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Sony TCM-848 Cassette Recorder Repair

Sony TCM-848 Cassette Recorder Repair

Defect:

  • Background noise (AC) and doesn’t reproduce sound from the cassette.

Repair:

  • Replacement of two electrolytic capacitors of 22uf and 100uf  (see photo)
  • General cleaning.

Gallery of the repair:

  1. January 13th, 2020 at 01:44 | #1

    Ciao,
    come li hai riconosciuti che erano proprio quei due condensatori? A vista sembravano sani. Avevano perduto acido?

  2. January 13th, 2020 at 10:18 | #2

    @Fabio

    Ciao, un condensatore elettrolitico non deve perdere per forza acido , bisogna testare inanzitutto i condensatori con questi strumenti:

    https://www.peakelec.co.uk/acatalog/esr70-capacitor-esr-meter.html

  3. Fabio
    January 14th, 2020 at 18:27 | #3

    @xAD / nIGHTFALL
    Giusto, l’Esr che deve essere basso. Generalmente che valori sono tollerabili per considerare un condensatore ancora buono?

  4. Michelle
    February 22nd, 2021 at 04:24 | #5

    Hello,
    I’ve recently come into possession of a used TCM-848, and I’m having some trouble with it. I have plenty of practically-new tapes, which are just fine and well taken care of, but I believe there are problems with the speakers in the cassette player.
    I’m not very knowledgeable in these sort of things, mechanical repairs I mean, and I was hoping you could help me?
    All the buttons work just fine, but when I press “play” the player only makes a soft buzzing/humming noise, though I can also hear the player turning the tape.
    What should I do to fix this?

  5. February 27th, 2021 at 18:49 | #6

    @Michelle

    Hi Michelle,

    Unfortunately there are too many variables for a remote repair, better if you find a good repairman in your area.

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