Instruction/ maintenance manual of the product RX-V457 Yamaha
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YAMAHA ELECTRONICS CORPORATION, USA 6660 ORANGE THORPE AVE., BUENA PARK, CALIF. 90 620, U.S.A. YAMAHA CANADA MUSIC LTD. 135 MILNER A VE., SCARBORO UGH, ONTAR IO M1S 3R1, CAN ADA YAMAHA ELECTRONIK EUROPA G.m.b.H. SIEMENSSTR. 22-34, 2 5462 RELLINGEN BEI HAMB URG, GERMANY YAMAHA ELECTRONIQUE FRANCE S.
IMPORTANT SAFETY INSTRUCTIONS i • Explanation of Graphical Symbols The lightning flash with arrowhead symbol, within an equilateral triangle, is in tended to al ert you to the presence of uninsulated “dangerous voltage” within the product’ s enclosure that may be of sufficient magnitude to constitut e a risk of electric shock to persons.
IMPORTANT SAFETY INSTRUCTIONS ii EXAMPLE OF ANTENNA GROUNDING MAST GROUND CLAMP ANTENNA LEAD IN WIRE ANTENNA DISCHARGE UNIT (NEC SECTION 810–20) GROUNDING CONDUCTORS (NEC SECTION 810–21) GROUND CLAMPS POWER SERVICE GROUNDING ELECTRODE SYSTEM (NEC ART 250.
CAUTION: READ THIS BEFO RE OPERATING YOUR UNIT. iii 1 T o assure the finest p erformance, please read this manual carefully . Keep it in a safe place for future reference. 2 Install this sound system in a well ventilated, co ol, dry , clean place – away fr om direct sunlight, heat sources, vibration, dust, moisture, and/or co ld.
1 PREP ARA TION INTRODUCTION BA S IC OPERA TION SOUND FIELD PROGRAM S AD V ANCED OPERA TION ADDITIONAL INFORMA TION FEATU RES ........... ............ ............ .............. ............ 2 GETTING STARTED ...... .............. ............ ......
FEATURES 2 Built-in 6-channel power amplifier ◆ Minimum RMS output po wer (0.06% THD, 20 Hz to 20 kHz, 8 Ω ) Front: 85 W + 85 W Center: 85 W Surround: 85 W + 85 W Surround back: 85 W Sound field features ◆ Proprietary Y AMAHA technology for the creation of sound fields ◆ Dolby Digita l/Dolb y Digital EX decoder ◆ DTS/DTS-ES Matrix 6.
GETTING STARTED 3 INTRODUCTION Please check t hat you recei v ed all of the follo w ing parts. 1 Press the part and slide the battery compartment cover off. 2 Insert four supplied batteries (AAA, R03, UM-4) according to th e polarity markings (+ / –) on the insi de of the battery compartment.
CONTROLS AND FUNCTIONS 4 1 ST ANDBY/ON T urns on this unit or sets it to the standby mode. When you turn on this unit, you will hear a click and ther e will be a 4 to 5-second delay before this unit can reproduce sound. In standby mo de, this unit consumes a small amount of power in order to receive infrared-signa ls from the remote control.
CONTROLS AND FUNCTIONS 5 INTRODUCTION 0 VIDEO A U X jac ks Input audio and video signals from a portable external source such as a game co nsole. T o reproduce source signals from these jacks, select V -A UX as the input source. A VO L U M E Controls the output le vel of all audio channels.
CONTROLS AND FUNCTIONS 6 This section describes the func tion of each control o n the remote control used to contro l this unit. T o operate other components, see “REMO TE CONTR OL FEA TURES” on page 63. 1 Infrared window Outputs infrare d control signals.
CONTROLS AND FUNCTIONS 7 INTRODUCTION B SYSTEM PO WER T urns on the power of this unit. C SLEEP Sets the slee p timer . D MUL TI CH IN Selects multi-channel inpu t when using an extern al decoder (etc.). E AMP Selects the AMP mode. Y ou must select th e AMP mode to control the main unit.
