Blu LIFE 8 - 4.3.3 Earphone Circuit; 4.3.4 Receiver Circuit

4.4 Vibration issue:
Vibrator is a DC motor, power supply is OK, then the vibrator is working. Vibrator circuit
as follow:
In the circuit, CPU output high, the vibrator stop working, VIB output low, vibrator was
working. If vibrator does not working, check vibrator soldering first, then check if the
vibrator is a good part, check if VIB output is OK.
VIB pad