Pioneer VSX-1020 won't start /relay click /

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  • coojoe_213
    Senior Member
    • Nov 2015
    • 105
    • bulgaria
    #1

    Pioneer VSX-1020 won't start /relay click /

    Hi. Yesterday receiver ''stuck/freeze'' on ''POWER ON''. Today no display, no blink, only main relay click. All compination enter+power button etc.... doesmt work.
    Amp section is perfect.
    On IC581 all correct ( i have input 5V/OUTPUT 3.3V)
    On D582 /cathode/ i have 2.7v
    C333/C506/C552/C606 are good, correct voltages.

    I don't have osciloscope to check crystals on processor. May be receiver won't boot firmware...
    Can you tell me how continou.

    Service manual is too big (32mb) to upload here, here is a link
    Last edited by coojoe_213; 08-02-2018, 09:31 AM.
    Tags: None
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