Yamaha AX-470 Stereo Amplifier User Manual
Contents
1. Appropriate input source is not selected Select an appropriate input source with the INPUT selector Speaker connections are not secure Secure the connections The sound suddenly goes off Only one side speaker outputs the sound The protection circuit has activated because of short circuit etc Incorrect setting of the BALANCE control Turning the unit off and then on will reset the protection circuit 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 No connection from the turntable to the GND terminal Firmly connect the audio plugs If the problem persists the cords may be defective Make the GND connection between the turntable and this unit Sound level is low The LOUDNESS control is functioning Set the LOUDNESS control to the FLAT position Using the BASS TREBLE BALANCE LOUDNESS controls and SUBSONIC FILTER switch AX 570 only does not affect the tone The PURE DIRECT switch is ON The PURE DIRECT switch must be switched OFF to use those controls 12 The remote control transmitter does not work The distance or range wit2. e 0 0 5 dB RIAA Equalization Deviation 20 Hz to 20 kHz PHONO MM vsti a ests save aves iene 0 3 dB PHONO MC lt AX 570 only gt 0 5 dB Total Harmonic Distortion 20 Hz to 20 kHz lt AX 570 gt PHONO MM to REC OUT 3V 0 003 PHONO MC to REC OUT 8V 0 007 CD TUNER TAPE AUX to PRE OUT 1V sitesi E cuserssineied 0 005 CD TUNER TAPE AUX to SP OUT SOW OMS si scicctsscesscasessevseveeeneess 0 008 lt AX 470 gt PHONO MM to REC OUT 8V 0 003 CD TUNER TAPE AUX to SP OUT BOWS OMS sssrin 0 008 Intermodulation Distortion Rated output 8 ohms ee 0 01 Signal to Noise Ratio IHF A Network lt AX 570 gt PHONO MM 5 mV Input Shorted CD TUNER TAPE AUX Input Shorted eaablinide wiv nuddieyeleses vin av adai ia 110 dB lt AX 470 gt PHONO MM 5 mV Input Shorted CD TUNER TAPE AUX Input Shorted PURE DIRECTSON ssccseevicsceteaves 110 dB Residual Noise IHF A Network PURE DIRECT ON wecssesciesscsceecceseees 70 uV Channel Separation Vol 30 dB lt AX 570 gt PHONO MM MC Input Shorted T KHZ TO KHZ cites tex pias 75 dB 60 dB CD TUNER TAPE AUX Input 5 1 k ohms Terminated 1 kHz 10 kHz 65 dB 50 dB lt AX 470 gt CD TUNER TAPE AUX Input 5 1 k ohms Terminated 1 kKHz 10 kHz 65 dB 50 dB Tone Control Characteristics BASS Boost cut 0 10 dB 20 Hz TREBLE Boost cult 10 dB 20 kHz Filter Characteristics lt AX
3. 7 10 11 Always set the volume control to before starting the audio source play increase the volume gradually to an appropriate level after the play is started To prevent lightning damage pull out the power cord and remove the antenna cable during an electrical storm When not planning to use this unit for long periods of time ie vacation etc disconnect the AC power plug from the wall outlet Be sure to read the Troubleshooting section on common operating errors before concluding that your unit is faulty Do not connect audio equipment to the AC outlets on the rear panel if that equipment requires more power than the outlets are rated to provide FCC INFORMATION 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 2 IMPORTANT When connecting this product to accessories and or another product use only high quality shielded cables Cable s supplied with this product MUST be used Follow all installation instructions Failure to follow instructions could void your FCC authorization to use this product in the USA 3 NOTE This product has been tested and found to comply with the requirements listed in FCC Regulations Part 15 for Class B digital devices Comp
4. Turn this clockwise to increase or counter clockwise to decrease the low frequency response TREBLE Turn this clockwise to increase or counter clockwise to decrease the high frequency response 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 LOUDNESS 0 Set to the FLAT position 2 voume Set to the loudest listening level that you would listen to 3 LOUDNESS FLAT gt os Turn so that the desired volume can 7 7 be achieved Using the PURE DIRECT switch You can enjoy the purest possible sound from your audio sources by setting this switch so that the indicator illuminates By doing so the audio signal bypasses the BASS TREBLE BALANCE and LOUDNESS controls eliminating any alterations to the audio signal Concerning AX 570 only the SUBSONIC FILTER switch and the PRE OUT MAIN IN terminals are also bypassed PURE DIRECT A Setting the SUBSONIC FILTER switch lt For AX 570 only gt If you set this switch to ON position undesirable ultra low frequency signals caused by turntable rumble or warped records can be cut out without losing sound quality SUBSONIC FILTER C aL off Setting the PHONO switch lt For AX 570 only gt Select either MM or MC position depending
