Maintenance liquid crystal and notebook, met screen dark see only a little bit of shadow or high voltage protection, we difficult judgment is tube or high pressure plate question! Have this set of tools can easy to determine the fault! This suite attached a small turn big tieline, 1 4 light small mouth turn at tieline and two small mouth extension cord, so no matter the LCD panel is big or small mouth, or 4 lamp big, can easily test! Crocodile clip can test no welding wire tube.

it is a suite directly connected to the 12 v supply to the monitor, you can at the same time light two below 32 inches (not including 32 inches) of the tube.