SAMSUNG Proprietary-Contents may change without noticeFlow Chart of TroubleshootingThis Document can not be used without Samsung's authorization9-219-12. GSM ReceiverCheck ANT Switchcontrol circuitResolder F100Check & ResolderC117,L123,C126And PMU PartResolder U102RX ONRF input : CH center freq : +67.7kHzCell Power : -60dBmYesF100 Pin13≥ -65dBmNoResolder CN205,C103,L102YesF100 1,2≥ -68dBm Check F100pin9,pin11 = LNoNoYesYesNoResolder C108, C109, L105U101pin 24 ≥ -70dBmpin 25 ≥ -70dBmYesNoU101pin 16,17,2932,36 ≥2.8Vpin10≥1.8VU101 pin 4,5,6,7≥ 0.2Vp_pNoYesYesCheck UCP200END
