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Thread: PC PSU "repair" (it starts but shuts down after 1 sec)

  1. #31
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    Yeah for such big components with lots of solder you need transformer soldering pistol, most of the soldering pens won't handle that, they do not transfer the heat fast enough (even if they have the heating power). Czech Nuba makes nice ones http://nuba.cz/kategorie-produktu/tr...orove-pajecky/

  2. #32
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    i couldnt find SB 360 or equivalent, so the only type of rectifying schottky diode that i found today, was 1N5408. it is a 3A 1000V diode
    its kind of a big difference between 60V and 1000V Repetitive Reverse Voltage, is this diode good? or it would damage my psu(somehow) ?

    I am sorry if i ask too many questions, i hope i didnt become irritating with this silly questions. I apreciate the help i received and thank you again.

  3. #33
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    That's ordinary diode, too slow.

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    Quote Originally Posted by Behemot View Post
    That's ordinary diode, too slow.
    i understand. thanks for telling me, i was about to solder the diode on the PCB. It seems that i'll have to wait until i find a good one.

  5. #35
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    Schottky is the best solution, anything else may give you voltage regulation problems. Though if you don't use the -12V rail maybe super-fast recovery diode may work too.

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    minus0 (02-13-2017)

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    I have ordered 2 schottky diodes, SR360 3A 60V. The order will arrive friday. I couldnt find any on stock. This is so embarrassing. I fell like the earth stood still because of a cheap diode. I guess i could have found Plutonium to buy much faster then a schottky diode.
    I will post the final status pictures with the PSU after i will receive the diodes.

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    You can get any shottky with similar parameters, there are dozens of different types with different names, no reason to get the same…

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    Gentlemen, GOOD NEWS! My dead PSU, Thermaltake LitePower 600W Black Edition, is ALIVE again.
    I have replaced the bad diode [SB360] with a new schottky diode SR360, it took me 30 minutes to position the diode in the default position, under the coils.
    And i have installed the PSU on a different system to test it. See attached images.
    The PSU is running fine so far. I apologize for the inactive time, the order arrived today.
    THANK YOU asf14tomcat. You saved my PSU. Also thank you Behemot and thank you all.
    ps: i cant attach the photos, i receive an warning-error message. it says a token is missing. ?

  10. #39
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    Image too large?

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    jonnyGuru, i apologize, i think you are right. It was 01AM, i was a bit tired.
    I have resized the files and re-attached them.
    PSU seems to run fine under 100% cpu LOAD. For several days i will test it with this configuration:
    -AMD FX6350
    -AMD 6670
    -16GB RAM DDR3 1866Mhz CL9
    -GA970A-D3
    -1TB HDD
    -500GB HDD
    -MAELSTROM 120T

    Then i will test it with AMD FX6350 + GTX660 + 32GB RAM + 6TB HDD + GA990FXA-UD3.

    Thank you.

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