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Kenwood ts-440sat transmit audio distortion problem

Discussion in 'Radio Circuits, Repair & Performance' started by KG5JV, Dec 6, 2012.

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  1. KG5JV

    KG5JV Ham Member QRZ Page

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    [TD]Subject: Kenwood ts-440sat transmit audio distorted
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    Hello,

    I am asking for your help with a transmitting audio problem I am having on my ts-440 sat.

    The audio has gone south and can no longer be used in it's present condition. The radio's transmit audio sounds horrible when he gets on the air.

    The "transmitted" audio sounds like clipping, distorted, hashy, garbled, on SSB, NOT intelligible, but NO problem on CW was found.

    I checked and eliminated the following problem possibilities.
    It is not a RF, mic, alc, ground, antenna, overdrive, swr, or any other type problem. It seems to be inside the audio section of the radio.

    If it is inside the radio, can you give me an idea how I might repair it or is it simply a factory repair.

    I thank you in advance for your time and help.

    God Bless America,
    Paul
    KG5JV
    P.S. Several years ago I had the gunk cleaned out so the display would stop blinking; this is the first problem since.
     
  2. WB2WIK

    WB2WIK Premium Subscriber QRZ Page

    Do you have a second receiver to listen with so you can hear what it actually sounds like, and will know if a "fix" worked or not (or is a step in the right direction)?
     
  3. KA5IPF

    KA5IPF Subscriber QRZ Page

    What band, antenna, and mode?
     
  4. W3NAX

    W3NAX Ham Member QRZ Page

    I am curious, Are you seeing this issues while in am mode for testing purposes? I am having a similar issue with my ts430s.
     
  5. ND6M

    ND6M Ham Member QRZ Page

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