Samsung GT-E2550 Service Manual

Also see for GT-E2550 Monte Slider: User manual

Contents

SAMSUNG Proprietary-Contents may change without noticeFlow Chart of Troubleshooting9-14This Document can not be used without Samsung's authorizationRFS100 CHECKPin#2 ≥ -65dBm ?9-2-2. DCS1800 RX *Refer to the Line(DCS1800 Rx path) in service schematic page1CHECKANT,C151,C100,C101,C102contact ?NORMAL CONDITIONcatch the channel?NOYESRFS100resolder or changeNOYESC103,C104,PAM100resolder or changeNOPAM100 CHECKPin#17 ≥ -65dBm ?YESNOF101 CHECKPin#1 ≥ -65dBm ?C111,F101resolder or changeYESNO C110,C112,L101resolder or changeU100 CHECKPin#15,16 ≥ -65dBm ?YESOSC100resolder or changeOSC100 CHECKPin#1, #3 : 26MHzNOC127,C128,C129 2.8V ?R105, C136 2.9V?YESC127,C128,C129,R105,C136resolder or changeNOYESDCS1800 Receiver is OK?NO DCS1800 RX path componentsresolder or changeEND(C103)(C111)(Insert Conduction RF cable)(C110,C112)(*Pad #1,3 is visible)Continuous Rx on, Rx input=-60dBm, Channel=698