CONTROLS AND FUNCTIONS 8 1 Decoder indicator s When any of this unit’ s decode rs function, the respectiv e indicator lights up. 2 VIRT U AL indicator Lights up when V irtual CINEMA DSP is active (see page 31). 3 SILENT CINEMA indicator Lights up when headphones are connected and a sound field progr am is sele cted (see page 26).
CONTROLS AND FUNCTIONS 9 INTRODUCTION K 96/24 indicator Lights up when a DTS 96/24 signal is input to this unit. L LFE indicator Lights up when the input signal contains the LFE signal. M Input chann el indicator s/speaker indicato rs Indicate the channe l components of the current digital input signal.
CONTROLS AND FUNCTIONS 10 1 DIGIT AL INPUT jacks See pages 15, 17 and 18 for details. 2 MUL TI CH INPUT jac ks See page 16 for connection information. 3 Video component ja cks See pages 15 and 17 for connection information. 4 XM jack See page 39 for connection information.
SPEAKER SE TU P 11 PREP ARA TION The speaker layout belo w sho ws the standard ITU-R * speaker setting. Y ou can use it to enjoy CINEMA DSP and multi-channel audio sources. * ITU-R is the radio communication sector of the ITU (International T elec ommunication Union).
12 SPEAKER SETUP Be sure to connect the left ch annel (L), right channel (R), “+” (red) and “–” (black) prope rly . If the connections are faulty , no sound will be heard from the speak ers, and if the polarity of the speaker connect ions is incorrect, the sound will be unnatural and lack bass.
13 SPEAKER SE TU P PREP ARA TION ■ FRONT terminals Connect one or two speaker systems (2, 3) to these terminals. If you use only one speaker system, connect it to the FR ONT A or B terminals. ■ CENTER terminals Connect a center spea ker (4) to these terminal s.
CONNECTIONS 14 Do not connect this unit or other components to th e mains power until all connections between components are complete. ■ Cable indication s ■ Analog jac ks Y ou can input analog signals from audio components by connecting audio pin ca ble to the analog jacks on this unit.
15 CONNECTIONS PREP ARA TION ■ Connections f or D VD pla ybac k Be sure to connect your video source compone nts in the same way you conn ect your video monitor to this unit. For e xample, if yo u connect your video monitor to this unit us ing a VIDEO connection, connect your video sour ce components to this unit using the V IDEO connections.
16 CONNECTIONS ■ Connecting to the MUL TI CH INPUT jacks This unit is equipped with 6 additio nal input jacks (left and right FR ONT , CENTER, left and right SURR OUND and SUBWOOFER) for discrete mu lti -channel input from a multi-form at player , external decode r , sound processor or pr e- amplifier .
17 CONNECTIONS PREP ARA TION ■ Connections f or other video components • Be sure to connect your video source compon ents in the same way you connect your vide o monitor to this unit.
18 CONNECTIONS ■ Connections f or audio components VIDEO L AUDIO R VIDEO AUX V L R Game console or video camer a V i de o out Audio out L Audio out R Connecting audio components AUD I O R L IN ( PLA Y ) OUT ( REC ) MD/ CD-R CD DIGIT AL INPUT CD COAXIAL L R L R L R C CD player MD recorder or tape dec k (U .
19 CONNECTIONS PREP ARA TION Both FM and AM indoor antennas ar e included with this unit. In genera l, these anten n as should provi de suf fi ci ent signal strength. Connect each antenna correctly to the designated terminals. ■ Connecting the AM loop antenna 1 Set up the AM loop ante nna , then connect it to the terminals on this unit.
20 CONNECTIONS ■ Connecting the A C power cor d Plug the po wer cord into an A C wall outlet. ■ A C OUTLET(S) (SWITCHED) U.K. and Australia models ...... .. ............ .. ............. . 1 outlet K orea model ............. ........... ..........
