DIY CIRCUITS ELECTRONICS

another common fault in many lcd tv sets.this one is for the samsung LE20S81BX/XEH but this kind of failure you will find it in other models and brands too. in this video im showing you how i fixed this tv and how to remove and replace bad components. if you liked this video or helped you consider making a donation (any amount) to help the channel grow.

today im showing you how i usually disassemble a laptop battery pack to harvest or salvage the 18650 li ion batteries that are inside.also you must measure the voltage of each battery to get an idea if the battery you salvaged is in good condition, although further tests should be done to determine that. most of the times if a battery is discharged below a point,usually 2.5v is the lower limit in some batteries then it will probably be damaged. this way i have always batteries to use in various electronics projects. please be extra carefull when ''playing'' with li-ion or li-polymer batteries beacuse they might overheat or explode if shorted,puntured e.t.c. also use gloves if you see signs of leakage. if you liked this video and helped you consider making a donation (any amount) to help the channel grow.

  new type lg tv led bars - repair - comparison with older ones. in this video im sharing a new kind-type of led bars i found in a tv set brought for repair. the reason for posting this video is that its the first time i see led bars-arrays with large oval diffusers instead of the commonly cyclic. also the new ones (original) had bigger aluminum pcb obviously for better heat dissipation. in this case the symptoms were: blue spots in various areas of the screen , and in some other cases completely blue-purple picture. ------------------------------------------------------------------- if you liked this video and helped you consider making a donation (any amount) to help the channel grow. https://paypal.me/e4all?locale.x=en_US