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AX-1090 Natural Sound Stereo Integrated Amplifier Préampli/ampli de puissance stéréo de la série “Natural Sound” Natural Sound Stereo-Verstärker Natural Sound Integrerad Stereo Förstärkare Amplificatore integrato stereo a Suono Naturale Amplificador integrado estéreo de Sonido Natural Natural Sound Geïntegreerde Stereo Versterker OWNER’S MANUAL MODE D’EMPLOI BEDIENUNGSANLEITUNG BRUKSANVISNING MANUALE DI ISTRUZIONI MANUAL DE INSTRUCCIONES GEBRUIKSAANWIJZING  SUPPLIED ACCESSORIES ACCESSOIRES FOURNIS MITGELIEFERTES ZUBEHOR MEDFOLJANDE TILLBEHOR ACCESSORI IN DOTAZIONE ACCESORIOS INCLUIDOS BIJGELEVERDE ACCESSOIRES ● ● ● ● ● ● ● 2 Remote Control Transmitter Emetteur de télécommande Fernbedienung Fjärrkontrollsändare Telecomando Transmisor del control remoto Afstandbediening ● ● ● ● ● ● ● After unpacking, check that the following parts are contained. Après le déballage, vérifier que les pièces suivantes sont incluses. Nach dem Auspacken überprüfen, ob die folgenden Teile vorhanden sind. Kontrollera efter det apparaten packats upp att följande delar finns med. Verificare che tutte le parti seguenti siano contenute nell’imballaggio dell’apparecchio. Desembale el aparato y verificar que los siguientes accesorios están en la caja. Controleer na het uitpakken of de volgende onderdelen voorhanden zijn. ● ● ● ● ● ● ● Batteries (size AA, R6, UM-3) Piles (taille AA, R6, UM-3) Batterien (Größe AA, R6, UM-3) Batterier (storlek AA, R6, UM-3) Batterie (dimensioni AA, R6, UM-3) Pilas (tamaño AA, R6, UM-3) Batterijen (maat AA, R6, UM-3)  FEATURES ● ● ● ● ● ● ● ● ● CONTENTS 145W + 145W (8Ω) RMS Output Power, 0.01% THD, 20–20,000 Hz High Dynamic Power, Low Impedance Drive Capability Continuously Variable Loudness Control PURE DIRECT Switch to Reproduce the Purest Source Sound SUBSONIC FILTER Switch to Cut Out Undesirable UltraLow-Frequency Signals PRE OUT/MAIN IN Terminals for Connecting An Equalizer, Sound Processor, etc. Turnover Frequency Switch for Tone Controls High Quality Component Parts Remote Control Capability English Thank you for selecting this YAMAHA stereo amplifier. Supplied Accessories .....................................................2 Connections ...................................................................4 Controls and Their Functions ..........................................6 Operations ......................................................................9 Notes about the Remote Control Transmitter ...............13 Troubleshooting ............................................................14 Specifications ...............................................................15 CAUTION: READ THIS BEFORE OPERATING YOUR UNIT. 1. 2. To assure the finest performance, please read this manual carefully. Keep it in a safe place for future reference. Install this unit in a cool, dry, clean place – away from windows, heat sources, sources of excessive vibration, dust, moisture and cold. Avoid sources of humming (transformers, motors). To prevent fire or electrical shock, do not expose the unit to rain or water. 3. Never open the cabinet. If something drops into the set, contact your dealer. 4. Do not use force on switches, controls or connection wires. When moving the unit, first disconnect the power plug and the wires connected to other equipment. Never pull the wire itself. 5. The openings on the cabinet assure proper ventilation of the unit. If these openings are obstructed, the temperature inside the cabinet will rise rapidly. Therefore, avoid placing objects against these openings, and install the unit in well-ventilated condition. Make sure to allow a space of at least 20 cm behind, on the both sides and above the top panel of the unit. Otherwise it may not only damage the unit, but also cause fire. ∞ 6. Always set the VOLUME control to “– ” before starting the audio source play: increase the volume gradually to an appropriate level after the play has been started. 