Onkyo-TXSR503-avr-sm维修电路原理图.pdf

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1、TX-SR503/503E/8350 SERVICE MANUALSERVICE MANUAL TX-SR503 Black and Silver and Golden models 120V AC, 60Hz 230-240V AC, 50Hz 120V/220-230V AC, 50/60Hz 220-230V AC, 50/60Hz B MDD, B MDC, S MDC B MPA, S MPA B MWT, S MWT, G MWT G MGR, G MGQ, G MGK TX-SR503E Black and Silver models 230-240V AC, 50HzB MPP

2、, S MPP TX-SR8350 Golden model 220-230V AC, 50/60HzG MGR Ref. No. 3863 042005 MODEL TX-SR503 MODEL TX-SR503E MODEL TX-SR8350 AV RECEIVER AUDIOLR TONE+STEREOLISTENING MODEDISPLAYDIGITAL INPUTDIMMERMEMORYTUNING MODE RETURN TUNING/ PRESET ENTER SETUP STANDBY STANDBY/ON CLEAR PHONES MULTl CHDVDVIDEO 1VI

3、DEO 2 VCR VIDEO 3TAPETUNERCD VIDEO VIDEO 3 INPUT MASTER VOLUME A SPEAKERS B MUTING PREVIOUS MENU GUIDE TOP MENU SP A / B SETUPRETURN RANDOMSUBTITLE PLAY MODE AUDIOREPEAT RC- 607M -/- TAPE/AMP M D CDR CABLE ONSTANDBY DIMMERSLEEP 101112 INPUT SELECTOR DVDHDD REMOTE MODE V1V2V3 C DTAPETUNER DVDMULTI CH

4、 LISTENING MODE TV DISPLAY TEST TONECH SEL SURROUNDSTEREO CINE FLTR LEVEL+LEVEL- L NIGHT VOLVOL SAT VCR TV DVDRECEIVER C D INPUT +10 0CLR 123 456 789 ENTER CH DISC RC-607M SAFETY-RELATED COMPONENT WARNING! COMPONENTS IDENTIFIED BY MARK ON THE SCHEMATIC DIAGRAM AND IN THE PARTS LIST ARE CRITICAL FOR

5、RISK OF FIRE AND ELECTRIC SHOCK. REPLACE THESE COMPONENTS WITH ONKYO PARTS WHOSE PART NUMBERS APPEAR AS SHOWN IN THIS MANUAL. MAKE LEAKAGE-CURRENT OR RESISTANCE MEASUREMENTS TO DETERMINE THAT EXPOSED PARTS ARE ACCEPTABLY INSULATED FROM THE SUPPLY CIRCUIT BEFORE RETURNING THE APPLIANCE TO THE CUSTOME

6、R. RadioFans.CN 收音机爱 好者资料库 TX-SR503/503E/8350 SPECIFICATIONS Audio Outputs Analog Outputs TAPE, VIDEO1 Subwoofer Pre Outputs 1 Speaker Outputs SP A (L, R, C, SL, SR, SBL, SBR) SP B (L, R) Phones 1 Specifications and features are subject to change without notice. Power Supply North American: AC 120 V

7、, 60 Hz Australian and European: AC 230-240 V, 50 Hz Others: AC 120/220-240 V, 50/60 Hz AC 230-240 V, 50Hz AC 220-230 V, 50 Hz Power Consumption North American: 6.2 A Others: 590 W Stand-by Power Consumption North American: 0.1 W Australian and European: 0.2 W Others: 0.5 W Dimensions (W x H x D) 43

8、5 x 150 x 374 mm 17-1/8 x 5-7/8 x 14-3/4 Weight North American: 9.4 kg 20.7 lbs. European: 10.1 kg 22.3 lbs Others: 10.2 kg . 22.5 lbs. Video Outputs Component MONITOR S-Video MONITOR OUT, VIDEO1 Composite MONITOR OUT, VIDEO1 Audio Inputs Digital Inputs Optical: 3 Coaxial: 1 Analog Inputs DVD(MULTIC

9、HANNEL), VIDEO1, VIDEO2, VIDEO3, TAPE, CD Multichannel Inputs 6 General Power Output 2 channel driven: North American: 75 W + 75 W (8 ,20Hz-20kHz, FTC) European: 100 W + 100 W (6 , 1kHz, DIN) Asian, Australian: 130 W + 130 W (6 , 1kHz, JEITA) Dynamic Power 180 W + 180 W (3 , Front) 140 W + 140 W (4

