This comprehensive service manual for the JVC COLOUR TELEVISION AV-28NT4 provides detailed instructions and guidance for technicians and repair professionals. The manual covers a range of essential topics, enabling users to effectively troubleshoot and repair this model. The manual starts with important safety precautions that should be followed during any service work. It then delves into specific service instructions, covering various aspects of the television's functionality. The manual elaborates on the disassembly process, detailing the steps involved in taking apart the unit for repair or maintenance. Additionally, it provides a dedicated section on adjustments, allowing technicians to fine-tune the television's settings to optimal performance. Finally, the manual features a comprehensive troubleshooting guide, offering step-by-step instructions to diagnose and resolve common issues that may arise. With its detailed instructions and clear illustrations, this service manual is an indispensable resource for anyone working on the JVC COLOUR TELEVISION AV-28NT4.