Mobile Phone MAIN BOARD Components List

Most important component of mobile phone

Resistor
Capacitor
Inductor
Diode
Transistor
MOSFET
TVS(Transient Voltage Suppressor)
Crystal

Most important component of mobile phone

•Backup Battery

•Fuse

•IC

•Microphone

•Vibrator

•SIM Card Slot

•SD Card Slot

•Connector

•Spring

Describe important component of mobile phone

RESISTOR

RESISTOR symbol & fUNCTION

CAPACITOR

CAPACITOR symbol & fUNCTION

Inductor

Inductor symbol & fUNCTION

What is the color of the resistor ,capacitor , and inductor ?

Generally:

Resistor :Black

Capacitor :Brownish yellow

Air core inductor :Grey/ White

How do you identify the components of capacitor , inductor , and resistor by digital multimeter?

Capacitor: Open

Inductor: Short

Resistor:Open(>100Ω) or Short (<100Ω)

Diode

diode symbol & fUNCTION

transistor

transistor symbol & fUNCTION

mosfet

mosfet symbol & fUNCTION

tvs diode

tvs diode symbol & fUNCTION

main crystal

Real-time Crystal

crystal

crystal symbol & fUNCTION

backup battery

backup battery

backup battery symbol & fUNCTION

fuse

fuse symbol & fUNCTION

ic

ic diagram & fUNCTION

microphone

microphone diagram & fUNCTION

Vibrator

Vibrator diagram & fUNCTION

Sim card slot

Sim card slot diagram & fUNCTION

SD card slot

SD card slot diagram & fUNCTION

Battery & Earphone Connector

USB Connector

BTB & ZIF Connector

Antenna Spring

Antenna Spring

Thanks

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