Samsung SGH-E316 Service Manual

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Samsung SGH-E316 Service Manual Manual pdf 13 page image

SAMSUNG Proprietary-Contents may change without noticeSGH-E316 Flow Chart of Troubleshooting and Circuit Diagrams5-5This Document can not be used without Samsung's authorization4. Charging Part(Picture 1)The pin #17, #18 of CN200 isTA_VEXT 뵃 5V?Abnormal charging operationThe pin #2 of U104 is "low"?Replace TA or Check CN200Check the U104Check the U105ENDNoYesYesYesNoNoThe pin #3 of U105 is "low"?The pin #5 of U104 is 3.2~4.2V"? Check the U104NoYesThe ICHRG = 1V(during charging)and 뵃 180mV(full charging)?NoSolder again or change R168YesCHARGINGR17010K,1%VBATR1693K,1%312564Q10110V10UFC149100K,1%R1731 ISENSEPROG 43 VCC5VSENSEU104DRIVE 6GND210K,1%R168C1506.3V10UFQ1021 3210K,1%R175 VBAT14U1052563U10647KR167100K,1%R174TA_VEXTCHG_ON ICHRGCHG_DETJIG_ONTA_VEXTTA_VEXTJIG_ON_IF