SAMSUNG Proprietary-Contents may change without notice9. Flow Chart of TroubleshootingThis Document can not be used without Samsung's authorization9-19-1. Power OnCheck the Battery Voltageis more than 3.7V' Power On ' does not workChange the BatteryENDNoYesPMU_VIO = 2.8V? Check the Main Chip related toVGPIO_2.8VNoYesCheck the Clock atUCP200 L16pin(CLK32K)=32KHZCheck the Main ChipNoYesR205(+VGPIO) = "H"? Check the related circuitNoYes+VCORE_1.25V= 1.25V? Resolder C202 and L202NoYesCheck the initial operationYesYes