No Backlight on LED screen

Discussion in 'VAIO / Sony' started by nebage, Sep 27, 2011.

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  1. nelxxl

    nelxxl Newbie

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    I followed the indications of this forum and I discovered the fuse of my laptop., I checked with the multimeter how the fuse had no electricity continuity... then I created an electric connection bridge with tin... then my laptop ( Sony Vaio Fit 13A multi-flip SVF13N1E4E ) lcd backlight was working again., references:
    Sony Vaio Fit 13
    Sony Vaio SVF13
    Sony Vaio SVF13A
    Sony Vaio SVF13N
    Sony Vaio Fit multi-flip
    Sony Vaio Fit 13A multi-flip SVF13N1E4E

    [​IMG]

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    [​IMG]

    [​IMG]
     
  2. Marquimvfs

    Marquimvfs Newbie

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    Hi! O got a defective Vaio SVF142C29U, with a DA0HK8MB6E0 REV:E motherboard. The backlight fuse (f2, on the flipside of the lcd connector) is busted, so I bypassed it. But now the machine won't turn on anymore! The strange thing is that if I remove the bypass, the computer works again (without backlight). I've not short circuited any component arround the fuse, i double checked. Someone got an idea of what could be my problem? Thanks in advance.
     
  3. catadoiro999

    catadoiro999 Newbie

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    I have the same mothorboard than you, but i make nothing. ¿Do you arrange your problem? ¿Can you say who is the correct fuse?

    i found the schematic of DA0HK8MB6E0, in case anyone can help us

    http://www.s-manuals.com/motherboard/quanta_hk9, in the page 17 we can found de LVDS
     
  4. fedecaba

    fedecaba Newbie

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    Hi! May be I have the same ultrabook, is your mobo MBX-281 model? I measure the fuse (with E-E mark) near the LVDS and was 40 ohms instead of 0omhs. How was yours? Could you fix it?
    Thanks!
     
  5. fedecaba

    fedecaba Newbie

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  6. catadoiro999

    catadoiro999 Newbie

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    Hello, i have a Vaio SVF1521, with a DA0HK8MB6E0 motherboard, i found the fuse and i fix it. The fuse is "F2" you can found it in the back of the motherboard. I Solder above the fuse with a copper wire and the backlight is back.
     
  7. zeros000

    zeros000 Newbie

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    Last edited: Feb 14, 2017
  8. vanotti

    vanotti Newbie

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  9. vanotti

    vanotti Newbie

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    I think is that. true?
     
  10. ebra.ah

    ebra.ah Newbie

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    hi
    no back light on led screen SONY VGN-Z720D MBX-183
    [​IMG]
     
    Last edited: Mar 26, 2017
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