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REFERENCE Huawei Mediapad BG2-UOI Fake Charging Done

prudenciado

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History : Pinapalitan ng Charging pin sa isang ka kilala Tech dahil minsan charge minsan hinde siningil 1k pag-uwi nya charge nya ito umiinit habang charge at imbis charge kabaliktaran discharge. at ng ilang minuto pa hinde na charge, kaya binalik sa tech pero charging ic na daw sira wala chance. napadaan sa akin nag tanong kung kaya daw sabi ko try ko

Procedure :

1. Disassemble
2. Using analog Multimeter set ko sa x1
3. Check ko shorted vise versa pumapalo
4. Check ko 5 pins dikit, resold
5. check check again nawala na ung short
6. plug ko sa charger ayaw mag charge
7. hang ko mobo nya set ko multimeter in dc 10v
8. check input 1.5V reading
9.check ko battery terminal walang input voltage
10. unplug ko, removed ko cpin, check ko x1 ok naman i suspect cpin sira, kaya replace
11. check ko charge na, Pero umiinit at madaling lowbatt
12. set ko buzzer mode smd caps ayun mga binilugan ko replace
13. Done


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