IONメーカーRX-V750の使用説明書/サービス説明書
ページ先へ移動 of 91
YAMAHA ELECTRONICS CORPORATION, USA 6660 ORANGETHO RPE AVE., BUEN A PARK, CALIF. 90620, U.S.A. YAMAHA CANADA MUSIC LTD. 135 MILNER AVE., SCAR BOROUGH, ONTARIO M1S 3R1, CAN ADA YAMAHA ELECTRONIK EUROPA G.m.b.H. SIEMENSSTR. 22-34, 25462 RE LLINGEN BEI HAMBURG , F.
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 from direct sunlight, heat sources, vibration, dust, moisture, and/or co ld.
1 English PREP ARA TION INTRODUCTION BAS I C OPERA TION SOUND FIELD PROGRAM S AD V ANCED OPERA TION ADDITIONAL INFORMA TION FEATU RES ........ ............ .......... ............ .......... ......... 2 GETTING STARTED ... .......... ............ ....
FEATURES 2 Built-in 7-channel power amplifier ◆ Minimum RMS output po wer (0.06% THD, 20 Hz – 20 kHz, 8 Ω ) Front: 100 W + 100 W Center: 100 W Surround: 100 W + 100 W Surround back: 100 W + 100 .
GETTING STARTED 3 English INTRODUCTION Please check t hat you recei ved all of the following parts. 1 Press the part and slide the battery compartment cover off. 2 Inser t four supplied batteries (AAA, R03, UM-4) accor ding to the polarity m arkings (+ and –) on the inside 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 English INTRODUCTION 8 TUNING MODE (A UT O/MAN’L MON O) (RX-V750) Switches the tuning mode between automatic (A UTO indicator on) and manual (A UTO indicator of f). 9 VIDEO A U X jac ks Input audio and video signal s from a portable external source such as a game c onsole.
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 65. 1 Infrared windo w Outputs infrared control signals.
CONTROLS AND FUNCTIONS 7 English INTRODUCTION F MUL TI CH IN Selects MUL TI CH INPUT when using an ex ternal decoder (etc.). G SELECT k / n Selects another component that you can co ntrol independently of the input co mponent selected with the input selector buttons.
CONTROLS AND FUNCTIONS 8 The remote c ontrol transmits a directional infrared beam. Be sure to aim the remote control directly at the remote control sensor on the main unit during operation. ■ Handling the remote contr ol • Do not spill w ater or ot her liquids on the remote control.
CONTROLS AND FUNCTIONS 9 English INTRODUCTION 1 Decoder indicator s When any of this u nit’ s decode rs function, the respecti v e indicator lights up. 2 SILENT CINEMA indicator Lights up when headphones ar e connected and a sound field pro gram is selected (see page 32).
CONTROLS AND FUNCTIONS 10 I Multi-inf ormation disp lay Show s the current sound fiel d pr ogram name and other information when adjusting or changing settings. J OPTIMIZER indicator Lights up during the auto setup pr ocedure and when the auto setup speaker setti ngs are used without any modifications.
CONTROLS AND FUNCTIONS 11 English INTRODUCTION 1 DIGIT AL INPUT jacks See pages 17, 19 and 20 for details. 2 A udio component jac ks See page 20 for connection information. 3 Video component jac ks See pages 17 and 19 for connection information. 4 Antenna terminals See page 22 for connection information.
SPEAKER SETUP 12 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. Fr ont speaker s (FR and FL) The front speakers are used fo r the main source sound plus effect sounds.
13 English SPEAKER SE TUP PREP ARA TION Be sure to connect the lef t channel (L), right channel (R), “+” (red) and “–” (black) properly . If the connections are faulty , no sound will be heard from the speakers, and if the polarity of the speaker connect ions is incorrect, the sound will be unnatural and lack bass.
14 SPEAKER SETUP FRONT SUB WOOFER FRONT A B CENTER PRE OUT SURROUND SURROUND BACK PRESENCE /ZONE 2 SPEAKERS SURROUND CENTER SURROUND BACK 23 1 6 7 10 9 8 4 5 Subwoofer system Center speaker Fron t spe.