21 CONNECTIONS PREP ARA TION If you are using 4 or 6 ohm speakers, set the impedance to 4 or 6 ohms as follows before turning on the power . Be sure this unit is in the standby mode. 1 T urn off the power to th is unit, and while holding do wn STRAIGHT ( EFFECT), press ST ANDBY/ON.
BASIC SETUP 22 The basic setup feature is a useful way to set up your system quickly and with minimal ef fort. y • If you wish to configure the un it manually using more precise adjustments, use the detailed parameters in SOUND MENU (page 56 ) instead of us ing BASIC SETUP.
23 BASIC SETUP PREP ARA TION 7 Press d to display the SPEAKERS parameter . 8 Press j / i to select the number of speakers yo u co nn ected. 9 Press d to display SET/CANCEL. 10 Press j / i to select the desired setting. >SET CANCEL SET T o apply the settings you ch ose in steps 4 through 8.
24 BASIC SETUP ■ T o bala nce the s peaker le vels Perform the follow ing steps af ter step 13 (see page 23). The unit outputs the test tone from the select ed speaker and the left front (or left surround) speaker in turn. The indicator of the speaker cu rre ntly outputting th e test tone flashes in the front panel display .
PLAYBACK 25 BAS I C OPERA TION 1 Press ST ANDBY/ON (or SYSTEM PO WER on the remote control) to turn on the po wer . 2 T urn on the vi deo moni tor connected to this unit. 3 Press SPEAKERS A or B (or press AMP to select the AMP mode , then press SPEAKERS A or B on the re mote control).
26 PLAYBACK 7 Select a sou nd field program if d esired. Press PR OGRAM l / h repeatedly (or pre ss AMP to select the AMP mode, th en pr ess one of the sou nd field program b utto ns on the remote control) to select a sound f ield program. (See page 49 for details about sound fi eld programs.
27 PLAYBACK BAS I C OPERA TION ■ Selecting MUL TI CH INPUT Press MUL TI CH INPUT (or MUL TI CH IN on the remote control) so that “MUL TI CH INPUT” appears in the front panel display . MULTI CH INPUT When “MUL TI CH INPUT” is shown in the front panel display , no other source can be played.
28 PLAYBACK ■ Remote contr ol operation Press AMP to select th e AMP mode, then press one of the sound field program buttons repeatedly to select the desired program.
29 PLAYBACK BAS I C OPERA TION • Some 6.1-channel compatible discs do not ha v e a signal (flag) which this unit can automatically detect. When playing these kinds of discs with 6.1-chan ne l, select a decoder manually (PLIIx Music, EX/ES or EX). • 6.
30 PLAYBACK ■ Listening to high fidelity ster eo sound (Direct Stereo) Direct Stereo allo ws you to b ypass this unit’ s decoders and DSP processors to enjoy pure high fidelity so und from 2- channel PCM and analog sources. Press PROGRAM l / h repeat edl y (or pre ss AMP to select the AMP mode, the n press DIRECT ST .
31 PLAYBACK BAS I C OPERA TION ■ Downmixing to 2 c hannels Y ou can enjoy 2-channel ster eo playback e ven from multi- channel sources. Press PROGRAM l / h repeatedl y (or press AMP to select the AMP mode, then press STEREO on the remote contro l) to select 2ch Stereo.
32 PLAYBACK • When playing a DTS-CD/LD, be sure to set INPUT MODE to DTS. • If the digital output data of the player has been processed in any way , you may not be able to perform DTS decoding e v en if you make a digital connection betw een this unit a nd the player depending on the p layer .
FM/AM TUNING 33 BAS I C OPERA TION There are 2 tuning methods ; automatic and manual. Automatic tuning is ef fecti v e when station signa ls are strong and there is no in terference. ■ A utomatic tuning 1 Rotate INPUT to selec t TUNER as the input source.
34 FM/AM TUNING ■ Manual tuning If the signal from the station you want to select is weak, tune into it manually . Manually tuning into an FM stati on will automatical ly swi tch the tuner to monaural rece ption to increase the signal qualit y .
