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ic number not visible in (smps)

Discussion in 'General Electronics Discussion' started by seekerofknowledge, Nov 6, 2012.

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  1. seekerofknowledge

    seekerofknowledge

    4
    0
    Nov 6, 2012
    Hi Friend/z

    I am new to this forum and i hope i will get some help to this problem.

    I have a computer power supply Compaq, Product of china, Series PDP 118.

    The problem is there is one broken ic in which the number is not visible to replace it so i want that number or equivalent one.

    here i will upload images of that power supply

    http://imageshack.us/photo/my-images...icture2oi.jpg/
    http://imageshack.us/photo/my-images...icture3hc.jpg/
    http://imageshack.us/photo/my-images/19/picture4pu.jpg/
    http://imageshack.us/photo/my-images...icture5jx.jpg/
    http://imageshack.us/photo/my-images...icture6pa.jpg/
    http://imageshack.us/photo/my-images...icture7hc.jpg/
    http://imageshack.us/photo/my-images...icture8gd.jpg/


    That ic is in primary section

    There is one more good similar ic the number of that ic is

    J242
    TOP243Y
    21041C

    IMAGE OF THAT GOOD IC IS http://imageshack.us/photo/my-images/19/picture4pu.jpg/


    THX IN ADVANCE
     
  2. davenn

    davenn Moderator

    13,726
    1,914
    Sep 5, 2009
  3. (*steve*)

    (*steve*) ¡sǝpodᴉʇuɐ ǝɥʇ ɹɐǝɥd Moderator

    25,451
    2,809
    Jan 21, 2010
    Once you get to that image (I gave up before I got there the first time) you can go forward and back to see the other images. However, none are of any use.

    The photos need to be sharp and we must be able to read what's on the devices.
     
  4. seekerofknowledge

    seekerofknowledge

    4
    0
    Nov 6, 2012
    sir i do not have high definition cam with me, that is why images are not clear, and i have uploaded these images only for indication, i can provide you all the component number's and other details if you require, i already mentioned the transistor number if you want me to mention other also i can mention it pls.
     
  5. CocaCola

    CocaCola

    3,635
    5
    Apr 7, 2012
    You don't need a high res camera, you simply need to spend some time getting better pictures... If the camera can't focus up close take a step back and let it focus... Add more light so it can focus easier, outside during full sun is an optimal time to take pictures... An out of focus photo is just about useless, a less zoomed in, in focus photo is far more beneficial... Especially if you can comment the part numbers that are not visible...

    Try taking a step or two back, take an in focus photo even if it's not tightly focused to one area...
     
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