Hi,
i have one acer Nitro 5 without backlight on my desk.
Mainboard model: LA-L031P GH53Z REV 1B
Attached schematics and boardview are REV 1A, slightly different as REV 1B.
11411_LA-L031P-Acer_Nitro_5_AN515-45_AN517-41-GH53Z_Rev_ (1).zip
Repair history: customer cleaned dust and changed thermal paste, shortly after that there was no light
Notebook boots without problem and shows only image without backlight, HDMI output working. Optical inspection done, no burned or broken components. Tested also with a new display module....
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