1)BASIC ELECTRONICS,ASSEMBLING & DISASSEMBLING
2)HOW TO KNOW IC,CPU, COIL,CAPASITER ,RINGER,
SPEAKER,VIBRETER,ANTINA
3)HOW TO USE MULTI METER,CHEKING CONNECTIVITY,
TRACKS ,RINGER,SPEAKER
3)HOW TO KNOW DIFFRENS BITWEEN FLASH IC,POWER
IC,PF IC,RF IC,ANTINA SWITCH,RAM IC,DOUBLE IC,
GLASS IC,PASTED IC,BOOTING IC,MIC IC,RINGER IC,
AND HOW TO FIX ALL IC'S.
4)HOW TO REBOWL POWER IC,CPU,FLASH IC & OTHER.
5)HOW TO FIX CHINA DISPLAY WITH SOLDRING,OTHER
WITHOUT SOLDRING,CHARGING CONNECTOR,HF
CONNECTOR,BATTRY CONNECTOR,ON OFF SWITCH,
AND JUMPRING.
6)HOW TO SEARCH TRACKS ON CIRCUIT DIGRAMS. |