15 English SPEAKER SE TUP PREP ARA TION ■ FRONT terminals Connect one or two speak er systems to these terminals. If you use only one speaker system , connect it to either the FR ONT A or B terminals. ■ CENTER terminals Connect a center speak er to these terminals.
CONNECTIONS 16 Do not connect this unit or other components to the mains power until all connections between components are complete. ■ Cable indication s ■ Analog jac ks Y ou can input analog signals from audio components b y connecting audio pin ca ble to the analog jacks on this unit.
17 English CONNECTIONS PREP ARA TION ■ Connections f or D VD pla yback Connecting video components AUDIO DVD DVD COAXIAL DVD VIDEO VIDEO S VIDEO MONITOR OUT DVD COMPONENT VIDEO P R P B Y VIDEO S VID.
18 CONNECTIONS ■ Connecting to the MUL TI CH INPUT jacks This unit is equipped with 8 additional input jacks (left and right FR ONT, CENT ER, left and right SURR OUND, left and right SURR OUND B A CK and SUB WOOFER) for discrete mul ti-channel input from a multi -format player , external decoder , sound processor or pre-amplif ier .
19 English CONNECTIONS PREP ARA TION ■ Connections f or other video components ■ VIDEO A UX jacks (on the fr ont panel) Use these jacks to connect an y video source, such as a game console or video camer a, to this uni t.
20 CONNECTIONS ■ Connections f or audio components ■ Connecting a turntab le PHONO jacks are for connecting a turntable with an MM or high-output MC cartridge. If you hav e a turntable with a low-output MC cartridge, use an in-line boosting transformer or MC-head ampl ifier when con necting to these jacks.
21 English CONNECTIONS PREP ARA TION ■ Connecting to an ext ernal amplifier If you want to increase the power output to the speakers, or want to use another ampl if ier , connect an external amplifi er to the PRE OUT jacks as follow s.
22 CONNECTIONS Both AM and FM indoor antennas are included with this unit. In general, these ante nnas should pr ovide suf ficient signal strength. Connect ea ch antenna correctly to the designated terminals. ■ Connecting the AM loop ant enna 1 Set up the AM loop ante nna, then connect it to the terminals on this unit.
23 English CONNECTIONS PREP ARA TION ■ 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 OUTL ET K orea model .......... ...........
24 CONNECTIONS ■ IMPED ANCE SELECT O R switc h Do not change the setting of the IMPED ANCE SELECTOR switch when the unit power is switched on, as doing so may damage the unit.
25 English CONNECTIONS PREP ARA TION When all connec tions are complete, turn on the po wer of this unit. 1 Press ST ANDBY/ON (SYSTEM PO WER on the remote control) to turn on the power of th is unit. 2 T urn on the video moni tor connected to this unit.
AUTO SETUP 26 This receiv er employs Y AMAHA Parametric Room Acoustic Optimize r (YP A O) technology which lets you av oid troublesome listening-based speak er setup and achiev es highly accu rate sound adjustments. The supplied optimizer microphone collects and analyzes the sound your speakers produce in y our actual listening en vironment.
27 English AUTO SETUP PREP ARA TION For best results, make sure th e room is as quiet as possible during the auto setup proced ure (YP A O). If there is too much ambient noise, the results may not be satisf actory .
28 AUTO SETUP 8 Use the cursor b uttons to display the results. • Press u / d to display information about indi vidual results. • Press j / i to switch betwe en each result list. 9 When finish ed, press SEL ECT. The RESUL T:EXIT screen appears. 10 Press u / d to select SET or CANCEL.
29 English AUTO SETUP PREP ARA TION ■ If a warning screen appear s 1 Press j / i to display detailed inf ormation about each warning. For detail s about each message, see page 30. y W arnings let you know about potential problems detected during auto setup.
30 AUTO SETUP ■ T roublesho oting for au to setup pr ocedure Before auto setup Error s during auto setup Press SELECT to display detailed info rmation about indi vidual errors. Press j / i to switch between error messages. W arnings after auto setup Press j / i to display detailed information about indi vidual warnings.
PLAYBACK 31 English BAS I C OPERA TION 1 Press ST ANDBY/ON (SYSTEM PO WER on the remote control) to turn on the po wer . 2 T urn on the video moni tor connected to this unit. 3 Press SPEAKERS A or B on the front panel. Each press turns the respectiv e speakers on or of f.
