Sony-STRDG720-rec-sm 电路图 维修手册.pdf

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1、SERVICE MANUAL Published by Sony Techno Create Corporation Sony Corporation Audio rated 95 watts per channel minimum RMS power, with no more than 0.09 % total harmonic distortion from 250 milliwatts to rated output. Amplifi er section Models of area code US, CND 1) Minimum RMS Output Power (8 ohms,

2、20 Hz 20 kHz, THD 0.09%) 95 W + 95 W Stereo Mode Output Power (8 ohms, 1 kHz, THD 1%) 105 W + 105 W Surround Mode Output Power 2) (8 ohms, 1 kHz, THD 10%) 140 W/ch Models of area code AEP 1) Minimum RMS Output Power (8 ohms, 20 Hz 20 kHz, THD 0.09%) 85 W + 85 W Stereo Mode Output Power (8 ohms, 1 kH

3、z, THD 1%) 100 W + 100 W Surround Mode Output Power 2) (8 ohms, 1 kHz, THD 10%) 140 W/ch Models of area code TH Minimum RMS Output Power (8 ohms, 20 Hz 20 kHz, THD 0.09%) 70 W + 70 W 1) 60 W + 60 W 3) Stereo Mode Output Power (8 ohms, 1 kHz, THD 1%) 80 W + 80 W 1) 70 W + 70 W 3) Surround Mode Output

4、 Power 2) (8 ohms, 1 kHz, THD 10%) 120 W/ch 1) 105 W/ch 3) Continued on next page Manufactured under license from Dolby Laboratories. Dolby, Pro Logic, and the double-D symbol are trademarks of Dolby Laboratories. Manufactured under license under U.S. Patent #s: 5,451,942; 5,956,674; 5,974,380; 5,97

5、8,762; 6,226,616; 6,487,535; 7,003,467; 7,212,872 qaqdqfqs 81376542 qgqhqj NameFunction A ?/1 (on/standby) Press to turn the receiver on or off (page 27, 35, 36, 56, 90). B SPEAKERS (OFF/A/B) Press to select the front speaker system (page 28). C TUNING MODE Press or turn to operate the tuner (FM/AM/

6、XM) (page 57, 63). TUNING +/ D DisplayThe current status of the selected component or a list of selectable items appears here (page 7). E Remote sensor Receives signals from remote commander. F DISPLAYPress to select information displayed on the display (page 79). NameFunction G INPUT MODEPress to s

7、elect the input mode when the same components are connected to both digital and analog jacks (page 75). H MASTER VOLUME Turn to adjust the volume level of all speakers at the same time (page 33, 34, 35, 36). I MUTINGPress to turn off the sound temporarily. Press MUTING again to restore the sound (pa

8、ge 34). J ANALOG DIRECT Press to listen to high quality analog sound (page 56). K INPUT SELECTOR Turn to select the input source to play back (page 34, 35, 36, 56, 57, 59, 60, 75, 78, 80). continued 6US NameFunction L 2CHPress to select a sound field (page 51). A.F.D. MOVIE MUSIC M CATEGORY MODE Use

9、d when listening to XM Radio (page 61). CATEGORY +/ N MEMORY/ ENTER Press to store a station or enter the selection when selecting the settings (page 27, 59, 67). O VIDEO 2 IN/ PORTABLE AV IN jacks Connects to a portable audio/ video component such as a camcorder or video game (page 24, 34). P AUTO

10、CAL MIC jack Connects to the supplied optimizer microphone for the Auto Calibration function (page 29). Q PHONES jackConnects to headphones (page 85). 7US Getting Started About the indicators on the display SWLFE SP A SP B LC SLS ;D EX;PLIIx;TACTPOLPDTS-ES 96/24MEMORYST MONOD.RANGECOAXHDMINEO:6 SBSB

11、L R SR SBR 1234567q;9 qaqsqhqfqgqd 8 NameFunction A SWLights up when sub woofer selection is set to “YES” (page 47) and the audio signal is output from the SUB WOOFER jack. B LFELights up when the disc being played back contains an LFE (Low Frequency Effect) channel and the LFE channel signal is act