10、, Front) 95 W + 95 W (8 , Front) THD (Total Harmonic Distortion) 0.08% (Power Rated) Damping Factor 60 (Front, 1kHz, 8 ) Input Sensitivity and Impedance 200 mV/ 47 k (LINE) Output Level and Impedance 200 mV/ 470 (REC OUT) Frequency Response 10 Hz-100 kHz/ +1 dB-3 dB (Direct mode) Tone Control 10 dB,

11、 50 Hz (BASS) 10 dB, 20 kHz (TREBLE) Signal to Noise Ratio 100 dB (LINE, IHF-A) Speaker Impedance North American: 6 - Others: 4 - or 6 - Amplifier Section Input Sensitivity/Output Level and Impedance 1 Vp-p /75 (Component and S-Video Y) 0.7 Vp-p /75 (Component Pb/Cb, Pr/Cr) 0.28 Vp-p /75 (S-Video C)

12、 1 Vp-p /75 (Composite) Component Video Frequency Response 5 Hz - 50 MHz Video Section FM Tuning Frequency Range North American: 87.5 MHz- 107.9 MHz Other: 87.5 MHz- 108.0 MHz Usable Sensitivity Stereo: 17.2 dBf 2 V(75 IHF) Mono: 11.2 dBf 1 V(75 IHF) Signal to Noise Ratio Stereo: 70 dB (IHF-A) Mono:

13、 76 dB (IHF-A) THD Stereo: 0.3% (1kHz) Mono: 0.2% (1kHz) Frequency Response 30 Hz-15 kHz / 1 dB Stereo Separation 45 dB (1kHz) AM Tuning Frequency Range North American: 530 kHz-1710 kHz Others: 522 kHz-1611 kHz Usable Sensitivity 30 V Signal to Noise Ratio 40 dB THD 0.70% Tuner Section Video Inputs

14、Component DVD, VIDEO1, VIDEO2 S-Video DVD, VIDEO1, VIDEO2 Composite DVD, VIDEO1, VIDEO2, VIDEO3 RadioFans.CN 收音机爱 好者资料库 SERVICE PROCEDURE TX-SR503/503E/8350 1. Replacing the fuses This symbol located near the fuse indicates that the fuse used is show operating type, For continued protection against

15、fire hazard, replace with same type fuse, For fuse rating, refer to the marking adjacent to the symbol. Ce symbole indique que le fusible utilise est e lent. Pour une protection permanente, nutiliser que des fusibles de meme type. Ce demier est indique la qu le present symbol est apposre. 2. To init

16、ialize the unit The AV receiver uses a battery-less memory backup system in order to retain radio presets and other settings when its unplugged or in the case of a power failure. Although no batteries are required, the AV receiver must be plugged into an AC outlet in order to charge the backup syste

17、m. Once it has been charged, the AV receiver will retain the settings for several weeks, although this depends on the environment and will be shorter in humid climates. 1. Press and the hold down the VIDEO 1/VCR button , then press the STANDBY/ON button when the unit is Power on. 2. After Clear is d

18、isplayed, the preset memory and each mode stored in the memory, are initialized and will return to the factory settings. 4. Memory Backup Main microprocessor Q701 only. 1. Press and the hold down the DISPLAY button , then press the STANDBY/ON button when the unit is Power on. Version is displayed on

19、 FL display only for 3 seconds. 2. Press the STANDBY/ON button to Power off. 3. To check version of microprocessor Ver.1.01/05305a Ex. REF NO. F901 F901 or F901 F901 or F901 or F902 F902 or F902 or F902 F902 or F902 or F903 F903 or F903 F903 or F903 or F903 F903 or F903 or F6901 F6902 PART NAME FUSE

20、 FUSE FUSE FUSE FUSE FUSE FUSE FUSE FUSE FUSE FUSE FUSE FUSE FUSE FUSE FUSE FUSE FUSE FUSE FUSE FUSE DESCRIPTION 8A-UL 8A-T/UL-ST2 4A-SE-EAK FUSE 4A-SE-TL250V 4A-SE-TL250V 4A-SE-EAK FUSE 4A-SE-TL250V 4A-SE-TL250V 4A-SE-EAK FUSE 4A-SE-TL250V 4A-SE-TL250V 5A-UL/T-237 5A-T/UL-ST2 2.5A-SE-EAK FUSE 2.5A-

