SonyメーカーSTR-DG720の使用説明書/サービス説明書
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©2008 Sony Corporation 3-283-372- 42 (1) Multi Channel A V Receiver Operating Instructions STR-DG720.
2 GB T o reduce the risk of fire or electric shock, do not expose this apparatus to rain or moisture . To prevent fire, do not cover the ventilation of the apparatus with n ewspapers, table -cloths, curtains, etc. And don’t place lighted candles on the apparatus.
3 GB About This Manual • The instructions in this manual are for model STR-DG720. Chec k your model number by looking at the lower right co rner of the front panel. In this manual, models of area code CEL is used for illustration purp oses unless stated otherwise.
4 GB T able of Contents Getting Star ted Description and location of parts .... ............ ... 5 1: Installing the speakers .......... ........... ........ 14 2: Connecting the speakers ........... ......... ...... 15 3: Connecting the TV ........ .
5 GB Getting Started Description and location of parts Getting Started Front panel ?/1 AUTO CAL MIC SPEAKERS (OFF/A/B) PHONES VIDEO 2 IN/PORT ABLE A V IN VIDEO L AUDIO R MEMORY/ ENTER SUR BACK DECODING DIMMER SLEEP TUNING 2CH A.
6 GB Name Function L 2CH Press to select a sound field (page 51). A.F .D . MO VIE MUSIC M SUR BA CK DECODING Press to select the surround back decoding mode (page 43). N SLEEP Press to activate the Sleep Timer function and the duration which the receive r turns off automa tically (page 72).
7 GB Getting Started About the indicators on the display SW LFE SP A SP B LC SL S ; D EX ; PLIIx ; PL OPT DTS -ES 96/24 MEMORY RDS ST MONO D.RANGE COAX HDMI NEO:6 SB SBL R SR SBR 1 2 3 4 5 6 7 9 8 q; .
8 GB Name Function G DTS/ DTS-ES/ DTS 96/24 “DTS” lights up when the receiver is de coding DTS signals. “DTS-ES” lights up when the receiver is de coding DTS-ES signals. “DTS 96/24” lights up when the receiver is decoding DTS 96/24 (96 kHz/24 bit) signals.
9 GB Getting Started Rear panel 6 55 74 3 2 11 HDMI SAT IN DVD IN BD IN OUT SA-CD / CD / CD-R OUT IN IN L R Y P B / C B P R / C R DIGIT AL (ASSIGNABLE) DMPORT OPTICAL OPTICAL SAT IN DVD IN COAXIAL IN .
10 GB * Y ou can watch the select ed input image when you connect the MONITOR OUT or HDMI OUT jack to a TV or projector (page 17). You can use the supplied RM-AAU023 Remote Commander to ope rate the receiver and to control the Sony audio/video components that the remote is assigned to operate (page 74).
11 GB Getting Started Name Function A TV ? / 1 (on/standby) Press TV ? / 1 and TV ( O ) at the same time to turn the TV on or off. AV ? / 1 (on/standby) Press to turn on or off the Sony audio/video compon ents that the remote is assigned to operate (page 74).
12 GB Name Function M MENU/HOME Press to display the menu of the VCR, DVD player, satellite tuner or Blu-ray disc player on the TV screen. Press MENU/HOME and TV ( O ) at the same time to display the TV’s menu. Then, use V , v , B , b and ( Q ) to perform menu operations.
13 GB Getting Started a) The number 5, TV V OL +, MAS TER V OL + an d H buttons ha ve tactile dots. Use the tactile dots as references when operating the receiver .
14 GB 1: Installing the speakers This receiv er allo ws you to use a 7.1 channel system (7 speakers and one sub woofer). To fully enjoy theater-li ke multi channel surround sound requires five speakers (two front speakers, a cent er speaker, and two surround speakers) and a sub woofer (5.
15 GB Getting Started 2: Connecting the speakers Before connecting the cords, be sure to disconnect the AC power cord (mains le ad). A Front speaker A (left) B Front speaker A (right) C Center speaker.
16 GB a) If you have an additional front speaker system, connect them to the SPEAKERS FRONT B terminals. You can select the front speakers you want to use with SPEAKE RS (OFF/A/B) on the front panel (page 28). b) If you connect on ly one surroun d back speaker, connect it to the SPEAKERS SURROUND BACK L terminals.
17 GB Getting Started 3: Connecting the TV You can watch the select ed input image when you connect the HDMI OUT or MONITOR OUT jack to a TV. It is not necessary to connect all th e cords. Connect audio and video cords according to the jacks of your components.
