PS5 disk drive not working

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  • bogosort
    replied
    I forgot to update the post, but it was indeed one of the fuses on the mainboard that was blown. Thank you for your help!

    Leave a comment:


  • Croupier
    replied
    Originally posted by bogosort

    Thank you for confirming. Could it be that the MAIN motherboard should be supplying another voltage, other than the 12v? I checked everywhere else on the disk drive board and all I can find is the same 12v at its source
    Pretty sure there should be 5v and 12v supplied to the disc drive daughter board.

    Leave a comment:


  • lotas
    replied
    In order for voltage to appear at the output (pin 6) of this LDO, the controller must send a command (voltage) to turn it on, this is to the 3-pin EN (turn on).
    Last edited by lotas; 01-28-2024, 09:39 AM.

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  • bogosort
    replied
    Originally posted by Mommotexx
    Diode reading looks good compared to mine. The component you're missing is indeed a capacitor, and shouldn't be necessary for testing
    Thank you for confirming. Could it be that the MAIN motherboard should be supplying another voltage, other than the 12v? I checked everywhere else on the disk drive board and all I can find is the same 12v at its source

    Leave a comment:


  • Mommotexx
    replied
    Originally posted by lotas

    It’s not clear, if at this point you have 12.09v, then why on 1 pin. you have 0.668v when it should be 12v?
    Because this is a diode mode measurement, and not voltage measurement

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  • Mommotexx
    replied
    Diode reading looks good compared to mine. The component you're missing is indeed a capacitor, and shouldn't be necessary for testing

    Leave a comment:


  • lotas
    replied
    Originally posted by bogosort
    The tension at the point you mention is 12.09v
    It’s not clear, if at this point you have 12.09v, then why on 1 pin. you have 0.668v when it should be 12v?
    Attached Files

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  • bogosort
    replied
    Sorry for the double post, but I’d like to add that the shorted component that I removed was there (see photo). Could it be the reason it is not working? I thought it was only a capacitor and that it could work without replacing it. Can anyone confirm the component that was in this location?

    Leave a comment:


  • bogosort
    replied
    The tension at the point you mention is 12.09v

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  • lotas
    replied
    Originally posted by bogosort
    It does look like A8=XXX, hard to tell

    I am only getting the 12V

    Here are the diode readings.
    So where are these 12v?, which are supplied if there is no power supplied to the input, and accordingly there will be nothing at the output.
    ​​​​​​Is there some tension here?
    Attached Files
    Last edited by lotas; 01-27-2024, 09:12 AM.

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  • bogosort
    replied
    It does look like A8=XXX, hard to tell

    I am only getting the 12V

    Here are the diode readings.

    Leave a comment:


  • Mommotexx
    replied
    Check diode readings on this component, and come back to us. I will check a working one

    Leave a comment:


  • stj
    replied
    are you actually getting 5v and 12v going in?

    Leave a comment:


  • lotas
    replied

    Rather, your pinout, look here, maybe you will find yours, look for the markings (A8-xxx) and the body.
    Or do you have (A8=xxx)?​
    Attached Files
    Last edited by lotas; 01-22-2024, 01:32 PM.

    Leave a comment:


  • lotas
    replied
    Remove the chip and look where the 4 pin (VIN) goes.

    Yes, and the input voltage exceeds (your input is 12V), but it looks like it’s not.
    Attached Files
    Last edited by lotas; 01-22-2024, 12:47 PM.

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  • bogosort
    replied
    Thank you. Based on the data sheet you provided, it implies that there's 12v on the EN pin only. This seems strange. Also, the ground doesn't seem to be at the same place on the board vs the data sheet. I'll have to investigate further

    edit: ground is at the right place
    Last edited by bogosort; 01-22-2024, 12:11 PM.

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  • lotas
    replied
    RT8008
    Attached Files

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  • lotas
    replied
    Originally posted by bogosort
    Is it possible that the component (the one with 5 pins) is bad? If so, anyone can identify it? It says A8-P1P on top of it.
    Richtek RT8008-18P
    Attached Files
    Last edited by lotas; 01-22-2024, 08:06 AM.

    Leave a comment:


  • bogosort
    replied
    Anyone?

    Leave a comment:


  • bogosort
    replied
    Is it possible that the component (the one with 5 pins) is bad? If so, anyone can identify it? It says A8-P1P on top of it.

    Leave a comment:

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