This comprehensive service manual provides detailed instructions for the JVC AV-28R57SK, AV-28R57SK/P, AV-32R57SK, and AV-32R57SK/P colour televisions. It covers essential service procedures, ensuring technicians can effectively diagnose and repair these models. The manual begins with important safety precautions, guiding technicians through the proper handling and maintenance of the television. It then delves into specific service instructions, offering step-by-step procedures for various tasks. The manual also includes detailed instructions for disassembling the television, allowing technicians to access internal components for repair and replacement. Comprehensive adjustment procedures are provided, enabling technicians to fine-tune the television's performance and ensure optimal picture quality. A thorough troubleshooting section is included, offering guidance on diagnosing and resolving common issues. With its detailed instructions and comprehensive troubleshooting guide, this manual empowers technicians to perform accurate and efficient repairs, extending the life of these JVC colour televisions.