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TK-880 Transmitting But Not Receiving

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rpmwwe

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May 5, 2014
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I recently acquired a used Kenwood TK-880 from ebay and I have programmed a few channels into it with the KPG-49D version 4.02 software. All of the programmed channels will transmit without any problem and be received by another radio, but when I transmit from the other radio I get nothing at the TK-880. The LED does not come on when it should be receiving and the it remains absolutely silent as if nothing at all is being transmitted to it. The radio emits beeps when buttons are pushed so I don't think there is a problem with the speaker. I've double checked my programming (TX and RX freqs are the same, no CTCSS codes set, etc.). The microphone, antenna, and coax cable that came with the radio are also used so should I be concerned there is a hardware problem, or is there possibly an identifiable problem I'm overlooking with my programming that might be causing the Will TX / Will Not RX issue?
 
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Maybe the squelch level is set too high for the rx to open. Sensitivity of the radio could also be set wrong. Could also be hardware.

Program an open squelch button and see if you hear anything while someone else transmits.

Sent from my SAMSUNG-SGH-I337 using Tapatalk 2
 

Project4

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>>The LED does not come on when it should be receiving and the it remains absolutely silent as if nothing at all is being transmitted to it.<<

Two things you might check in the KPG-49D.

1) In the Optional Features, tab 1, be sure the "Conventional Busy LED" is selected. (Near the bottom of the second column).

2) In the Group Data window, be sure the "Data" box is not selected. (Last item of the second column). Otherwise your receive audio is "always muted".


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com501

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Are you using it in the 440 ham band? If so, you might want to find a strong local station in the commercial spectrum, for instance, your local ambulance or hospital channel in the 460 range, program a channel up there and see if it works.

Most 880s won't lock up on RX in the 440 ham band without realigning the VCO, You might also program in a simplex channel at 449.750 TX and RX and see if that works.
 
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