Due to the rise of DLP projection TV, there are not many maintenance trainings. However, as a TV viewing device, there are many similarities in principle in terms of general TV, but he is more complicated. In the following, I will only make some suggestions on the precautions for maintenance. I am seeing it at the time of repairing. I hope that everyone will correct me and discuss it together.
1. Poor sanitation and ashing environment Do not remove the front cover, lamp cover, rear iron cover, support truss, large refractor, main screen, optical lead main unit, circuit board, rear case. And be sure to keep it clean during maintenance.
2, be cautious, not sloppy, whether it is simple or re-laying, it must be the right to start. Careful reading of the maintenance information is beneficial.
3, because the circuit uses a highly integrated read chip, the price is expensive, the purchase is difficult, the circuit board is mostly multi-board, are using patch components, go to the county fine, and the distance from the chip is small and easy to short circuit.
4, do not arbitrarily replace the gas parts and sockets, easy to make mistakes, damage vitality.
5, the power supply is partially damaged, the original should be replaced according to the original model.
6. In the case of power-on, do not change the switch.
7. Do not touch the body and other parts with your hands and other parts during the maintenance process.
8. When cleaning the optics, blow off the ash with compressed air. Do not use corrosive liquids for testing.
9. Do not withdraw the light machine yourself. Do not use a sharp object to scratch the surface.
If you say something incomplete, please give pointers. I will talk about the repair and judgment of the fault next time.
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