Power Supply For A Pool Lights Repaired
My brother brought me this power supply for repair. It was a power supply for lights in his swimming pool. He has a villa for rent and in this villa he has a big swimming pool with lights built in. He also explained that an electrician was working in this villa that caused damage to this power supply.
It is a cheap power supply but he could not find a replacement for it due to lock down
in our area so he asked me to take a look and see if it can be fixed.
The fuse was intact but the power light at the output side was not coming on. There was power reaching the main capacitor but beyond that point there was no voltage readings whatsoever.
As I scanned the area with my naked eye I could see a break in the trace next to this big diode in the secondary section of the power supply.
It is a little bit out of focus but it is a high speed rectifier and it was shorted on one side of it. I fixed the broken trace and then replaced it with a different part number but again I forgot to take a photo of it (my son keeps reminding me that I need B12 and I always laugh when I hear his words.)
Anyway, the shorted part was replaced, added thermal past to its heat sink and then powered on the device with a current limiter attached.
The Led light came on and the light bulb on the current limiter was dim which indications of a working power supply.
This article was prepared for you by Waleed Rishmawi, one of our ‘Master Authors’ and currently working in the Bethlehem area of Palestine repairing electrical and electronic equipment.
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Note: You can check his previous repair articles in the link below: