Backlight Repair Toshiba smart TV 50L3400U and 50L1400U black spot black bar shadow fix

LED TV Tester link https://amzn.to/3UwW616
This works for both the non smart and smart version of this toshiba 50 in tv.

• #howto_style
• #led
• #backlight
• #toshiba
• #smart
• #tv
• #fix
• #repair