This comprehensive service manual provides detailed technical repair information for the JVC AV 20421 Color Television. It is designed to assist technicians in rebuilding or maintaining this model. The manual offers step-by-step instructions, diagrams, and troubleshooting guides, covering a wide range of technical aspects, including component identification, circuit analysis, and repair procedures. It is a complete resource, similar to the CD-ROM manuals used by professionals, meticulously crafted to empower individuals with the knowledge and tools needed to effectively diagnose and repair their JVC AV 20421 Color Television.