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[FIX] USB SELF POWERED - By Alfredo Guilenea

Discussion in 'Tutorials' started by Alfredo Guilenea, Jan 14, 2014.

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    Alfredo Guilenea

    Alfredo Guilenea <b>Ferrari's Engineer</b><br /><i>MaxConsole Spani Loyal Member

    Joined:
    Oct 5, 2013
    Location:
    Argentina - Capital Federal
    TESTED WITH 3 MODELS 4011B with a 4.20 QSV BOARD
    TESTED WITH A MODEL 2101A with a 3.0 BOARD​

    Hi guys. Im a installer and seller here on Argentina. i sold like 20 cobra ode at the moment and i dream to be a oficial reseller here on argentina.

    i was pretty active in the forums but because of a few problems i did not have the time to come here and help like it was before.

    first of all.
    With the installation of several cobras. many clients encounter that they have problems with the usb self powered hdd.
    i allways recommend that use a usb with external power because of that.

    so in the end i want it to fix this issue that has been a problem since the beggining.

    first i want to say about the test i made on other post.

    i was making a few tests with a Toshiba 2TB Self powered usb.

    and i try a few things.
    first i tried to take 5v from the front usb port. The front usb port gets power from the 12V rail and in the motherboard it has a switching adapter to 5V. (That it why the front usb port is not allways on. On the cobra ode we get the power from the direct 5V and that are allways present, the 12V they active only if you turn on the PS3.)

    when i tried to give power from the usb front port. the ps3 shutdown.
    But then i think. what if is not a power consumption problem.

    so what i try is to just connect the Data+ and - to the cobra ODE
    and the 5v and ground of the usb front port.

    that way i got it working, but i have to eject the BD. everytime i turn on the ps3.
    thats because when i turn on the ps3 the cobra did not get the HDD working.
    it has to have the green light before you turn on the ps3.


    i also tried with a usb charger Samsung 5v 2A. connected to the mini usb plug and that did not work.

    So probably the consumption is not the problem here. Maybe the problem is Noise on the 5v and that shutsdown the ps3 completly.

    So here it is.

    the total for fixing this is less than 0.50 cents.

    you will need

    • a simple cable
    • inductor 18μH or 15μH or 22μH
    Inductor.jpg


    so let me try explain what the problem is.

    is not the Amps that it causing to the ps3 to shutdown.
    the problem is that the HDD is giving to the 5v a little of noise, and that is what is causing the problem.
    that is why sometimes you cant solve it using a 5v 2A charger. is not about the power consuptiom.

    now what we are going to do.

    we need to take voltage from somewhere else.
    The 5v where the cobra is getting it is not good because is not ment to that purpose
    so the other place we can get 5v is from the front usb ports.

    the power brick from the ps3 has built in two power bricks in one.
    the main is the 12v. and the second one is the 5v that use for stand by and 3v to turn on the ps3.

    when the ps3 is on, the 12v activate and runs the ps3 (that is why the ps3 cant charge the controllers while off).

    It has a switching power builtin 5v for each usb port. so there we have a lot of power to feed all thatwe want.

    First we are going to solder a cable from the usb front port
    2014-01-14 17.01.12.jpg

    you can cut a little of the power brick and it should look like these.
    2014-01-14 17.03.51.jpg

    Now we are going to mod the USB port of the cobra ODE.


    what we are going to do is Cut the track of the 5V and add the 18μH inductor.

    here is a little drawing that i made.
    2014-01-14 20.28.15.jpg


    Here is a little better that i made
    Tutorial Placa.jpg

    and this is installed.
    2014-01-14 15.59.17.jpg
    2014-01-14 20.48.16.jpg


    and to finish.
    we just have to solder the cable we got to the inductor like these

    2014-01-14 19.08.23.jpg


    and we are done.

    i test it with a Super Slim 4xxx with a cobra board 4.2 QSV
    and a 2101A slim model with the old pcb's for all consoles.

    with this you can play with all of the usb self powered that you want.
    i test a lot of self powered hdd's like toshiba 2TB, Toshiba 1TB, toshiba 500GB, WD 500GB, WD 1TB, WD 2TB, Noganet Case.

    i hope this thing will be usefull and give a break to the cobra team, that they are working really hard to fix all the other important stuff.

    Maybe if magneto can say to me where is the 5v on the Cobra ODE Board because i cant see any tracks, so i can make the mod inside the cobra board, instead of the cobra USB BOARD.
    so that way you dont need to take a cable outside to fix it.

    here is a video of the ps3 working with this fix.
    Im sorry for my english on the video, i dont have the chance to use it often. Please forgive me!


    Another video with a 4011B ps3




    Edit: Milajeux thx for the correction of the 18uh inductor
     
    Last edited by a moderator: Jul 7, 2016
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    rednekcowboy

    rednekcowboy Developer

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    Awesome work and very nice tut!
     
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    stanleycup

    stanleycup Loyal Member

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    when u say 18uh inductor , you mean resistance ohms??
    does this work with ps3 super slim 4xxx
    if the ps3 only freezes at Cobra, no shutdown , just freeze at cobra does this trick work also?? for freezing issues

    thanx a lot
     
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    jdut

    jdut Loyal Member

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    Home Page:
    http://www.xlan360.fr
    Cool

    i was just waiting for cobra team to validate this mod ... thanks for your amazing work ...

    i hope there's a way to install this mod without opening ps3 again ....
     
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    Alfredo Guilenea

    Alfredo Guilenea <b>Ferrari's Engineer</b><br /><i>MaxConsole Spani Loyal Member

    Joined:
    Oct 5, 2013
    Location:
    Argentina - Capital Federal
    Here you have the specifications.
    Its an inductor. Mines are really old ones. Have it over 10 years now.
    Here you have a web pages that explains it

    http://www.elexp.com/t_induct.htm

    Its a 18μH inductor. You can see it on the photo because its green.

