SAMSUNG Proprietary-Contents may change without notice3. Flow Chart of Troubleshooting3-15This Document can not be used without Samsung's authorizationPAM100 CHECKpin12 ≥ -65dBm ?3-2.RF3-2-1. EGSM RX CONTINUOUS RX ONRF INPUT : 62CHAMP : -50dBmNORMAL CONDITIONcatch the channel?CHECKANT contact ?U100pin 13 : 2.8V ?PAM100 CHECKpin16 ≥ -65dBm ?U100 CHECKpin21,22 ≥ -65dBm ?PAM100,RFS100resolder or changePAM100resolder or changeC103,C108,L100resolder or changeUCP300 pinA13, C316change or resolderU100 CHECKpin 30,31freq :26MHz ?Vp-p : 380mV?OSC100change or resolderUCP201 CHECK!!NOYESNONONONONOYESYESYESYESYESF100 CHECKpin3,4 ≥ -65dBm ?F100resolder or changeYESNO