32 PLAYBACK 7 Select a sou nd field program if desired. Use PR OGRAM (or press AMP to select the AMP mode, then press one of the so und fi eld program buttons repeatedly) to se lect a sound field program. See page 48 for details a bout sound field programs.
33 English PLAYBACK BAS I C OPERA TION ■ Selecting MUL T I CH INPUT Press MUL TI CH INPUT so that “MUL TI CH INPUT” appears in the front panel display and video monito r . MULTI CH INPUT When “MUL TI CH INPUT” is shown in the front panel display , no other source can be played.
34 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. The name of the selected pr ogram appears in the front panel display . y Choose a sound f ield program based on yo ur listening pref erence, and not on th e name of the program.
35 English PLAYBACK BAS I C OPERA TION • Some 6.1-channel compatible discs do not ha ve a signal (flag) which this unit can automatically detect. When playing these kinds of discs with 6.1-channel, select a decoder (PLIIx Movie, PLIIx Music , EX/ES or EX) m anually .
36 PLAYBACK ■ Listening to high fidelity ster eo sound (PURE DIRECT) PURE DIRECT allows you to bypass this unit’ s decoders and DSP processors, and turn of f th e video circuitry and front panel display to enjoy pure high fi delity sound from analog and PCM sources.
37 English PLAYBACK BAS I C OPERA TION ■ Downmixing to 2 c hannels Y ou can enjoy 2-channel stereo playback e ven from multi- channel sources. Rotate PROGRAM (or press STEREO on the remote control) to select 2ch Stereo. 2ch Stereo y Y ou can use a subwoofer with this program when SWFR or BO TH is selected in “BASS OUT”.
38 PLAYBACK • When you play DTS-encoded CD/L Ds with the input mode set to A UTO: – This unit automatically switc hes to the DTS decoding mode. The unit remains in DTS mode (and the t indicator may flash) for up to 30 seconds after playback of the DTS source is complete.
TUNING (RX-V750) 39 English BAS I C OPERA TION There are 2 tuning methods ; automatic and manual. Automatic tuning is ef fecti ve when station signals are strong and there is no in terference. ■ A utomatic tuning 1 Rotate INPUT to selec t TUNER as the input source.
40 TUNING (RX-V750) ■ 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 switch the tuner to monaural re ception to increase the signal qualit y .
41 English TUNING (RX-V750) 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.
42 TUNING (RX-V750) 4 Press PRESET/TUNING l / h to select a preset station number (1 through 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 station n umber . 5 Press MEMOR Y (MAN’L/A UTO FM) on the front panel while the M EMOR Y indicator is flashing.
43 English TUNING (RX-V750) BAS I C OPERA TION Y ou can e xchange the assignmen t of tw o preset stations with each other . The exam ple below describes the procedure for exchanging pres et station “E1” with “A5”. 1 Select pres et station “E1 ” using A/B/ C/D/E and PRESET/TUNING l / h .
44 TUNING (RX-V750) RDS (Radio Data System) is a data transmission system used by FM stations in ma n y countries. The RDS function is carried out among the network stations.
45 English TUNING (RX-V750) BAS I C OPERA TION If you select the desired program type, this unit automatically se arches all preset RDS stations that ar e broadcasting a program of the requ ired type. y When performing this operation with the remote control, first press TUNER to set the remote to tuner mode .
46 TUNING (RX-V750) This function uses the E ON data service on the RDS station network. If you select the desired program type (NEWS, INFO, AFF AIRS or SPOR T), this unit automatically searches for a.
RECORDING 47 English BAS I C OPERA TION 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 o f this unit and all connected components.
SOUND FIELD PROGRAM DESCRIPTIONS 48 This unit is equipped with a variety of precise d igital de coders that allow you to enjo y multichannel playback from almost any sound source (stereo or multi-channel).
49 English SOUND FIELD PROGRAM DESCRIPTIONS SOUND FIELD PROGRAM S DOLBY DIGITAL : SUR. STANDARD Standard 5.1 -channel processin g for Dolby Digi tal sour ces. MUL TI DOLBY DIGITAL : SUR. ENHANCED CINEMA DSP enh anced proce ssing for Dol by Digital source s.