    The tutorial is.made for super slim consoles 4xxx.
    In theory it should fix the freezes problems to with this kind of disk.

    But i dont have a ps3 with that issue so i cant quite tell.

    There is.
    if you see the video you dont have to open the ps3. You just have to take the usb port of the cobra. Do the mod.
    And you can use a usb cable to plug on the front.
     
    Last edited by a moderator: Jan 22, 2014
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    milajeux

    milajeux Loyal Member

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    The inductor is 18µH but not 82 µH as you make in your drawing.
    1:BROWN 2:GREY 3:BLACK TOLERANCE:SILVER
     
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    Alfredo Guilenea

    Alfredo Guilenea <b>Ferrari's Engineer</b><br /><i>MaxConsole Spani Loyal Member

    Joined:
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    Location:
    Argentina - Capital Federal
    You are right. I dont knkw why i put 82. Since in the draw i have the value 18.

    Thanks for the correction i will edit the tutorial
     
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    stanleycup

    stanleycup Loyal Member

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    ok thanks again for your help , really appreciate your time and effort to bring this video tutorial and explainations. One more question please , i see on your photo you solder the inductor on the left side with the wire that leads to the front USB and thats pretty clear on the photo , but the right side of the inductor is soldered where exactly , it is not clear on the photo , is it on the same track that the cut trace was made ???
     
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    Djirko

    Djirko Loyal Member

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    I cant find 18uH inductor in my local store, so maybe i can use different value? There only these two closest to 18uH:
    15uH 10% 335mA
    22uH 10% 285mA
     
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    Alfredo Guilenea

    Alfredo Guilenea <b>Ferrari's Engineer</b><br /><i>MaxConsole Spani Loyal Member

    Joined:
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    Location:
    Argentina - Capital Federal
    It should work. I dont have that values to test it at the moment. Beware that the leg of the inductor has not to be to thin. Otherwise the ps3 will shutdown.
    But there is no risk on trying

    20140114_204837.jpg

    I think i have a few =P

    Im on the office right now. When i get home i will take another photo with the macro lens and show what track you have to cut
     
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    SDeath

    SDeath Loyal Member

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    Great find Alfredo!!
    Clear tutorial!!
    Good job!!
     
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    Djirko

    Djirko Loyal Member

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    But how about about amps? Will ~300mA be sufficient? As far as i know self powered drive could take even up to 1A. Anyway i will go to local store and try buy those i write and test them.
     
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    stanleycup

    stanleycup Loyal Member

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    so do you have a better photo of the soldering on the external PCB of the Cobra , its clear on the previous photo where u soldered on the left side of the inductor on the ceramic thingy but the right side of the inductor do you solder on the same track right after the CUT Trace?? i presume yes but could you post another photo or just confirm please , thank you ..
     
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    Alfredo Guilenea

    Alfredo Guilenea <b>Ferrari's Engineer</b><br /><i>MaxConsole Spani Loyal Member

    Joined:
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    Location:
    Argentina - Capital Federal
    Sorry for keep you waiting.
    i was having a problem with a ps3 of a client that the disc stop spinning. and when i uninstall the cobra, the disc was not working either. i finally found the problem of that. i saw someone on the forum with that problem if somebody can givem e the link pls.
    to tell him that he has a blow fuse on the motherboard

    here is the photo you ask.
    Tutorial Placa.jpg

    its not going to be a problem.
    what are we are doing here is killing the noise that makes the ps3 to shutdown.
    the front usb has a lot of amps. you will loose 300ma but is not to much

    i connect 2 HDD on the front and one on the cobra and works like a charm.
    the 12v rail has 13A other ones has 16A, and with the 5v switching that has on the front ports (one for each one) you have spare power

    Thx Sdeath!
    coming from you that help alot of people is really nice.

    i hope magneto see this post to confirm that this fix is working.
     
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    stanleycup

    stanleycup Loyal Member

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    Thank u for posting picture
     
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    Djirko

    Djirko Loyal Member

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    Thanks for the tip. I already bought some inductors, later today i will try your trick with 15uH and 22uH inductors, since i didnt find 18 one and let you know how it goes.
     
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    jdut

    jdut Loyal Member

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    Home Page:
    http://www.xlan360.fr
    Thanks for future feedback

    Don't forget to mention what ps3 model is yours and what revision of cobra do you use ( qsv ? 4.20 ? 4.30 ? )

    I am awaiting for inductors , will report as soon as i get mine ...
    ( slim 2504b , cobra qsv rev 4.20 pcb )
     
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    Alfredo Guilenea

    Alfredo Guilenea <b>Ferrari's Engineer</b><br /><i>MaxConsole Spani Loyal Member

    Joined:
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    Location:
    Argentina - Capital Federal

    i test it out with a few models so far.
    1 ps3 2101A with a 3.0 cobra board.
    3 ps3 super slim 4x with 4.2 QSV

    Please do!
     
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    Djirko

    Djirko Loyal Member

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    So far testings with 15uH inductor looks good :)
    For now using external USB cable to power the board. PS3 model: 3004B with Cobra QSV.
    Heres the picture of soldering:
    20140117_165026.jpg

    Already tried few self powering external drives and all of them seems to work... No shutdown, no restarts, no freezes.
    Now testing by playing some games, will report later.

    Little update:
    still playing for almost an hour and everything runs smooth :) Alfredo Guilenea, im really thankful for your fix :)
     
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    DennyPSP

    DennyPSP Loyal Member

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    to Alfredo Guilenea
    Hi..may i ask you. why you simple not used Y cable for connect to Cobra and front USB panel?
     

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