Lenovo G40-30 ACLU9 NM-A311 "JEDP1" not have +3vs & +LCDVDD

Discussion in 'Lenovo - IBM' started by alvin, Jan 8, 2016.

  1. alvin

    alvin Member

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    below the picture of location, in case pin 20,21,23 do not have the power that necessarily. please help me..... thnks before....

    upload_2016-1-7_17-13-55.png
     
  2. kotnatan

    kotnatan Well-Known Member

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    Search +3VS
    [​IMG]
     
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  3. alvin

    alvin Member

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    that Q9 have 3vs but L1 in my case not have part (disable) & LCDVDD_CON not have power, my board is REV : 1.0

    do you have boardview of this board?
     
  4. kotnatan

    kotnatan Well-Known Member

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    today there is no boardview :(
     
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  5. alvin

    alvin Member

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    :(:confused::(
     
  6. nguyenkhacha5

    nguyenkhacha5 Moderator

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    today there is no boardview
     
  7. alvin

    alvin Member

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    Unresolved Issues :D:D:D.........

    upload_2016-1-8_15-47-44.png

    "QC1" pin 6, 5 do not have the power that necessarily, so i open "RPC24" & tes the part (1ok) but part its OK, then I check "QC1" pin 2, 3 power it's OK then I open the part the turn on power MB it's have 3v. I test using LCD and it's working :D....... So i change the part then I test Using LCD & CRT........ All its working :D:D;). thanks for schematics and support all member sualaptop365.edu.vn. :D:D:D:D:D:):)
     

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