Technical Support x450ep dim display

[Prozon]

i checked many voltages regarding screen +3v lcd not present +3v EID present 19v present and i made a jumper between +3v lcd and 3v EID still didnt solve the problem and then changed GPQ1 mosfet but still same no changes scerrn is okay display cable is okay.
Thank you for your support

 

[Hosein Asadolahi]

i checked many voltages regarding screen +3v lcd not present +3v EID present 19v present and i made a jumper between +3v lcd and 3v EID still didnt solve the problem and then changed GPQ1 mosfet but still same no changes scerrn is okay display cable is okay.
Thank you for your support

check bl_en and bl_pwm and replay

 

[Prozon]

both19.5v available

 

[Hosein Asadolahi]

both19.5v available

that signal must be 3.3v !!!!! check its again .

 

[Prozon]

sorry i was confused while watching boardview there is no voltage and i its from IO

 

[Prozon]

Thank you so much for the help