Often utilizes standard SMPS controllers like the OB5269 or similar PWM controllers to manage switching efficiency. Critical Components and Repair Points
If you want to dive deeper into this specific board layout, tell me: vestel 17ips62 schematic
The scope showed a jagged, dying line. The voltage was trying to start, hitting 12V, then dropping to zero, over and over. It was "hiccups." The board was trying to protect itself. Often utilizes standard SMPS controllers like the OB5269