SAMSUNG Proprietary-Contents may change without noticeFlow Chart of TroubleshootingThis Document can not be used without Samsung's authorization9-139-7. Key Data InputWhen one of the keys ispushed,is it displayed on LCD?Check the Dome sheet & Key PadENDNoYesYesCheck Initial OperationWhen one of the keys ispushed,KBIO signal is OK?Replace the PBANoYes
