Proximity + Rgb Light Sensor Does Not Work - Samsung SM-A920F Service Manual

8. Level 3 Repair
8-4-8-3. Proximity + RGB Light sensor

Proximity + RGB Light Sensor does not work

Check the voltage
C3908 =1.8V
(Sensor's IO voltage)
Check the voltage
C3907 =3.3V
Check R4025, R4026
Check Connector HEA3000
(damaged, etc.)
Check Sensor FPCB Module
(damaged, etc.)
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Yes
Yes
Yes
Yes
Yes
Yes
END
No
No
No
Abnormal
Replace Connector HEA3000
Abnormal
Replace Sensor FPCB Module
Replace U7003
Replace U3000
Replace UCP4000