35 FM/AM TUNING BAS I C OPERA TION 3 Press and hold MEMORY (MAN’L/A UTO FM) for more than 3 seconds. The preset number , the MEMOR Y and A UTO indicators flash. After about 5 seconds, automatic presetting starts from the frequency currently displayed and proceeds to ward the higher frequencies.
36 FM/AM TUNING 4 Press PRESET/TUNING/CH l / h to select a preset station number (1 to 8) while the MEMOR Y indicato r is flashing. Press h to select a higher preset station number . Press l to select a l o wer preset stati on number . 5 Press MEMOR Y (MAN’L/A UTO FM) on the front panel while the M EMOR Y indicator is flashing.
37 FM/AM TUNING BAS I C OPERA TION 2 Press PRESET/TUNING/CH l / h (or PRESET/CH u / d on the remote contr ol) to select a preset station number (1 to 8). The preset group and number appear in the front panel display along with th e station band, frequency and the TUNED indicator lights up.
38 FM/AM TUNING 3 Select preset station “A5” using A/B/C/D/E and PRESET/TUNING/CH l / h . “A5” and the MEMOR Y indi cator flash in the front panel display . 4 Press PRESET/TUNING (EDIT) again. The stations stored at the two pre set assignments are exchanged.
XM SATELLITE RADIO TUNING 39 BAS I C OPERA TION XM Satellite Radio is the satell ite radio service with millions of listeners across the U.S., broadcasting live daily .
40 XM SATELLITE RADIO TUNING ■ Remote contr ol functions The following controls are only av ailable when the unit is in the TUNER mode. T o switch to the T UNER mode, press TUNER to select TUNER as the input source. 1 Numeric buttons (All Channel Sear ch or Category Sear ch mode) Use 1 to 9 and 0 to enter a channel number directly .
41 XM SATELLITE RADIO TUNING BAS I C OPERA TION 3 Press PRESET/TUNING/CH l / h (or PRESET/CH u / d on the remote contr ol) to select channel “0”. Y ou cannot sel ect channel “0” if the “ All Channel Sear ch mode” (see page 42) is not selected.
42 XM SATELLITE RADIO TUNING ■ Switching XM information Y ou can display XM information (such as channel number/name, category , or ar tist name/song title) for the channel currently se le cted in the front panel display .
43 XM SATELLITE RADIO TUNING BAS I C OPERA TION 3 T o change the channel category , press CA TEGOR Y (or A-E/CA T . j / i on the remote control) repeatedly . T o search a ch annel within all channels, press PRESET/TUNING/CH l / h (or PRESET/CH u / d on the remote contro l) repeatedly .
44 XM SATELLITE RADIO TUNING ■ Preset Sear c h mod e Prior to selecting a preset channe l in the Preset Search mode, you should preset XM Sa tellite Radio channels. For details, see “Setting XM Satell ite Radio pres et channels ” on page 45. All preset channe ls (A1 to E8) recalls “001 Previ e w” b y the factory setting .
45 XM SATELLITE RADIO TUNING BAS I C OPERA TION 3 Press the numeric bu ttons to enter the desired channel number . For example, to enter the number 123, press the numeric buttons as sho wn below . The display change s as follows. 4 If yo u enter fewer than three number s, y ou may press ENT .
46 XM SATELLITE RADIO TUNING 3 While the MEMOR Y indicator is flashi ng, press CA TEGOR Y (or A-E/CA T . j / i on the remote control) to select a preset group (A to E). The group letter appears. 4 While the MEMOR Y indicator is flashi ng, press PRESET/TUNING/CH l / h (or PRESET/CH u / d on the remote contr ol) to select a preset number (1 to 8).
47 XM SATELLITE RADIO TUNING BAS I C OPERA TION ■ Status and err or messa ges If an operation takes longer than usual or an error occurs, one of the follo wing messages may appear in the front panel display . In this case, read the caus e and follo w the co rresponding remedies.
