Samsung Galaxy Note Edge Service Manual page 50

Level 3 Repair
8-3-7. Sensor
Sensor does not work
Yes
Check OSC400
Replace OSC400
Frequency = 32.768khz ?
No
Yes
Check R5021, R5022
Replace U4002
(I2C is OK?)
No
Yes
Replace Sensor IC
Yes
END
8-16
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