Samsung SGH-G810 Servise Manual

Also see for SGH-G810: User manual Quick start guide User guide

Contents

SAMSUNG Proprietary-Contents may change without noticeFlow Chart of Troubleshooting10-31This Document can not be used without Samsung's authorization10-4. WCDMA TXTX ONTarget PWR=23dBmCheckTX Module OutputRe-solder RFS100,C119, L102FEM100 PIN8≥ 10dBmYESCheck AntennaSwitch ControlCheckTX Module Input NOCheck FEM100PIN28=H, PIN27=LPIN1=LYESFEM100 PIN10≥ 8dBmCheckDuplexer InputNO YES Re-solder or ChangeFEM100Re-solder DUF201,L204, C216DUF201 PIN1≥ 5dBmYESCheckCoupler InputNORe-solder or change CPL200,C200, R200, R201,R202, R203CPL200 PIN2≥ 5dBmYESCheckPAM InputNOPAM200 PIN8≥ -15dBmYES Re-solder or ChangePAM200, C201CheckTransceiver Input NORe-solder or ChangeC113, C219, C201, F204U100 PIN59≥ -20dBmYESNOCheck U101, UCP300END