50 SOUND FIELD PROGRAM DESCRIPTIONS * Y ou can selec t either Pro Logic IIx or Pro Logic II proc essing usi ng the PLII /PLIIx para meter on page 7 8. PRO LOGIC : SUR. STANDARD Standard pr ocessing f or Dolby Surroun d sources . 2-CH PRO LOGIC : SUR. ENHANCED CINEMA DSP e nhanced pr ecessing for Dolby Su rround sour ces.
51 English SOUND FIELD PROGRAM DESCRIPTIONS SOUND FIELD PROGRAM S Y ou can select from the follo wing sound f ields when playi ng music sources, like CD, FM /AM broadcasting, tapes, etc. * Y ou ca n select either Pr o Logic IIx or Pro Logic II processing using the P LII/PLIIx parameter on page 78.
ADVANCED OPERATIONS 52 Y ou can display this unit’ s operating information on a video monitor . If you disp lay the SET MENU and sou nd field progr am parameter settings on a monitor , it is much easier to see the a v ailable option s and parameters than it is by reading this informati on on the front panel display .
53 English ADVANCED OPERATIONS AD V ANCED OPERA TION ■ Canceling th e sleep timer Press SLEEP repeat edly until “SLEEP OFF” appears in the front panel display .
54 ADVANCED OPERATIONS Y ou can use the test tone feature to manually balance your speaker le ve ls. Please note that this operation will o verride the le vel adjustme nts made in “A UTO SETUP” (page 26), “SPEAKER LEVEL” (page 59) and “Manually adjusting speaker le v els” (page 53).
SET MENU 55 English AD V ANCED OPERA TION Y ou can use the f ollowing parameters in SET MENU to adjust a v ariety of system settings and customize the w ay this unit operates. Change the initial settings (indicated in bold under each parameter) to reflect the needs of your listenin g en vironment.
56 SET MENU Use the remote control to access an d adjust each parameter . y Y ou can change SET MENU parameters while the unit is reproducing sou nd. Y ou cannot change some SET MENU parameter s while the unit is in either cinema or music night listening mode.
57 English SET MENU AD V ANCED OPERA TION Use to manually adjust an y speaker setti ng or compensate for video signal processing delays when using LCD monitors or projectors. Most of the SOUND MENU parameters are set automatica lly when you run auto setup (see page 26).
58 SET MENU Surround bac k speakers SURR B L/R SP Choices: NONE, SMLx1, SMLx2 , LRGx1, LRGx2 • Select NONE if you do not hav e a surround back speaker . The unit directs all of the surround back channel signal to the surround left and right speakers.
59 English SET MENU AD V ANCED OPERA TION Subw oofer phase SUBWOOFER PHASE If bass sounds are lacking or unclear , use this feature to switch the phase of your subw oofer . Choices: NORMAL (normal), REVERSE (reverse) • Select NORMAL if you do not want to rev erse the phase of your subwoofer .
60 SET MENU ■ Center graphic equalizer D)CE NTER GEQ Use this feature to adjust the built-in 5-band graphic equalizer for the center channel so that the tonal quality of the center speak er matches that of the front speak ers. Y ou can mak e adjustments l istening to the cu rrently selected source compone nt or a test tone.
61 English SET MENU AD V ANCED OPERA TION Dialog lift DIALG.LIFT Use to turn on and off the DIALG.LIFT pa rameter (see page 78). This parameter adjust s the height of the front and center channel sounds (d ialog, vocals , etc.) b y assigning some of the front and cent er channel elem ents to the presence speakers.
62 SET MENU For CO AXIAL INPUT jacks 5 and 6 Choices: TUNER (DSP-AX750SE), CD, V -A UX, DTV/CBL, VCR 1, MD/CD-R, D VD, PHONO, D VR/VCR2 • Y ou cannot select a specific ite m more than on ce for the same type of jack.
63 English SET MENU AD V ANCED OPERA TION Use to adjust the optional system param eters. ■ Display set A)DISPLAY SET Dimmer DIMMER Use to adjust the brightness of the front panel display . Choices: –4 to 0 Video con ver sion V CONV. Use this feature to turn on/off con version of composite (VIDEO) signals to both S-V ideo and component signals.
