This comprehensive service manual provides detailed instructions and technical specifications for servicing a wide range of NEC LCD projectors. It covers models including the VT37, VT47, VT470, VT570, VT575, VT670, VT676, VT37G, VT47G, VT470G, VT570G, VT575G, VT670G, VT676G, VT47J, VT470J, VT470JY, VT670J, VT676J, VT47+, VT470+, VT670+, VT675+, and VT676+. Inside this manual, you will find detailed schematics, component diagrams, troubleshooting guides, repair procedures, and parts lists. The manual is written in clear and concise English, making it easy to understand and follow. This service manual is an essential resource for technicians and engineers who need to repair and maintain these NEC LCD projectors.

The NEC VT37/VT47/VT470/VT570/VT575/VT670/VT676 series of LCD projectors represent a range of high-performance projection devices aimed at various applications. These models boast a diverse array of features tailored for both professional and consumer use. The VT37 and VT47 models are likely entry-level projectors, focusing on basic functionality and affordability. The VT470, VT570, VT575, and VT670 models progressively increase in features and capabilities, catering to higher-end needs such as presentations, education, or home theater entertainment. The "G" suffix signifies models equipped with additional graphics features, while the "J" suffix indicates models with specific features for Japanese markets. The "+" suffix might denote enhanced brightness or other performance improvements. The service manual for these projectors is an invaluable resource for technicians and repair professionals. It provides detailed information about the internal workings of the projector, including its electrical circuits, optical system, and mechanical components. The manual contains schematics, wiring diagrams, troubleshooting guides, and step-by-step repair procedures. It also features component specifications, parts identification, and safety precautions, ensuring professionals can properly diagnose and repair any issues with these projectors. This comprehensive document is essential for maintaining the functionality and longevity of these NEC LCD projectors, enabling them to deliver high-quality projections for extended periods.