7. Do not attempt to clean the unit with chemical solvents; this might damage the finish. Use a clean, dry cloth. 8. Be sure to read the “TROUBLESHOOTING” section regarding common operating errors before concluding that the unit is faulty. 9. When not planning to use this unit for long periods of time (ie., vacation, etc.), disconnect the AC power plug from the wall outlet. 13. Voltage Selector (General Model only) The voltage selector on the rear panel of this unit must be set for your local main voltage BEFORE plugging into the AC main supply. Voltages are 110/120/220/240 V AC, 50/60 Hz. IMPORTANT Please record the serial number of this unit in the space below. Serial No.: The serial number is located on the rear of the unit. Retain this Owner’s Manual in a safe place for future reference. WARNING TO REDUCE THE RISK OF FIRE OR ELECTRIC SHOCK, DO NOT EXPOSE THIS UNIT TO RAIN OR MOISTURE. The apparatus is not disconnected from the AC power source as long as it is connected to the wall outlet, even if the apparatus itself is turned off. 10. To prevent lightning damage, disconnect the AC power plug and disconnect the antenna cable when there is an electrical storm. 11. Grounding or polarization – Precautions should be taken so that the grounding or polarization of an appliance is not defeated. 12. AC outlet Do not connect audio equipment to the AC outlet on the rear panel if that equipment requires more power than the outlet is rated to provide. 3  CONNECTIONS ● Tuner OUTPUT Tape deck 2 Tape deck 1 OUTPUT Compact disc player LINE IN ● Before attempting to make any connections to or from this unit, be sure to first switch OFF the power to this unit and to any other components to which connections are being made. When making connections between this unit and other components, be sure all connections are made correctly, that is to say L (left) to L, R (right) to R, “+” to “+” and “–” to “–”. Also, refer to the owner’s manual for each component to be connected to this unit. If you have YAMAHA components numbered as 1, 2, 3, etc. on the rear panel, connections can be made easily by making sure to connect the output (or input) terminals of each component to the same-numbered terminals of this unit. LINE OUT ● T U O IN E N LI LIN Speakers A Right Left E (General model) VOLTAGE SELECTOR 2 1 TUNER CD 3 TAPE PB TAPE 1 COUPLER MAIN IN 4 AC OUTLETS REC OUT PRE OUT 3 TAPE PB TAPE 2 SPEAKERS REMOTE CONTROL 4 GND REC OUT PHONO TAPE PB TAPE 3 A A B B 3 4 REC OUT PHONO AUX Turntable SWITCHED 200W MAX. TOTAL A OR B:6ΩMIN./SPEAKER B:l2ΩMIN./SPEAKER A Video cassette player, LD player, etc. LINE IN LINE OUT To AC outlet AUDIO OUT REMOTE CONTROL GND OUTPUT A OR B:6ΩMIN./SPEAKER B:l2ΩMIN./SPEAKER A Right Tape deck 3 Left Speakers B : Refer to “ABOUT THE OTHER REAR PANEL PARTS” on page 5. AC OUTLETS (3 SWITCHED OUTLETS) Use these to connect the power cords from your components to this unit. The power to the SWITCHED outlets is controlled by this unit’s POWER switch or the provided remote control transmitter’s POWER key. These outlets will supply power to any component whenever this unit is turned on. 4 The maximum power (total power consumption of components) that can be connected to the SWITCHED AC OUTLETS is 200 watts.  