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8. Level 3 Repair
8-4-7. Hall IC
Hall Sensor of main PBA does not work
Yes
Yes
END
Check the voltage
C4074 =1.8V
No
Replace U4018
Check the voltage
C4072, L4005 =1.8V
Yes
No
Replace U7002
Hall Sensor of Sub PBA does not work
Yes
Yes
END
Check the HDC8000
Connection
No
1. Reconnect HDC8000
2. Replace SUB PBA
Check the voltage
C105 of Sub PBA =1.8V
Yes
No
1. Reconnect HDC8000
2. Replace SUB PBA
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