21、SE-TL250V 2.5A-SE-TL250V 2.5A-SE-EAK FUSE 2.5A-SE-TL250V 2.5A-SE-TL250V 10A-UL 10A-UL PART NO. 252198 252261 252077 252243 252277 252077 252243 252277 252077 252243 252277 252164 252258 252075 252241 252275 252075 252241 252275 252199 252199 REMARKS !, !, !, !, !, !, !, !, !, , !, , !, , !, !, !, !,

22、 !, !, , !, , !, , ! ! : TX-SR503 USA model only : TX-SR503 Canadian model only : TX-SR503E European model only : TX-SR503 Australian model only : TX-SR503 World wide model only : TX-SR503 Chinese model only : TX-SR503 Hong kong model only : TX-SR503 Korean model only : TX-SR8350 Chinese model only

23、RadioFans.CN 收音机爱 好者资料库 OPERATION CHECK-1 SPEAKER PROTECT-1 (DC VOLTAGE DETECTION) TX-SR503/503E/8350 1. Press and the hold down the CD button , then press the STANDBY/ON button when the unit is Power ON. Test - _ is displays it only for 5 seconds. 2. Press the VIDEO 3 button, while the character of

24、 Test - _ is displayed. Unit will be in the state of Test-4-00 . 3. Repeatedly press TONE+ button until the character of Test-4-21 is displayed. Procedure No load. No input. Test - _ Test - 4-00 When 1. Exchange power transistors (Q6050 - Q6066). 2. Exchange amplifier PC board assy (NAAF-8523). Test

25、 - 4-21 Checking the operation starts automatically as follows. Test - 4-21 Test - 4-22 Test - 4-25 Test - 4-23 Test - 4-24 Protect OK Protect OK Protect Protect OK Protect OK Protect OK Test - 4-35 Clear Turn off Front L ch Check If all channel are OK, the character of Test - 4 - 35 is displayed. 4

26、. Press the STANDBY/ON button. Front R ch Check Center ch Check Surround L ch Check Surround R ch Check Blinks Test - 4-26 Protect OK Surround Back L ch Check Test - 4-27 Protect OK Surround Back R ch Check RadioFans.CN 收音机爱 好者资料库 TX-SR503/503E/8350 OPERATION CHECK-2 SPEAKER PROTECT-2 (CURRENT DETEC

27、TION) 1. Press and the hold down the CD button , then press the STANDBY/ON button when the unit is Power ON. Test - _ is displays it only for 5 seconds. 2. Press the VIDEO 3 button, while the character of Test - _ is displayed. Unit will be in the state of Test-4-00 . 3. Repeatedly press TONE+ butto

28、n until the character of Test-4-35 is displayed. 4. Connect the Dummy load of 3 ohms to the Front Lch speakers terminal. At this time, check the speaker relay is not turned off. 5. Connect the dummy load of 1 ohm to the Front Lch speakers terminal. At that time, you check the speaker relay is turned

29、 off and Protect is displayed. Disconnect the dummy load at once when check the display of Protect . 6. Check other channels according to the same procedure. Procedure No input. Do not check two or more channels at the same time. Do not connect dummy load to speaker terminals fro seconds 2 or more.

30、Test - _ Test - 4-00 When 1. Exchange power transistors (Q6050 - Q6066). 2. Exchange amplifier PC board assy (NAAF-8523). Test - 4-35 Clear Turn off 7. Press the STANDBY/ON button. Test - 4-35 Protect Test - 4-35 Blinks RadioFans.CN 收音机爱 好者资料库 OPERATION CHECK-3 CONTROL OF POWER SUPPLY (OUTPUT SENSOR

31、 AND THERMAL SENSOR) TX-SR503/503E/8350 Test - _ Test - 4-00 Test - 4-37 Clear Turn off Test - 4-37 FM STEREO Blinks Ver. 0.50/05131a T: 25 C/ 77 F Clear Turn off Output sensor 1. Press and the hold down the CD button , then press the STANDBY/ON button when the unit is Power ON. Test - _ is displays

