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  1. D

    [SOLVED] a1278 2936 low volatage on ppbus_g3h is 1.6volts

    pin 27/28 and i get diode mode 0.658 on pin 17/18 i get diode mode 0.001 i understand now
  2. D

    [SOLVED] a1278 2936 low volatage on ppbus_g3h is 1.6volts

    is this short to ground i changed the ISL6259 twice and same issue.
  3. D

    [SOLVED] a1278 2936 low volatage on ppbus_g3h is 1.6volts

    Hi, i get 16.31v on pin 27/28 and i get low volts on pin 17/18 i should have 12.6 on pins 17/18 but i dont can you help me with this
  4. D

    [SOLVED] a1278 2936 low volatage on ppbus_g3h is 1.6volts

    thanks for your reply on f7040 to ground the resisitance in diode mode 0.423 current sensing (pins 27/28) is 16.31v and pin 17/18 i get 1.4v
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    [SOLVED] a1278 2936 low volatage on ppbus_g3h is 1.6volts

    Hi, i have and A1278-2936 Board with green light at the charger.But ppbus_g3h is 1.6volts i even change u7000 and still same problem.What do you recommend? Please see my attachment for the rail i have checked.
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    hi thanks i change the npc now the TPS51427A is cool now but am back to square one , this do not...

    hi thanks i change the npc now the TPS51427A is cool now but am back to square one , this do not make sense to me am getting 3v 5v and i change the bios 5 times and still no booth from the board
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    Sony Vaio SVF152 Series SVF1521MCXB wont turn on completely dead no light nothing

    hi i replace the NPCE985L and now the TPS51427A gets very hot i change it and still it gets very hot please help me with this thanks
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    Sony Vaio SVF152 Series SVF1521MCXB wont turn on completely dead no light nothing

    hi that is my fault i wasn't getting power to pu7 by my error that is why i corrected it maybe i should of explain my self i tried the protection mode removal but no good this normally work for me in many Sony mother board repair but this one is different
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    Sony Vaio SVF152 Series SVF1521MCXB wont turn on completely dead no light nothing

    need help with this Sony Vaio SVF152 Series SVF1521MCXB wont turn on completely dead no light nothing one member charm in any more ideas will help thanks
  10. D

    Sony Vaio SVF152 Series SVF1521MCXB wont turn on completely dead no light nothing

    pu7 vin pin 6 19 voltage
  11. D

    Sony Vaio SVF152 Series SVF1521MCXB wont turn on completely dead no light nothing

    pu7 vin pin 6 19 volts
  12. D

    Sony Vaio SVF152 Series SVF1521MCXB wont turn on completely dead no light nothing

    i even reset the bios still dead i get short from 5 capacitor that are in the photo please let me know if you can view the picture i can do it over again
  13. D

    Sony Vaio SVF152 Series SVF1521MCXB wont turn on completely dead no light nothing

    thanks yes i have schematic i measure voltages on the attach picture
  14. D

    Sony Vaio SVF152 Series SVF1521MCXB wont turn on completely dead no light nothing

    need help with this Sony Vaio SVF152 Series SVF1521MCXB wont turn on completely dead no light nothing
  15. D

    Sony Vaio SVF152 Series SVF1521MCXB wont turn on completely dead no light nothing

    Hi, I have a Sony Vaio SVF152 Series SVF1521MCXB Intel i7-3217U Motherboard DA0HK9MB6D0 that wont turn on or show any led lights i checked the basic parts like battery and ac wall charger once plug in the laptop remain dead no sign of power please see my attachment.
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