English CONNECTING SPEAKERS Connect the SPEAKERS terminals to your speakers with wire of the proper gauge, cut as short as possible. If the connections are faulty, no sound will be heard from the speakers. Make sure that the polarity of the speaker wires is correct, that is, + and – markings are observed. If these wires are reversed, the sound will be unnatural and will lack bass. Do not let the bare speaker wires touch each other and do not let them touch the metal parts of this unit as this could damage this unit and/or speakers. ● ● ● One or two speaker systems can be connected to this unit. If you connect only one speaker system, connect it to either the SPEAKERS A or B terminals. Use speakers with the specified impedance shown on the rear of this unit. <General model only> Banana Plug connections are also possible. Simply insert the Banana Plug connector into the corresponding terminal. How to Connect: Red: positive (+) Black: negative (–) 2 1 3 ➀ Unscrew the knob. ➁ Insert the bare wire. [Remove approx. 5mm (1/4”) insulation from the speaker wires.] ➂ Tighten the knob and secure the wire. ABOUT THE OTHER REAR PANEL PARTS REMOTE CONTROL (PHONO) connector If you have a YAMAHA turntable with a terminal for remote control, connect it to this connector by using the cable provided with the turntable. This connection allows you to control the turntable from the provided remote control transmitter. GND terminal (For turntable use) Connecting the ground wire of the turntable to this terminal will normally minimize hum, but in some cases better results may be obtained with the ground wire disconnected. PRE OUT/MAIN IN terminals Removing the jumper pins enables this unit to independently perform the functions of a control amplifier and a power amplifier. These terminals are for connection of a signalprocessing system such as a graphic equalizer or sound processor. If a sound processor or other external unit is connected between these terminals, the VOLUME control of this unit can be used for overall adjustment of the level of sound. To connect such a unit, remove the jumper pins from the PRE OUT/MAIN IN terminals, connect the inputs of that unit to the PRE OUT terminals and its outputs to the MAIN IN terminals. For details, refer to the owner’s manual included with the unit to be connected. COUPLER MAIN IN PRE OUT Notes ● If you will not use the PRE OUT/MAIN IN terminals, never remove the jumper pins from these terminals. If removed, no sound will be output from this unit. ● If you will use this unit with an external unit connected between the PRE OUT and MAIN IN terminals, make sure that the PURE DIRECT switch on the front panel is turned off. ● If you will use this unit as a power amplifier, connect the outputs of an external control amplifier etc. to this unit’s MAIN IN terminals. In that case, this unit’s controls will not function except the PHONES jack and the SPEAKERS switches, so use the controls on the external control amplifier to make volume adjustment etc. 5  CONTROLS AND THEIR FUNCTIONS FRONT PANEL 1 2 3 4 5 6 VOLUME NATURAL SOUND STEREO AMPLIFIER AX 1090 l INPUT l8 l6 20 CD TAPE 1 l4 l2 24 TUNER l0 28 POWER PURE DIRECT TAPE 2 8 PHONO 34 6 4 40 TAPE 3 3 50 AUX 2 60 l 70 0 –dB PHONES BASS SPEAKERS A ON B ON l OFF OFF 8 l 2 400Hz 2.5kHz 4 4 200Hz 5kHz 0 MODE ON MONO 3 4 4 A 2 Power indicator Lights up while the power is on. 3 Remote control sensor Receives signals from the remote control transmitter. 4 PURE DIRECT switch and indicator Press this switch so that the indicator lights up to listen to an audio source in the purest sound. (Refer to page 12 for details.) BALANCE 0 OFF STEREO l 2 3 4 4 L 5 B C LOUDNESS l 2 3 5 1 POWER switch Press this switch to switch the power on. Press it again to switch the power off. * Standby mode While the power is on, pressing the POWER key on the remote control transmitter switches the unit to the standby mode. (In this mode, the power indicator is half illuminated.) 