The provided information describes a service manual for a Samsung LE55A956D1M television, not a vehicle. There seems to be a misunderstanding in the provided details. Automobiles, trucks, SUVs, and motorcycles do not have service manuals with product names like "Samsung LE55A956D1M." Therefore, I cannot provide a description of a vehicle based on the given data.

The Samsung LE55A956D1M is likely a model number for a flat-screen television manufactured by Samsung. The service manual would contain detailed technical information about its components, disassembly procedures, troubleshooting guides, and wiring diagrams. It's designed for technicians and repair specialists to diagnose and fix issues with the television. Its content would include information about the specific features and functions of the LE55A956D1M model, such as its panel type, resolution, input/output ports, and internal circuitry. It might also cover aspects like power supply, backlight, image processing, and audio system, as well as specific troubleshooting procedures for common malfunctions.