RECORDING 48 Recording adjustments a nd other operations are performed from the recording components. Refer to the operating instructions for those components. 1 T urn on the power of th is unit and all connected c om po nents. 2 Select the source component y ou want to record fr om.
SOUND FIELD PROGRAM DESCRIPTIONS 49 SOUND FIELD PROGRAM S This unit is equipped with a variety of precise digital de coders that allo w you to enjoy multi-channel playback from almost any sound sour ce (stereo or mu lti-channel).
50 SOUND FIELD PROGRAM DESCRIPTIONS 4 MOVIE THEATER : Spectacle CINEMA DSP process ing. This program creates the extremel y wide sound field of a 70-mm movie theater. It precisely reproduce s th e sou rc e so und in detail, making both t he video and t he sound field incr edibly real.
51 SOUND FIELD PROGRAM DESCRIPTIONS SOUND FIELD PROGRAM S Y ou can select from the follo wing sound fields when play i ng music sources, like CD, FM /AM broadcasting, tapes, etc. Pro gram selectio n meth od s v ary depending on sou nd field program types.
ADVANCED OPERATIONS 52 Use this feature to automa tic ally set this unit in the standby mode after a certain amount of time. The sleep timer is useful when you are goi ng to sleep while this unit is playing or recording a s ource. The sleep timer also automatically turns of f an y e xternal components connected to A C OUTLET(S).
53 ADVANCED OPERATIONS AD V ANCED OPERA TION Y ou can adjust the output level of each speaker while listening to a music source. This is also possible when playing sources through th e MUL TI CH INPUT jacks. Please note that this operation will o verri de the le v el adjustments made in “B ASIC SETUP” (pa ge 22) and “SP LEVEL” (page 57).
SET MENU 54 Y ou can use the follo wing parameters in SET MENU to adjust a v ari ety of system settings and customize the way this unit operates. Change the ini tial settings (indicated in bold under ea ch parameter) to reflect the needs of your listening en vironment.
55 SET MENU AD V ANCED OPERA TION Use the remote control to acce ss and adjust each parameter . y Y ou can change SET MENU para meters while the unit is reproducing sound . Y ou cannot c hange some SET MENU parameters while the unit is in either cinema or music ni ght listening mode.
56 SET MENU Use to manually adjust any sp ea ker setting or com pensate for video signal processin g delays when using LCD monitors or projectors. Most of the SOUND MENU parameters are set auto ma tically when you perform “B ASIC SETUP” (see page 22).
57 SET MENU AD V ANCED OPERA TION ■ Speaker le vel B )SP LEVEL Use these settings to manua lly balance the level of each speaker selected in SPEAKER SET (page 56). Choices: –10.0 dB to +10.0 dB • FL adjusts the balance of the front left speaker .
58 SET MENU ■ A udio settings G)AUDI O SET Use to customize this units o v erall audio settings. Muting type MUTE TYP. Use to adjust how much the mute function reduces the output volume. Choices: FULL , –20dB • Select FULL to com pletely halt all output of sound.
59 SET MENU AD V ANCED OPERA TION ■ Input mode B)INPUT MOD E Use this feature to designate the inp ut mode for sources connected to the DIGIT AL INPUT jacks when you turn on this unit (see page 31 for de tails about the input mode).
60 SET MENU ■ Zone set D) MULTI ZONE Use to specify the location of speakers connected to the SPEAKERS B terminals. Speaker B setti ng SP B Use this feature to sele ct the lo cation of the front speak e rs connected to the SP EAKERS B terminals.
ADVANCED SETUP MENU 61 AD V ANCED OPERA TION The AD V ANCED SETUP menu is displayed in the front panel display . y • During the adv anced setup procedure, audio ou tpu t is muted. • During the adv anced setup procedure, only the ST ANDBY/ON, STRAIGHT (EFFECT) and PROGRAM l / h bu ttons on the front panel are av ailable for operation.
