Tips on how to repair electronic devices

Before the repair of electronic devices we must first know the blocks of the parts, it is very important because by knowing the block, we can easily determine and track the defective component, such as how to find a block of television is a machine we must know one of the components from the block, to determine the regulator blocks we see Fuse / transformer on tv machine listed eg F801 (fuse) and T820 (transformer) then all components beginning with the number 8 is part of the regulator, as well as for others eg for transformers T401, all Flayback components beginning with the number 4 is a component of the Horizontal.