Skyworth LCD TV 42E321W secondary non-boot failure troubleshooting example - appliance repair - Database & Sql Blog Articles

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After repairing a Skyworth LCD TV 42E321W, the indicator light is red and cannot be turned on twice. Check the power board is normal, determine the problem of the motherboard (board number 5800-A8R580-1P30), see figure:
IMG_20151030_171333_Copy.jpg
5800-A8R580-1P30 motherboard
The output voltage of the regulator IC is abnormal, and the D603 diode is broken.
Bad diode
Replace with a rectifier diode
Boot, beauty is coming!

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