How To Repair A TV That Won't Turn On | How To Replace A TV Power Supply Board | Sony KDL 40W5710

How To Repair A Dead TV | Dead Power Supply Board Replacement

In this YouTube video tutorial I will show u how to diagnose and repair a dead tv based on these specific symptoms for any TV.

This is the 40 inch LCD TV Sony Model KDL 40W5710

Warning: This type of repair does come with risk of electrocution and damage to your device or other related electronics. Therefore consult a professional if in doubt, or do at your own risk.

There is no power when turned on, no led lights whatsoever, no backlight (back light).

Please note for this type of repair, ie no power and no led lights, until you actually replace the faulty power supply there is no telling what else could be wrong with the TV. Once you repair the power supply then you can investigate further depending on the numerous other symptoms that may appear.

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