Sony-STRDG920-rec-sm 电路图 维修手册.pdf

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1、SERVICE MANUAL Sony Corporation Audio Business Group Published by Sony Techno Create Corporation STR-DA2400ES/DG920 SPECIFICATIONS MULTI CHANNEL AV RECEIVER 9-889-131-01 2008E05- 1 2008.05 US Model STR-DA2400ES/DG920 Canadian Model STR-DG920 AEP Model UK Model STR-DA2400ES Ver. 1.0 2008.05 Photo: ST

2、R- DA2400ESPhoto: STR- DG920 This receiver incorporates Dolby* Digital and Pro Logic Surround and the DTS* Digital Surround System. * Manufactured under license from Dolby Laboratories. Dolby, Pro Logic, Surround Ex, and the double-D symbol are trade- marks of Dolby Laboratories. * Manufactured unde

3、r license under U.S. Patent #s: 5,451,942; 5,956,674; 5,974,380; 5,978,762; 6,226,616; 6,487,535 rated 100 watts per channel minimum RMS power, with no more than 0.09% total harmonic distortion from 250 milliwatts to rated output. Amplifi er section (DA2400ES: US) Power Output Rated Power Output at

4、Stereo Mode1) (8 ohms 20 Hz 20 kHz, THD 0.09%): 100 W + 100 W Reference Power Output at Stereo Mode (4 ohms 20 Hz 20 kHz, THD 0.15%): 85 W + 85 W Reference Power Output (8 ohms 1 kHz, THD 0.7%) FRONT2): 110 W + 110 W CENTER2): 110 W SURROUND2): 110 W + 110 W SUR BACK2): 110 W + 110 W Reference Power

5、 Output (4 ohms 1 kHz, THD 0.7%) FRONT2): 100 W + 100 W CENTER2): 100 W SURROUND2): 100 W + 100 W SUR BACK2): 100 W + 100 W 1) Measured under the following conditions: 120 V AC, 60 Hz 2) Depending on the sound fi eld settings and the source, there may be no sound output. Amplifi er section (DA2400ES

6、: AEP, ECE, UK) Power Output Models of area code CEL, CEK, ECE Rated Power Output at Stereo Mode1) (8 ohms 20 Hz 20 kHz, THD 0.09%): 100 W + 100 W Reference Power Output at Stereo Mode (4 ohms 20 Hz 20 kHz, THD 0.15%): 85 W + 85 W Reference Power Output (8 ohms 1 kHz, THD 0.7%) FRONT2): 110 W + 110

7、W CENTER2): 110 W SURROUND2): 110 W + 110 W SUR BACK2): 110 W + 110 W Reference Power Output (4 ohms 1 kHz, THD 0.7%) FRONT2): 100 W + 100 W CENTER2): 100 W SURROUND2): 100 W + 100 W SUR BACK2): 100 W + 100 W 1) Measured under the following conditions: Area code Power requirements CEL, CEK, ECE 230

8、V AC, 50 Hz 2) Depending on the sound fi eld settings and the source, there may be no sound output. Frequency response PHONO RIAA equalization curve 0.5 dB Analog 10 Hz 100 kHz, 3 dB (with sound fi eld and equalizer bypassed) Input PHONO Sensitivity: 2.5 mV Impedance: 50 kohms S/N3): 90 dB (A, 20 kH

9、z LPF)4) Analog Sensitivity: 150 mV/50 kohms S/N3): 100 dB (A, 20 kHz LPF)4) Digital (Coaxial) Impedance: 75 ohms S/N3): 96 dB (A, 20 kHz LPF)4) Digital (Optical) S/N3): 96 dB (A, 20 kHz LPF)4) Output (analog) AUDIO OUT Voltage: 150 mV/1 kohm SUBWOOFER Voltage: 2 V/1 kohm Equalizer Gain levels 10 dB

10、, 1 dB step 3) INPUT SHORT (with sound fi eld and equalizer bypassed). 4) Weighted network, input level. AUDIO POWER SPECIFICATIONS (DG920: US) POWER OUTPUT AND TOTAL HARMONIC DISTOR- TION: (Models of area code U only) With 8 ohm loads, both channels driven, from 20 20,000 Hz; rated 100 watts per ch

