Nanning Samsung TV after-sales repair service (Clear v Vision)

Nanning Samsung TV after-sales phone number: --(Nanning Office)
Maintenance service items: Professional repair of LCD TV with black screen, indicator light off, no image, no sound, sound but no picture, etc.
Maintenance service area: Nanning city
Repair scope: LCD TV, plasma TV and picture tube TV (old-fashioned TV)
TV is an essential household appliance for our daily leisure and entertainment, but with the use of the TV for a long time, it will inevitably appear Some fault problems
Nanning Samsung TV Repair Center has been trusted by the majority of TV customers for many years based on the concept of serving the people
Nanning Samsung TV Repair Center is committed to developing business in Nanning on the Internet.
Do a good job in daily life logistics for the residents of our city, quickly solve your most practical problems, and strive to contribute to the construction of a harmonious Nanning!
Due to the lack of comprehensive after-sales service capabilities of home appliance manufacturers, it is extremely inconvenient to repair and transport home appliances during the peak period of popularity of home appliances in our country.
Door-to-door repair of home appliances has developed into a new and fast way.
As long as you make a phone call, our company will serve you wholeheartedly as soon as possible!
Nanning Samsung TV repair hourly service phone number:
TV repair technical guidance on the composition and function of LCD TV logic circuit boards
The composition of logic circuit boards. Logic circuit board is referred to as logic board and is also called control board.
The logic board in the LCD display is essentially different from the final video signal amplification circuit board of an ordinary color TV.
The logic board is not a pure signal amplifier but a dedicated module circuit with a built-in shift register (horizontal and vertical shift).
The logic board has its own software and working procedures.
The role of the logic board.
Power supply for logic circuit boards. The operating voltage of the logic board on the LCD display is not directly provided by the switching power supply. It is usually provided by the relevant voltage stabilizing circuit on the signal processing board.
Nanning Samsung TV after-sales phone number