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SONY STR-DE545 Stereo Amplifier/Tuner no radio

Discussion in 'Electronic Repair' started by TEX, Jan 23, 2007.

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  1. TEX

    TEX Guest

    I an integrated 5.1 tuner/amp.

    Will not output anything from the tuner. Has a slight hum but nothing
    else. Doesn't seem to pickup any stations either. All the other inputs
    work fine.

    If i unplug the tuner module off the board the humm goes away. How can I
    confirm it is the tuner module before I order a new one.

    I found some schematics that lables the pins of the 15 pin tuner:

    Stereo
    Tuned
    T.Mute
    S.Data
    S.Clk
    DO
    S.Lat
    L CH

    but i have no idea what sort of signals I am suppose to expect from
    these. Any help appreciated.

    Thanks

    TEX
     
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