How to Repair Led Bulb

About: I make diy and electronics based projects.

In this instructables I will show you how to repair led bulb

Step 1: Remove the Top Cover

Remove the top cover (diffuser) then desolder two wires of ac mains from the board.

Step 2: More Details in Video

Step 3: Check All Led

Set your multimeter to continuity mode then place your positive lead to positive side of the led and negative lead to negative side of the led. Mark the faulty and led.

Step 4: Remove the Led

Desolder the led carefully.

Step 5: Take a New Led

Step 6: Solder New Led

Step 7: Replace the Capacitor

In the backside you can see two capacitors one is electrolytic and another one is polyester capacitor. Replace that 47mfd/63v electrolytic capacitor with new one.

Step 8:



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    5 Discussions


    Question 7 months ago

    Hi, You have not shown the reconnection of the AC power leads to the board, just saying.

    4 answers

    Answer 7 months ago


    or why replacing the EL cap was necesssary !

    Electro makericeng

    Reply 7 months ago

    Because I repaired 20+ led bulb. In all that bulb the electrolytic capacitors was not functioning thanks.