Asus PA246Q - Page 38

Service Manual PA246Q
57
11.6 Check Inverter BD:
Check Inverter
No
Yes
Check Power BD & I/F BD
Check CN801 Pin 7
(BL_ADJ) Voltage ≈ 3.3V (High)
or PWM Signal
No
Yes
Check Power BD & I/F BD
Check CN801 Pin 1~5
Voltage ≈ 24V
No
Yes
Check Power BD
Yes
Replace Inverter BD
Check CN801 Pin 6 (BL_ON)
Voltage ≈ 3.3V (High)