6 SUBSONIC FILTER l 2 5 5 9 DEFEAT l 2 3 3 5 7 TURNOVER FREQUENCY TREBLE DEFEAT l 2 3 5 R D FLAT REC OUT 1 2/3 –40dB TAPE COPY 10 3 1/2 2 3 9 4 CD PHONO TUNER MC PHONO AUX 8 5 6 MM 7 E F G 5 INPUT selector Selects a program source to listen to. 6 VOLUME control Used to raise or lower the volume level. * When the volume is decreased by pressing the MUTING key on the remote control transmitter, the indicator on the VOLUME control flashes on and off. 7 PHONES jack When you listen with headphones, connect the headphones to the PHONES jack. When listening with headphones privately, set both the SPEAKERS A and B switches to the OFF position. PHONES 8 SPEAKERS switches Set the switch A or B (or both A and B) for the speaker system (connected to this unit) you will use to the ON position. Set the switch for the speaker system you will not use to the OFF position.  English 9 BASS control Used to increase or decrease the low frequency response. The DEFEAT position produces flat response. 0 TURNOVER FREQUENCY switches Used to adjust the turnover point of the BASS and TREBLE controls respectively. This gives you flexible control over bass and treble response characteristics. A TREBLE control Used to increase or decrease the high frequency response. The DEFEAT position produces flat response. B SUBSONIC FILTER switch Used to cut out undesirable ultra-low-frequency signals caused by turntable rumble or warped records without losing sound quality. C MODE switch This switch can be used for switching between stereo and monaural operation. Normally this switch should be set to the STEREO position. D BALANCE control Adjusts the balance of the output volume to the left and right speakers to compensate for sound imbalance caused by speaker location or listening room conditions. E Continuously variable LOUDNESS control Used to compensate for the human ears’ loss of sensitivity to high and low-frequency ranges at low volume. F REC OUT selector This switch can be used to select a program source and supply that source directly to the REC OUT terminals on the rear panel, independently of the setting of the INPUT selector. This function allows you to record the selected program source while listening to another program source. G PHONO (MM/MC) switch This switch can be used to select either the MM (moving magnet) or MC (moving coil) position to match the phono cartridge used. (Refer to page 12 for details.) 7  REMOTE CONTROL TRANSMITTER The remote control transmitter provided with this unit is designed to control all the most commonly used functions of this unit. If the CD player, tuner, tape deck and turntable connected to this unit are YAMAHA components designed for remote control compatibility, then this remote control transmitter will also control various functions of each component. For Control of This Unit 1 Input selector keys Selects input source. 2 MUTING key When pressed, decreases the volume level by 20 dB. To resume original volume level, press this again. While muting, the indicator on the VOLUME control flashes on and off continuously. YAMAHA HIFI SYSTEM REMOTE CONTROL TRANSMITTER TAPE 3 DIR A DIR B REC/PAUSE 1 2 PLAY AUX 3 VOLUME +/– keys TAPE 2 Turns the volume level up/down. A/B – PRESET + A/B/C/D/E DISC PLAY 3 TAPE 1 TUNER 1 4 POWER key 4 2 3 4 For Other Component Control CD PLAY /CUT PHONO POWER VOLUME MUTING Turns the power on/off. * While the power is on, pressing the POWER key on the remote control transmitter switches the unit from the power-on mode to the standby mode, and vice versa. (In the standby mode, the power indicator on the front panel is half illuminated.) Identify the remote control transmitter keys with your component’s keys. If these keys are identical, their functions will be the same. On each key function, refer to the corresponding instruction on your component’s manual. 1 Tape deck keys Controls tape deck. * DIR A, B and A/B are applicable only to double cassette tape deck. * For a single cassette deck with automatic reverse function, pressing DIR A will reverse the direction of tape running. 