5. of America or its subsidiaries We Want You Listening For A Lifetime YAMAHA and the Electronic Industries Association s Consumer Electronics Group want you to get the most out of your equipment by playing it at a safe level 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 We Want You LISTENING For A Lifetime SUPPLIED ACCESSORIES After unpacking check that the following parts are contained e Remote Control Transmitter HU Oi fcc oo OE OF O00 De LE CELIO DL EE OO OOOO E i Oo OL e Batteries size AA R6 UM 3 CONNECTIONS e 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 e 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 c
6. on your PHONO cartridge Moving Magnet or Moving Coil type However if you use a high output MC cartridge select MM position PHONO 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 REMOTE CONTROL TRANSMITTER The remote control transmitter provided with this unit is designed to control all the most commonly used functions of the unit If the CD player tuner turntable equalizer and tape deck connected to this unit are YAMAHA components then this remote control transmitter will also control various functions of each component KEY FUNCTIONS For Control of This Unit Turns the power on off Selects input source Turns the volume level up down For Other Component Control Identify the remote control transmitter keys with your component s keys If these keys are identical their function will be the same On each key function refer to the corresponding instruction on your component s manual Controls tuner Selects higher preset station number Selects lower preset station number A B C D E Selects the page A E of preset station buttons Starts stops record play on turntable Controls compact disc player DISC SKIP is applicable only to compact disc changer Controls tape deck DIR A B and DECK A B are applicable only
7. to double cassette tape deck For a single cassette deck with automatic reverse function pressing DIR A will reverse the direction of tape running Controls equalizer PRESET SKIP selects any preset equalizer curve whenever this is pressed After the last preset curve is selected it returns to the first one by another press on this key 10 STANDBY mode lt For AX 470 and Europe model of AX 570 gt 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 indicator is half illuminated Note The POWER switch on the front panel of this unit should be turned off when left unused for a long period of time lt AX 470 gt S L POWER Gi stanosy l 1 C STANDBY mode Nl POWER Detanosy ZIN I My POWER on mode lt Europe model of AX 570 gt ly z O oweR POWER S i cy POWER on mode STANDBY mode NOTES ABOUT THE REMOTE CONTROL TRANSMITTER Battery installation 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 e Use only AA R6 UM 3 batteries for replacement e Be sure the polarities are correct See the illustration inside the battery compartment e Remove the batteries if the remote control
8. ventilation For example the unit should not be situated on a bed sofa rug or similar surface that may block the ventilation openings or placed in a built in installation such as a bookcase or cabinet that may impede the flow of air through the ventilation openings Heat The unit should be situated away from heat sources such as radiators stoves or other appliances that produce heat Power Sources The unit should be connected to a power supply only of the type described in the operating instructions or as marked on the unit 11 12 13 14 15 16 17 18 Power Cord Protection Power supply cords should be routed so that they are not likely to be walked on or pinched by items placed upon or against them paying particular attention to cords at plugs convenience receptacles and the point where they exit from the unit Cleaning The unit should be cleaned only as recommended by the manufacturer Nonuse Periods The power cord of the unit should be unplugged from the outlet when left unused for a long period of time Object and Liquid Entry Care should be taken so that objects do not fall into and liquids are not spilled into the inside of the unit Damage Requiring Service The unit should be serviced by qualified service personnel when A The power supply cord or the plug has been damaged or B Objects have fallen or liquid has been spilled into the unit or C The unit has
