Question about Kenwood -TK2100-2140-2160-2200-3100-3130-3131-3140-3160-3200-260-270-272-360-370-372-373 Comp... 2-Way Radio

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Kenwood R-600 amateur radio receiver tuning problem

I recently received an older Kenwood R-600 as a gift. Problem is that when I rotate the tunihg knob, the frequency changes infrequently. Mostly it is stuck. Someone suggested that it might be rhw "main encoder". Is this cleanable? No parts seem to be available from Kenwood.

Bob Cahoon

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Re: kenwood R-600 amateur radio receiver tuning problem

If its like the older yeasu's, they had a black and white veined disc on the back with opto electronics, dust used to get in and obscure the sensors...
Worth a look.

Posted on Dec 29, 2007

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

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Yaesu Ft-60R with Kenwood TK-3107

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1 Answer

Kenwood ts50s transerver parts

Kenwood or an authorized kenwood amateur radio dealer are the only ones that will have the part that you want. the actual Part Number is X57-4220-11 TXD-TRx Unit
Kenwood Amateur Radio Customer Support
2201 E. Dominguez Street
Long Beach, CA 90810

Mailing Address:
P.O. Box 22745
Long Beach, CA 90801-5745
(310) 639-4200 Option: 5, Option: 2, Option: 1
(310) 537-8235 Fax
HOURS: 8:30 A.M. to 5:00 P.M. PST

Or email to:


Aug 28, 2008 | Kenwood Two-Way Radios

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I recently received a really nice R600 Kenwood.

Hi Doug,

To my knowledge, the Kenwood R600 straight from the box runs only on AC power hence no DC jacks.

However, there is a DCK-1 accessory which is a DC cord kit for this receiver.

Alternately, the secondary output of the transformer is 14VAC which is feed to the bridge diode of the power supply on the PLL unit/board. With that in mind, it would then be OK to hardwire 13.8VDC right after the bridge diode and parallel to the big filter capacitor. It may be a good idea to put an inline reverse protection diode and a fuse. Of course any DC type of jack/plug combination/arrangement may also be used.

Additionally, you might be interested in a service manual for the Kenwood R600 which is available here.

Hope this be of initial help/idea. Pls post back how things turned up or should you need additional information.

Good luck and kind regards.

Thank you for using FixYa.

May 04, 2008 | Kenwood...

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Hi, here is a link for some mods;
This one might be more what your looking for;
This seems to have the mods but you have to sign in;
Hope these help you,, Mechanic

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Commercial radio model


A Kenwood TM-271A is an amateur radio and therefore restricted to transmit only from 144 - 148 MHz but can receive from 136 to 174.

The TX restriction is done with a resistor (R119) which inhibits transmission outside of the 144-148 band. It is located very near a large IC (IC252).

Depending on your country's radio communications policies and/or your radio license privileges, simply removing R119 would allow transmission outside of the 144-148 MHz.

Hope this be of some help/idea. Post back should yuo need additional information.

Good luck and kind regards.

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1 Answer

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Hello!! First of all, any radio in the right frequency will work with any other, to work just need the following features: -Frequency, 154.700 which is correct as you said. - the Squelch code, this could be PL or DPL. The XV2100 has a table of codes that you can try, as you dont know this code form the Kenwood, you will need to check one by one. If you have the chance to send the Kenwood to some to "Read" the radio parameters( freq.,Code, ETc) you can look those parameters on the XV. Hope this can help, any comments Good Luck

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