This comprehensive service manual for the JVC COLOUR TELEVISION AV-21Y311 provides detailed instructions for servicing and repairing this television model. The manual covers a wide range of topics, including safety precautions, specific service instructions, disassembly procedures, adjustment techniques, and troubleshooting guides. Whether you are a professional technician or a skilled DIY enthusiast, this manual is an invaluable resource for understanding the inner workings of the JVC AV-21Y311 television and effectively addressing any issues that may arise. The manual contains 76 pages of detailed information, making it a complete guide to servicing this model.