LED Tube light Repairing. Home Utility Circuit 32

1ALED Tube lights are costly lights but susceptible to instant damage. Since it uses an LED Driver and very sensitive LED Chips, voltage fluctuations, voltage surge, over heating etc can destroy it easily. But all the parts of the LED Tube light will not fail, so that we can easily repair it. The major problem may be the failure of one or more LED chips or the driver. By doing some repair works, we can use the LED Tube light again. I found one of my 12 Watts LED Tube light is not glowing and decided to repair it. Now it is working well. Its expense was just Rs.50 for the driver only. See the step wise method of LED Tube light repairing.
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Strip LED Lamp

This is my latest circuit published in EFY Sept 2011 issue. It is a simple White LED Lamp that automatically turns on in the evening and stays on till morning. It uses the recently evolved SMD  Strip LED Chips.

STRIP LED LAMP Click to see