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8. Level 3 Repair
8-4-8-4. Fingerprint Sensor
END
Replace the Fingerprint sensor module
Yes
Fingerprint Sensor does not work
Yes
Yes
Check the voltage
C3091 = 3.3V
C3092 = 1.8V
No
Replace U3017
Check the Fingerprint Sensor
connector on Main PBA
Yes
No
Reconnect the HDC3001
Check the Fingerprint Sensor
MISO, MOSI, CLK, CS_N Pins
(SPI is OK?)
No
Yes
Replace UCP4000