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Don V Short Posted on Oct 11, 2019
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Kenwood TS-430s FM 430 board keys up but no modulation

  • Don V Short
    Don V Short Nov 13, 2019

    Thanks, I'll give it a try!

×

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Adriano Brunetti

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  • Posted on Jan 03, 2024
Adriano Brunetti
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Man funkt auch mit keinem afuger?t auf 11 meter, so hat es mal dem richtigen erwischt

Clint Millett

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  • Posted on Nov 10, 2019
Clint Millett
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First, clean all the connectors associated with this board. Over time they can get corrosion built up on them and they stop conducting. Use De-OXIT or Isopropyl alcohol to clean them. You may have to clean the deviation control on the board or replace C* and C10. I doubt if the microphone amplifier, Q1, is bad but if you can check the voltages around it, that might give you a clue. This problem shouldn't be too hard to fix as the rest of the radio is working. Good Luck!
Kenwood TS-430s FM 430 board keys up but no modula - a2y9jgk34igeaaaaaelftksuqmcc

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eradiostore

eradiostore

  • 1672 Answers
  • Posted on Jun 09, 2009

SOURCE: No Rx or Tx on any bands. No digi. readout except the last digit.

You are having a power problem. Hard to say if it is from the power supply or a component. If you take it by a radio shop they should be able to assess it in short order.

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Jay Plesset

  • 2942 Answers
  • Posted on Dec 21, 2014

SOURCE: I have a Kenwood TS 430S. When temp is below 32 degrees farenheiht the radio is slow to come to life when powering up. After a few minutes of warm up the radio seems to be normal. Any ideas?

Many modern pieces of electronics have water sensors in them. When it's really cold, your Kenwood may have condensation, which makes it need to warm up until that clears. I would deem the behavior normal.

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No Rx or Tx on any bands. No digi. readout except the last digit.

You are having a power problem. Hard to say if it is from the power supply or a component. If you take it by a radio shop they should be able to assess it in short order.
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