INSTRUCTIONS/INSTALLATION  SHEET INCLUDED TV turns on briefly, has no video on screen then shuts off, comes back on, shuts off, repeat.-Takes 10 – 60 seconds to turn on, stays on for a bit and shuts off, comes back on, shuts off.-Red power LED blinks forever, TV doesn't turn on.  SMD component soldering skills are required youre dealing  with two very small components. It is strongly suggested to search the internet to get knowledge of SMD soldering if you are not sure of and want to purchase the kit. Because not all of the boards fail in the same way, we do not guarantee that the components in this kit  is all you need to fix your board but it can take care  90% off all cases.  It's your responsibility to troubleshoot and properly diagnose your board in order to complete the repair. It is important to note that the above described behavior can be caused by a number of very different failures (power supply) and not all of them are related to this kit. RETURNS: There are NO RETURNS on electrical/electronic parts- all sales are final.  Please consider and make your choice wisely before purchasing- or contact us if you  have any questions. DOING YOUR OWN REPAIR WORK: The removal and replacement/installation of electronic components  at the circuit board level is NOT recommended if you are not experienced with electronic  component and circuit board repair. If you are new to this stuff, please take our advice  and leave the work to a qualified expert- you will most likely thank yourself later.  It is VERY easy to cause damage to electrical parts and circuit boards  if repairs are not done with precision, neatness, and accuracy. It is very easy for  one to make problems WORSE than they were before, if one does not know what one is doing,  or does not have adequate experience with these kinds of parts and this kind of work in general.