Tascam 488 mkii Channel 7

Discussion in 'TASCAM DIY Repairs and Mods' started by Zachary sterman, Apr 6, 2022.

  1. Zachary sterman

    Zachary sterman New Member

    Joined:
    Dec 2018
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    Gear:
    TASCAM 388, MSR16, M312
    just received a 488 mkii that is acting up.


    all channels work fine, but channel 7 plays back material at an incredibly low volume. it WILL record, and it sounds great through the mixer portion of the unit, but upon playback it is -15 to -20 db lower in volume than recorded, and muffled. Using a Maxell XL ii.

    I also tested a Cassette inside this machine that had recorded material already printed on it from an identical 488, and from track 7 still played back with the pre mentioned symptoms

    yes i have cleaned the heads with isopropyl alcohol.

    any ideas? any repair shops on the east coast that can help?
    Last edited: Apr 7, 2022
  2. SkywaveTDR

    SkywaveTDR Well-Known Member

    Joined:
    Feb 2014
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    From:
    Chicago area
    Gear:
    Teac, Tascam, Sony
    Isopropyl is NOT the right chemical and Denatured will clean them better. It is possible that there is a bad solder joint or even a dirty switch in the unit.