User manual MARANTZ MM7055

[. . . ] install in accordance with the manufacturer’s instructions. Do not install near any heat sources such as radiators, heat registers, stoves, or other apparatus (including amplifiers) that produce heat. Do not defeat the safety purpose of the polarized or grounding-type plug. A polarized plug has two blades with one wider than the other. [. . . ] Improved instant power supply capability The final stage of the power amp is equipped with the same LAPT (high efficiency power transistor) that is installed in the SM-11S1 Marantz Hi-Fi power amp, providing improved instant power supply capability. The power section is equipped with a large-sized transformer. As one of the essential parts of the power section, this unit is equipped with Marantz original 33, 000 μF / 71 V×2 (MM7055), and 15, 000 μF / 71 V×2 (MM7025) block condensers, which have been repeatedly tested for sound quality. These improvements to the power supply capability provide a powerful, presence-filled sound. Other Functions Equipped with IR flash input that supports custom installations, and DC trigger input and output terminals. High sound quality design based on pure surround philosophy Equipped with a chimney-shaped heat sink to efficiently process the heat emitted from each channel amp , and exceptionally quiet cooling fans. A high-sensitivity temperature sensor IC is used to control the cooling fans, adjusting the rotation speed to match the amount of heat generated by the amp. These components provide the sound quality and low-noise you would expect at a high-end theater. In addition, this unit is designed for superb quality sound, and is equipped with high quality components such as a high-end audio condenser and film condenser throughout. Indd 2 2010/07/29 20:55:44 ENGLISH Part names Front panel For buttons not explained here, see the page indicated in parentheses ( ). Getting started Rear panel See the page indicated in parentheses ( ). (9) • Press this button to turn the illumination lamp ON/OFF. € You can set the auto standby function by pressing and holding this button for more than 5 seconds. Indd 3 2010/07/29 20:55:45 ENGLISH Connections NOTE • Do not plug in the power cord until all connections have been completed. € When making connections, also refer to the operating instructions of the other components being connected. € Check the channel, and then connect correctly. € Do not bundle power cords together with connection cables. N XLR connector PIN arrangement The PIN arrangement in this device uses the European method. in the USA method , w is COLD , and e is HOT. When connecting a device that utilizes the USA type of PIN arrangement, replace the w and e plugs on one side of the balanced cable. NOTE Do not short the HOT and GND or COLD and GND for use. Preparations Cables used for connections Prepare the correct cables for use with the additional devices. [. . . ] In this case, disconnect the power immediately and contact your store of purchase. Symptom Cause/Solution Page 7 7, 10 The power does not switch on. € Check that the power plug is inserted correctly in the wall socket. Or, the power switches off immediately after • The protective circuit has operated. [. . . ]