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Samsung Syncmaster 226bw capacitors blown - Page 2

post #11 of 13
The best idea I'm inclined to suggest is from my previous post:
Quote:
Originally Posted by Fir3Chi3f View Post

Originals:
All CapXon GL

47uF 50v 11x6.3mm Ripple: 240-250 ESR: 0.44-0.65
680uF 25v 16x10mm Ripple: 920 ESR: 0.074
330uF 25v 13x10mm Ripple: ~722 ESR: ~0.095 (My own guessdimasion)
820uF 25v 10x20mm Ripple: 1280 ESR: ~0.052 (If I understood PCBONEZ correctly)

Replacements:

Rubycon 33uF 35V 5mm ZL Series Ripple: 250 ESR: 0.30
Samxon 470uF 25v 10mm GT Series Ripple: 1050 ESR: 0.069
Rubycon 220uF 25v 8mm ZLG Series Ripple: 1000 ESR: 0.036
Rubycon 680uF 16v 8mm ZL Series Ripple: 1250 ESR: 0.041

It is completely possible for there to be something else wrong, but this is the only one I have any confidence in. Else I would suggest working through the resistors, diodes and other components checking that they are all still in spec. Diodes have shown external failure in my experience but I imagine it is still possible for them to fail without warning.

edit: Do let us know if you get it working and what you've checked and tried. It can help out someone else with the same issue.
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Neckpain
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post #12 of 13
Thread Starter 
ya i dont think im gonna drop anymore money into it i dont have alot, thanks for trying to help me tho
post #13 of 13
Repairing anything electronic based on just what you see defective with your eyes is really not how it is done. You must combine an understanding of just what these capacitors are doing,what could cause them to "pop" and then measure values indicated on the schematic to see if the problem is eliminated. There is a lot more to being a component level technican (which is what you are trying to be) than good soldering skills.
Edited by PCCstudent - 12/17/11 at 1:45pm
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