Sony-STRDG900-rec-sm 电路图 维修手册.pdf

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1、1 SERVICE MANUALCanadian Model STR-DG900 MULTI CHANNEL AV RECEIVER Amplifier section Power Output Stereo Power Output 1), Reference Power Output 1) 2) 8 ohms 20 Hz 20 kHz, THD 0.09 % 100 W + 100 W, 110 W/ch 8 ohms 1 kHz, THD 0.7 % 110 W + 110 W, 120 W/ch 8 ohms 1 kHz, THD 10 % 125 W + 125 W, 150 W/c

2、h 1) Measured under the following conditions: Area codePower requirements 120 V AC, 60 Hz 2) Reference power output for front, center, surround and surround back. Depending on the sound field settings and the source, there may be no sound output. Frequency response Analog10 Hz 70 kHz, +0.5/2 dB (wit

3、h sound field and equalizer bypassed) SPECIFICATIONS Inputs AnalogSensitivity: 500 mV/ 50 kohms S/N 3) : 96 dB (A, 500 mV 4) ) Digital (Coaxial)Impedance: 75 ohms S/N: 100 dB (A, 20 kHz LPF) Digital (Optical)S/N: 100 dB (A, 20 kHz LPF) Output (Analog) AUDIO OUTVoltage: 500 mV/10 kohms SUB WOOFERVolt

4、age: 2 V/1 kohm Equalizer Gain levels10 dB, 1 dB step 3) INPUT SHORT (with sound field and equalizer bypassed). 4) Weighted network, input level. Ver. 1.0 2006. 05 9-887-260-01 2006E04-1 2006. 05 Sony Corporation Home Audio Division Published by Sony Techno Create Corporation Manufactured under lice

5、nse from Dolby Laboratories. “Dolby”, “Pro Logic”, “Surround EX”, and the double-D symbol are trademarks of Dolby Laboratories. “DTS”, “DTS-ES”, “Neo:6”, and “DTS 96/24” are trademarks of Digital Theater Systems, Inc. This receiver incorporates High-Definition Multimedia Interface (HDMITM) technolog

6、y. HDMI, the HDMI logo and High-Definition Multimedia Interface are trademarks or registered trademarks of HDMI Licensing LLC. XM is a registered trademark of XM Satellite Radio Inc. Continued on next page Photo: Silver type RadioFans.CN 收音机爱 好者资料库 2 STR-DG900 FM tuner section Tuning range87.5 108.0

7、 MHz Intermediate frequency10.7 MHz Useable sensitivity11.2 dBf, 1 V/75 ohms S/N Mono/Stereo:76 dB/70 dB Harmonic distortion at 1 kHz Mono/Stereo:0.3%/0.5% Separation45 dB at 1 kHz Frequency response30 Hz 15 kHz, +0.5/2 dB AM tuner section Tuning range With 10-kHz tuning scale: 530 1,710 kHz 5) With

8、 9-kHz tuning scale:531 1,710 kHz 5) Intermediate frequency450 kHz Usable sensitivity50 dB/m (at 1,000 kHz or 999 kHz) 5) You can change the AM tuning scale to 9 kHz or 10 kHz. After tuning in any AM station, turn off the receiver. While holding down CATEGORY or CATEGORY +, press ?/ 1. All preset st

9、ations will be erased when you change the tuning scale. To reset the scale to 10 kHz (or 9 kHz), repeat the procedure. Video section Inputs/Outputs Video:1 Vp-p, 75 ohms S-video:Y: 1 Vp-p, 75 ohms C: 0.286 Vp-p, 75 ohms COMPONENT VIDEO:Y: 1 Vp-p, 75 ohms PB/CB/B-Y: 0.7 Vp-p/ 75 ohms PR/CR/R-Y: 0.7 V

10、p-p/ 75 ohms 80 MHz HD Pass Through General Power requirements Area codePower requirements 120 V AC, 60 Hz Power consumption Area codePower consumption 360 VA Power consumption (during standby mode) 0.3 W AC outlets Area codeAC outlets 2 switched, 120 W/1A MAX Dimensions (w/h/d) (Approx.) 430 157.5

