Samsung Galaxy Note Edge Service Manual page 86

Level 3 Repair
8-3-22. HRM / UV Sensor
"HRM / UV" function does not work
Yes
Check the voltage
No
C4036 = 1.8V
Resolder U7003
Replace the PBA
Yes
Check the voltage
No
Resolder U4011
C4027 = 3.3V
Replace the PBA
Yes
Resolder R5039, R5040
Check I2C line
R5039, R5040
Replace the PBA.
Yes
No
Resolder U4033
Replace the sensor module
Replace the PBA.
END
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