820-000165 turn on, not video

[andrespi]

This machine works well with all active sources, but it does not give video, nor backlight; fan turn on

some measures

BKL_EN=0v
EDP_BKLT_EN=0v
PPBUS_G3H=8.6v
PPVIN_S0SW_LCDBKLTFET=8.6v
PLT_RERST_L =3.2V

 

[2informaticos]

There is no reason to search for backlight, if no image present.
But should confirm if you get USB activity at least; or no reason to search for image too.
Check on both USB ports...