11、351.5 mm (16 7/8 6 2/8 13 7/8 inches) including projecting parts and controls Mass (Approx.)11.0 kg (24 lb 5 oz) Supplied accessories FM wire antenna (1) AM loop antenna (1) Remote commander RM-AAL002 (1) R6 (size-AA) batteries (2) Optimizer microphone ECM-AC2 (1) Design and specifications are subje

12、ct to change without notice. RadioFans.CN 收音机爱 好者资料库 3 STR-DG900 SAFETY-RELATED COMPONENT WARNING! COMPONENTS IDENTIFIED BY MARK 0 OR DOTTED LINE WITH MARK 0 ON THE SCHEMATIC DIAGRAMS AND IN THE PARTS LIST ARE CRITICAL TO SAFE OPERATION. REPLACE THESE COMPONENTS WITH SONY PARTS WHOSE PART NUMBERS AP

13、PEAR AS SHOWN IN THIS MANUAL OR IN SUPPLEMENTS PUBLISHED BY SONY. ATTENTION AU COMPOSANT AYANT RAPPORT LA SCURIT! LES COMPOSANTS IDENTIFIS PAR UNE MARQUE 0 SUR LES DIAGRAMMES SCHMATIQUES ET LA LISTE DES PICES SONT CRITIQUES POUR LA SCURIT DE FONCTIONNEMENT. NE REMPLACER CES COMPOSANTS QUE PAR DES PI

14、CES SONY DONT LES NUMROS SONT DONNS DANS CE MANUEL OU DANS LES SUPPLMENTS PUBLIS PAR SONY. MODEL IDENTIFICATION BACK PANEL Part No. MODELPART No. CND2-666-932-9s Abbreviation CND: Canadian model ASSIGNABLE (INPUT ONLY) DVD IN COAXIAL SA-CD/ CD IN OPTICAL VIDEO 1 IN TV/SAT IN MD/ TAPE IN MD/ TAPE OUT

15、 SIGNAL GND DIGITAL XM ANTENNA AM TV/SAT AUDIO IN VIDEO IN S-VIDEO IN DVD AUDIO IN VIDEO IN S-VIDEO IN R L AUDIO VIDEO V PHONO IN SA-CD/CD L R L R MULTI CH IN OUTIN L R FRONTSURROUND L R SURR BACKIN MD/TAPE ASSIGNABLE IN 1 IN 2 MONITOR OUT HDMI CN5003 JIG (J-2501-299-A) NOTE OF HANDLING THE HDMI RE

16、BOARD (Part No. A-1193-890-A) When the HDMI RE board is replaced by a repair for a fee, throw away the HDMI RE board after obtaining consent of not returning of the HDMI RE board to the customer. When throwing away the HDMI RE board, be sure to throw away after destroying IC5004 and IC5005 physicall

17、y with the hammer etc. UPDATE OF SOFTWARE OF THE HDMI CONTROLLER (IC5006) Connect: Procedure: 1.Connect CN5003 on the HDMI RE Board with Jig (part no.: J- 2501-299-A) by using FFC. Connect Jig Board with PC by using RS232 cross cable. 2.Set the SW5002 of Jig Board HIGH side. 3.Activate SPECIAL MENU

18、MODE by pressing ?/1 button to turn on the main power while holding TUNING MODE and INPUT MODE button. The message “SPECIALIZED” appears. 4.Use TONE +/- knob to select HDMI UPDATE OFF in SPECIAL menu. Change “HDMI UPDATE OFF” to “HDMI UPDATE ON” by using TUNING +/- knob. 5.Push reset switch (SW5001)

19、 of the jig. 6.Boot the “FlashSta.exe” of update application distributed with the manual. 7.Select “Baud rate=19200” and “Program_intervals=40”. 8.Select “Select Program=Internal flash memory” and “RS232C=using com port”. 9.Click “Refer” and select mot file. Set “ID=FF FF FF FF FF FF FF”. 10. Select

20、 “MCU Type=M16C/20 62”. 11. Click “E.P.R” to start update software. 12. To check the HDMI controller software version, use TONE +/- knob to select HDMI VER X.XX in SPECIAL menu. RadioFans.CN 收音机爱 好者资料库 4 STR-DG900 TABLE OF CONTENTS 1. GENERAL Description and location of parts. 5 2. DISASSEMBLY 2-1.

