15W Compact Fluorescent Lamp (CFL) Bulb Repaired

By on April 24, 2014
cfl-bulbrepair

 

 

 

 

 

 

Problem: CFL bulb not glowing full way.

While salvaging old parts I have found one CFLBULB in my electronic scrap box. Just opened to see to fulfill my curiosity that is it repairable? While turning On the Bulb I found bulb is glowing halfway.

cfl bulb repair

Then I started fault finding and found nothing physically damaged. After that I checked the parts one by one out of the circuit.

 

I found one High value Capacitor shorted ( Marked As 272J 1200V) which is connected in between the filament connection as marked in the below schematic diagram.

cfl bulb repairs

cfl bulb repairing

I replaced the capacitor and put “ON” the bulb and there was glow on my face yes bulb was working fine.

cfl bulb repairings

You can check on another similar article on this link cfl bulb repair

This article was prepared for you by Yogesh Panchal who works as a Computer Hardware Engineer in Mumbai India.

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One Comment

  1. manu

    April 19, 2017 at 8:06 pm

    thanks a lot for this article! it realy helps me a lot to repair one which had the same problem at my engineering workbench.

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