User manual YAMAHA T5N/T4N/T3N ANNEXE 1

[. . . ] Owner’s Manual Bedienungsanleitung Mode d’emploi Manual de instrucciones EN DE FR ES ZH JA FCC INFORMATION (U. S. A. ) 1. IMPORTANT NOTICE: DO NOT MODIFY THIS UNIT! This product, when installed as indicated in the instructions contained in this manual, meets FCC requirements. Modifications not expressly approved by Yamaha may void your authority, granted by the FCC, to use the product. IMPORTANT: When connecting this product to accessories and/or another product use only high quality shielded cables. [. . . ] • PROTECTION indicator that shows the state of various protection systems (power On/Off detection, output protection, DC detection), a TEMP indicator that indicates heat sink overheating, and a POWER/STANBY indicator that indicates the power status are provided. • Variable-speed low-noise fans ensure high reliability. • The T5n enables parallel connection of multiple high-impedance speakers that support 100 V line output. • The T3n enables parallel connection of multiple high-impedance speakers that support 70 V line output. • An optional external amp control device, such as the ACD1 or ACU16-C, enables you to monitor or control the amplifier via a network. For the latest information about amp control units, please visit our website: http://www. yamahaproaudio. com/ This Owner’s Manual applies to the three models: T5n, T4n and T3n power amplifiers. Please read through this manual carefully before beginning use, so that you will be able to take full advantage of your power amp’s superlative features and enjoy trouble-free operation for years to come. Accessories Owner’s Manual Two handles Four flat-head screws Two Euroblock connectors Index Controls and Functions. . . . . . . . . . . . . . . . . . . . . . . . . . . . 6 Front Panel . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6 Rear Panel . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7 Speaker Connections . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8 STEREO Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8 PARALLEL Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8 BRIDGE Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9 Wiring. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9 Using a Euroblock connector . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9 Speaker Connection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10 Filter Element Cleaning . . . . . . . . . . . . . . . . . . . . . . . . . . 11 Troubleshooting. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11 Specifications. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12 Block Diagram. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 71 Dimensions. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 72 Performance Graph . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [. . . ] The PC limiter circuit operates to Use a speaker system with an protect the power transistors. impedance of at least 2 ohms (STEREO/PARALLEL mode) or 4 ohms (BRIDGE mode). Check the ventilation slots and clean the filter elements to provide better airflow around the amplifier. Check the amplifier ventilation conditions and take appropriate measures to improve the airflow around the amplifier. [. . . ]