Magnetic Sensor Does Not Work - Samsung SM-M307F Service Manual

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

Magnetic Sensor does not work

Check the voltage
C3033 =1.8V
Check R3011, R3012
(I2C is OK?)
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Yes
No
Yes
No
Yes
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No
No
Replace U3003
Replace U3018