FPC thin film key switch: The U. S. microwave thin film switch start key does not work how to repair
2022-05-24 16:46:40
FPC thin-film key switch: the Microwave thin-film switch of the United States does not work how to fix, leakage is due to the microwave computer board by long-term moisture or water erosion caused, and from the appearance of the Circuit Board is sometimes difficult to determine whether leakage, so if necessary, you can directly use anhydrous alcohol wipe or clean film switch, FPC and computer board, mostly effective. This failure may also be caused by the FPC printed line at the same time several broken lines, but this is basically due to improper maintenance, it is relatively rare. Inspection as long as the naked eye or multimeter measurement, can quickly check the fault, re-welded broken line can, remove the fault. (2) failure of individual key switches on the keyboard. The main cause of the failure is the break line of FPC line or the bad contact of film switch. Can find the corresponding failure of the switch membrane switches, and lines, reference to the above method can be treated after troubleshooting.FPC thin film key switch: Thin Film Key introduction, thin film key is the “Key + film”basic structure, so, the key feel, characteristics and so on depend on the design of thin film key.
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