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Level 3 Repair
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4. RGB Sensor
Check the Voltage
R703 = 2.8V
C703 = 2.8V
Abnormal RGB Sensor part
END
No
Yes
Check the Voltage
R451 = 1.8V
R452 = 1.8V
No
Yes
Barometer Sensor operate
correctly?
No
Yes
Resolder U703,R703 or heat over U500
Resolder U500 or heat over UCP400
change VT camera assenbly
Yes