2 Tuner keys Controls tuner. +: Selects higher preset station number. –: Selects lower preset station number. A/B/C/D/E: Selects the group (A – E) of preset station numbers. 3 CD player keys Controls compact disc player. * DISC is applicable only to compact disc changer. 4 Turntable key Starts/stops record play on turntable. 8  English OPERATIONS 7 1, 6 VOLUME INPUT l8 2 l6 20 CD TAPE 1 l4 l2 24 TUNER l0 28 POWER PURE DIRECT TAPE 2 8 PHONO 34 6 4 40 TAPE 3 3 50 AUX 2 60 l 70 0 –dB PHONES BASS SPEAKERS A ON B ON OFF OFF l TURNOVER FREQUENCY TREBLE DEFEAT l 2 l 2 3 400Hz 2.5kHz 200Hz 5kHz 4 5 5 4 SUBSONIC FILTER DEFEAT l 2 MODE ON MONO OFF STEREO 3 4 4 5 BALANCE l 2 3 3 4 2 0 l 2 3 4 L 5 LOUDNESS l 3 5 4 5 R 7 FLAT REC OUT 1 2/3 –40dB TAPE COPY 10 3 1/2 2 9 3 CD 5 6 PHONO TUNER PHONO MC AUX 8 4 MM 7 3 TO PLAY A SOURCE 1 4 VOLUME l8 l6 l4 20 Select the speakers to be used. l2 24 l0 28 8 34 SPEAKERS 6 4 40 3 50 2 60 l 70 0 –dB ∞” position. Set to the “ 2 * If you use two speaker systems, press both the A and B switches. Turn the power on. 5 POWER Play the source. 6 VOLUME l6 l8 20 l4 l2 24 l0 28 3 8 34 Select a desired input source. 6 4 40 3 50 2 60 INPUT 0 CD TAPE 1 TAPE 2 l 70 –dB TUNER Adjust to the desired output level. PHONO TAPE 3 AUX * If you select turntable as an input source (PHONO position), you should confirm that the PHONO (MM/MC) switch is set to the position corresponding to the type of cartridge being used by the turntable. (Refer to page 12.) 7 If desired, adjust the BASS, TREBLE, BALANCE and LOUDNESS controls, etc. (Refer to page 11–12.) To turn off the power Press the POWER switch again. Caution If you will press the PURE DIRECT switch to turn it on when the LOUDNESS control is set at a position other than “FLAT”, be sure to decrease the volume by turning the VOLUME control counterclockwise before pressing the PURE DIRECT switch, otherwise the volume may become extremely high suddenly causing harm to your ears and damage to the speakers. 9  VOLUME INPUT l8 l6 20 CD TAPE 1 l4 l2 24 TUNER l0 28 POWER PURE DIRECT TAPE 2 8 PHONO 34 6 4 40 TAPE 3 3 50 AUX 2 60 l 70 0 –dB PHONES BASS SPEAKERS A ON B ON OFF OFF l TURNOVER FREQUENCY TREBLE DEFEAT l 2 l 2 3 400Hz 2.5kHz 200Hz 5kHz 4 5 2 ON MONO OFF STEREO 3 4 4 5 5 MODE 5 BALANCE l 2 3 3 4 SUBSONIC FILTER DEFEAT l 2 0 2 3 L 5 REC OUT FLAT CD l 3 4 LOUDNESS l 4 5 R 1 2/3 –40dB TAPE COPY 10 3 1/2 2 3 9 4 6 PHONO TUNER PHONO MC AUX 8 5 3, 5 3 MM 7 1 TO RECORD A SOURCE TO TAPE (OR DUB FROM A TAPE TO ANOTHER) 1 Notes ● If you want to enjoy another source while recording, select it with the INPUT selector. ● The settings of VOLUME, BASS, TREBLE, BALANCE, LOUDNESS controls and PURE DIRECT switch have no effect on the material being recorded. Select the source to be recorded. REC OUT 1 2/3 TAPE COPY 3 1/2 CD TUNER PHONO AUX 2 3 REC OUT selector setting on tape dubbing Play the source. To dub from tape deck 1 to tape deck 2 or 3 (or both tape deck 2 and 3 at the same time) Confirm the source by selecting it with the INPUT selector and turning up the VOLUME control. REC OUT 1 2/3 TAPE COPY 3 1/2 CD TUNER PHONO AUX VOLUME INPUT l8 l6 20 CD TAPE 1 l4 l2 24 TUNER l0 28 TAPE 2 8 PHONO 34 6 4 40 TAPE 3 3 50 AUX 2 60 To dub from tape deck 3 to tape deck 1 or 2 (or both tape deck 1 and 2 at the same time) REC OUT 1 2/3 TAPE COPY 3 1/2 CD TUNER PHONO AUX l 70 0 –dB 4 5 Set the tape deck to be used for recording in the recording mode. To monitor the sound to be recorded (or being recorded), select the tape deck being used for recording with the INPUT selector. INPUT CD TAPE 1 TAPE 2 TAPE 3 AUX 10 TUNER PHONO * Tape dubbing cannot be done from tape deck 2 to tape deck 1 or 3.  