Samsung SM-G780F Common Service Manual

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Confidential and proprietary-the contents in this service guide subject to change without prior noticeDistribution, transmission, or infringement of any content or data from this document without Samsung’s written authorization is strictly prohibited.8. Level 3 RepairNORMAL CONDITIONCatch the channel?8-4-27. GSM 850/900, WCDMA B5/8, LTE B5/8/12/13/17/20/26/28 RXENDNoYesYesCheck C1057 ≥-65dBm Check C1057,L1008 or SUB PBANoCheck RFS1000,CoaxialcableYesResolder or changeRFS1000,Coaxial cableNoCheck F1000YesResolder or changeF1000NoNoCheck componentsoldering status ok?U1000Resolder or changeU1000Receiver is OK? Resolder or changeU12022NoYesYesYesNoCheck componentsorldering status ok?U2001 Resolder or changeU2001NoCheck C1042 ≥-65dBm Resolder or changeC1042Check L1011 ≥-65dBm Resolder or changeL1011NoYes