Fiber laser marking cards | small family laser (certified) | houjie laser marking card provided by the City Laser Equipment Co., a small family. Dongguan small family Laser Equipment Co., Ltd. (www.laser6000.com) is specialized in the "laser marking machine, laser cutting machine, laser marking machine parts, laser repair, laser inflatable" business, the company adhering to the "honesty, hard service "concept, to provide you with the highest quality products and services. Welcome to inquire! Contact: Xiongjin Wen. Dongguan small family Laser Equipment Co., teach you how to repair the laser power laser power supply repair knowledge Editing 1. Before servicing should check whether the properly grounded power supply housing; 2. Measure the power supply box shell console or bench between the presence or absence voltage difference; 3. Power input aviation plug can not be inserted the wrong (old power or control box may appear like aviation plug, its function is not the same, inserted the wrong aviation plug may cause internal control board burn or explode inside the device); 4. box with multiple high voltage after power-on, the hand can not touch the metal parts of the device; 5. measuring instruments (such as multimeters, oscilloscopes, etc.) meter pen tools (such as pliers, etc.) should be checked insulation is intact; 6. When measuring the voltage Han's Laser marking card repair, to confirm whether the voltage profile position. To confirm instrumentation range should be greater than the voltage test points; 7. Before the power, you should check whether the load is connected or polarity is correct; 8. Before replacing the power supply inside the device, turn off the power should reserve able to completely discharge the capacitor positive and negative (using 100Ω50W power resistor) and confirmed that no voltage, replace or repair the next voltage profile. 9. When replacing the power supply inside the box or master device can make a mark in order to be able to replace the wiring is correct. Especially those with large current polarity devices or power devices with particular note. Otherwise it will burn out the device directly, severe cases may explode; Dongguan small family Laser Equipment Co. offers a variety of laser repair laser marking cards, inflated. Pledge: We always welcome you to come visit our company! 1, according to your needs to provide you with any technical and price aspects of consulting and product information sent by e-mail or mail samples and related information to you, if you have any questions at any time by phone or E-mail communication. 2, any one of a small family of laser products purchased by the customer will be free one year warranty and can be life-long maintenance. Equipment failure during the warranty period and parts damage (except human factors and force majeure) gold orange laser marking card for free repair my company free of charge, to be with the change of accessories provided free by the company (excluding consumable items). After the warranty period, only charge the actual cost of maintenance fee for maintenance. 3, a small family of laser for all users to visit each year, and stands ready to provide technical support services. 4, either new customers or existing customers, regardless of the size of laser marking card repair, we are all treated equally, all everyone is equal. 5, I guarantee strict accordance with the provisions of the contract quality, quantity, at the completion of each job security, and provide customers with a variety of services, such as security knowledge to explain, equipment installation, equipment training and other services. 6, from the date of purchase, the customer may at any time to the company to participate in various technical training courses free of charge. 7, service response time: When I received the phone user repair, sales engineers within two hours there is a clear answer service, where there is the users themselves can not solve the problem of equipment, our company will arrange sales engineers arrive within 24-48 hours Equipment scene to solve the problem, 300 kilometers outside of 72 hours to arrive.