Samsung SM-T311 Service Manual

Also see for SM-T311: User manual User manual

Contents

Level 3 RepairDistribution, transmission, or infringement of any content or data from this document without Samsung’s written authorization is strictly prohibited.Confidential and proprietary-the contents in this service guide subject to change without prior notice.8-62F100 PIN11 About :About 22 dBm ?8-3-20. WCDMA BAND2 TX CONTINOUS TX ON CONDITIONTX POWER DAC:14500 CODEAPPLIEDWCDMA Band2 CH : 9880RBW : 100KHzVBW : 100KHzSPAN : 10MHzREF LEV. : 10dBmATT. : 20dBCheck the Voltage atC102 = 2.85V?Resolder or changeF100, C102Check L108 :About 22dBm ?Resolder or changeL108YESNONOYESYESCHECK soldered- RFS101,C112,L107,L103,C108,- C190,L134,C104,ANT102,C110,L105NOCheck componentsoldering status OK atF101Resolder or changeF101NOYESCheck L119 :About 22dBm ?Resolder or changeL119YESNOCheck the Voltage atR106,C117=VOUT_CHARGER?Resolder or changePAM100, R106, C135NOYESCheck L118About 0dBm ?Resolder or changeL118YESYESCheck the voltage at{C147 = VOUT_CHARGER ?}& {C157, C159= VOUT_CHARGER?}& {C146 = 2.85V ?}& {C141= 2.65V ?}& {C168 = 1.8V?}Resolder or changeU104Check the freq. atOSC100 pin3: 26MHz ?Change or resolderOSC100NOYES NOYESWCDMA band2 Transmitter is O.K? Resolder or changeUCP300ENDNO