Adjust the balance of the output volume to the left and right speakers to compensate for sound imbalance caused from speaker location or listening room conditions. Selecting the SPEAKER system Because one or two speaker systems can be connected to this unit, the SPEAKERS switches allow you to select speaker system A or B, or both at once. SPEAKERS BALANCE l 0 English Adjusting the BALANCE control l 2 2 3 3 4 4 L5 5R Adjusting the BASS and TREBLE controls BASS TREBLE Adjusting the continuously variable LOUDNESS control This control provides compensation for the human ears’ loss of sensitivity to high and low-frequency ranges at low volume. This control is adjustable to retain full tonal range at any volume level. 1 Set to the “FLAT” position. LOUDNESS 0 dB BASS 0 : Turn this clockwise to increase (or counterclockwise to decrease) the low frequency response. TREBLE : Turn this clockwise to increase (or counterclockwise to decrease) the high frequency response. 9 8 7 6 2 Set to the loudest listening level that you would listen to. VOLUME l8 l6 l4 20 l2 24 TURNOVER FREQUENCY switches l0 28 8 34 6 4 40 These switches can be used to adjust the turnover point of the tone controls: either 200 Hz or 400 Hz for BASS and either 2.5 kHz or 5 kHz for TREBLE. This gives you flexible control over bass and treble response characteristics. 3 50 2 60 l 70 0 –dB 3 Turn until the desired volume is achieved. TURNOVER FREQUENCY LOUDNESS 400Hz 0 dB 2.5kHz 0 9 200Hz 5kHz 8 6 7 11  Using the PURE DIRECT switch PHONO (MM/MC) switch You can enjoy the purest possible sound from your audio sources by setting this switch so that the indicator lights up. By doing so, the audio signals bypass the BASS, TREBLE, BALANCE, LOUDNESS controls, SUBSONIC FILTER switch, MODE switch and the PRE OUT/MAIN IN terminals, thus eliminating any alterations to the audio signals. Select either MM or MC position depending on your PHONO cartridge, Moving Magnet or Moving Coil type. However, if you use a high output MC cartridge, select MM position. To select the MC position, press this switch so that it is held inward. To select the MM position, press this switch so that it is released outward. PURE DIRECT PHONO MC MM Setting the SUBSONIC FILTER switch If you set this switch to “ON” position, undesirable ultra-lowfrequency signals caused by turntable rumble or warped records can be cut out without losing sound quality. Setting the MODE switch This switch can be used for switching between stereo and monaural operation. Normally this switch should be set to the STEREO position. SUBSONIC FILTER MODE ON MONO OFF STEREO Open/close the control door When it is not necessary to operate controls inside the control door, close the door. To open the door 12 To close the door  Battery installation Remote control transmitter operation range English NOTES ABOUT THE REMOTE CONTROL TRANSMITTER 2 Remote control sensor 1 3 Within approximately 6 m (19.7 feet) 30° 30° Battery replacement If you find that the remote control transmitter must be used closer to the main unit, the batteries are weak. Replace both batteries with new ones. Notes ● Use only AA, R6, UM-3 batteries for replacement. ● Be sure the polarities are correct. (See the illustration inside the battery compartment.) ● Remove the batteries if the remote control transmitter will not be used for an extended period of time. ● If batteries leak, dispose of them immediately. Avoid touching the leaked material or letting it come in contact with clothing, etc. Clean the battery compartment thoroughly before installing new batteries. Notes ● There should be no large obstacles between the remote control transmitter and the main unit. ● If the remote control sensor is directly illuminated by strong lighting (especially an inverter type of fluorescent lamp etc.), it might cause the remote control transmitter not to work correctly. In this case, reposition the main unit to avoid direct lighting. 