A2159 MacBook Pro (13-inch) 820-01598-A No Internal Display

[MtapeK]

Good Day You All
I have A macbook thats working withoud internal display,

Behaviour
the PC works perfectly fine when it is connected to an external monitor.
if connected to its screen or right now even if i try another screen it is not displaying anything.

what i have done
i have checked the display area wher it connects a flex cable that goes to the display

i saw some fried componets and thanks to this forum i checked for a BRD file and these were the componets that looked burnt
L8504 , U8500,
and i replaced them

voltage on L8504 is 5.1v when i measure it after replaced it

r8515 = 5,01 volts


i need help guys where can i look and get this problem over with

thank you...

[mon2]

Re: A2159 MacBook Pro (13-inch) 820-01598-A No Internal Display

Voltage on PP5V_S0SW_LCD ?

Voltage on EDP_PANEL_PWR_BUF_EN ?

[MtapeK]

Re: A2159 MacBook Pro (13-inch) 820-01598-A No Internal Display

PP5V_S0SW_LCD = 5.103 volts.
EDP_PANEL_PWR_BUF_EN = 3.307 volts.