This is a common "trick" found in repair books. Modern LED drivers are designed to shut down the TV if a single LED in the series fails (open circuit). This is a safety feature to prevent overheating.
: Fixing reddish or slow-moving images by soldering jumper wires to broken power tracks. Track Cutting
Methods to bypass specific screen signals (like CKV, CKVB, and STVP) to eliminate horizontal and vertical lines, double images, or jumping displays.