18 GB Notes • Be sure to turn on the receiver when the video and audio signals of a playback component are being output to a TV via the receiver. Unless the power is turned on, neither video nor audio signals will be transmitted. • When conne cting optical digital cords, insert the plugs straight in until they click into plac e.
19 GB Getting Started 4b: Connecting the video components This section describes how to connect your video components to this receiver. Before you begin, refer to “Compone nt to be connected” below for the pages wh ich describe how to connect each component.
20 GB HDMI is the abbreviated name for High - Definition Multimedia In terface. It is an interface wh ich transmits video and audio signals in digital forma t. Notes • Be sure to change the factory setting of the DVD input button on the remote so that you can use the button to control your DVD player.
21 GB Getting Started HDMI features • A digital audio signal transmitted by HDMI can be output from the speakers connect to this receiv er . This signal supports Dolby Digital, DTS, and Linear PCM. • This receiv er supports xvYCC transmission. • This receiv er supports the Control for HDMI function.
22 GB The following illustr ation shows how to connect a DVD player. It is not necessary to connect all the cords. Connect audio and video cords according to the jacks of your components. Notes • Be sure to change the factory setting of the DVD input button on the remote so that you can use the button to control your DVD player.
23 GB Getting Started The following illustration shows how to connect a satellite t uner or a set-top box. It is not necessary to connect all th e cords. Connect audio and video cords according to the jacks of your components. Notes • Whe n connecting optical di gital cords, insert the plugs straight in until they click into pla ce.
24 GB The following illustr ation shows how to connect a component wh ich has an alog jacks such as a DVD rec order, VCR, etc. It is not necessary to connect all the cords.
25 GB Getting Started Notes • Be sure to change the factory setting of the VIDEO 1 input button on th e remote so that you can use the button to cont rol your DVD recorde r. For details, see “Chang ing button assignments” (page 7 4). • You can also rename the VID EO 1 input so that it can be displayed on the recei ver’s display.
26 GB 5: Connecting the antennas (aerials) Connect the supplied AM loop antenna (aerial) and FM wire antenna (aer ial). Before connecting the antennas, be sure to disconnect the AC power cord (mains lead). * The shape of the co nnector varies dependin g on the area code of this receiv er .
27 GB Getting Started 6: Preparing the receiver and the remote Connect the AC power cord (mains lead) to a wall outlet. Before using the receiver for the first time, initialize t he receiv er by performing the following procedure. Th is procedure can also be used to return sett ings you have made to their factory defaults.
28 GB Insert two R6 (size-AA) batteries in the RM-AAU023 Remote Commander. Observe the correct polarity when installing batteries. Notes • Do not leave the remote in an extremely hot or humid place. • Do not use a new battery with old ones. • Do not mix manganese batteries and other kinds o f batteries.
29 GB Getting Started 8: Calibrating the appropriate settings automatically (AUTO CALIBRA TION) The DCAC (Digital Cinema Auto Calibrati on) function allows you to perform automatic calibration such as: • Checking the connect ion between each speaker and the rec ei ver .
30 GB 1 Press AMP MENU. 2 Press AUTO CAL. Measurement starts in 5 seconds and the display changes as follo ws: A.CAL [5] t A.CAL [4] t A.CAL [3] t A.CAL [2] t A.CAL [1] While the time is c ounting down , stand aw ay from the measu rement area to a v oid measurement error .
31 GB Getting Started Tips • When Auto Calibration starts: – Stand some distance from the speakers and the listening position to av oid measurement failure. This is because test si gnals are output from the speakers during measurement. – A void making noise to ge t a more accurate measurement.
32 GB T o c hange the settings manuall y 1 Record down the warning code. 2 Pres s . 3 Pres s ? / 1 to turn off the recei v er . 4 Follow the solution provi ded in the “W arning codes and solutions” below . 5 Tu rn on the recei v er and perform Auto Calibration again (page 30).
33 GB Getting Started 9: Adjusting the speaker levels and balance (TEST TONE) You can adjust the speaker levels and balance while listening to the test tone from your listening position. Tip The receiver employs a test tone with a freq uency centere d at 800 Hz.
34 GB Selecting a component 1 Press the input but ton to select a component. You can also use INPUT SELECTOR on the receiver. The selected input ap pears on the display. * “VIDEO 2/PORTABLE AV” and “SA-CD/ CD/CD-R” scroll across the display, then “VIDEO 2” and “SA-CD/CD” appe ar respectively.