11、annel minimum RMS power, with no more than 0.09% total harmonic distortion from 250 milliwatts to rated output. Continued on next page RadioFans.CN 收音机爱 好者资料库 STR-DA2400ES/DG920 2 Amplifi er section (DG920) Models of area code U, CA1) Minimum RMS Output Power (8 ohms, 20 Hz 20 kHz, THD 0.09%) 100 W

12、+ 100 W Stereo Mode Output Power (8 ohms, 1 kHz, THD 0.7%) 110 W + 110 W Surround Mode Output Power2) (8 ohms, 1 kHz, THD 10%) 150 W per channel 1) Measured under the following conditions: Area code Power requirements U, CA 120 V AC, 60 Hz 2) Reference power output for front, center, surround and su

13、r- round back speakers. Depending on the sound fi eld settings and the source, there may be no sound output. Frequency response Analog 10 Hz 100 kHz, 3 dB (with sound fi eld and equalizer bypassed) Input Analog Sensitivity: 150 mV/50 kohms S/N3): 96 dB (A, 20 kHz LPF) Digital (Coaxial) Impedance: 75

14、 ohms S/N: 100 dB (A, 20 kHz LPF) Digital (Optical) S/N: 100 dB (A, 20 kHz LPF) Output (Analog) AUDIO OUT Voltage: 150 mV/1 kohms SUBWOOFER Voltage: 2 V/1 kohm Equalizer Gain levels 10 dB, 1 dB step 3) INPUT SHOR FM tuner section Tuning range 87.5 108.0 MHz Antenna (aerial) FM wire antenna (aerial)

15、Antenna (aerial) terminals 75 ohms, unbalanced Intermediate frequency 10.7 MHz AM tuner section (DA2400ES: US) Tuning range With 10-kHz tuning scale 530 1,710 kHz5) With 9-kHz tuning scale 531 1,710 kHz5) Antenna (aerial) Loop antenna (aerial) Intermediate frequency 450 kHz 5) You can change the AM

16、tuning scale to either 9 kHz or 10 kHz. After tuning in any AM station, turn off the receiver. While holding down TUNING MODE, press POWER on the receiver. All preset stations will be erased when you change the tuning scale. To reset the scale to 10 kHz (or 9 kHz), repeat the procedure. AM tuner sec

17、tion (DA2400ES: AEP, ECE, UK) Tuning range Area code Tuning scale 10 kHz step 9 kHz step CEL, CEK, ECE 531 kHz 1,602 kHz Antenna (aerial) Loop antenna (aerial) Intermediate frequency 450 kHz AM tuner section (DG920) Tuning range Models of area code U, CA With 10-kHz tuning scale: 530 1,710 kHz4) Wit

18、h 9-kHz tuning scale: 531 1,710 kHz4) Antenna (aerial) Loop antenna (aerial) Intermediate frequency 450 kHz 4) 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 TUNING MODE, press POWER. All preset stations will be erased

19、 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 COMPONENT VIDEO: Y: 1 Vp-p, 75 ohms PB/CB: 0.7 Vp-p, 75 ohms PR/CR: 0.7 Vp-p, 75 ohms 80 MHz HD Pass Through HDMI Video (DA2400ES) Input/Output (HDMI

20、Repeater block) 640 480p60 Hz 720 480p59.94/60 Hz 1440 480p59.94/60 Hz (pixel sent 2 times) 1280 720p59.94/60 Hz 1920 1080i59.94/60 Hz 1920 1080p59.94/60 Hz 720 576p50 Hz 1440 576p50 Hz (pixel sent 2 times) 1280 720p50 Hz 1920 1080i50 Hz 1920 1080p50 Hz 1920 1080p24 Hz General (DA2400ES: US) Power r

21、equirements 120 V AC, 60 Hz Power output (DIGITAL MEDIA PORT) DC OUT: 5 V, 0.7 A MAX Power consumption 350 W Power consumption (during standby mode) 0.7 W (when “HDMI Control” and “RS-232C Control” are set to “OFF”) Dimensions 17 6 1/4 15 3/8 inches (430 157.5 388 mm) (width/height/depth) including

