Q Coin Motor - LG -P350 Service Manual

4.17 Q coin Motor

Q coin Motor is worked as below :
touch touch-window
U601 : Used the PWM pulse
START
Reboot
Work well?
No
TP1, TP is OK?
No
TP3 is 3.3V?
TP4 is working?
No
Check SW
Measurement
VREG_MOTOR_3.3V(TP1)
MOTOR_P(TP) / MOTOR_N(TP3)
LIN_PWM_FREQ(TP4)
Measurement
VREG_MOTOR_3.3V(TP1)
MOTOR_P(TP2) / MOTOR_N(TP3)
LIN_PWM_FREQ(TP4)
LGE Internal Use Only
Vibration feedback
Yes
Yes
Yes
Check an U60 SMT status by X-ray, Exchange it
END
Change the Q coin Motor
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4. TROUBLE SHOOTING
Only for training and service purposes