How To Fix LG TV No Image & No Sound but with only backlight. UH7650 Series. Shorted Parts Issue
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- เผยแพร่เมื่อ 18 ก.ย. 2024
- This video goes through a process of fixing a LG TV (65UH7650) that has no display image or sound but only backlight. The video shows how to narrow down the issue with some tips on fixing similar issues. This could be applicable to other LG UH7650 series or models.
0:16 Intro
0:53 Removing the LG TV Back Cover
03:14 Explaining what will be done.
04:20 Checking the TCON Voltage
09:16 Checking the right led driver board
09:55 Alternative diagnostics using short detection on capacitors
12:10 Finding the shorted capacitor
15:40 Replacing the shorted capacitor
19:35 Assembling TV
20:08 Conclusion
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.
Basic equipment required is a multimeter and a soldering station. Can be ordered from Amazon, Ebay or Aliexpress.