22、projecting parts and controls Mass (Approx.) 26 lb 15 oz (12.2 kg) General (DA2400ES: AEP, ECE, UK) Power requirements Area code Power requirements CEL, CEK, ECE 230 V AC, 50/60 Hz Power output (DIGITAL MEDIA PORT) DC OUT: 5 V, 0.7 A MAX Power consumption Area code Power consumption CEL, CEK, ECE 36

23、0 W Power consumption (during standby mode) 0.7 W (when “Control for HDMI” is set to “OFF”) Dimensions 430 157.5 388 mm (width/height/depth) including projecting parts and controls Mass (Approx.) 12.5 kg General (DG920) Power requirements Area code Power requirements U, CA 120 V AC, 60 Hz Power outp

24、ut (DIGITAL MEDIA PORT) DC OUT: 5V, 0.7 A MAX Power consumption Area code Power consumption U 350 W CA 480 VA Power consumption (during standby mode) 0.7 W (When “Control For HDMI” is set to “OFF”) Dimensions (width/height/depth) (Approx.) 17 6 1/4 15 inches (430 157.5 378 mm) including projecting p

25、arts and controls Mass (Approx.) 26 lb 1 oz (11.8 kg) Supplied accessories Operating Instructions Quick Setup Guide (1) GUI Menu List (1) Optimizer microphone (ECM-AC2) (1) FM wire antenna (aerial) (1) AM loop antenna (aerial) (1) AC power cord (mains lead) (1) (DA2400ES) Remote commander (RM-AAP023

26、) (1) (DG920) Remote commander (RM-AAP024) (1) (DA2400ES: AEP, ECE, UK) Remote commander (RM-AAP025) (1) (DA2400ES: US) Remote commander (RM-AAU039) (1) (DA2400ES) R6 (size-AA) batteries (4 (DA2400ES) or 2 (DG920) Design and specifi cations are subject to change without notice. Abbreviation ECE : Co

27、ntinental European, East European and Russian models RadioFans.CN 收音机爱 好者资料库 STR-DA2400ES/DG920 3 NOTES ON CHIP COMPONENT REPLACEMENT Never reuse a disconnected chip component. Notice that the minus side of a tantalum capacitor may be dam- aged by heat. SAFETY CHECK-OUT After correcting the original

28、 service problem, perform the follow- ing safety check before releasing the set to the customer: Check the antenna terminals, metal trim, “metallized” knobs, screws, and all other exposed metal parts for AC leakage. Check leakage as described below. LEAKAGE TEST The AC leakage from any exposed metal

29、 part to earth ground and from all exposed metal parts to any exposed metal part having a return to chassis, must not exceed 0.5 mA (500 microamperes.). Leakage current can be measured by any one of three methods. 1. A commercial leakage tester, such as the Simpson 229 or RCA WT-540A. Follow the man

30、ufacturers instructions to use these instruments. 2. A battery-operated AC milliammeter. The Data Precision 245 digital multimeter is suitable for this job. 3. Measuring the voltage drop across a resistor by means of a VOM or battery-operated AC voltmeter. The “limit” indication is 0.75 V, so analog

31、 meters must have an accurate low-voltage scale. The Simpson 250 and Sanwa SH-63Trd are examples of a passive VOM that is suitable. Nearly all battery operated digital multimeters that have a 2 V AC range are suitable. (See Fig. A) 1.5 k0.15 F AC voltmeter (0.75 V) To Exposed Metal Parts on Set Eart

32、h Ground Fig. A. Using an AC voltmeter to check AC leakage. SAFETY-RELATED COMPONET 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 APPEAR A

33、S 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 FONC- TIONNEMENT. NE REMPLACER CES COMPOSANTS QUE PAR DES PICES

34、SONY DONT LES NUMROS SONT DON- NS DANS CE MANUEL OU DANS LES SUPPLMENTS PUBLIS PAR SONY. RadioFans.CN 收音机爱 好者资料库 STR-DA2400ES/DG920 4 1. SERVICING NOTES . 5 2. GENERAL . 7 3. DISASSEMBLY 3-1. Disassembly Flow . 13 3-2. Case . 14 3-3. Front Panel Block (DA2400ES) . 14 3-4. Front Panel Block (DG920) .

