The Full Forms of the PCB Pinouts

Most mobile companies provide PCB circuit pinouts for every section.

Example-

Today we are going to provide you basic full forms of those pinout names.

PWR = Power Button 

VCH/VBUS = CHARGING 5V INPUT

VBAT = BATTERY POSITIVE

VIB/VB = VIBRATION MOTOR POINTS

SPK = SPEAKER OUTPUT

GND = GROUND

DP= USB DATA POSITIVE

DM= USB DATA NEGATIVE

HSPKR = HANDFREE SPEAKER RIGHT

HSPKL = HANDFREE SPEAKER LEFT

HSMIC = HANDFREE SOUND MIC

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