Acer Predator XB271HU Service Manual blue light appearing but no display.

damanlikesham

Hey,

My Acer Predator XB271HU has recently stopped displaying the backlight with the blue light appearing but no display. Holding my phones flashlight to the display shows that their is an image displayed.

I’ve disassembled the monitor due to servicing not being available due to its age. I have verified the 36V and 12V voltages are present on the board but am receiving only 0.25V on the ADIM pin of the backlight driver IC. I was wondering if a service manual is available with the expected readings at each pin?

Much thanks.

[Edited the thread to add model name to the title and to add issue detail]

billsey

The is no publicly available service manual. It wouldn't be too helpful though, they don't publish schematics, just assume the technician will replace the board.