Onkyo tx-sr606 fluorescent display not working

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  • redwire
    Badcaps Legend
    • Dec 2010
    • 3906
    • Canada
    #21
    Re: Onkyo tx-sr606 fluorescent display not working

    -VP is a 37VDC regulator Q9001 maybe check C9005, C9001 for heat damage. It makes +5VDIS and -VP at -31.5VDC
    Filament AC FLAC1, FLAC2 lines go through many connectors and just jumper in and out of a board. What a mess. They go to a transformer winding S4.

    Only 3 models get the cooling fans

    Onkyo TX-SR606 Service Manual here:

      Comment

      • assenheimer
        New Member
        • Aug 2023
        • 4
        • Brazil
        #22
        Re: Onkyo tx-sr606 fluorescent display not working

        Originally posted by lotas
        Replace the display power capacitors (anode voltage and filament voltage).
        So there is a hope!
        Did you know where I can find them on the board?

        Sorry for my poor English.

          Comment

          • assenheimer
            New Member
            • Aug 2023
            • 4
            • Brazil
            #23
            Re: Onkyo tx-sr606 fluorescent display not working

            So I replace the 470uf capacitor and success!!
            Thanks for the help!
            I'm so happy!

              Comment

              • redwire
                Badcaps Legend
                • Dec 2010
                • 3906
                • Canada
                #24
                Re: Onkyo tx-sr606 fluorescent display not working

                I'm guessing that is C9001 470uF 63V on the Video PC Board, schematic #4 SD-4.

                  Comment

                  • Blue95
                    New Member
                    • Oct 2023
                    • 1
                    • Australia
                    #25
                    Re: Onkyo tx-sr606 fluorescent display not working

                    Had success today with one of these, thankyou

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