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With the purpose of refining theoretical knowledge, highlighting practical drills, strengthening skill training, and appraising service skills, this book systematically introduces the basic knowledge and skills of white appliance (LCD TV, plasma TV, and set-top box) maintenance. The book first briefly introduces the theoretical basis, components, diagram reading methods, tool disassembly and maintenance ideas of home appliance maintenance, and then introduces the structural principles and troubleshooting skills of LCD color TVs, plasma color TVs, and set-top boxes by category. It not only provides basic training on the prerequisites for service and maintenance, but also provides specific maintenance operation skills for classified electrical appliances.