This walking cane belongs to my father. He uses that for walking and at night he uses the LED light attached to this walking cane. Recently, the LED light was not coming on for some reason. My father explained that the cane was dropped by one of his grandson; that grandson was my son.

This LED light is operated by a 1.2 volts battery.

While the battery attached, I tested the LED light and it did not come on.

I took the battery out and tested it; it was fine. I had to take all these long screws to get to the main board.

The board looked clean and there were no bad soldering joints. But once I flipped the board to the other side, it was a different story.

I saw this soldered area and it was attached to a coil.

When I checked the connection, it was loose. The coil was so tiny so it can fit inside the cane handle and I had to find another coil to fit in there to solve the issue.

If you compare the sizes of the two coils, they are not the same. So the main issue to make it fit.

It fitted perfectly on the board, but the question is, would it fit when I put everything back together?

I tested the light and it was working fine. Now the challenge begins and I thank God I was able to squeeze it inside the cane handle. It was not easy but I did it.

Light came on and everything fitted perfectly. Mission Accomplished.

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:

https://www.electronicsrepairfaq.com/loading-problem-on-a-dvd-player-repaired-pioneer-dv-535