13  TROUBLESHOOTING If the unit fails to operate normally, check the following points to determine whether the fault can be corrected by the simple measures suggested. If it cannot be corrected, or if the fault is not listed in the SYMPTOM column, disconnect the power cord and contact your authorized YAMAHA dealer or service center for help. SYMPTOM REMEDY Power cord is not plugged in or is not completely inserted. Firmly plug in the power cord. No sound. Incorrect output cord connections. Connect the cords properly. If the problem persists, the cords may be defective. Appropriate input source is not selected. Select an appropriate input source with the INPUT selector. The SPEAKERS switches are not set properly. Set the SPEAKERS switch which corresponds to the speakers to be used to the ON position. Speaker connections are not secure. Secure the connections. The sound suddenly goes off. The protection circuit has functioned because of short circuit etc. Turning the unit off and then on will reset the protection circuit. Only one side speaker outputs the sound. Incorrect setting of the BALANCE control. Adjust it to the appropriate position. Incorrect cord connections. Connect the cords properly. If the problem persists, the cords may be defective. There is a lack of bass, and no ambience. The + and – wires are connected in reverse at the amplifier or speakers. Connect the speaker wires in the correct phase (+ and –). Sound “hums”. Incorrect cord connections. Firmly connect the audio plugs. If the problem persists, the cords may be defective. No connection from the turntable to the GND terminal. Make the GND connection between the turntable and this unit. The LOUDNESS control is functioning. Set the LOUDNESS control to the FLAT position. The PHONO (MM/MC) switch is set to the improper position. Set the PHONO (MM/MC) switch to the proper position. The MUTING key is ON. First, turn the volume control to the full left. Then, turn the MUTING key OFF with the remote control transmitter and adjust the volume. Using the BASS, TREBLE, BALANCE, LOUDNESS controls, SUBSONIC FILTER switch and MODE switch does not affect the tone. The PURE DIRECT switch is ON. The PURE DIRECT switch must be switched OFF to use those controls. The volume level cannot be increased, or sound is distorted. The power to the component connected to the REC OUT terminals of this unit is off. Turn the power to the component on. The sound is degraded when listening with the headphones connected to the compact disc player or cassette deck that are connected with this unit. The power to this unit is off. Turn the power to this unit on. The remote control transmitter does not work. Direct sunlight or lighting (of an inverter type of flourescent lamp etc.) is striking the remote control sensor of the main unit. Change position of the main unit. The distance or range within which the remote control transmitter can be used decreases. The batteries of this remote control transmitter are too weak. Replace the batteries with new ones. Sound level is low or sound is distorted while playing a record on the turntable. 14 CAUSE The unit fails to turn on when the POWER switch is pressed.  Minimum RMS Output Power per Channel 8 ohms, 20 Hz to 20 kHz, 0.01% THD ..........................................145W+145W 6 ohms, 20 Hz to 20 kHz, 0.02% THD ..........................................185W+185W Dynamic Power per Channel (by IHF Dynamic Headroom measuring method) 8/6/4/2 ohms .........220/290/360/460W DIN Standard Output Power per Channel [Europe model only] (4 ohms, 1 kHz, 0.7% THD) .........250W Dynamic Headroom [General model only] 8/6 ohms......................1.81 dB/1.95 dB IEC Power (8 ohms, 1 kHz, 0.01% THD) [Europe model only] .....................................................170W Power Band Width 8 ohms, 72.5W, 0.03% THD .....................................10 