12、ually being reproduced. C SP A/SP BLights up according to the speaker system used. However, these indicators do not light up if the speaker output is turned off or if headphones are connected. D ; D/ ; D EX “; D” lights up when the receiver is decoding Dolby Digital signals. “; D EX” lights up when

13、the receiver is decoding Dolby Digital Surround EX signals. Note When playing a Dolby Digital format disc, be sure that you have made digital connections and that INPUT MODE is set to “AUTO” (page 75). NameFunction E ; PL/ ; PLII/ ; PLIIx “; PL” lights up when the receiver applies Pro Logic processi

14、ng to 2 channel signals in order to output the center and surround channel signals. “; PLII” lights up when the Pro Logic II Movie/Music/ Game decoder is activated. “; PLIIx” lights up when the Pro Logic IIx Movie/Music/ Game decoder is activated. However, these indicators do not light up if both th

15、e center and surround speakers are set to “NO” (page 40) and you select a sound field using the A.F.D. button. Note Dolby Pro Logic IIx decoding does not function for DTS format signals or for signals with a sampling frequency of more than 48 kHz. F OPTLights up when INPUT MODE is set to “AUTO” and

16、the source signal is a digital signal being input through the OPTICAL jack (page 75). continued 8US NameFunction G DTS/ DTS-ES/ DTS 96/24 “DTS” lights up when the receiver is decoding DTS signals. “DTS-ES” lights up when the receiver is decoding DTS-ES signals. “DTS 96/24” lights up when the receive

17、r is decoding DTS 96/24 (96 kHz/24 bit) signals. Note When playing a DTS format disc, be sure that you have made digital connections and that INPUT MODE is set to “AUTO” (page 75). H CATLights up when category mode is set to “ONE CAT” during XM Radio operation (page 65). I MEMORYLights up when a mem

18、ory function, such as Preset Memory (page 59), etc., is activated. J Tuner indicators Lights up when using the receiver to tune in radio stations (page 57), etc. K Preset station indicators Lights up when using the receiver to tune in radio stations you have preset. For details on presetting radio s

19、tations, see page 58. L D.RANGELights up when dynamic range compression is activated (page 38). M NEO:6Lights up when DTS Neo:6 Cinema/Music decoder is activated (page 52). N COAXLights up when INPUT MODE is set to “AUTO” and the source signal is a digital signal being input through the COAXIAL jack

20、 (page 75). O HDMI Lights up when the receiver recognizes a component connected via an HDMI IN jack (page 20). NameFunction P Playback channel indicators L R C SL SR S SBL SBR SB The letters (L, C, R, etc.) indicate the channels being played back. The boxes around the letters vary to show how the re

21、ceiver downmixes the source sound (based on the speaker settings). Front Left Front Right Center (monaural) Surround Left Surround Right Surround (monaural or the surround components obtained by Pro Logic processing) Surround Back Left Surround Back Right Surround Back (the surround back components

22、obtained by 6.1 channel decoding) Example: Recording format (Front/ Surround): 3/2.1 Output channel: When surround speakers are set to “NO” (page 40) Sound Field: A.F.D. AUTO SW LCR SLSR STR-DG720 6 9US Getting Started Rear panel 3211 65457 AM HDMI XM SAT INDVD INBD INOUT SA-CD/CD/CD-R OUTININ L R Y

23、 PB/ CB PR/ CR DIGITAL(ASSIGNABLE) DMPORT OPTICAL OPTICAL SAT IN DVD IN COAXIAL ANTENNA IN TV TVSUB WOOFER AUDIO IN VIDEO IN SAT MONITORCOMPONENT VIDEO AUDIO IN VIDEO IN AUDIO IN VIDEO IN DVD AUDIO OUT AUDIO OUT VIDEO OUT VIDEO OUT SAT INDVD INVIDEO 1 INMONITOR OUT VIDEO 1 SURROUND BACKSURROUNDCENTE

