ASUS T500 MB Service Manual
9
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
R150
4
CPU
R1501
