Magnetic Sensor Does Not Work - Samsung SM-A920F Service Manual

8. Level 3 Repair
8-4-8-1. Magnetic Sensor

Magnetic Sensor does not work

Check the voltage
C3019 =1.8V
Check R4025, R4026
Check U3020
(crack, open, etc.)
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Yes
Yes
Yes
Yes
END
No
No
Abnormal
Replace U7003
Replace UCP4000
Replace U3020