LED Bulb | Electronics Repair And Technology News

Repaired LED Bulb By Upgrading To DOB

Jestine Yong — Sat, 14 Dec 2024 06:36:16 +0000

I found LED Bulb in my storage area was blinking. So, for inspection I put the bulb on my workbench. Removed top Diffuser plastic dome & found LED Circuit was totally degraded. This Bulb is rated 7W, nothing can be done on this PCB. Last time I ordered few DOB with some other materials I […]

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LED Bulb Repaired

Jestine Yong — Sat, 31 Aug 2024 08:31:03 +0000

Found my workbench LED Bulb not light up. Removed top cover for inspection. On visual inspection I found two LEDs were damaged and top coating chipped out. For further testing I just pulled out the led plate to inspect Driver PCB underneath. Driver circuit seems Ok no physical damage […]

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Saved EVEREADY LED Bulb And LED BATTEN From Dump

Jestine Yong — Sat, 02 Mar 2024 08:11:32 +0000

These lights belong to my house and became defective one day to give me the amusement of fixing these! Case (1) Eveready-H12-20-LED Bulb: This bulb conked off one day and I opened the dome sprinkling IPA on its side and gently prying it open. The LEDs were all burnt. The driver was in bad shape. […]

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Amusing Self-Service Of OSRAM LED Bulb Model R18NBB

Jestine Yong — Fri, 15 Sep 2023 23:09:29 +0000

One day, when I was doing some work in my kitchen very early in the morning, the LED Bulb conked off. As I had another, I carried on, deciding to have a look at it later. It is always amusing when we get a chance to look into something which […]

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LED Bulb Repaired

Jestine Yong — Thu, 16 Sep 2021 12:28:53 +0000

I found few dead LED Bulbs in my Junk Box I have not tested because of busy schedule. Bulb’s domes Opened for visual inspection. All of them are of 7W. Visually tested everything seems fine and there is no damaged /burnt sign found on any LED. As usual first tested Voltages on driver Unit. It […]

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9W LED Bulb Repaired

Jestine Yong — Tue, 09 Feb 2021 07:22:20 +0000

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 […]

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Quick Understanding Of LED Bulb Turning Blue

Jestine Yong — Tue, 13 Sep 2016 01:52:52 +0000

Another LED bulb in my house failed long before I could celebrate my 99th birthday! This was not supposed to happen if we believe the calculations I made in a previous article on this subject and mostly if we believe the 25,000 hours advertised for those lamps… […]

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