Repair Case Studies

Samsung QN65Q80C completely dead. Traced power supply failure to bulging capacitors. Complete replacement with 105°C rated components.

LG OLED55C3PUA with no picture but audio working. LED driver circuit failure diagnosed and repaired with precision component replacement.

Sony KD-75XH9096 HDMI port damaged. Detailed soldering techniques for surface-mount connectors on premium HDTV boards.

TCL 55R745 with dark spots and uneven backlight. Complete LED strip replacement with proper panel disassembly, testing, and calibration procedures.

Skyworth 65SUC9300 with intermittent power issues. Complete power supply capacitor replacement using ESR testing and preventive maintenance techniques.

Vision+ 43-inch LED TV with clicking relay noise and failure to start. Y-sustain board capacitor replacement and power supply protection circuit analysis.

Massive 82-inch HDTV completely dead with no standby light. Traced power supply failure through optocoupler feedback loop to restore functionality.

Vitron 55-inch QLED with sound and picture but no backlight. LED driver boost converter failure diagnosed through voltage testing and capacitor replacement.

Synix 50-inch HDTV damaged by lightning-induced power surge. Systematic diagnosis of surge protection components and selective replacement to restore functionality.

Vitron SM26 with damaged HDMI port from botched previous repair attempt. Advanced trace repair using magnet wire jumpers and precision micro-soldering.

TCL Roku TV with vertical lines and color distortion. T-Con board power management IC failure diagnosed and replaced without full panel replacement.

LG OLED48C3PUA with intermittent power issues and random shutdowns. Standby circuit capacitor degradation diagnosed through ESR testing and replaced with premium components.

Samsung QN43Q60C stuck in boot loop after only 18 months. Systematic diagnosis of power supply vs. main board failure, leading to board replacement.

Skyworth 55-inch LED TV shutting down due to overheating. Comprehensive thermal management repair including heatsink cleaning, thermal paste replacement, and airflow restoration.

Sony HDTV overheating and shutting down due to liquid metal thermal compound migration. Advanced thermal management repair with proper liquid metal application techniques.

Vision+ 32-inch HDTV damaged by power surge. Systematic component testing and selective replacement to restore functionality without replacing entire boards.

LG QLED55 HDMI ARC not working with soundbar. Cold solder joint diagnosis and reflow repair that works 80% of the time without port replacement.

Generic 32-inch LED power supply board used in TCL, Skyworth, Synix, and other brands. Same failure pattern across all brands, same permanent fix with quality components.

Samsung QN75Q90C power supply complete rebuild. All electrolytic capacitors replaced with premium 105°C rated components for maximum reliability and longevity.