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3. TROUBLE SHOOTING
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3.13 Vibrator Trouble Shooting
Vibrator signal’s path is PM8226 -> VB100
DC Motor controlled by PM8226 PMIC_VIB_N voltage level.
Motor vibrate well?
Disconnect and re-connect
Lower FPCB Connector (CN9400)
Yes
Yes
Yes
Yes
Start
Change Motor.
Vibrate is normal?
Rework component
TP1(L105), TP3(L106)
Works well?
Check Lower FPCB.TP1 to
TP2/TP3 to TP4
Short test. Is it OK?
No
No
No
No
Replace Lower FPCB
End
Replace Lower FPCB