BenQ BL2423PT Product Service Manual – Level Ii page 83

No Video (Power LED White)
No Video (Power LED White)
Press the power
button is OK?
OK
Replace the power
board
NG
Replace the main
board and connection
NG
Check the LVDS/FFC
cable or panel
NG
Replace the key board
NG
Replace the main board
OK
OK
OK
Replace the LVDS/FFC
83
The end
The end
cable or panel