Light / Distance Sensor Failure - Asus T500 Service Manual

ASUS T500

6. Light / Distance sensor failure

Solution:
1 Measure VREG_L6_1P8 R1504's voltage
2 Measure VREG_L17_2P85 R1501's voltage
3 Use a Oscilloscope to measure R1521's VPH_PWR voltage, and check if the control signal is normal.
4 Check if the connector is abnormal, re-solder or replace it to test again
5 Add soldering or re-solder CPU, or replace it
Light / distance sensor connector
CPU
MB Service Manual
R150
4
R1501
9