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Toshiba TN55X81 Pro Set

Discussion in 'Electronic Repair' started by john, Jan 23, 2004.

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  1. john

    john Guest

    Hi Guys ,
    Does anybody have knowledge on this Model.
    Set wont turn on ...Just thumps in the Audio because
    of the 2SC being shorted out.Q404.
    Whilst in the home checking out this Model I came across
    Q404 which is 2SC5143 (The Deflection Output) .
    This Transistor is Dead short I have checked all around
    and cant seem to locate why its blown.
    Checking the schematic this Transistor apparantly
    is connected to the Yokes horizontal windings.
    I have gone over the PC board looking for dry joints
    and I am hesitant to install and try a new 2SC5143.
    Any input would be of help before I go ahead and install
    a new one.

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