32、 it only for 5 seconds. 2. Press the VIDEO 3 button, while the character of Test - _ is displayed. Unit will be in the state of Test-4-00 . 3. Repeatedly press TONE+ button until the character of Test-4-37 is displayed. 4. Adjusts MASTER VOLUME to Max. position. At this time, check the character of

33、FM STEREO displayed. And, check relay RL6901 and RL6902 are turned off in 2 - 3 seconds. 5. Press the STANDBY/ON button. Procedure No output. No input. When 1. Exchange power transistors (Q6050 - Q6066). 2. Exchange power amplifier PC board assy (NAAF-8523). 3. Exchange thermal sensor PC board assy

34、(NAETC-8526). Thermal sensor 1. Press and hold down the DISPLAY button, then press the STANDBY button when the unit is power ON. Ver. 0.50/05131a is displays it only for 2 seconds. 2. Press the TONE button, while the character of Ver.0.50/05131a is displayed. 3. Check the displayed temperature is +/

35、-20 C of the ambient temperatures. 4. Press STANDBY/ON button. RadioFans.CN 收音机爱 好者资料库 TX-SR503/503E/8350 OPERATION CHECK-4 DSP DEBUG MODE E1A48K015FF 23o Ver. 0.50/05131a 14256871039 Check the operation of the circuit around DSP by the display in this mode. This information helps to pursue the faul

36、ty point. UNLOCK E = UNLOCK = LOCK 1 Digital Selecter D = DIGITAL A = ANALOG 1 = COAX1 2 = OOAX2 3 = OPT1 4 = OPT2 5 = OPT3 7 = FRONT 2 Sampling Frequency 96 = 96kHz 48 = 48kHz 44 = 44kHz 32 = 32kHz - = Not detect 3 AUTOBOOT DSP AB CODE 0 = FLASH 1 = ab_ac3_pl2 2 = ab_dts_pl2 3 = ab_neo6 4 = sgen_ab

37、 5 = ab_pl2fs 6 = ab_dts_6dol 7 = ab_dts9624 8 = aac_pl2 6 Pre Emphasis K = OFF e = ON 4 DSP Detect Format 00 = Null 01 = Dolby Digital 03 = Pause 04 = MPEG1 L1 05 = MPEG1 L23/ MPEG2 w/o 06 = MPEG2 w/e 07 = MPEG2 AAC 08 = MPEG2 L1 09 = MPEG2 L2/3 9 DSP Decode o = Decode OK x = Decode NG - = Analog i

38、n 10 To set in DSP debug mode 1. Press and hold down the DISPLAY button, then press the STANDBY button when the unit is power ON. Ver. 0.50/05131a is displays it only for 2 seconds. 2. Press the DISPLAY button, while the character of Ver.0.50/05131a is displayed. To exit Press STANDBY/ON button. - D

39、IR - MEMORY/DOWNLOAD - DIR Status 0 = ANALOG 1 = PCM 2 = NOT_PCM 3 = DATA 4 = DTSCD 5 = MCH 6 = NOT DECIED 5 - DSP - Content of display AUTOBOOT DSP C CODE 0 = ac_dts9624 1 = c_neo6 2 = c_oos_no_sd 3 = c_oos 4 = c_oob 5 = c_pl2 6 = c_pl2xthx 7 = c_thx 8 = c_spsetup 9 = version 7 DSP Status 00 = Powe

40、r off 01 = Power on wait 10 = DSP reset 11 = DSP reset wait 12 = DSP AB boot ready 13 = DSP AB boot start 14 = DSP AB boot 15 = DSP C boot ready 16 = DSP C boot start 17 = DSP C boot 18 = DSP soft reset 20 = DSP C app start 8 21 = DSP C HW Config set 22 - 2A = DSP C SW Config set 3F = DSP C kick sta

41、rt 40 = DSP AB App start 41 = DSP AB HW Config set 42 - 4B = DSP AB SW Config set AF = DSP ab kick start 0B = DTS1 0C = DTS2 0D = DTS3 1B = MPEG2 AAC1 1C = MPEG2 AAC2 20 = Silent 22 = DTS CD 23 = PCM RadioFans.CN 收音机爱 好者资料库 TX-SR503/503E/8350 TX-SR503/503E/8350 EXPLODED VIEWS-1 A068 x 37 pcs. A002 x