21、Case . 8 2-2. Front Panel Section . 9 2-3. Back Panel Section. 9 2-4. DIGITAL Board . 10 2-5. MAIN Board Section . 10 2-6. STANDBY Board . 11 3. TEST MODE. 12 4. DIAGRAMS 4-1. Block Diagram Tuner/Audio Section . 13 4-2. Block Diagram Digital Section . 14 4-3. Block Diagram Video Section . 15 4-4. Bl

22、ock Diagram HDMI Section . 16 4-5. Block Diagram XM Section . 17 4-6. Block Diagram Key/Display Section . 18 4-7. Block Diagram Power Section . 19 4-8. Circuit Boards Location . 20 4-9. Printed Wiring Board Main Section . 21 4-10. Schematic Diagram Main Section (1/4) . 22 4-11. Schematic Diagram Mai

23、n Section (2/4) . 23 4-12. Schematic Diagram Main Section (3/4) . 24 4-13. Schematic Diagram Main Section (4/4) . 25 4-14. Printed Wiring Board Digital Section (1/2) . 26 4-15. Printed Wiring Board Digital Section (2/2) . 27 4-16. Schematic Diagram Digital Section (1/5) . 28 4-17. Schematic Diagram

24、Digital Section (2/5) . 29 4-18. Schematic Diagram Digital Section (3/5) . 30 4-19. Schematic Diagram Digital Section (4/5) . 31 4-20. Schematic Diagram Digital Section (5/5) . 32 4-21. Printed Wiring Boards Front A/B Speaker Section . 33 4-22. Schematic Diagram Front A/B Speaker Section . 34 4-23.

25、Printed Wiring Board Video Section (1/2) . 35 4-24. Printed Wiring Board Video Section (2/2) . 36 4-25. Schematic Diagram Video Section (1/2) . 37 4-26. Schematic Diagram Video Section (2/2) . 38 4-27. Printed Wiring Board Video (Audio) Section . 39 4-28. Schematic Diagram Video (Audio) Section . 39

26、 4-29. Printed Wiring Board S-video Section . 40 4-30. Schematic Diagram S-video Section . 40 4-31. Printed Wiring Board HDMI Section (1/2) . 41 4-32. Printed Wiring Boards HDMI Section (2/2) . 42 4-33. Schematic Diagram HDMI Section (1/2) . 43 4-34. Schematic Diagram HDMI Section (2/2) . 44 4-35. P

27、rinted Wiring Board XM Section . 45 4-36. Schematic Diagram XM Section . 46 4-37. Printed Wiring Boards Panel Section . 47 4-38. Schematic Diagram Panel Section . 48 4-39. Printed Wiring Board Display Section . 49 4-40. Schematic Diagram Display Section . 50 4-41. Printed Wiring Board Power Section

28、. 51 4-42. Schematic Diagram Power Section . 52 5. EXPLODED VIEWS 5-1. Case Section . 68 5-2. Front Panel Section . 69 5-3. Back Panel Section. 70 5-4. Chassis Section . 71 6. ELECTRICAL PARTS LIST. 72 5 STR-DG900 SECTION 1 GENERALThis section is extracted from instruction manual. 5US Getting Starte

29、d Description and location of parts To remove the cover Press PUSH. When you remove the cover, keep it out of reach from children. Getting Started Front panel ?/1 AUTO CAL MIC SPEAKERS (OFF/A/B/A+B) PHONES MEMORY/ ENTER CATEGORY MODE CATEGORY +2CHA.F.D.MOVIEMUSIC MULTI CHANNEL DECODING TUNING MODEDI

30、SPLAYINPUT MODE TUNINGINPUT SELECTOR + TONE MODE TONE+ MULTI CH IN/ DIRECT HDMI MASTER VOLUME PUSH 17qaq;qs9 qdqfwfqgqhqlwswdqjwa w;qk 246 VIDEO 3 IN/PORTABLE AV IN VIDEOS-VIDEOL AUDIO RDIGITAL(OPT) 853 NameFunction A?/1Press to turn the receiver on or off (page 32, 41, 42, 66, 101). BSPEAKERS (OFF/

31、A/B/A+B) Press to select OFF, A, B, A+B of the front speakers (page 34). CTONE MODEPress to select Equalizer mode (page 46). DTONE +/Turn to adjust the EQUALIZER menu parameters (page 46, 51). ETUNING MODEPress to select the tuning mode (page 70, 101). FTUNING +/Turn to scan a station (page 67, 69).

