TV blink codes, fault diagnosis and repair guides
A complete professional guide to diagnosing and repairing LG TV faults — covering main board, power supply, T-Con, and backlight failure. Includes red light blink codes, voltage tests, capacitor repair, and step-by-step fault finding for both home users and experienced technicians.
Complete Samsung TV repair guide covering all blink codes, LED backlight diagnosis (3-blink test), PSU voltage testing, service menu access, One Connect Box faults, and firmware recovery — for home users and professional technicians
A complete guide to diagnosing common TV faults — black screen, no power, lines on screen, no sound and more. Includes tools needed and step-by-step fault finding.