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Philips Marathon Outdoor 18W CFL - Repaired at no cost! I had this CFL since June, but never really was able to take it apart in fear of breaking the triple tube inside. While cleaning *once again* my workshop today, I decided to force things and twist the vice handle a couple more turns... and POP! It opened with only one broken clip notch, so pretty much nothing. Upon closer examination, tube filaments were OK, but fuse was open! However I noticed one of the two filtering electrolytic caps was bulged... Considering where the filtering cap is usually located in the circuit, it most likely shorted. I dug in my blown CFL ballast (~ 30) and quickly found a replacement 22uF, 200V cap. I spent little time replacing the cap, however replacing the supply wires going from the base took WAY more time! I had to improvise with whatever could fit in the PCB's holes. Keywords: Lamps

Philips Marathon Outdoor 18W CFL - Repaired at no cost!

I had this CFL since June, but never really was able to take it apart in fear of breaking the triple tube inside. While cleaning *once again* my workshop today, I decided to force things and twist the vice handle a couple more turns... and POP! It opened with only one broken clip notch, so pretty much nothing.

Upon closer examination, tube filaments were OK, but fuse was open! However I noticed one of the two filtering electrolytic caps was bulged... Considering where the filtering cap is usually located in the circuit, it most likely shorted. I dug in my blown CFL ballast (~ 30) and quickly found a replacement 22uF, 200V cap. I spent little time replacing the cap, however replacing the supply wires going from the base took WAY more time! I had to improvise with whatever could fit in the PCB's holes.

100_0428.jpg HPIM0460.JPG HPIM0457.JPG HPIM0344.JPG 100_1009.jpg
File information
Filename:HPIM0457.JPG
Album name:Vince / Collection of fluorescent lamps (CFLs and linear)
Keywords:Lamps
Company and Date Manufactured:Philips | Unknown
Model Number:Marathon Outdoor 18W
Wattage:18W (34,2VA)
Lamp Type:Compact fluorescent
Filesize:727 KiB
Date added:Oct 02, 2011
Dimensions:2592 x 1944 pixels
Displayed:92 times
Color Space:sRGB
Contrast:0
DateTime Original:2011:10:02 15:00:36
Exposure Bias:0 EV
Exposure Mode:0
Exposure Program:Program
Exposure Time:1/60 sec
FNumber:f/3.6
Flash:No Flash
Focal length:7.5 mm
ISO:207
Light Source:Unknown: 0
Make:Hewlett-packard
Max Aperture:f/3
Model:HP DVC V5061u
URL:http://www.galleryoflights.org/mb/gallery/displayimage.php?pid=8650
Favorites:Add to Favorites

Comment 1 to 2 of 2
Page: 1

streetlight98   [Oct 02, 2011 at 09:09 PM]
Great that you could fix it. I don't like how everything is crammed into the base. The parts overheat easier, prone to failiture, and the average homeowner doesn't know how to fix it. I don't know how to fix them either. Neutral I had a GE Helical that wouldn't light. i hit the base on the tile floor and put it back in and it lit. Shocked Something must've been loose. It still works to this day too.
SeanB~1   [Oct 03, 2011 at 06:30 PM]
I used to repair these, when they cost nearly $ 50 in the 1990's. Most of the time all I changed was shorted capacitors, dead bridges and burnt out fusible resistors. Still have one or two around.

Comment 1 to 2 of 2
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