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8. Level 3 Repair
8-4-8-3. Proximity
Proximity Sensor does not work
Check the voltage
C3070 =1.8V
(Sensor's IO voltage)
Check the voltage
C3069 =3.3V
(Sensor's LED voltage)
Check SDA, SCL of U3031
(I2C is OK?)
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Yes
No
Yes
No
Yes
No
Yes
No
END
No
No
No
Replace U3014
Replace U3012
Replace U3031
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