This is the official Marantz AV7701 Audio/Video Preamplifier service and repair manual. It contains all necessary technical information for servicing and repairing your Preamplifier. This comprehensive guide includes safety precautions, installation instructions, test and service modes, diagnostic and troubleshooting procedures, disassembly and assembly instructions, adjustment and firmware update procedures, as well as diagrams and exploded views for easy reference. The manual is available in high resolution format and is not a scanned, blurry copy. It includes 266 pages and is written in English. Get instant access after payment to start your repairs in a matter of minutes. This manual is used by all official Marantz technicians and maintenance employees.