Car auto radio Alpine CDE-170R no sound

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  • elviscen
    New Member
    • Apr 2022
    • 8
    • Slovenia
    #1

    Car auto radio Alpine CDE-170R no sound

    Hi to all,
    Anyone have some advice what can be wrong if Car auto radio Alpine CDE-170R have no sound output?
    All works fine, mute disabled, also change cables, ...
    I connect it on my bench and connect new speakers, all setup on the Auto radio are correctly setup-ed, just no sound output.
    Inside nothing burned.
    Any advice what can be wrong?
    Anyone have boardview and schematics for this Car radio Alpine CDE-170R?

    Thank you.

    Best regards,
    Elvis C.
    Tags: None
    • lotas
      Badcaps Legend
      • Jan 2016
      • 4459
      • Russia
      #2
      Re: Car auto radio Alpine CDE-170R no sound

      Check the menu for POWER IC, it is disabled by default.

      Connecting to an external amplifier
      (POWER IC)
      If an external amplifier is connected, the sound quality can be
      improve by turning off the power of the built-in amplifier.
       Setting item: POWER IC
      Values:
      OFF / ON (Initial setting)
      OFF:
      Use this mode when the line output of this
      device is used to connect to an external
      amplifier. When using this setting, the internal
      the main unit amplifier turns OFF and does not affect the
      dynamics.
      ON:
      The speakers are connected to the built-in amplifier.
      OF

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