I recently purchased a house and installed for pool lighting was a Savi Melody LED light, as it turns out. I say as it turns out because I had no knowledge of the pool light other than it is LED which is good. that is until I was showing my father my pool light one evening, then the next evening the pool light doesn't seem to come to life with its normal intensity, it just seems to emit a small red dot where the pool light normally glows from. I am a electrical guru so I goto work troubleshooting. my transformer is putting out nice 12V ac. so I pull the LED housing up onto the pool deck and find that it has a repaceable cartridge. I contact the pool store and ask if there is any warenty or anything from the previous owner to which they say call the light manufacture. The next day I call SAVI and ask about the warranty (my pool isn't very old) they explain that the warranty isn't transferable so it's a nogo. So I order a new cartridge ($275), Savi Melody (P Series) to replace the "P" series that was removed. I installed the new cartridge into the housing and seal when it arrived, per the instructions, power it and the new cartridge works great.
So being a tinkerer that I am I decide to try to repair the broken light even though I have already resolved the problem. I inspect the circuit board and determine the only things I recognize on the board are capacitors. I go onto Digikey's website and within a few mins I have spent $10 and have a few of each of the caps on their way. When the caps show up in the mail, I go into repair mode and within 5 mins I have the light cartridge put back together. I took the rebuilt cartridge out to my transformer with some alligator clips, connect it to power and it comes alive with no discrepancies.
If you are handy and the cartridge doesn't have any water damage, it may be worth a few mins with a soldering iron to replace the caps, it would have saved me $265.
Oh well...