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Looking for service manual & schematics for Pioneer VSX-454

Discussion in 'Electronic Repair' started by kurt, Oct 16, 2008.

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  1. kurt

    kurt Guest

    Rear speaker channels have no output so I thought I'd take a shot as
    fixing them as everything else works. Anybody have a pointer to some
    scans of of the service manual and / or schematics?


  2. Arfa Daily

    Arfa Daily Guest

    Is this a model with a 5.1 direct input facility at the back ? If so, first
    move is usually to switch to that set of inputs, and see if the rear
    channels have output when you stick a signal into the rear L and R inputs.
    That at least tells you if the problem is with the output stages, or preamps
    / decoding.

  3. kurt

    kurt Guest

    Thanks for the follow up. i do not think that it has the 5.1 direct
    input. I put it into the test mode where it sends white noise to each
    individual speaker sequentially. All worked except the rear pair.

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