This video goes through a process of fixing a Hisense TV (58R6009) that does not switch on but has a blinking/Flashing standby light. The standby light Flashes 2 times continuously. This could be applicable for other Hisense models. Please note that this video is for educational purposes only, and is not guaranteed to solve your issues. Extreme care should be taken when dealing with electronics. All repairs should be taken at one's own risk.
0:05 Intro
01:33 Diagnosing Issue
02:36 Disassembly
06:35 Removing the screen panel
12:57 Testing Backlight
16:09 Changing Backlight
21:40 Assembling TV
25:20 Conclusion
Basic equipment required is a multimeter and a LED backlight tester. Panel suction caps are also recommended for removing the panel, and LED Strips. All these parts and equipment are very affordable, and can be ordered from Amazon, Ebay or Aliexpress.