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schematics for zenith tv zb2777h

Discussion in 'Electronic Repair' started by Derek Agar, Feb 22, 2004.

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  1. Derek Agar

    Derek Agar Guest

    I have an older zenith tv model# zb2777h
    Does anyone have any schematics/service notes on this? I had called
    zenith and they don't support that anymore and neither do the other
    places that I have tried.
    The problem is that the sound does not work. The amplifier seems
    fine. I traced it back to the main power board that is not supplying
    a low voltage for driving the ICs on the amp board. None of the
    components seem fried and none of the fuses are blown. Everything
    else seems to be fine.
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