Hz to 50 kHz Damping Factor 8 ohms, 20 Hz to 20 kHz ...........................................350 or more Input Sensitivity/Impedance PHONO MM .............2.5 mV/47 k-ohms PHONO MC ..............160 µV/220 ohms CD/TUNER/TAPE/AUX ................................150 mV/47 k-ohms MAIN IN........................1.0V/47 k-ohms Maximum Input Signal (1 kHz, 0.01% THD) PHONO MM............................170 mV PHONO MC ...........................13.5 mV Output Level/Impedance REC OUT ...............150 mV/2.2 k-ohms PRE OUT ....................1.0V/1.8 k-ohms Maximum Voltage Output 20 Hz to 20 kHz, 0.02% THD.........6.5V Headphone Jack Rated Output/ Impedance Output Level (8 ohms, 1 kHz, 0.015% THD) .....1.05V Impedance.............................220 ohms Frequency Response (20 Hz to 20 kHz) CD/TUNER/TAPE/AUX ............0±0.5 dB MAIN IN ...................................0±0.5 dB RIAA Equalization Deviation (20 Hz to 20 kHz) PHONO MM ...........................±0.3 dB PHONO MC............................±0.5 dB Total Harmonic Distortion (20 Hz to 20 kHz) PHONO MM to REC OUT (3V) .........................................0.003% PHONO MC to REC OUT (3V) .........................................0.007% CD/TUNER/TAPE/AUX to PRE OUT (1V) .........................................0.004% CD/TUNER/TAPE/AUX to SP OUT (72.5W/8 ohms) ......................0.007% MAIN IN to SP OUT (72.5W/8 ohms) ......................0.005% Tone Control Characteristics BASS: Boost/cut.....................±10 dB (20 Hz) Turnover Frequency ........200, 400 Hz TREBLE: Boost/cut ...................±10 dB (20 kHz) Turnover Frequency............2.5, 5 kHz Filter Characteristics SUBSONIC FILTER ..................................15 Hz, –18 dB/oct Continuous Loudness Control (Level related equalization) Attenuation ....................–40 dB (1 kHz) Audio Muting ................................–20 dB Gain Tracking Error (0 to –60 dB) ....2 dB Power Supply [Europe model] ..............AC 230V, 50 Hz [General model] ...........AC 110/120/220/240V, 50/60 Hz Power Consumption .......................370W Signal-to-Noise Ratio (IHF-A Network) PHONO MM (5 mV Input Shorted) .................................................... 92 dB PHONO MC (500 µV Input Shorted) .................................................... 75 dB CD (Input Shorted) (PURE DIRECT; ON)...............110 dB TUNER/TAPE/AUX (Input Shorted) (PURE DIRECT; ON)...............106 dB AC Outlets 3 SWITCHED OUTLETS ....................................200W max. total Residual Noise (IHF-A Network) CD (PURE DIRECT; ON).............40 µV TUNER/TAPE/AUX (PURE DIRECT; ON)...................80 µV Accessories ...Remote control transmitter Batteries Channel Separation (Vol. –30 dB) PHONO MM/MC (Input Shorted 1 kHz/10 kHz) ....................70 dB/55 dB CD/TUNER/TAPE/AUX (Input 5.1 k-ohms Terminated 1 kHz/10 kHz) ...........................................65 dB/50 dB English SPECIFICATIONS Dimensions (W x H x D) ..............................435 x 171 x 448 mm (17-1/8” x 6-3/4” x 17-5/8”) Weight ...................18.3 kg (40 lbs. 4 oz.) Specifications subject to change without notice. 15  YAMAHA YAMAHA YAMAHA YAMAHA YAMAHA YAMAHA YAMAHA ELECTRONICS CORPORATION, USA 6660 ORANGETHORPE AVE., BUENA PARK, CALIF. 90620, U.S.A. CANADA MUSIC LTD. 135 MILNER AVE., SCARBOROUGH, ONTARIO M1S 3R1, CANADA ELECTRONIK EUROPA G.m.b.H. SIEMENSSTR. 22-34, 25462 RELLINGEN BEI HAMBURG, F.R. OF GERMANY ELECTRONIQUE FRANCE S.A. RUE AMBROISE CROIZAT BP70 CROISSY-BEAUBOURG 77312 MARNE-LA-VALLEE CEDEX02, FRANCE ELECTRONICS (UK) LTD. YAMAHA HOUSE, 200 RICKMANSWORTH ROAD WATFORD, HERTS WD1 7JS, ENGLAND SCANDINAVIA A.B. J A WETTERGRENS GATA 1, BOX 30053, 400 43 VÄSTRA FRÖLUNDA, SWEDEN MUSIC AUSTRALIA PTY, LTD. 17-33 MARKET ST., SOUTH MELBOURNE, 3205 VIC., AUSTRALIA VU 60520