9. 470 gt TO RECORD A SOURCE TO TAPE OR DUB FROM A TAPE TO ANOTHER 1 Select the source to be recorded REC OUT TAPE 1 ee TUNER TAPE 2 PHONO AUX 4 2 Play the source 3 Confirm the source by selecting it with the INPUT selector and turning up the VOLUME control INPUT VOLUME ta 8 4 cp TAPE 1 TUNER TAPE 2 PHONO AUX 4 Set the tape deck in the recording mode 5 To monitor the sound being recorded select the tape deck being used for recording with the INPUT selecto INPUT Notes e f you want to enjoy another source while recording select it with the INPUT selector e VOLUME BASS TREBLE BALANCE LOUDNESS controls and PURE DIRECT switch settings have no effect on the material being recorded Adjusting the BALANCE control Selecting the SPEAKER system 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 BALANCE 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 lt AX 570 gt lt AX 470 gt SPEAKERS A SPEAKERS B A B ON ON ON _ ON Es E Lo E OFF L OFF OFF L OFF Adjusting the BASS and TREBLE controls Adjusting the continuously variable LOUDNESS control TREBLE BASS
10. 570 only gt SUBSONIC FILTER 15 Hz 18 dB oct Continuous Loudness Control AMlenUAUONvicackn niceties 30 dB 1 kHz Level related equalization Gain Tracking Error 0 to 60 dB SAX 5 10 gt E E 2 dB SAKA OS aa A ai 3 dB Power Supply U S A and Canada models Jeeidaadhvad dyes aaan AC 120V 60 Hz Australia and U K models AE PTEE detec AC 240V 50 Hz Europe model AC 230V 50 Hz General model waviannenn AC 110 120 220 240V 50 60 Hz Power Consumption lt AX 570 gt US A model aises Canada model Australia and U K models 210W Scandinavia Model e seeeeeeees 180W Europe except Scandinavia and General MODES isiishie irria 210W lt AX 470 gt U S A model Canada model Australia and U K models 170W Scandinavia Model eeeeeeeees 160W Europe except Scandinavia model E EEA O EET aban 190W General modal iincissnnen 170W AC Outlets Except Australia U K and Europe models of AX 470 SWITCHED OUTLETS pose tovdebatulasliibetoaueSavaasvuels 100W max total Dimensions W x H x D E cunesuavsatuayed 435 x 150 x 388 5 mm 17 1 8 x 5 7 8 x 15 5 16 Weight lt AX 570 gt ooeeccccccsseceeeeees 11 kg 24 Ibs 3 oz lt AX 470 gt airiran 9 5 kg 20 Ibs 14 oz Accessories Remote control transmitter Batteries Specifications subject to change without notice 13 YAMAHA YAMAHA ELEC
11. F FIRE OR ELECTRIC SHOCK DO NOT EXPOSE THIS UNIT TO RAIN OR MOISTURE electric shock to persons The exclamation point within an equilateral triangle is intended to alert you to the presence of important operating and maintenance servicing instructions in the literature accompanying the appliance AN SAFETY INSTRUCTIONS 1 2 6 Read Instructions All the safety and operating instructions should be read before the unit is operated Retain Instructions The safety and operating instructions should be retained for future reference Heed Warnings All warnings on the unit and in the operating instructions should be adhered to Follow Instructions All operating and other instructions should be followed Water and Moisture The unit should not be used near water for example near a bathtub washbowl kitchen sink laundry tub in a wet basement or near a swimming pool etc Carts and Stands The unit should be used only with a cart or stand that is recommended by the manufacturer 6A A unit and cart combination should 10 be moved with care Quick stops excessive force and uneven r surfaces may cause the unit and cart combination to overturn cat Wall or Ceiling Mounting The unit should be mounted to a wall or ceiling only as recommended by the manufacturer Ventilation The unit should be situated so that its location or position does not interfere with its proper
12. TRONICS CORPORATION USA 6660 ORANGETHORPE AVE BUENA PARK CALIF 90620 U S A YAMAHA CANADA MUSIC LTD 135 MILNER AVE SCARBOROUGH ONTARIO M1S 3R1 CANADA YAMAHA ELECTRONIK EUROPA G m b H SIEMENSSTR 22 34 25462 RELLINGEN BEI HAMBURG F R OF GERMANY 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 WD1 7JS ENGLAND YAMAHA SCANDINAVIA A B J A WETTERGRENS GATA 1 BOX 30053 400 43 VASTRA FROLUNDA SWEDEN YAMAHA MUSIC AUSTRALIA PTY LTD 17 33 MARKET ST SOUTH MELBOURNE 3205 VIC AUSTRALIA YAMAHA CORPORATION