35 GB Pl ay b ack Listening/W atching a component Listening to a Super Audio CD/CD 123 46 78 0/10 ENTER 9 SYSTEM STANDBY TV INPUT SLEEP DMPORT VIDEO1 VIDEO2 BD DVD 2CH A.
36 GB Watching a DVD/Blu-ray disc ?/1 AUTO CAL MIC SPEAKERS (OFF/A/B) PHONES VIDEO 2 IN/PORTABLE A V IN VIDEO L AUDIO R MEMORY/ ENTER SUR BACK DECODING DIMMER SLEEP TUNING 2CH A.
37 GB Amplifier Operations Navigating through menus By using the amplifier menus, you can make various adjustments t o customize the receiver. 1 Press AMP MENU. “1-LEVEL” appears on the display. 2 Press V / v repeatedly t o select the menu you want.
38 GB The follo wing option s are av ai lable in each menu. For details o n navig ating through menus, see page 37. Overview of the menus Menu [Displa y] Par a m e t er s [Display] Settings Initial setting LEVEL [1-LEVEL] (page 41) Test tone a) [T. TONE] T.
39 GB Amplifier Operations Menu [Display] Par a m e t er s [Displa y] Settings Initial setting TUNER [4-TUNER] (page 44) FM station receiving mode a) [FM MODE] FM AUTO, FM MO NO FM AUTO Naming preset stations a) [NAME IN] For details, see “Naming preset stations” (page 60).
40 GB a) For details, refer to the page in the parentheses. b) You can only select this parameter when the surround ba ck speakers are set to “SINGLE”. c) You can only select this parameter when th e surround ba ck speak ers are set to “DUAL”.
41 GB Amplifier Operations Adjusting the level (LEVEL menu) You can use the LEVE L menu to adjust the balance and level of each speaker. The se settings are applied to all sound fields.
42 GB Adjusting the equalizer (EQ menu) You can use the EQ menu to adjust the tonal quality (bass/treble level) of the fro nt speakers. Select “2-EQ” in the amplifi er menus. For details on adjusting the parameters, see “Navigating through menus” (page 37) and “Overview of the menus” (page 38).
43 GB Amplifier Operations By decoding the surround back signal of D VD software (etc.) recorded in Dolb y Digital Surround EX, DTS-ES Matrix, DTS-ES Discrete 6.1, etc., format, you can enjo y the surround sound intended by the f ilmmakers. Select the surround back decoding mode using “SB DEC” on the SUR menu (page 42).
44 GB Notes • There may be no sound from the surround back speaker in Dolby Digital EX mode. Some discs have no Dolby Digital Surrou nd EX flag even though the packages have Dolby Digital EX logos. In this case, select “SB ON”. • You can select the surround back decoding mode only when A.
45 GB Amplifier Operations Settings for the audio (AUDIO menu) You can use the AUDIO menu to make settings for the audio to suit your preferen ce. Select “5-AUDIO” in the amplifier m enus. For details on adjusting the para meters, see “Navigating through menus” (page 37) and “Overview of the menus” (page 38).
46 GB Settings for the video (VIDEO menu) Y ou can use the VIDEO menu to make v arious adjustments for HDMI and to name inputs. Select “6-VIDEO” in the a mplifier menus. F or details on adjusting the parameters, see “Navig ating through menus ” (page 37) and “Overvie w o f the menus ” (page 38).
47 GB Amplifier Operations Settings for the system (SYSTEM menu) You can use the SYSTEM menu to set t he size and distance of the spea kers connected to this system. Select “7-SYSTEM” in the amplifier menus. For details on adjusting the parameters, see “Navigating through menus” (page 37) and “Overview of the menus” (page 38).
48 GB x SB SPK (Surround bac k speaker s) When the surround speakers are set to “NO”, the surround back speakers are also automatically set to “NO” and the setti ng cannot be changed. •N O If you hav e not connected a surround back speaker , select “NO”.
49 GB Amplifier Operations x SBR DIST . (Surr ound bac k right speaker distance ) b) Lets you set the distance from your listening position to the surround back speakers. a) You can only select th is parameter when the surround back speakers are set to “ SINGLE” in SYSTEM menu.
50 GB Tip Surround speaker position is designed specifically for implementation of the CINE MA STUD IO EX modes. For other sound fi elds, speaker position is not so critical.
51 GB Enjoying Surround Sound Enjoying Dolby Digital and DTS Surround sound (AUTO FORMA T DIRECT) The Auto Format Direct (A.F.D.) mode allows you to listen to higher fide lity sound and select the decoding mode for listening to a 2 channel stereo sound as multi channel sound.
