samsung a14 volume key not working full Detail..with schematic diagrams ke saath ...
Our Speciality – We Provide Deep Knowledge of Mobile Phone Circuit Diagram🥳🥳🥳
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• 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.• 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.