13. YAMAHA AX 70470 SUBSONIC FILTER Switch to Cut Out Undesirable Ultra Low Frequency Signals lt For AX 570 only gt PRE OUT MAIN IN Terminals Useful for Connecting An Equalizer Sound Processor etc lt For AX 570 only gt Remote Control Capability Thank you for selecting this YAMAHA stereo integrated amplifier h RISK OF ELECTRIC SHOCK DO NOT OPEN CAUTION TO REDUCE THE RISK OF ELECTRIC SHOCK DO NOT REMOVE COVER OR BACK NO USER SERVICEABLE PARTS INSIDE REFER SERVICING TO QUALIFIED SERVICE PERSONNEL w CONTENTS OWNER S MANUAL IMPORTANT Please record the serial number of this unit in the space below Explanation of Graphical Symbols Model Safety Instructions 2 eee Serial No ase e lightning flash with arrowhead Supplied Accessories ween eee eee 3 X e symbol within an equilateral triangle The serial number is located on the rear is intended to alert you to the Con nections See eee 4 of the unit presence of uninsulated dangerous A A 4 F Itage within th duct OperatonS eee e eee haere rE 6 Retain this Owner s Manual in a safe enclosure that may be of euffciet place for future reference magnitude to constitute a risk of Remote Control Transmitter 10 Notes about the Remote Control Transmitter 00 11 Troubleshooting 0 12 SOECES cescseeactccesececuceees 13 WARNING TO REDUCE THE RISK O
14. alizer or sound processor If a sound processor or other component is connected 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 OPERATIONS 7 3 lt AX 570 gt Al 2 PHONES lt AX 470 gt 2 PHONES TO PLAY A SOURCE 1 VOLUME CEAR i Set to the co position lt AX 570 gt lt AX 470 gt 2 POWER RANES i7 4 Select the speakers to be used lt AX 570 gt lt AX 470 gt SPEAKERS A SPEAKERS B A B ON ON ON ON Co EJ EC JE OFF L OFF OFF 1 OFF If you use two speaker systems press both the A and B switches 5 Play the source 3 Select a desired input source INPUT co TAPE 1 TUNER TAPE 2 PHONO lt For AX 570 only gt If you select turntable as an input source PHONO position refer to Setting the PHONO switch on page 9 6 VOLUME Adjust to the desired output level 7 If desired adjust the BASS TREBLE BALANCE and LOUDNESS controls etc Refer to page 8 9 lt AX 570 gt lt AX
15. been exposed to rain or D The unit does not appear to operate normally or exhibits a marked change in performance or E The unit has been dropped or the cabinet damaged Servicing The user should not attempt to service the unit beyond those means described in the operating instructions All other servicing should be referred to qualified service personnel Power Lines An outdoor antenna should be located away from power lines Grounding or Polarization Precautions should be taken so that the grounding or polarization is not defeated Caution Read this before operating your unit 1 To ensure the finest performance please read this manual carefully Keep it in a safe place for future reference Install your unit in a cool dry clean place away from windows heat sources and too much vibration dust moisture or cold Avoid sources of hum transformers motors To prevent fire or electrical shock do not expose to rain and water Do not operate the unit upside down It may overheat possibly causing damage Never open the cabinet If a foreign object drops into the set contact your dealer Do not use force on switches knobs or cords When moving the set first turn the unit off Then gently disconnect the power plug and the cords connecting to other equipment Never pull the cord itself Do not attempt to clean the unit with chemical solvents this might damage the finish Use a clean dry cloth
16. hin which the remote control transmitter can be used decreases Direct sunlight or lighting of an inverter type of flourescent lamp etc is striking the remote control sensor of the main unit The batteries of this remote control transmitter are too weak Change position of the main unit Replace the batteries with new ones SPECIFICATIONS Minimum RMS Output Power per Channel PURE DIRECT ON lt AX 570 gt 8 ohms 20 Hz to 20 kHz 0 015 THD Luh ENESE ETA eens 100W 100W 6 ohms 20 Hz to 20 kHz 0 03 THD Except Scandinavia modell eon leet te ola E NS 120W 120W lt AX 470 gt 8 ohms 20 Hz to 20 kHz 0 015 THD Except Europe model 65W 65W Europe model iriiri 75W 75W 6 ohms 20 Hz to 20 kHz 0 03 THD U S A and Canada model 75W 75W Australia U K and General model PAEAN EVAN VEA iia E Va anaa NEA EER AEA EEEE 70W 70W Europe except Scandinavia model ih thea E ede aelennsls 80W 80W Dynamic Power per Channel by IHF Dynamic Headroom measuring method lt AX 570 gt 8 6 4 2 ONMS eee 140 170 220 290W lt AX 470 gt Except Europe model 8 6 4 2 ONMS eeeeeee 95 115 135 160W Europe modell 8 6 4 2 ONMS eee 115 135 160 180W DIN Standard Output Power per Channel 4 ohms 1 kHz 0 7 THD Europe model only SAX LOD inn denddacssctarscatatdsaddveaseanatavnte 150W lt AX 470 gt IEC Power 8 ohms 1 kHz 0 015 THD Europe model only SAXK 5 OS ccsecheepes