32、 continued 6US GDisplayThe current status of the selected component or a list of selectable items appears here (page 7). HMULTI CHANNEL DECODING lamp Lights up when multi channel audio is decoded (page 42). IRemote sensorReceives signals from remote commander. JDISPLAYPress to select information dis

33、played on the display (page 82). KINPUT MODEPress to select the input mode when the same components are connected to both digital and analog jacks (page 77). LMASTER VOLUME Turn to adjust the volume level of all speakers at the same time (page 39, 40, 41, 42). MHDMIPress to select input at the compo

34、nent connected to HDMI jack (page 29). NMULTI CH IN/ DIRECT Press to select the audio directly from the components connected to the MULTI CH IN jacks (page 39). listen to high quality analog sound (page 65). OINPUT SELECTOR Turn to select the input source to playback (page 39, 41, 42, 65, 67, 70, 77

35、, 81, 83). PMOVIE, MUSIC Press to select sound fields for movie or music (page 62). QA.F.D.Press to select A.F.D. mode (page 60). R2CHPress to select 2CH STEREO mode (page 65, 66). NameFunctionNameFunction SCATEGORY +/Press to select a category (page 74). TCATEGORY MODE Press to select the category

36、mode (page 73). UMEMORY/ ENTER Press to store a station or enter the selection when selecting the settings (page 32). VVIDEO 3 IN/ PORTABLE AV IN jacks To connect a camcorder or video game (page 28, 40). WPHONES jackConnects to a headphone (page 97). XAUTO CAL MIC jack Connects to the supplied ECM-A

37、C2 optimizer microphone for the Auto Calibration function (page 35). 7US Getting Started About the indicators on the display LCR SL SW SSR SBRSBL SB LFESLEEPMULTI CH IN SP.A SP.B A.DIRECT HDMI EQ D.RANGEDTS-ESCAT OPT COAX MONOMEMORY ;PL IIx1296/24NEO:6D.ASSIGNSTEREO ;DIGITAL EX waqf qgw;qlqkqjqh 1 2

38、345 6789q; qa qsqd NameFunction A SWLights up when sub woofer selection is set to “YES” (page 48) 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 actually being reprod

39、uced. 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 a headphone is connected. D A.DIRECTLights up when ANALOG DIRECT is selected (page 65). E HDMI 12Lights up when a playback component or a playback comp

40、onent and TV monitor is connected to this receiver using an HDMI jack (page 80). F EQLights up when the equalizer is activated (page 46). G D.RANGELights up when dynamic range compression is activated (page 46). NameFunction H ;DIGITAL (EX) Lights up when Dolby Digital signals are input. “; DIGITAL

41、EX” lights up when Dolby Digital Surround EX signals are decoded. Note When playing a Dolby Digital format disc, be sure that you have made digital connections and that INPUT MODE is not set to “ANALOG FIXED” (page 77). I DTS (-ES)/ (96/24) Lights up when DTS signals are input. “DTS-ES” lights up wh

42、en DTS-ES signals are input. “DTS 96/24” lights up when the receiver is decoding DTS 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 not set to “ANALOG FIXED” (page 77). J CATLights up when you select category mode to

43、“ONE CAT”. For details on presetting XM Radio station, see page 75. K OPTLights up when INPUT MODE is set to “AUTO 2CH” and the source signal is a digital signal being input through the OPTICAL jack, or when INPUT MODE is set to “OPT FIXED” (page 77). continued 8US NameFunction L COAXLights up when INPUT MODE is set to “AUTO 2CH” and the source signal is a digital signal being input through the COAXIAL jack, or when INPUT MODE is set to “COAX FIXED” (page 77). M ME