52 GB Types of A.F.D. mode * You cannot select this decoding m ode if the surround back spea kers are set to “NO”. A.F .D. mode [Displa y] Multi channel audio after decoding Effect A.F.D. AUTO [A.F.D. AUTO ] (Detecting automatically) Presents the sound as it wa s recorded/encoded without adding any surround effects.
53 GB Enjoying Surround Sound If you connect a sub woofer This receive r will ge nerate a low frequency signal for output to the sub woofer when there is no LFE signal, which is a low-pass soun d effect output from a sub woofer to a 2 channel signal.
54 GB Types of sound field available * You can only select this sound field if the headphones are connected to the receiver. Sound field for Sound field [Displa y] Effect Movie CINEMA STUDIO EX A DCS [C.ST.EX A] Reproduces the sound characteristics of the Sony Pictures Entertainment “Cary Grant Theater” cinema production studio.
55 GB Enjoying Surround Sound Notes • The effects provided by the virtual speakers may cause increased noise in the playback signal. • When listening with sound fields that employ the virtual speakers, you will not be able to hear any sound coming directly fro m the surround speakers.
56 GB Listening to the sound without any adjustment (ANALOG DIRECT) You can switch the audio of the selected input to two channel analog input. This function enables you to enjoy high quality analog sources. When using this function, only the volume and front speaker balanc e can be adjusted.
57 GB T uner Operations Listening to FM/AM radio You can listen to FM and AM broadcasts through the built-in tune r. Before operation, make sure you have connected the FM and AM antennas (aerials) to the receiv er (page 26). Tip The tuning scale for direct tuning differs depending on the area code as shown in the following table.
58 GB Enter the frequency of a statio n directly by using the numeric buttons. 1 Press TUNER repeatedly to select the FM or AM band. You can also use INPUT SELECTOR on the receiver. 2 Press D.TUNING. 3 Press the numeric buttons t o enter the frequency .
59 GB T uner Operations 3 Press MEMORY. You can also use MEMORY/ENTER on the receiver. “MEMORY” lights up for a few seconds. Perform steps 4 an d 5 before “MEMORY” goes out. 4 Press the numeric buttons to select a preset number. You can also press PRESET + or PRESET – to select a preset number.
60 GB 1 Press TUNER repeatedly to select the FM or AM band. You can also use INPUT SELECTOR on the receiver. 2 Tune in the preset station you want to create a n index name for (page 59). 3 Press AMP MENU. “1-LEVEL” appears on the display. 4 Press V / v repeatedly to sel ect “4-TUNER”.
61 GB T uner Operations Using the Radio Data System (RDS) (Models of area code CEL, CEK only) This receiver also allows you to use RDS (Radio Data System ), which enables radio stations to send addi tional information along with the regular progr am signal.
62 GB Using the Control for HDMI function for “BRA VIA” Sync To use “BRAVIA” Sync, set the Control for HDMI function as explained below. By connecting Sony components that are compatible with .
63 GB Control f or HDMI Before connecting the cords, be sure to disconnect the AC power cord (mains le ad). T o enjo y TV m ulti c hannel surro und sound br oadcasting You can listen to TV mu lti channel surround sound broadcasting from the speakers connected to the receiver.
64 GB Preparing Control for HDMI function This receiver supports the Control for HDMI- Easy Setting function. This function is only available for certain types of TV. When you perform the Control for HDMI-Easy Setting from the TV, the Control for HDMI set ting on this re ceiver will automatically change accordingly.
65 GB Control f or HDMI 1 Press AMP MENU. “1-LEVEL” appears on the display . 2 Press V / v repeatedly t o select “6-VIDEO”. 3 Press or b to enter the menu. 4 Press V / v repeatedly t o select “CONTROL FOR HDMI”. “CONTROL FOR HDMI” scrolls across the display, then “CONTROL” appears.
66 GB Enjoying the TV sound from the speakers connected to the receiver (System Audio Control) You can enjoy the TV sound from the speakers connected to the receiver by a simple operation. You can operate Syst em Audio Control function using the TV me nu.
67 GB Control f or HDMI T urning off the receiver with the TV (System Power Off) When you turn the TV off by u sing the POWER button on the TV’s remote, the receiver and the connected components turn off automatically. You can also use the receiver’s remote to turn off the TV.
68 GB Switching between digital and analog audio (INPUT MODE) When you connect components to both digital and analog audio input ja cks on the receiver, you can fix the audio input mode to either of them, or switch from one to the other, depending on the type of material you intend to watch.