17. liance with these requirements provides a reasonable level of assurance that your use of this product in a residential environment will not result in harmful interference with other electronic devices This equipment generates uses radio frequencies and if not installed and used according to the instructions found in the users manual may cause interference harmful to the operation of other electronic devices Compliance with FCC regulations does not guarantee that interference will not occur in all installations If this product is found to be the source of interference which can be determined by turning the unit OFF and ON please try to eliminate the problem by using one of the following measures Relocate either this product or the device that is being affected by the interference Utilize power outlets that are on different branch circuit breaker or fuse circuits or install AC line filter s In the case of radio or TV interference relocate reorient the antenna If the antenna lead in is 300 ohm ribbon lead change the lead in to coaxial type cable If these corrective measures do not produce satisfactory results please contact the local retailer authorized to distribute this type of product If you can not locate the appropriate retailer please contact Yamaha Electronics Corp U S A 6660 Orangethorpe Ave Buena Park CA 90620 The above statements apply ONLY to those products distributed by Yamaha Corporation
18. n the rear of this unit e Banana Plug connections are also possible except for Scandinavian models Simply insert the Banana Plug connector into the corresponding terminal ABOUT THE ACCESSORY TERMINALS AC OUTLETS SWITCHED lt Except Australia U K and Europe models of AX 470 gt 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 The maximum power total power consumption of components that can be connected to the SWITCHED AC OUTLETS is 100 watts 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 lt For AX 570 only gt 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 signal processing system such as a graphic equ
19. onnected to this unit Turntable Tuner Compact disc player Speakers A ral Hem S SS AN oF a a D D att o E y 2 D gt O O Right Left REMOTE ai CONTROL F Q ees DIZ ojo j i U S A model To AC outlet 35 5 olz O Z E Lu Lu QO W Lu a 2 2 S z z ee lt J ea HASHA l Right Left Tape deck 1 Video cassette player Tape deck 2 Speakers B LD player etc Illustration AX 570 Parts in shaded area are not present on AX 470 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 How to Connect Red positive Black negative Unscrew the knob Insert the bare wire Remove approx 5mm 1 4 insulation from the speaker wires Tighten the knob and secure the wire ed ay e 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 e Use speakers with the specified impedance shown o
20. sesiessssenctorseesacsauntae 110W SAX 4 10 gt sieer 85W Power Band Width lt AX 570 gt 8 ohms 50W 0 03 THD EA EA EA 10 Hz to 50 kHz lt AX 470 gt 8 ohms 35W 0 03 THD SAW Hilti AvAvA sis aitinniiee 10 Hz to 50 kHz Damping Factor 8 ohms 20 Hz 20 kHz SAX 5 70 gt ieai naa 320 SAXK 4 OS ceva neserivsctenssvesnaneattevcctossndias 240 Damping Factor DIN 4 ohms 40 Hz Australia U K and Europe models SAXK 5 OS viccscivesarecssteccrvessccentuesvecesacnasee 160 LAX ATOS eraki aa eiai 120 Input Sensitivity Impedance PHONO MM 008 2 5 mV 47 k ohms PHONO MC lt AX 570 only gt E EAT 160 uV 220 ohms E EE A EA 150 mV 47 k ohms MAIN IN lt AX 570 only gt E A E EAN 1 0V 10 k ohms Maximum Input Signal 1 kHz 0 01 THD lt AX 570 gt PHONO MM 0 ceeceeeeeeteeeeteeeeeeee 150 mV PHONO MGi isscssecissrstrcevsarvecsvccevecass 10 mV lt AX 470 gt PHONO IMM ciiisean 115 mV Output Level Impedance lt AX 570 gt REC OUT seeiis 150 mV 220 ohms PRE OU Twscccssvssscessrcsncaveneesss 1 0V 470 ohms lt AX 470 gt REG OUT eiiieaen 150 mV 1 k ohm Headphone Jack Rated Output Impedance lt AX 570 gt Output Level 8 ohms 1 kHz 0 015 THD AE IE Nee ien cited lid 0 47V Impedanssi 470 ohms lt AX 470 gt Output Level 8 ohms 1 kHz 0 019 THD a E 0 46V Impedantie nse 390 ohms Frequency Response 20 Hz to 20 kHz CD TUNER TAPE AUX eeeeee 0 0 5 dB MAIN IN lt AX 570 only gt
21. transmitter will not be used for an extended period of time e f 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 Remote control transmitter operation range Remote control sensor Within approximately 7 m 23 feet o 2 Q Notes e 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 11 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 CAUSE REMEDY The unit fails to turn on when the POWER switch is pressed 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
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