The HARMAN KARDON PM665Vxi Service Technical Manual is a comprehensive guide designed to provide detailed information and instructions for servicing and maintaining the PM665Vxi integrated amplifier.

It typically includes a variety of sections covering different aspects of the amplifier's functionality, construction, and troubleshooting. These sections may include:

1. **Introduction**: This section gives an overview of the amplifier, its features, and specifications.

2. **Technical Specifications**: Detailed specifications such as power output, frequency response, total harmonic distortion, signal-to-noise ratio, etc., are listed in this section.

3. **Operating Instructions**: This part provides step-by-step guidance on how to operate the amplifier correctly, including connecting various audio sources, adjusting settings, and using different features.

4. **Service Procedures**: This is the heart of the manual, containing detailed instructions for diagnosing and repairing common issues that may arise with the amplifier. It includes circuit diagrams, schematic diagrams, board layouts, and component lists to aid in troubleshooting and repair.

5. **Maintenance Tips**: This section offers advice on regular maintenance tasks to keep the amplifier in optimal condition, such as cleaning, inspection, and preventive measures.

6. **Troubleshooting Guide**: A comprehensive troubleshooting guide lists common problems, symptoms, and possible causes, along with suggested solutions to help technicians quickly identify and resolve issues.

7. **Safety Precautions**: This part emphasizes safety measures and precautions that technicians should follow while servicing the amplifier to prevent accidents or damage.

8. **Parts List**: A detailed list of all the components used in the amplifier, including part numbers and descriptions, is provided to assist with ordering replacement parts.

9. **Appendices**: Additional reference materials, such as technical notes, calibration procedures, and recommended tools, may be included in the appendices.

Overall, the HARMAN KARDON PM665Vxi Service Technical Manual serves as an essential resource for technicians and audio enthusiasts, providing the necessary information and guidance to ensure the proper functioning and maintenance of the amplifier.