24、RFRONT B FRONT A LLRLRR SPEAKERS L R DC5V 0.7A MAX ADIGITAL INPUT/OUTPUT section OPTICAL IN jacks Connects to a DVD player, etc. The COAXIAL jack provides a better sound quality (page 22, 23). COAXIAL IN jack HDMI IN/ OUT* jacks Connects to a DVD player, satellite tuner, or a Blu-ray disc player. Th

25、e image is output to a TV or a projector while the sound can be output from a TV or/and speakers connected to this receiver (page 20). BANTENNA section FM ANTENNA jack Connects to the supplied FM wire antenna (aerial) (page 26). AM ANTENNA terminals Connects to the supplied AM loop antenna (aerial)

26、(page 26). XM ANTENNA jack Connects to the XM Mini-Tuner and Home Dock (not supplied) (page 62). CCOMPONENT VIDEO INPUT/ OUTPUT section Y, PB/CB, PR/CR IN/OUT* jacks Connects to a DVD player, TV, satellite tuner, etc. You can enjoy high quality image (page 1723). Green (Y) Blue (PB/CB) Red (PR/CR) c

27、ontinued 11US Getting Started NameFunction A TV ?/1 (on/standby) Press TV ?/1 and TV (M) 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 components that the remote is assigned to operate (page 81). If you press ?/1 (B) at the same time, it

28、will turn off the receiver and other Sony components (SYSTEM STANDBY). Note The function of the AV ?/1 switch changes automatically each time you press the input buttons (C). B ?/1 (on/standby) Press to turn the receiver on or off. To turn off all Sony components, press ?/1 and AV ?/1 (A) at the sam

29、e time (SYSTEM STANDBY). C Input buttons Press one of the buttons to select the component you want to use. When you press any of the input buttons, the receiver turns on. The buttons are factory assigned to control Sony components. You can change the button assignments following the steps in “Changi

30、ng button assignments” on page 81. D 2CHPress to select a sound field. A.F.D. MOVIE MUSIC E THEATERPress to enjoy optimal image suited for movies and to output the sound from the speakers connected to this receiver automatically. Note This button will only function if your TV is compatible with Thea

31、ter Mode. Refer to the operating instructions supplied with the TV for details. NameFunction F DVD/BD MENU Press to display the menu of the DVD or Blu-ray disc on the TV screen. Then, use V,v, B, b and (P) to perform menu operations. AUTO CALPress to activate the Auto Calibration function. G D.TUNIN

32、GPress to enter direct tuning mode. D.SKIPPress to skip a disc when using a multi-disc changer. H AMP MENUPress to display the menu of the receiver. Then, use V, v, B, b and (P) to perform menu operations. I ENTERPress to enter the value after selecting a channel, disc or track using the numeric but

33、tons of the TV, VCR or satellite tuner. MEMORYPress to store a station. J MUTINGPress to turn off the sound temporarily. Press MUTING again to restore the sound. Press MUTING and TV (M) at the same time to activate the TVs muting function. K TV VOL +a)/ Press TV VOL +/ and TV (M) at the same time to

34、 adjust the volume level of the TV. MASTER VOL +a)/ Press to adjust the volume level of all speakers at the same time. L ./b)Press to skip a track of the CD player, DVD player or Blu- ray disc player. REPLAY / ADVANCE Press to replay the previous scene or fast forward the current scene of the VCR, D

35、VD player or Blu-ray disc player. m/Mb)Press to search tracks in the forward/ reverse direction of the DVD player. start fast forward/rewind of the VCR, CD player or Blu- ray disc player. continued 12US NameFunction Ha)b)Press to start playback of the VCR, CD player, DVD player, or Blu-ray disc play

36、er. Xb)Press to pause playback or recording of the VCR, CD player, DVD player or Blu-ray disc player. (Also starts recording with components in recording standby.) xb)Press to stop playback of the VCR, CD player, DVD player or Blu-ray disc player. TV CH +/Press TV CH +/ and TV (M) at the same time t

37、o select preset TV channels. CATEGORY +/ Press to select a category for XM Radio (page 65). PRESET +/Press to select preset stations. preset channels of the VCR or satellite tuner. TUNING +/Press to scan a station. CATEGORY MODE Press to select the category mode for XM Radio (page 65). FM MODEPress

