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 3.4V' Power On ' does not workChange the BatteryENDNoYesC420(VISA) = 2.7V? Check the PMU related to VINTNoYesCheck the Clock atR410=32KHZResolder OSC400NoYesC400(+VDD_IO_LOW) &C405(+VDD_IO_HIGH) = "H"? Check the related circuitNoYesC205(+VDD_GSM_CORE)= 1.8V?Check the +VDD_GSM_CORE circuitNoYesCheck for the clock at C325= 26MHzCheck the clock generation circuit(related to U102)NoYesCheck the initial operationYesYes
