[SOLVED]820-3115 No power from keyboard

[aurel476]

liquid damage on keyboard only board looks very clean, keyboard connector clean
PP3V42_G3H 3,47V
PPBUS_G3H 12,60V
SMC_ONOFF_L 3,47V
R5710 1K
R5070 8,36K
voltage pin 5 of J5713 3,47V
try 3 good keyboard good know
tried short R5016 no power, just power on if plug charger

 

[Gurmon]

Does SMC reset work via keyboard ?

Have you power on Pin 30 & Pin 4 on J5713 ?

 

[aurel476]

no smc reset via keyboard doesn't work
pin 4 of J5713 3,47V and pin 30 3,33V

 

[Gurmon]

What does U5750 area look like ?

Also check R5704.

 

[aurel476]

solved, strange now all work thanks you

 

[Gurmon]

So, what was it ?

 

[SMMRepair]

Bad keyboard?

 

[aurel476]

no tried all other keyboard and worked and power on pad work now