64 SET MENU ■ Pa rameter initialization C)PARAM. INI Use this feature to initialize the param eters for each sound fie ld program within a sound fiel d program group. When you initialize a sound fiel d program group, all of the parameter valu es within that group rev ert to th eir initial settings.
REMOTE CONTROL FEATURES 65 English 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 set up remote control with the appropriate manufacturer codes.
66 REMOTE CONTROL FEATURES Y ou can control oth er components by setting the appropriate manufacturer co de s. Codes can be set up for each input area. The following table sho ws th e factory preset component (Library: component category ) and the manufacturer code for each area.
67 English REMOTE CONTROL FEATURES AD V ANCED OPERA TION 4 Press one of the buttons shaded belo w to see if you can contr ol y our component. If y ou can, the manufacturer code is correct. y • If the man ufacturer of your componen t has more than one codes, try each of them until you find the correct one.
68 REMOTE CONTROL FEATURES Once you set the appropriate manufacturer codes, you can use this remote to control your other components. Note that some b uttons ma y not correctly operate the se lected component. Use the input select or b uttons to select the component you want to operate.
69 English REMOTE CONTROL FEATURES AD V ANCED OPERA TION If you want to program function s not included in the basic operations co vered by the manuf acturer code, or an appropriate manufacturer code is not av ailable, do the follo wing. Y ou can program any of the b uttons a vailable in the component control area (see page 65).
70 REMOTE CONTROL FEATURES • “NG” appears in the display window if programming was unsuccessful. In this case, start over from step 5. • This remote control can learn approximately 120 fu nctions. Howe v er depending on the si gnals learned, “FULL” may appear in the display before you pr ogram 120 functions.
71 English REMOTE CONTROL FEATURES AD V ANCED OPERA TION Y ou can clear all chang es made in each function set, such as learned functions, rename d source names and setup manufacturer codes. 1 Press CLEAR by using a ballp oint pen or similar object. y Complete each of the follo wing steps in 30 seconds.
72 REMOTE CONTROL FEATURES ■ Clearing a learned functi on Y ou can clear the func tion learned in a certain programmed button in each area. 1 Press an input selector button to select the sour ce component containi ng the function you w ant to c lear .
EDITING SOUND FIELD PARAMETERS 73 English ADDITIONAL INFORMA TION What really cre ates the rich, full tones of a li v e instrument are the multiple refl ections from the wa lls of the room.
74 EDITING SOUND FIELD PARAMETERS 4 Press u / d to select the parameters. 5 Press j / i to change the parameter value. When you set a p arameter to a value other than the factory-set v alue, an asterisk mark (*) appe ars by the parameter name on the front panel display .
SOUND FIELD PARAMETER DESCRIPTIONS 75 English ADDITIONAL INFORMA TION Y ou can adjust the values of certain di gital sound field par ameters 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.
76 SOUND FIELD PARAMETER DESCRIPTIONS ■ LIVENESS Function: This paramete r adjusts the reflecti vity o f the virtual walls in the hall b y chan ging the rate a t which th e early reflec tions decay .
77 English SOUND FIELD PARAMETER DESCRIPTIONS ADDITIONAL INFORMA TION ■ REV .TIME (Reverberation time) Function: This parameter adjusts the am ount of time it tak es for the dense, subsequent rev erberation sound to decay by 60 dB (at 1 kHz). This changes the appa rent size of the acoustic environment o ver an extremely wide range.
78 SOUND FIELD PARAMETER DESCRIPTIONS ■ DIALG.LIFT (Dialog lift) Function: This parameter adjusts the hei ght of the front and center channel s ounds by assigning some of the fro nt and center cha nnel elements to the presence spe akers. Description: The larger the parame ter , the higher the position of the front and center ch annel sound.
TROUBLESHOOTING 79 English ADDITIONAL INFORMA TION Refer to the chart belo w when this unit does not function prope rly . If the problem you are experiencing is not listed below or if the instruction .
80 TROUBLESHOOTING Problem Cause Remedy Refer to page The sound suddenly goes off. The protec tion circuit ry has been acti v ated because of a short cir cuit, etc. Check th at the impe dance selec tor setti ng is correct . 24 Check th at the speaker wi res are no t touching each other and then turn t his unit back on.