38、to select the FM monaural or stereo reception. M TVPress TV and the button with orange printing at the same time to enable TV operation. N 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 (M) at the same time

39、to display the TVs menu. Then, use V, v, B, b and (P) to perform menu operations. NameFunction O RETURN/ EXIT O Press to return to the previous menu. exit the menu while the menu or on-screen guide of the VCR, DVD player, satellite tuner or Blu-ray disc player is displayed on the TV screen. Press RE

40、TURN/EXIT O and TV (M) at the same time to return to the previous menu or exit the TVs menu while the menu is displayed on the TV screen. P V/v/B/b After pressing DVD/BD MENU (F), AMP MENU (H), or MENU/HOME (N), press V,v,B or b to select the settings. Then, press to enter the selection if you have

41、pressed DVD/BD MENU or MENU/HOME previously. Press also to enter the selection of the receiver, VCR, satellite tuner, CD player, DVD player or Blu- ray disc player. Q DISPLAYPress to select information displayed on the TV screen of the VCR, satellite tuner, CD player, DVD player or Blu- ray disc pla

42、yer. Press DISPLAY and TV (M) at the same time to display TVs information on the TV screen. R TOOLS/ OPTIONS Press to display and select the options of the DVD player or Blu-ray disc player. Press TOOLS/OPTIONS and TV (M) at the same time to display the options applicable to the Sony TV. 10US * You

43、can watch the selected 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-AAU021 Remote Commander to operate the receiver and to control the Sony audio/video components that the remote is assigned to operate (page 81). DSPEAKERS

44、section Connects to the speakers (page 15). EAUDIO INPUT/OUTPUT section AUDIO IN/ OUT jacks Connects to a Super Audio CD player, CD recorder, etc. (page 18). AUDIO OUT jack Connects to a sub woofer (page 15). FVIDEO/AUDIO INPUT/OUTPUT section AUDIO IN/ OUT jacks Connects to a VCR, DVD player, etc. (

45、page 1724). VIDEO IN/ OUT* jacks GDMPORT DMPORT jack Connects to a DIGITAL MEDIA PORT adapter (page 77). White (L) Red (R) Black White (L) Red (R) Yellow Remote commander 123 46 78 0/10ENTER 9 SYSTEM STANDBY TV INPUT SLEEPDMPORT VIDEO1VIDEO2BDDVD 2CHA.F.D. TV CH PRESET TV CH + PRESET + TUNING TV TUN

46、ING + FM MODE MOVIEMUSIC AMP MENU CLEAR DISPLAYMUTING TV VOL MASTER VOL DVD/BD MENU AUTO CAL D.TUNING D.SKIP THEATER SATTVSA-CD/CDTUNER ?/1 . HMm Xx 5 10 REPLAY ADVANCE CATEGORY + CATEGORY MODE MEMORY O RETURN/EXIT qg qj qk qh ql w; wa qd 1 3 2 5 6 7 8 q; 9 qs qa 4 qf TV?/1 AV?/1 TOOLS/ OPTIONS MENU

47、/HOME STR-DG720 7 AEP, Thai model 13US Getting Started a)The number 5, MASTER VOL +, TV VOL +, and H buttons have tactile dots. Use the tactile dots as references when operating the receiver. b)This button is also available for DIGITAL MEDIA PORT adapter operation. For details on the function of the

48、 button, refer to the operating instructions supplied with the DIGITAL MEDIA PORT adapter. Notes Some functions explained in this section may not work depending on the model. The above explanation is intended to serve as an example only. Therefore, depending on the component, the above operation may

49、 not be possible or may operate differently than described. NameFunction SzPress to input the decimal point for channel numbers of the Digital CATV terminal. Press z and TV (M) at the same time to input the decimal point for the channel numbers of the TV. 10Press to select track numbers over 10 of the CD player. CLEARPress to clear a mistake when you press the incorrect numeric button. T Numeric buttons (number 5a) Press to preset/tune to preset stations. select track numbers of the CD player, DVD player or Blu-ray disc player. Press 0/10 to sel