69 GB Other Operatio ns 8 Press V / v repeatedly t o select the input (“SAT- DVD” in the example) you wan t to assign t o the digital audio input jack selected in st ep 6. When “DVD” input is selected, the sound of the DVD player will become a digital sound through the OPTICAL SAT IN jack.
70 GB Y ou can listen to the sound and view the images from the component connected through the DIGIT AL MEDIA POR T adapter to the DMPOR T jack on the receiv er . To detach the DIGITAL MEDIA PORT adapter from DMPORT jack Press and hold both sides of the connector and then pull out the connector.
71 GB Other Operatio ns 1 Press DMPORT. You can also use the INPUT SELECTOR on the receiver to select “DMPORT” . 2 Start playback of the connected component. The sound is played back o n the receiver and the image appears on the TV. For details, refer to the operating instructions supplie d with the DIGITAL MEDIA PORT adapter.
72 GB Changing the display You can check the sound field, etc., by changing the information on the d isplay. Be sure to use the buttons on the receiver for this operation. Press DISPLAY repeatedly. Each time yo u press the b utton, the displ ay changes cyclically as follows.
73 GB Other Operatio ns Recording using the receiver You can record from an audio/video component using the receiver. Refer to the operating instructions supplied with your recording component. You can record onto a CD-R using the receiver. Refer to the operating instructions supplied with your CD recorder.
74 GB Changing button assignments You can change the fa ctory settings of the input buttons to suit the components in your system. For example, if you connect a DVD recorder to the VIDEO 1 jacks on the receiver, you can set the VIDEO 1 button on this remote to control the DVD recorder.
75 GB Using the Remo te/Additional Information Glossary x Cinema Studio EX A surround sound mode that can be regarded as the compilation of Digital Cinema Sound technology, delivers the sound of a dub bing theater using three te chnologies: “Virtual Multi Dimensi ons”, “Screen Depth Matching”, and “Cinema Studio Reverberation”.
76 GB x Dolby Pr o Logic IIx Technology for 7.1 channel (or 6.1 channel) playback. Along with audio encoded in Dolby Digital Surround EX, 5.1 channel Dolby Digital encoded audio can be reproduced in 7.1 channel (or 6.1 channel). Furthermore, existing stereo recorded content can also be reproduced in 7.
77 GB Additional Inf ormation Precautions On safety Should any solid object or liquid fall into the cabinet, unplug the rece iver and have it checked by qualified personnel before operating it any further. On power sources • Before operating the receiv er , check that the operating v oltage is identical with your local power supply .
78 GB T roubleshooting If you experience any of the following difficulties while usi ng the receiver, use this troubleshooting guide to help you remedy the problem. Au d i o There is no soun d, no matter wh ich component is selected, or only a very low-level sound is heard.
79 GB Additional Inf ormation There is no sound, o r only a very low- level sound is hear d from the center/ surround/ surround bac k speakers. • Select a CINEMA STUDI O EX mode (page 54). • Adjust the speaker level (page 33). • Make sure the center/surround speakers are set to either “SMALL ” or “LARGE” (page 40).
80 GB HDMI The source sound in put to the HDMI jack on the receiver is not output from the receiver or the TV speaker. • Check the HDMI connection. • You cannot listen to the Super Audio CD by connecting HDMI. • Depending on the playback component, you may need to set up the component.
81 GB Additional Inf ormation Tuner The FM reception is poor. • Use a 75-ohm coaxial cable (not supplied) to connect the receiver to an outdoor FM antenna (aerial) as shown below. If you connect the receiver to an outdoor antenna (aerial), ground it ag ainst lightning .
82 GB Error messages If there is a malfunction, the display shows a message. You can check the condition of the system by the message. Re fer to the following table to solve the problem.
83 GB Additional Inf ormation Frequency response Analog 10 Hz – 70 kHz +0.5/–2 dB (with sound field and equalizer bypassed) Inputs Analog Sensitivit y: 500 mV/ 50 kohms S/N 4) : 96 dB (A, 500 mV 5.
Sony Corporation Printed in M alaysia (1) Index Numerics 2 channel 55 2CH STEREO 55 5.1 channel 14 7.1 channel 14 A A UTO CALIBRA TION 29 A UT O FORMA T DIRECT (A.
デバイスSony STR-DG720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：
Sony STR-DG720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Sony STR-DG720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。Sony STR-DG720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。Sony STR-DG720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。
Sony STR-DG720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Sony STR-DG720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、Sony STR-DG720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Sony STR-DG720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。
