(This text is prepared for educational and informational purposes for electronics technicians.)

PCBs are often grounded through their screws. Ensure you track the position and type of every screw to avoid grounding issues during reassembly.

The manual provides step-by-step solutions for symptoms such as: V7.0 Smart OLED/LED/LCD TV Repair Tips - Manuals.plus

Before any repair: . Large capacitors on the power supply can hold lethal charge (up to 400V). Use a multimeter to verify discharge. Work on an ESD-safe mat.