Autopsy of a dead LED lamp from a Japanese sign.

I was sent a couple of these lamps by someone who spends time working in both the UK and Japan doing repairs to municipal and signage lighting. He's had a number of new lamps fail shortly after being installed and wondered what the cause was.

If you enjoy these videos you can help support the channel with a dollar for coffee, cookies and random gadgets for disassembly at:-
http://www.bigclive.com/coffee.htm
This also keeps the channel independent of YouTube's advertising algorithms allowing it to be a bit more dangerous and naughty.