LG KU250 Service Manual - Page 116
Vibrator
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4. TROUBLE SHOOTING 4.21 Vibrator The Vibrator is connected between +VPWR and VIB_DRV_N (PM6650 25 pin). The Vibrator motor driver is an SBI-programmable voltage out that is reference to +VPWR. Start Operate the Vibrator Work well? Yes NO Change vibrator or PM6650 End TP400 TP401 L400 56nH D400 RB521S-30 +VPWR MOTOR_PWR- - 117 -
4. TROUBLE SHOOTING
- 117 -
4.21 Vibrator
The Vibrator is connected between +VPWR and VIB_DRV_N (PM6650 25 pin).
The Vibrator motor driver is an SBI-programmable voltage out that is reference to +VPWR.
Start
Operate
the Vibrator
NO
Change vibrator
or PM6650
Work well?
End
Yes
RB521S-30
D400
TP401
L400
56nH
TP400
+VPWR
MOTOR_PWR-