62 ADVANCED SETUP MENU ■ AD V ANCED SETUP menu items Change the initial settings (indicated in bold under each parameter) to reflect the needs of your listening en vironment. Speaker impedance SP IMP. Use to switch the speaker impedance for this unit.
REMOTE CONTROL FEATURES 63 AD V ANCED OPERA TION In addition to controlling this unit, the remote control can also operate ot her A/V components made by Y AMAHA and other manufacturers. T o contro l other components, you must se t up remote control with the appropriate remote control codes.
64 REMOTE CONTROL FEATURES Y ou can control other components b y setting the appropriate remote control c odes. Codes can be set up for each input area. For a comple te list of a v ailable remote control codes, refer to “LIST OF REMO TE CONTR OL CODES” at the end of this manual.
65 REMOTE CONTROL FEATURES AD V ANCED OPERA TION Once you set the appropriate remote control codes, you can use this remote to c ontrol your other components. Note that so me buttons ma y not correctly operate the selected component. Use the input selector buttons to select the component you wa nt to operate.
66 REMOTE CONTROL FEATURES Y ou can select the unit you want to operate with the remote control by ente ring the library code. 1 Press CODE SET using a ballpoint pen or similar object. The TRANSMIT indicato r on the remo te control flashes twice. 2 Enter the code number “9991” or “9992” (see the table below).
EDITING SOUND FIELD PARAMETERS 67 ADDITIONAL INFORMA TION What really cre ates the rich, full tones of a li v e inst rument are the multiple refl ec tion s from the walls of the room .
68 EDITING SOUND FIELD PARAMETERS 5 Repeat steps 2 through 4 as necessar y to change other program parameters. Y ou cannot change parameter values when “MEMOR Y GU ARD” is set to ON. If you want to ch ange the parameter values, set “MEMOR Y GU ARD” to OFF (see page 59).
SOUND FIELD PARAMETER DESCRIPTIONS 69 ADDITIONAL INFORMA TION Y ou can adjust the values of certain di gital sound field parameters so the sound fi elds are recreated accurately in your listening room. Not all of the following parameters are found in e very pro gram.
70 SOUND FIELD PARAMETER DESCRIPTIONS For 6ch Stereo: Function: These parameters adj ust the v olume le v e l for each channel in 6-channel stereo mode.
TROUBLESHOOTING 71 ADDITIONAL INFORMA TION Refer to the chart belo w when this unit does not function prope rly . If the problem you are e xperiencing is not listed belo w or if the instruction belo w.
72 TROUBLESHOOTING Problem Cause Remedy Ref er to page The sound suddenly goes off. The protec tion circuitry has bee n activ ated because of a short circui t, etc. Check th at the impeda nce selector setting is c orrect. 62 Check th at the speaker wir es are not t ouching each other and then turn th is unit back on.
73 TROUBLESHOOTING ADDITIONAL INFORMA TION Prob lem Cause Remedy Refer to page Dolby Digital or DTS sources cannot be played. (Dolb y Digital or DTS indicator in the front panel display does not light up.) The conne cted component is not set to output Dolby Digital or DTS digital signals.
74 TROUBLESHOOTING ■ T uner ■ Remote contr ol Problem Cause Remedy Refer to page FM FM stereo recepti on is noisy . The c haracteristi cs of FM stereo broadcasts may cause thi s problem when the transm itter is too fa r a w ay or the antenn a input is po or .
RESETTING THE FACTORY PRESETS 75 ADDITIONAL INFORMA TION If you want to reset all of your unit’ s parameters for any reason, do the follo wing. This procedure completely rese ts ALL parameters, inc ludin g the SET MENU, le v el , assign and tuner presets.
GLOSSARY 76 ■ Dolb y Digital Dolby Digital is a d igital surround sound system that gi ves you completely independent mu lti-channel audio. W ith 3 front channels (left, cent er , and right), and 2 surround stereo channels, Dolby Digita l pro vides 5 full- range audio channels.
