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