PS3 Damaged Teensy and PS3 by shortcircuit

Discussion in 'Hardware Mods' started by Louay, Nov 19, 2019.

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    Louay

    Louay Senior Member

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    I have a PS3 before that i have the teensy installed in all the time to test cfws and stuff i have the orignal back up ,one of my friend brings me his laptop to install new OS ,i put laptop qnd ps3 ln same desk and when i turn to the ps3 like auto reaction my hand moves the ps3 and say tetete 3 beeps like it freeze and i click on power button so ps3 is shuttedown my laptop that have teesny plugged in usb port turn on off ,teensy is off also so all of those are off

    I dissamble my laptop quickly and remove the internal battrey let it dry power then power it on and it works i test all of usb ports with diffrent usb and external hard drive they work and provide the normal power to supply usb so first one which is laptop is fixed then

    i turn on again ps3 and it behave like ylod i measure the fuse with multimeter and normal they should not exceed 10 i fix one of use i find its 14 by changing the fuse TH2401 from another dead ps3 and it works so now second problem is fixed

    Now what left is i want to know if there is possibilty to fix the teensy or not ,as for it use USB ports from laptop and laptop USB ports didn't damage maybe it could have some kind of protection against shortcircuit

    I want to know of i can fix my teensy to regain flashing nand as for nor i have E3 flasher

    IMG-20190911-WA0031.jpeg

    @littlebalup @Yugonibblit @Naked_Snake1995 @Cypher_CG89
     
    Last edited: Nov 19, 2019
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    jacobsson

    jacobsson Member

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    @Louay This might be a stupid question, but you have measured your teensy for any shorts or dead components?
     
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    Louay

    Louay Senior Member

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    That time when lose my ps3 and laptop only thing important to me that moment is to retrive the ps3 and laptop but teensy came to my mind this morning in classroom i am on they way back home i will measure evert component and see
     
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    jacobsson

    jacobsson Member

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    @Louay That's wise. I might just happen again so you need to see what shorted it.

    Is Teensy is powered by it's own power, or by the PS3 5v rail?

    I wonder if it could somehow back power the PS3 and trip/kill the fuse. Which fuse did you change?
     
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    Louay

    Louay Senior Member

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    It
    3.3v regulator installed and its powered by ps3 cause i didn't include external PSU and i change fuse TH2401 in the bottom of motherboard

    IMG-20190911-WA0031.jpeg
     
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    sandungas

    sandungas Moderator Developer

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    The laptop is working, thats the most important thing :)
    Btw, you should use an old PC for this kind of tests... you know... a different one than the PC you use normally

    Not sure where you got the values for the fuses/thermistors of the PS3, but nice you fixed it too :)

    --------------------
    For the teensy, what i would do is to check it in opposite direction... i mean... first check the voltage pins of the AT90USB128 chip
    It have several input voltages that should be present in the chip pins
    If the voltage are present but still doesnt works... probably it means the chip have some internal circuit fryed (so is a game over and you should stop checking because there is no way to fix the chip)

    Check this images:
    https://www.psdevwiki.com/ps3/File:Teensy++_2.0_schematic.jpg
    https://www.psdevwiki.com/ps3/File:Atmel_AT90USB128_pinout.jpg

    In the first image the voltage inputs are grouped, located at top-left corner

    As far i can see and i remember...
    Pins 3 and 8 (conected together) = 5v
    Pins 64, 21, 52 (conected together) = 3.3v (or 5v, depends if you are using a voltage regulator)
     
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    Yugonibblit

    Yugonibblit PSX-Place Supporter

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    Yugonibblit

    Yugonibblit PSX-Place Supporter

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    what the hell happend to that post?
     
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    Louay

    Louay Senior Member

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    i think you reply you include it as in quote by mistake héhé
     
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    Yugonibblit

    Yugonibblit PSX-Place Supporter

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    fried teensy or regulator im not sure.
     
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    Yugonibblit

    Yugonibblit PSX-Place Supporter

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    oops heehee
     

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