9W LED Bulb Repaired
In our house in the night time I am using this 9W led Bulb for reading purpose. Once I have light up the Bulb it lit up for half an hour and suddenly it starts Flickering so I removed the bulb and kept it aside for repair.
After few days I checked the bulb by powering but it start flickering and goes off. So now it is time for operation……………….
First I have remover plastic dome from the top after removing dome I have removed two screws and desoldered two wires from the PCB.
On PCB I didn’t find any physical damage.
Now I pulled out the PCB after desoldering and clearing Solder from the holder cap.
Pulled out the PCB. Component side No physical damage found. On solder side I Found some dry solder.
I renewed solder joint and applied Power.
Kept bulb outer casing on the led PCB so that LED on illumining light intensity is not strain the eyes and photo also look clear.
It works fine without flickering. Now bulb is ready for burn in test ( Continuous everyday Operating). Now 15 days Still working without problem.
This article was prepared for you by Yogesh Panchal who works as a Computer Hardware Engineer in Mumbai India.
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Note: You can check his previous repair articles in the link below:
https://jestineyong.com/dell-laptop-misbehavior-on-booting-repaired/
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Waleed Rishmawi
February 9, 2021 at 4:17 pm
yep, dry joints do that kind of fault. I have the same kind of LED light but suddenly it went dead. I noticed some burnt LED lights on that board but I did not bother because they are too cheap..if it was soldering joints issue I would have done it right away. thanks for sharing and have a blessed day
Yogesh Panchal
February 12, 2021 at 3:27 pm
Waleed,
Thanks!LED Bulbs are easy to fix...
Dry solder because of using cheap quality solder wire and flux.
Parasuraman S
February 9, 2021 at 8:45 pm
Good job!
Yogesh Panchal
February 12, 2021 at 3:28 pm
Thank you! Sir.
Albert van Bemmelen
February 9, 2021 at 9:00 pm
Good to see that they do make LED light bulbs that are still easy fixable. I always wonder why they solder the AC power input lines Neutral and Phase way too close to each other on pcb boards on power adapters and those LED Fluorescent (TL) lights. Which is dangerous and mostly China made and not conform any safety regulation!
Yogesh Panchal
February 12, 2021 at 3:29 pm
Albert,
Yest still this products are available in the market & selling like Hot Wafers.....
Humberto
February 15, 2021 at 10:59 am
Good repair.
Yogesh Panchal
February 16, 2021 at 6:13 pm
Thanks! Humberto
John Czerwinski
February 16, 2021 at 7:31 pm
I have found two LED light-bulbs doing the same thing. How did you remove the plastic dome without damage and re-installing it after the repair?
Yogesh Panchal
February 19, 2021 at 12:34 am
Hi John,
Most of domes are easily come off by twisting clock wise and anti clock wise or you can try to open it using knife with proper care "Do not use flat screw driver it easily get slip over dome and it may harm you" or just use petrol or gasoline using medical syringe needle and apply gently on the edge of DOME.following link may help you.......Just let me know.
https://www.youtube.com/watch?v=8K4iXpSnMDg
stanford Mtenje
March 19, 2021 at 5:53 pm
These i know how to repair, i tried several times and it was successful.