Did the electrician call home to repair the circuit?

There is no fixed telephone, but you can try calling 1 14 to check the local maintenance telephone number.

Circuit board maintenance, also known as chip maintenance technology, is a professional technology to complete circuit board detection, component detection, fault diagnosis and maintenance without drawings.

Circuit board maintenance is widely applicable to any equipment board. At present, it is affected by factors such as technology, cost and market demand. Circuit board maintenance mainly refers to the chip-level maintenance of advanced products, including touch screen maintenance, instrument maintenance, server maintenance, industrial computer maintenance, CMM maintenance, injection molding machine circuit board maintenance, embroidery machine circuit board maintenance, cpu board maintenance, industrial control products and so on. Among them, the maintenance technology of circuit board without drawing advocated by Shenzhen Yuanfa Industrial Control Maintenance Co., Ltd. is a relatively scientific technical index recognized by the industry at present.

Circuit board maintenance, also known as chip maintenance technology, is a professional technology to complete circuit board detection, component detection, fault diagnosis and maintenance without drawings.

Circuit board maintenance is widely applicable to any equipment board. At present, it is affected by factors such as technology, cost and market demand. Circuit board maintenance mainly refers to the chip-level maintenance of advanced products, including touch screen maintenance, instrument maintenance, server maintenance, industrial computer maintenance, CMM maintenance, injection molding machine circuit board maintenance, embroidery machine circuit board maintenance, cpu board maintenance, industrial control products and so on.

Tools for circuit board maintenance include general tools and professional tools. General tools include multimeter, oscilloscope, electric soldering iron, hot air gun, BGA welding table, circuit board detector and other tools. The professional tool is mainly Hui Neng Circuit Board Maintenance Tester.