Just sharing my experience to easy way to find out which Memory Module i.e. RD,SD,DDR, DDR2, DDR3 & DDR4.is using Your Motherboard.
Because some time coding sticker on memory module are confusing to find out the exact type of Module.
One of my frequent customers called me about this welding machine. It was producing a hissing sound while welding. I was not in the shop when he called so I promised to drop by his shop and pick it up on my way to the shop.
It is a Chinese made welding machine and it was a very tiny one. Read More
Opened the TV for visual inspection and found fuse blown off
So first of all I have connected 60W bulb across the fuse terminal for fault finding.
For my curiosity I have decided to open and see inside the PTC thermistor and what are modes of its failure. I took one damaged PTC to check what is exactly in side. This is 3 legs PTC
Inside Look
One of the guys at my Church approached me with a HI Hat controller that was not working very well. It is a foot controller that is attached to an electrical drum set and controllers the Hi sound.
I never worked on such controller before.