Repair Case Studies
Detailed repair walkthroughs for consumer electronics. Each case study includes diagnosis, repair steps, and lessons learned.
QLED Repair
October 18, 2025
Samsung 65" QLED TV - Power Supply Capacitor Failure (October 2025)
Samsung QN65Q80C completely dead. Traced power supply failure to bulging capacitors. Complete replacement with 105°C rated components.
OLED Repair
October 15, 2025
LG 55" OLED TV - Backlight Driver Failure (October 2025)
LG OLED55C3PUA with no picture but audio working. LED driver circuit failure diagnosed and repaired with precision component replacement.
HDTV Repair
October 12, 2025
Sony 75" HDTV - HDMI Port Repair (October 2025)
Sony KD-75XH9096 HDMI port damaged. Detailed soldering techniques for surface-mount connectors on premium HDTV boards.
QLED Repair
October 9, 2025
TCL 55" QLED - LED Backlight Strip Replacement (October 2025)
TCL 55R745 with dark spots and uneven backlight. LED strip replacement with proper calibration and testing procedures.
HDTV Repair
September 28, 2025
Skyworth 65" HDTV - Power Supply Rebuild (September 2025)
Skyworth 65SUC9300 complete power supply capacitor replacement. Preventive maintenance for aging HDTV power supplies.
LED Repair
September 25, 2025
Vision+ 43" LED TV - Clicking Noise and Startup Issues (September 2025)
Vision+ 43-inch LED TV with clicking noise. Y-sustain board capacitor replacement and power supply stabilization.
HDTV Repair
September 22, 2025
Smart 82" Royal TV - Dead Power Supply Resurrection (September 2025)
Massive 82-inch HDTV completely dead. Traced problem through optocouplers and capacitors to bring it back to life.
QLED Repair
September 19, 2025
Vitron 55" QLED - No Backlight, LED Driver Failure (September 2025)
Vitron 55-inch QLED with picture but no backlight. LED driver circuit failure diagnosed and feedback capacitors replaced.
HDTV Repair
October 5, 2025
Synix 50" HDTV - Main Board Failure After Power Surge (October 2025)
Synix 50-inch HDTV damaged by power surge. Component-level diagnosis and selective replacement of blown components.
LED Repair
September 16, 2025
Vitron SM26 Smart TV - HDMI Port Repair (September 2025)
Vitron SM26 with damaged HDMI port from previous botched repair. Complete restoration with magnet wire jumpers and new port.
QLED Repair
October 2, 2025
TCL Roku 65" QLED - T-Con Board Failure (October 2025)
TCL Roku TV with vertical lines across screen. T-Con board diagnosis and repair without full panel replacement.
OLED Repair
September 13, 2025
LG 48" OLED - Power Supply Capacitor Plague (September 2025)
LG OLED48C3PUA with intermittent power issues. Cheap capacitors replaced with quality 105°C rated components.
QLED Repair
September 30, 2025
Samsung 43" QLED - Main Board Failure (October 2025)
Samsung QN43Q60C completely dead after 18 months. Power supply capacitor failure and main board component replacement.
LED Repair
September 10, 2025
Skyworth 55" LED - Thermal Shutdown Issues (September 2025)
Skyworth 55-inch LED TV overheating and shutting down. Heatsink cleaning and thermal paste replacement on power components.
HDTV Repair
October 8, 2025
Sony 65" HDTV - Liquid Metal Thermal Compound Migration (October 2025)
Sony HDTV overheating due to thermal compound migration. APU thermal management restoration and component testing.
HDTV Repair
September 7, 2025
Vision+ 32" HDTV - Main Board Failure After Power Surge (September 2025)
Vision+ 32-inch HDTV damaged by power surge. Selective component replacement and board restoration.
QLED Repair
September 27, 2025
LG 55" QLED - HDMI ARC Not Working (October 2025)
LG QLED55 HDMI ARC failure. Port testing and repair techniques that work 80% of the time before replacement.
LED Repair
September 4, 2025
Generic 32" LED TV Board - Capacitor Plague (September 2025)
Generic 32-inch LED board used in TCL, Skyworth, and Synix. Same failure pattern, same permanent fix with quality components.
QLED Repair
October 20, 2025
Samsung 75" QLED - Complete Power Supply Rebuild (October 2025)
Samsung QN75Q90C power supply complete rebuild. All electrolytic capacitors replaced with premium 105°C rated components.