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19" TFT LCD computer monitor model:MG19VT

Discussion in 'Electronic Repair' started by [email protected], Aug 11, 2006.

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  1. Guest

    19" TFT LCD computer monitor model:MG19VT,year:Jan 2006,UL
    Listed:99F6,no power I found these electrolytic capactors bulged:

    EC1,EC2,EC3,EC10,EC22,EC23,EC25=470 uf,16v

    so I replaced them and still no power up,there is 12v entering the unit
    from the detacheable power cord & on the CD driver board but 5v is
    absent in most parts of the main board, the problem is around:

    U9=9435A=30V P-Channel PowerTrench MOSFET
    U10=AIC1578CS=High-Efficiency, Step-Down DC/DC Converter

    does anyone have any schematics or common repair tips?.Thanks in
    advance.

    Sidney
    E-mail:sidneybek(at)yahoo.com
    Dartmouth,Nova Scotia
    Canada
     
  2. Andy Cuffe

    Andy Cuffe Guest

    The first thing to look for are fuses. They are probably surface
    mount and might not look like fuses.
    Andy Cuffe

     
  3. Franc Zabkar

    Franc Zabkar Guest

    Is this correct? If so, then why are you repairing a monitor that
    should be covered by warranty? Just curious ...
    - Franc Zabkar
     
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