Often an MP series or similar IC that manages the switching of the primary MOSFET.
If you can hear audio or see a faint image when shining a flashlight close to the screen, your logic board is working, but the backlights are dead. vestel 17ips62 schematic new
TV turns on (backlight flashes briefly then goes off, or never comes on). Cause: The 17IPS62 detects an LED strip failure. Often an MP series or similar IC that
Technicians often encounter specific repeatable failures on the 17IPS62: your logic board is working
Another source for the 17IPS62-R2 service manual and schematic. Key Technical Specifications