realme 7i dead solution full guide hindi #deadmobilerepair #smartphone #mobile #sabhi

Course Details • Basic Electronics Components Identity ,Working ,Testing etc. • How to use Multimeter. • How to use DC Power Supply. • Explain about boost / buck / LDO Circuit. • Explain about RC/LC Circuit. • How is work digital Circuit. (Pull up & Pull down resistance) • Explain about GR/Diode value. • Explain about Cool test & Hot test. • Explain about Protocols -  I2C LINE  I2S LINE  SPI LINE  SPMI LINE  MIPI LINE • Explain about Primary & Secondary line. • How to Diagnosis short circuit by rosin/cc method. • Explain about voltages & signals deeply. • We will explain all section by circuit diagram with practical-  Booting sequence of mobile phones  Charging section  Thermal circuit fully explain  Display light section (IPS & AMOLED)  Graphic section (IPS & AMOLED)  Audio section  Network section  Wi-Fi/BT/FM/GPS/NFC theory & practical  Explain about sensors like – Hall /Proximity /Accelerometer etc.  Explain about CPU/EMMC/EMCP/PMU AND ITS COMBINATION ********************************************************* • REMOVE & install small components right way. • Under masking jumper • How to remove pasted ic (black & white paste) • How to reball ( CPU , EMMC , PMU ) • Right way to remove plastic parts. • Many more practical & repairing tips. ********************************************************* • Driver installation (MTK, Qualcomm , SPD etc) • Tools installation (MRT, UMT, CM2, Z3X etc.)