SAMSUNG Proprietary-Contents may change without noticeFlow Chart of Troubleshooting10-20This Document can not be used without Samsung's authorizationPAM100 CHECKpin#8 ≥ -65dBm ?10-2-1. EGSM850 RX Band : GSM850CELL POWER : -50dBmChannel : 190ChNORMAL CONDITIONcatch the channel?NO CHECKANT contact ?YESNOPAM100, RFS100re-solder or changeYESNOPAM100re-solder or changePAM100 CHECKpin#4 ≥ -65dBm ?YESNO F100re-solder or changeF100 CHECK?YESTCXO CLOCK CHECK?19.2MHz @ C225NO TCX200, C225re-solder or changeYESU200 Check?NOU200change or re-solderYESUCP300 CHECK!!