BM4400 AF Level Adj.

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  • February 12, 2023 at 7:09 pm #15778
    Pindsen
    BRONZE Member
      • Denmark
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      Hi,
      Trimmers in the AF section of a Beomaster 4400 has been replaced and should now be tuned in.
      In the Service Manual it only says something like “…may be adjusted within the area of 180mV – 2V (for TAPE) but how?
      Is a random Line signal just to be used or? and why the wide spread in area, what level is the BM4400 trimmed at from factory?

      /Pindsen

      February 13, 2023 at 1:10 am #15787
      Mark-sf
      BRONZE Member
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        These are designed to be user-adjusted controls in order to match levels between the phono or tape decks and the tuner. There is no “correct” setting as they act as an input-specific volume control ahead of the source selector.

        February 13, 2023 at 8:00 pm #15852
        Pindsen
        BRONZE Member
          • Denmark
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          Okay, I thought so but it could be that they had a “factory setting”.

          /Pindsen

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