURCE: kenwood tk 3102 and autocom

Hi,

with the indulgence of IrishDruid and many thanks to micromaster....

The radios are compatible since as you posted "...both radios work perfect by themselves..."

Based on your post, I would suspect that the transmit audio line from the Autocom to the mic input of the Kenwood TK3102 is faulty/not connecting right. All others (receive audio and PTT) are wired correctly. This is inline with what IrishDruid has initially posted. Additionally, the Autocom is also working since it kicks the PTT through its VOX (voice activated relay) and there is transmit (albeit the TX audio) or manual PTT.

Additionally, there are some 2.5mm connectors that are just a bit short of what Kenwood requires.


Posted on May 18, 2008

  • 1 Answer

SOURCE: Kenwood TK-760 H

Normally: The Power supply is underrated, drawing too much power. Scan: mic (Button) needs to be hung (Grounded)?

Posted on Jul 15, 2008

kditterline
  • 127 Answers

SOURCE: Kenwood TK-361 Manual

http://safemanuals.com/ pleace rate me let me know if this helped.

Posted on Jul 16, 2009

  • 3 Answers

SOURCE: Yaesu Ft-60R with Kenwood TK-3107

ok guys!! i have gold for your prob huhuh
go to this website and u can get anything about all model TK
http://www.twowayradioearpieces.com/Programming-Cable-for-KENWOOD-C178-1.htm

Posted on Feb 27, 2010

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Assuming it is programmed correctly, it is a weak, undercharged or bad battery. Transmit takes a lot more power than receive. A beep or no transmit, even if the Transmit light comes on can still mean the battery condition described.

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moz-screenshot-1.jpgmoz-screenshot-2.jpgPlease use the link to get the manual:


http://inform3.kenwoodusa.com/Manuals/USA_LMR%5CTK-2100-3100_B62-0950-30.pdf




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By checking initially of your radio,insert your NEW FULLY CHARGE BATTERY,Switch On your radio,select the channel the same as your other working radio,and try it once more,
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Hi Jim,

Could you please re-post your query with as much info as possible, you haven't given any useful info in this regard.

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Oct 31, 2008 | Kenwood FreeTalk XL TK-3101 (15 Channels)...

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Normally: The Power supply is underrated, drawing too much power. Scan: mic (Button) needs to be hung (Grounded)?

Jul 12, 2008 | Kenwood Radio Communications

2 Answers

Kenwood tk-3140 two way radios


It could be one of several problems [a] Transmit switch has got moisture in it and is staying on so you can't receive [b] speaker could be blown but unlikely, more likely connection is corroded easy to fix if you have a proper electronic soldering iron.
check radio for internal moisture and corrosion, clean thoroughly and try again. [c] lastly if the solid state part for the sound has gone , chuck the radio out it's cheaper than trying to repair it unless you want to take it apart yourself or if you have another old one to use for parts

Dec 11, 2007 | Kenwood TK-3100K2 (2 Channels) 2-Way Radio

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