Wii motherboard repair

Discussion in 'Repair, Restoration, Conservation and Preservation' started by iver, Oct 24, 2012.

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  1. iver

    iver Newly Registered

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    I am new here. This is my first post. My friend gave me Wii with this symptoms:

    Red light is on, when I press power button it turns off and nothing happens. Somebody had changed fuse 6,3 A. I also noticed
    that big smd resistor at bottom layer 39R0 - 1W is broken and have replaced it. It is some kind off fuse too. I have 3,26V on
    output of voltage regulator U19. When I pressed power button output voltage drop down to 0V. On another voltage regulator U4
    (1,8 V ) I have no input voltage. I also have no 5V voltage. Maybe somebody have part of schematic of power supply on wii motherboard,
    or had similar problems.
     
    iver, Oct 24, 2012 Report
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  2. l_oliveira

    l_oliveira Officer at Arms

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    Check if the SD card slot is shorted out (pins damaged or a foreign object such as a coin has it shorted out. :)
     
    l_oliveira, Oct 29, 2012 Report
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  3. bart_simpson

    bart_simpson Dauntless Member

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    I have a wii board the red led part dont work but board works fine and does give me a green led?
    maybe the led gone if any ideas would be great.
     
    bart_simpson, Oct 29, 2012 Report
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  4. Bad_Ad84

    Bad_Ad84 The Tick

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    I have had faulty LED's before. Replaced and work fine.
     
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  5. iver

    iver Newly Registered

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    With SD card slot is everythig OK, so what now.
     
    iver, Nov 13, 2012 Report
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  6. marcm

    marcm Spirited Member

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    Check your power supply. I have had a PSU seem to work fine but it wasnt.
     
    marcm, Nov 13, 2012 Report
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  7. iver

    iver Newly Registered

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    I have only my stabilized labor power supply 12v/5A, must I connect original one ?
     
    iver, Nov 13, 2012 Report
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  8. CodeAsm

    CodeAsm ohci_write: Bad offset 30

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    Thats should work... but never fails trying a retail wii psu.
     
    CodeAsm, Nov 13, 2012 Report
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