Scheda madre : Da0R23MB6D0 rev.D

Difetto :
Dopo aver spento il portatile , alla successiva accensione , non da segni di vita .
Alimentazione 19 v presente , nessun corto circuito evidenziato .
tensioni sul KBC :
pin 64 ov7
pin 65 2v8
pin 19 ho una tensione di 3v3 , con la pressione del tasto power va a 0 volts per poi ritornare a 3v3 quando rilascio il tasto power
pin 127 3v3
pin 123 0v
pin 101 3v3
pin 86 2v8
pin 13 0v
grazie per l'aiuto
[mod="MSF113"]Use english![/mod]

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Posted after 1 hour 10 minutes 18 seconds:
Motherboard: Da0R23MB6D0 rev.D

Defect:
After turning off the laptop, at the next power on, no signs of life.
Power supply 19 v present, no short circuit highlighted.
Tensions on the KBC:
pin 64 0v7
pin 65 2v8
pin 19 I have a voltage of 3v3, with the pressure of the power button it goes to 0 volts and then returns to 3v3 when the power button is released
pin 127 3v3
pin 123 0v
pin 101 3v3
pin 86 2v8
pin 13 0v4 with pressure key power 0volts
pin 95 18v always present
pin 90 3v3, press power button 0 volts release power button 3v3
pin 6 0v3 with press power button or volts
pin 16 0v3 with press power key or volts
pin 98 0 volts, I noticed that by removing power I have a voltage of 18 volts
pin 99 idem pin 98
Thanks for your help

is that true ?

yes

Errata corrige here again the power supplies of the kbc
pin 64 pin ov7
pin 65 2v8
pin 19 3v3 (pressing the power button switches to 0 volts and then returns to 3v3 when I release the power button.)
pin 127 3v3
pin 123 0v
pin 101 3v3
pin 86 2v8
pin 13 0v
pin 95 power off 0 volt, power on 3v3
pin 13 0v4 with key pressure power 0volts
pin 90 3v3, with power button press 0 volt release power 3v3 button
pin 6 0v3 with press power button or volt
pin 16 0v3 with press the power button or volts
pin 98 0 volt, (I noticed that removing the power jack I have a value of 18 volts)
pin 99 pins of identical behavior 98

Reprogrammed SPI FLASH U 44 = winbond 25q16bvsig, on the motherboard is signed as U 46, U 44 is not mounted on this motherboard.
Without success, the defect is the same.

Thanks for your suggestions .

127 pin LID_EC# ?
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Y4 32.768KHZ works ?