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PS4 pro PSU ADP-300CR shuts down when turning on 12V

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    #1

    PS4 pro PSU ADP-300CR shuts down when turning on 12V

    Hi,
    I would like to ask for your help to troubleshoot a faulty PS4 pro power supply
    I have a st_by voltage ane when i try to power on 12v line PSU shuts off

    i measure lot of components but i don't fins faulty piece ,
    when i try to power on 12v line voltage increasing to ~420v so it looks like PFC was working,

    Now i have no idea what i can do more to fix it and i will be very helpfully to help me in this case.
    Tags: None
    #2
    Re: PS4 pro PSU ADP-300CR shuts down when turning on 12V

    Need some pictures of the circuit boards in this device
    9 PC LCD Monitor
    6 LCD Flat Screen TV
    30 Desk Top Switching Power Supply
    10 Battery Charger Switching Power Supply for Power Tool
    6 18v Lithium Battery Power Boards for Tool Battery Packs
    1 XBox 360 Switching Power Supply and M Board
    25 Servo Drives 220/460 3 Phase
    6 De-soldering Station Switching Power Supply 1 Power Supply
    1 Dell Mother Board
    15 Computer Power Supply
    1 HP Printer Supply & Control Board * lighting finished it *


    These two repairs where found with a ESR meter...> Temp at 50*F then at 90*F the ESR reading more than 10%

    1 Over Head Crane Current Sensing Board ( VFD Failure Five Years Later )
    2 Hem Saw Computer Stack Board

    All of these had CAPs POOF
    All of the mosfet that are taken out by bad caps

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      #3
      Re: PS4 pro PSU ADP-300CR shuts down when turning on 12V

      Rather, the problem is in the set-top box itself, if you manually start it and 12 v appear, if there is a problem with the set-top box, then it blocks these 12v.

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        #4
        Re: PS4 pro PSU ADP-300CR shuts down when turning on 12V

        am sending the board photos
        Attached Files

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          #5
          Re: PS4 pro PSU ADP-300CR shuts down when turning on 12V

          any ideas ?

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