77 GLOSSARY ADDITIONAL INFORMA TION ■ CINEMA DSP Since the Dolby Surround and DTS systems were originally designed for use in mo vie theaters, their ef fect is best felt in a theat er ha ving man y speakers and designed for acoustic ef fects.
78 GLOSSARY ■ Component video signal W ith the component video si gnal system, the video signal is separated into the Y sign al for the luminance and the P B and P R signals for the chro minance. Color can be reproduced more faithf ully with this system because each of these signals is independe nt.
SPECIFICATIONS 79 ADDITIONAL INFORMA TION A U DIO SECTION • Minimum RMS Output Po wer for Front, Center , Surround, Surround ba ck 20 Hz to 20 kH z, 0.06% THD, 8 Ω ..... ....................... ........... 85 W • Ma ximum Power (EIAJ) [Asia, K orea and Gene ra l models] 1 kHz, 10% THD , 8 Ω .
APPENDIX-i LIST OF REMO TE CONTR OL CODES TV A T AND Y 0941 ABEX 1151 ADMIRA 1141 AD VENTURA 1131 AIKO 1121 AIW A 1481 AKAI 0331, 1101, 1111 ALBA 0431 ALLERON 1091 AMBASSADOR 1081 AMSTRAD 0481, 1081 A.
APPENDIX-ii SONTEC 1001 SONY 0371, 0451, 0661, 0841, 0951, 1281, 1441 SOUNDESIGN 0861, 0961, 10 51, 1091 SOUNDW A VE 1001 SPECTRICON 1161 SQU AREVIEW 0481 SSS 1031, 105 1 ST AR-LITE 1051 SUPREM 0951 S.
APPENDIX-iii MITSUBISHI 0452, 04 62, 0542, 0762, 0952, 1082 MOT OR OLA 0472, 0932 MTC 0922, 0992 MUL TITECH 0852, 09 92 NAD 0442 NEC 0122, 0202, 0292, 0422, 0432, 0542, 0632 NIKKO 0912 NOBLEX 0922 OL .
IMPORTANT SAFETY INSTRUCTIONS i • Explanation of Graphical Symbols The lightning flash with arrowhead symbol, within an equilateral triangle, is in tended to al ert you to the presence of uninsulated “dangerous voltage” within the product’ s enclosure that may be of sufficient magnitude to constitute a risk of electric shock to persons.
YAMAHA ELECTRONICS CORPORATION, USA 6660 ORANGE THORPE AVE., BUENA PARK, CALIF. 90 620, U.S.A. YAMAHA CANADA MUSIC LTD. 135 MILNER A VE., SCARBORO UGH, ONTAR IO M1S 3R1, CAN ADA YAMAHA ELECTRONIK EUROPA G.m.b.H. SIEMENSSTR. 22-34, 2 5462 RELLINGEN BEI HAMB URG, GERMANY YAMAHA ELECTRONIQUE FRANCE S.
An important point after buying a device Yamaha RX-V457 (or even before the purchase) is to read its user manual. We should do this for several simple reasons:
If you have not bought Yamaha RX-V457 yet, this is a good time to familiarize yourself with the basic data on the product. First of all view first pages of the manual, you can find above. You should find there the most important technical data Yamaha RX-V457 - thus you can check whether the hardware meets your expectations. When delving into next pages of the user manual, Yamaha RX-V457 you will learn all the available features of the product, as well as information on its operation. The information that you get Yamaha RX-V457 will certainly help you make a decision on the purchase.
If you already are a holder of Yamaha RX-V457, but have not read the manual yet, you should do it for the reasons described above. You will learn then if you properly used the available features, and whether you have not made any mistakes, which can shorten the lifetime Yamaha RX-V457.
However, one of the most important roles played by the user manual is to help in solving problems with Yamaha RX-V457. Almost always you will find there Troubleshooting, which are the most frequently occurring failures and malfunctions of the device Yamaha RX-V457 along with tips on how to solve them. Even if you fail to solve the problem, the manual will show you a further procedure – contact to the customer service center or the nearest service center