35、 15 3-5. Tuner (FM/AM), CIS Board and PREOUT Board . 15 3-6. DIGITAL VIDEO Board . 16 3-7. VIDEO Board . 16 3-8. Back Panel Block (DA2400ES) . 17 3-9. Back Panel Block (DG920) . 17 3-10. MICON Board, DIGITAL Board . 18 3-11. ACLASS Board . 18 3-12. Main Block . 19 3-13. MAIN Board . 19 4. TEST MODE

36、. 20 5. ELECTRICAL ADJUSTMENT . 24 6. DIAGRAMS 6-1. Block Diagram - DIGITAL AUDIO/TUNER Section - . 27 6-2. Block Diagram - DSP/XM Section - . 28 6-3. Block Diagram - ANALOG AUDIO Section - . 29 6-4. Block Diagram - AMP Section - . 30 6-5. Block Diagram - HDMI Section - . 31 6-6. Block Diagram - VID

37、EO (1/2) Section - . 32 6-7. Block Diagram - VIDEO (2/2)/PANEL Section - . 33 6-8. Block Diagram - POWER SUPPLY Section - . 34 6-9. Printed Wiring Board - DIGITAL Board (Component Side) - . 36 6-10. Printed Wiring Board - DIGITAL Board (Conductor Side) - . 37 6-11. Schematic Diagram - DIGITAL Board

38、(1/2) - . 38 6-12. Schematic Diagram - DIGITAL Board (2/2) - . 39 6-13. Printed Wiring Board - DIGITAL VIDEO Board (Component Side) - . 40 6-14. Printed Wiring Board - DIGITAL VIDEO Board (Conductor Side) - . 41 6-15. Schematic Diagram - DIGITAL VIDEO Board (1/4) - . 42 6-16. Schematic Diagram - DIG

39、ITAL VIDEO Board (2/4) - . 43 6-17. Schematic Diagram - DIGITAL VIDEO Board (3/4) - . 44 6-18. Schematic Diagram - DIGITAL VIDEO Board (4/4) - . 45 6-19. Printed Wiring Board - MAIN Board - . 46 6-20. Schematic Diagram - MAIN Board (1/3) - . 47 6-21. Schematic Diagram - MAIN Board (2/3) - . 48 6-22.

40、 Schematic Diagram - MAIN Board (3/3) - . 49 6-23. Printed Wiring Board - ACLASS Board - . 50 6-24. Schematic Diagram - ACLASS Board - . 51 6-25. Printed Wiring Board - VIDEO Board - . 52 6-26. Schematic Diagram - VIDEO Board - . 53 6-27. Printed Wiring Board - DSP Board - . 54 6-28. Schematic Diagr

41、am - DSP Board - . 55 6-29. Printed Wiring Board - MICON Board (Component Side) - . 56 6-30. Printed Wiring Board - MICON Board (Conductor Side) - . 57 TABLE OF CONTENTS 6-31. Schematic Diagram - MICON Board (1/3) - . 58 6-32. Schematic Diagram - MICON Board (2/3) - . 59 6-33. Schematic Diagram - MI

42、CON Board (3/3) - . 60 6-34. Printed Wiring Board - LIMITER Board - . 61 6-35. Schematic Diagram - LIMITER Board - . 61 6-36. Printed Wiring Boards - CONNECTOR Section - . 62 6-37. Schematic Diagram - CONNECTOR Section - . 63 6-38. Printed Wiring Board - DISPLAY Board - . 64 6-39. Schematic Diagram

43、- DISPLAY Board - . 65 6-40. Printed Wiring Boards - PANEL Section - . 66 6-41. Schematic Diagram - PANEL Section - . 67 6-42. Printed Wiring Board - SURR SPEAKER Board - . 68 6-43. Schematic Diagram - SURR SPEAKER Board - . 69 6-44. Printed Wiring Board - CIS Board (DA2400ES: US model) - . 70 6-45. Schematic Diagram - CIS Board (DA2400ES: U