The LCD TV mainly consists of five functional modules, including：Power board, TV motherboard, logic board, backlight module and screen.
he machine is a three-board type. The main board, the power board, and the backlight board are independent small boards. When the power is turned on, the power has a low-level signal (the motherboard is low-level boot), and the momentary protection is turned off. After the fault occurs, check that all the supply voltages are normal, and the fault can be determined as a backlight or a motherboard.
The V56 LED universal motherboard has stable performance, perfect picture and convenient modification.It has become one of the indispensable accessories for today's maintenance personnel.
In the last article, we have learned about the four common failure analysis of fully automatic washing machines. Today Alice will analyze the remaining five common faults for everyone. I hope that this article can help you when repairing the washing machine. If you have something want to know, please leave a message.
When repairing a fully automatic washing machine, there are many types of faults encountered. This article will analyze the nine major failures of automatic washing machines.
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Samsung is officially set to unveil its 2018 range of 4K, HDR ‘QLED’ TVs (sets that use Samsung’s metal-clad Quantum Dot technology) at the American Stock Exchange on March 7th.