42、 4 pcs. A061 x 6 pcs. A002 x 2 pcs. A002 x 3 pcs. A002 x 4 pcs. A002 x 4 pcs. A002 x 4 pcs. A046 x 2 pcs. A030 x 4 pcs. A002 x 3 pcs. A068 x 3 pcs. A002 x 2 pcs. A002 x 5 pcs. A013 x 8 pcs. A020 x 3 pcs. A021 x 2 pcs. A064 x 4 pcs. A066 x 8 pcs. A068 x 8 pcs. A002 x 3 pcs. U19 P101 P702 T901 P901 F9

43、02 A093 A041 A073 A001 A060 A102 A109 DD, DC Only U03 U01 U04 U05 U06 U14 U11 U13 U15 U16 U02 U17 U18 U08 U07 U09 A051 A051 A051 A070 A071 A081 A007 A054 A002 A006 A005A002 A077 A110 A1101 F903C F903 F901 F901C A052 A018 A050 A002 A095 A002 A014 A033 A022 A015 A017 A043 A050 A044 F6901 F6902 F6901C

44、A002 A098 Refer to in EXPLODED VIEWS-2 WT type GR Only RadioFans.CN 收音机爱 好者资料库 TX-SR503/503E/8350 TX-SR503/503E/8350 EXPLODED VIEWS-2 Q6066 Q6056 Q6060 Q6061 Q6062 Q6063 Q6064 Q6054 Q6065 Q6055 Q6053 Q6052 Q6050 Q6051 Q6050A x 14 A049 x14 RadioFans.CN 收音机爱 好者资料库 TX-SR503/503E/8350TX-SR503/503E/8350

45、BLOCK DIAGRAM FL_PO FR_PO CT_PO SBL_PO SBR_PO TAPE_OUT_R TAPE_OUT_L V2_OUT_L V2_OUT_R Z2_R Z2_L MIX_R MIX_L SOURCE_L SOURCE_R RECOUT_L RECOUT_R MCH_SR MCH_SL MCH_SW MCH_CT ADLT+ ADRT+ ADLT- ADRT- ADRT- ADRT+ ADLT+ ADLT- RX3 DAC_FL DAC_CT DAC_SW DAC_FR DAC_SR DAC_SBR DAC_SBL DAC_SL VOLIN_SBR VOLIN_SB

46、L RX2 Z2RL SBRL SPRLCS SW_PO AMUT SL_PO SR_PO RX4 RX0 HPIN SPRLF TUNER UNIT NJW1157 CD TAPE OUT TAPE IN VIDEO2 IN VIDEO1 OUT VIDEO1 IN DVD (MULTI INPUT) COAXIAL RI RI INTERFACE PREOUT SUBWOOFER FRONT-A R CENTER SURROUND PHONES FRONT-B SURROUND BACK L SPEAKERS TONE TONE -6dB -6dB +9.7dB +20.2dB DIR 2

47、ch ADC CS42518 8ch DAC LPF DSP CS494003 FLASH ROM MX29LV040 LPF LPF LPF LPF LPF LPF R 4M Bit NJU7311 POWER AMPLIFIER +29dB +29dB +29dB +29dB +29dB +29dB +29dB VIDEO3 IN OPTICAL 1 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 73 73 51 74 41 43 23 25 22 24 26 21 27 29 28 30 44 42 46 45 4

48、8 47 93 92 91 95 90 89 88 86 85 84 83 87 82 81 80 7 6 5 4 3 2 1 94 8 9 8 12 17 10 19 20 21 11 18 4 25 3 26 2 27 22 7 23 6 5 24 16 15 14 13 49 48 43 42 47 46 45 44 50 37 36 107 118 106 81 80 86 134 109 110 58 54 63 62 64 1 35 34 32 33 31 30 28 29 26 27 21 20 22 23 + + A A To Microprocessor INVERT VOL

49、UME L R L L R FRONT CENTER SURROUND SUBWOOFER L R L R LPF DIGITAL IN OPTICAL 3 OPTICAL 2 A 1 2 3 4 5 BCDEFGH RadioFans.CN 收音机爱 好者资料库 TX-SR503/503E/8350TX-SR503/503E/8350 BLOCK DIAGRAM FL_PO FR_PO CT_PO SBL_PO SBR_PO TAPE_OUT_R TAPE_OUT_L V2_OUT_L V2_OUT_R Z2_R Z2_L MIX_R MIX_L SOURCE_L SOURCE_R RECOUT_L RECOUT_R MCH_SR MCH_