81 English 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 on the front panel display does not light up.) The conne cted compon ent is not set to output Dolby Digital or DTS digital signals.
82 TROUBLESHOOTING ■ T uner (RX-V750) Problem Cause Remedy Refer to page There is noise interference from digital or high- frequency equipment, or this unit. This unit is too cl ose to the digit al or high- frequency equip ment. Move this unit furt her away from such eq uipment.
83 English TROUBLESHOOTING ADDITIONAL INFORMA TION ■ Remote contr ol Prob lem Cause Remedy Refer to page The remote con trol does not work nor function properly . Wrong distan ce or angle. The remote control will function wit hin a maximum range of 6 m (20 ft) an d no more tha n 30 degrees off- axis from the front panel.
RESETTING THE FACTORY PRE SETS 84 If you want to reset all of your unit’ s parameters for any reason, do the follo wing. This procedure completely reset s ALL parameters, including th e SET MENU, lev el, assign and tuner presets. Be sure this unit is in standb y mode.
GLOSSARY 85 English ADDITIONAL INFORMA TION ■ Dolby Digital Dolby Digital is a digital surround sound system that giv es you completely independent mu lti-channel audio. W ith 3 front channels (left, center , and right), and 2 surround stereo channels, Dolb y Digita l pro vides 5 full-range audio channels.
86 GLOSSARY ■ CINEMA DSP Since the Dolby Surround and DTS systems were originally designed for use in movie theaters, their effect is best felt in a theater ha vi ng many speak ers and designed for acoustic effects.
87 English GLOSSARY ADDITIONAL INFORMA TION ■ Component video signal W ith the component video signal system, the video signal is separated into the Y signa l for the luminance and the P B and P R signals for the chromi nance. Co lor can be reproduced more faithfully with this system because each of these signals is indepen d ent.
SPECIFICATIONS 88 A UDIO SECTION • Mi nimum RMS Ou tput Power for Front, Center, Surround, Surround ba ck 20 Hz to 20 kHz, 0.06% THD, 8 Ω .. ....................... ............ 100 W • Maximum Power (EIAJ) [China, Korea and Gene ral model s] 1 kHz, 10% THD, 8 Ω .
YAMAHA ELECTRONICS CORPORATION, USA 6660 ORANGETHO RPE AVE., BUEN A PARK, CALIF. 90620, U.S.A. YAMAHA CANADA MUSIC LTD. 135 MILNER AVE., SCAR BOROUGH, ONTARIO M1S 3R1, CAN ADA YAMAHA ELECTRONIK EUROPA G.m.b.H. SIEMENSSTR. 22-34, 25462 RE LLINGEN BEI HAMBURG , F.
デバイスION RX-V750の購入後に（又は購入する前であっても）重要なポイントは、説明書をよく読むことです。その単純な理由はいくつかあります：
ION RX-V750をまだ購入していないなら、この製品の基本情報を理解する良い機会です。まずは上にある説明書の最初のページをご覧ください。そこにはION RX-V750の技術情報の概要が記載されているはずです。デバイスがあなたのニーズを満たすかどうかは、ここで確認しましょう。ION RX-V750の取扱説明書の次のページをよく読むことにより、製品の全機能やその取り扱いに関する情報を知ることができます。ION RX-V750で得られた情報は、きっとあなたの購入の決断を手助けしてくれることでしょう。
ION RX-V750を既にお持ちだが、まだ読んでいない場合は、上記の理由によりそれを行うべきです。そうすることにより機能を適切に使用しているか、又はION RX-V750の不適切な取り扱いによりその寿命を短くする危険を犯していないかどうかを知ることができます。
ですが、ユーザガイドが果たす重要な役割の一つは、ION RX-V750に関する問題の解決を支援することです。そこにはほとんどの場合、トラブルシューティング、すなわちION RX-V750デバイスで最もよく起こりうる故障・不良とそれらの対処法についてのアドバイスを見つけることができるはずです。たとえ問題を解決できなかった場合でも、説明書にはカスタマー・サービスセンター又は最寄りのサービスセンターへの問い合わせ先等、次の対処法についての指示があるはずです。
