| 摘要 |
PROBLEM TO BE SOLVED: To previously shut off a circuit defect, to improve the workability during testing or repairing and to make a module connector of a PCB easily usable by improving a protective cover for liquid crystal display device. SOLUTION: The protective cover for liquid crystal display device which is provided with a circuit for driving a display module, a module connector connected with a board connector of a system and the PCB mounted with a variable resistor to optimize oscillation by regulating a common voltage (Vcom) at the rear surface of the display module and is covered with the protective cover on the top surface of the PCB and which protective cover is provided with an opening/closing structure in the segment of the protective cover where the variable resistor exists so as to make the regulation of the common voltage possible without removing the entire part of the protective cover is provided.
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