Tascam 44 OB output problem

Discussion in 'Documentation and Manuals' started by Woody, Sep 15, 2021.

  1. Woody

    Woody New Member

    Joined:
    Sep 2021
    Messages:
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    Gear:
    44 OB
    Hi All!
    I recently bought a 44OB. The rca outputs work fine but I can’t hear any signal through the xlr outputs. Am I missing something obvious? Is there an internal jumper or switch to choose between rca/xlr? Any suggestions?
    Thanks in advance.
  2. SkywaveTDR

    SkywaveTDR Well-Known Member

    Joined:
    Feb 2014
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    From:
    Chicago area
    Gear:
    Teac, Tascam, Sony
    There are often times two pole muting relays that go open coil and so they are changed in many decks. I use a Coto relay of the same configuration and 24Vdc. The coild are between 1100-1500 ohms when measured on relays from pin 2 to 6. I can provide model number of relays if you need it.
  3. wkrbee

    wkrbee Active Member

    Joined:
    Sep 2012
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    From:
    Outside the Emerald City
    Someone may have plugged a cable with one of the phases shorted to ground, a common- wrong- way to unbalance a signal. The 44 uses a separate transistor balancing amp. So transistors got fried, you lost the higher voltage used for the balanced output amp. or fried the 10 ohm limiting resistors for the power feed to the output balance.