Early this morning, my friend called me a phone call and said, "I accidentally smashed a TV set at home last night." Asking me to help me with repairs, I promised his request. At 9 o'clock in the morning, sure enough, he took a (CURIS) 32-inch LCD TV to my store, model: LCD3235A, the origin is "MADEINCHINA", I will power on the test machine, the result is not lit And the screen has a slight impact on the traumatic traces, I rely on friends to exchange feelings, I will take the TV. I said that you will come to pick up the plane tomorrow, so he left my store, so I quickly removed the back cover of the TV, carefully checked the structure of the machine and the type of machine parts, and tested the power board offline. As a result, it was found that the power supply board was broken (the power supply high-voltage integrated board), and at the same time, the backlight tube was detected to be lit, and three light tubes were not lit. In this regard, I realized that I had to replace the backlight tube, so I envisioned an overall repair solution. Tian’s backlight used in the machine was EEFL. The driving method was to use a high-voltage transformer to drive all the lamps in parallel. This machine is also powered by a high-voltage integrated power supply board (a high-voltage transformer), and, I have no such accessories, so I will count on the plan, decided to carry out major surgery on the machine "backlight conversion replacement", will The EEFL tube is used as a CCFL tube, and the CCFL tube uses a plurality of high-pressure transformer drives to illuminate a plurality of lamps. Therefore, the machine needs to attach a high-voltage strip (light board), because it is changed here, it is changed, and the backlight structure is equivalent to reborn. Let's talk about the replacement of the screen, it's a coincidence, there is also a stock (disassembled). In this way, the accessories required for this machine are all available, and everything is ready, only owing to the wind. Due to the implementation of this project, there are too many martial arts. Below I use pictures to record the operation of the homework and share it with my colleagues. In particular, the job of changing screens needs to be bold and careful. However, the fools are in zero mistakes in all of the previous assignments. Thank you! !
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