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Summary of Contents for Yamaha MX-D1 - Amplifier
- Page 1 STEREO POWER AMPLIFIER OWNER’S MANUAL...
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Page 2: Important Safety Instructions
IMPORTANT SAFETY INSTRUCTIONS Read these instructions. CAUTION Keep these instructions. Heed all warnings. RISK OF ELECTRIC SHOCK DO NOT OPEN Follow all instructions. Do not use this apparatus near water. CAUTION: TO REDUCE THE RISK OF ELECTRIC SHOCK, DO NOT REMOVE Clean only with dry cloth. - Page 3 One that lets the sound come through loud and clear without annoying blaring or distortion – and, most importantly, without affecting your sensitive hearing. Since hearing damage from loud sounds is often undetectable until it is too late, YAMAHA and the Electronic Industries Association’s Consumer Electronics Group recommend you to avoid prolonged exposure from excessive volume levels.
- Page 4 This Class B digital apparatus complies with Canadian ICES-003. wall outlet during an electrical storm. • Do not attempt to modify or fix this unit. Contact qualified YAMAHA service personnel when any service is needed. The cabinet should never be opened for any reasons.
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Page 5: Table Of Contents
• 500 W + 500 W max. (4 to 8 Ω) high-power, high-performance digital stereo power amp • 120 dB dynamic range • Yamaha-designed LSI chips used in the digital-modulation and power-drive circuits • Active Power Control System ensures optimum performance under any load (4 to 8 Ω) •... -
Page 6: Controls And Functions
CONTROLS AND FUNCTIONS Front Panel Rear Panel This mark indicates a dangerous electrically live terminal. When connecting to this terminal, it is necessary either to have “a person who have received appropriate guidance on handling” make the connection or to use a cable that have been manufactured in such a way that the connection can be made simply and without problem. -
Page 7: Mute Button
1 STANDBY/ON switch/indicator This switch is used to set the MX-D1 to on or standby. A small amount of power is used in standby mode. When the MX-D1 is turned on, this indicator lights blue and the MX-D1 is ready for use. If a fault is detected, the MX-D1's protection system activates and this indicator lights red. -
Page 8: Connections
CONNECTIONS Pre-amplifier CD player with a volume control PA equipment Balanced XLR output To AC outlet Audio output YPC-1 Speaker (R) Speaker (L) CD player etc. Tape deck etc. Tuner... -
Page 9: Connecting Your Speakers
Connecting Your Speakers Speaker cables typically consist of two insulated conductors. To ensure that the speakers are connected with the correct polarity (+/-), the insulation on one of the conductors is a different color or is marked with a line. Preparing the speaker cables 1. -
Page 10: Block Diagrams
BLOCK DIAGRAMS The MX-D1 is a high-power, high-performance PWM (Pulse Width Modulation) digital stereo power amp, utilizing Yamaha's latest digital power amplifier and switching power supply technologies. The following block diagrams show the amplifier and power supply circuits. Amplifier Block Diagram YDA134 2.8 MHz... - Page 11 MX-D1 a superb high-performance power amp. In addition, the Yamaha high-performance, high-speed analog and digital LSI chips are designed to optimize the performance of the modulator and MOSFET drive circuits that form the heart of the MX-D1.
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Page 12: Troubleshooting
If your MX-D1 does not appear to be working properly, look up the symptoms in the following table. If the symptoms per- sist, or are not listed, set the MX-D1 to standby mode, disconnect the AC power cable from the AC outlet, and then contact the nearest Yamaha dealer. Symptom... -
Page 13: Specifications
SPECIFICATIONS Maximum output...... 500 W + 500 W (4 to 8 Ω) Output ......SEPP (Single-Ended Push-Pull) Dynamic power..... 1000 W + 1000 W (4 to 8 Ω) Power source..Resonant-type switching power supply Damping factor..........or more 200 (frequency: 88 kHz) Total harmonic distortion.... - Page 14 YAMAHA ELECTRONIQUE FRANCE S.A. RUE AMBROISE CROIZAT BP70 CROISSY-BEAUBOURG 77312 MARNE-LA-VALLEE CEDEX02, FRANCE YAMAHA ELECTRONICS (UK) LTD. YAMAHA HOUSE, 200 RICKMANSWORTH ROAD WATFORD, HERTS WD18 7GQ, ENGLAND YAMAHA SCANDINAVIA A.B. J A WETTERGRENS GATA 1, BOX 30053, 400 43 VÄSTRA FRÖLUNDA, SWEDEN Printed in Japan WC01600 YAMAHA MUSIC AUSTRALIA PTY, LTD.