Do you have a to check current voltages at the test points? Inx In518 Ic Pinout Diagram TOP | PDF - Scribd

Note: There is no widely recognized standard IC with the exact model "INX IN518". If you are looking for a specific power regulator or microcontroller, please check the logo on the chip.

From that day forward, Jack was hailed as a genius, and the Inx In518 became a legendary component in the world of electronics. And though the IC itself remained small and unassuming, its impact on the world was anything but.

INNOLUX Panel Backlight ok No display,,in518 DC to DC ic change

Since appears to be a typo or a partial reference, this detailed review covers the most likely component you are looking for: the 1N5189 (a standard Silicon Switching Diode often referenced in lists near "518") or the general 1N518x series .