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.8-98-3-3. Charging PartCheck C512 whether voltagereading is greater than 4.7VAbnormal charging partNoYesCheck C508 whether voltagereading is greater than 4.7VNoYesCheck L711Waveform.(switching waveform)NoCheck the TA and the SLC500(TA or SLC500 may not be connected properly)Check U505 chip(U505_OVP chip may not work)Check L711 (crack, open, etc.)YesYESChange U702END