Onkyo-TXSR303-avr-sm 电路图 维修手册.pdf

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1、TX-SR303/303E SERVICE MANUALSERVICE MANUAL TX-SR303 Silver model Ref. No. 3862 042005 AV RECEIVER 120V AC, 60HzMDD TX-SR303E Silver model 230-240V AC, 50HzMPP MODEL TX-SR303 MODEL TX-SR303E RC-605S TONE+STEREOLISTENING MODEDISPLAYDIGITAL INPUTDIMMERMEMORYTUNING MODE RETURN TUNING/ PRESET ENTER SETUP

2、 STANDBY STANDBY/ON CLEAR PHONES MULTl CHDVDVIDEO 1/VCRVIDEO 2VIDEO 3TAPETUNERCD MASTER VOLUME A SPEAKERS B MUTING MENUTOP MENU SP A / B SETUPRETURN RANDOMSUBTITLE PLAY MODE AUDIOREPEAT RC- 605S -/- TAPE/AMP ONSTANDBY DIMMERSLEEP INPUT SELECTOR REMOTE MODE V1V2V3 C DTAPETUNER DVDMULTI CH LISTENING M

3、ODE DISPLAY TEST TONECH SEL SURROUNDSTEREO CINE FLTR LEVEL+LEVEL- L NIGHT VOL CDR MD DVDRECEIVER C D +10 0CLR 123 456 789 ENTER CH DISC SAFETY-RELATED COMPONENT WARNING! COMPONENTS IDENTIFIED BY MARK ON THE SCHEMATIC DIAGRAM AND IN THE PARTS LIST ARE CRITICAL FOR RISK OF FIRE AND ELECTRIC SHOCK. REP

4、LACE 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 CUSTOMER. RadioFans.CN 收音机爱 好者资料库 TX-SR303/

5、303E SPECIFICATION Audio Outputs Analog Outputs TAPE, VIDEO1 Subwoofer Pre Outputs 1 Speaker Outputs SP-A (L, R, C, SL, SR) + SP-B (L, R) Phones 1 Specifications and features are subject to change without notice. Power Supply North American: AC 120 V, 60 Hz European: AC 230-240 V, 50 Hz Power Consum

6、ption North American: 4.2 A European: 360 W Stand-by Power Consumption North American: 0.1 W European: 0.2 W Dimensions (W x H x D) 435 x 150 x 369 mm 17-1/8 x 5-7/8 x 14-1/2 Weight North American and European: 8.5 kg 18.7 lbs. Video Outputs Composite MONITOR OUT, VIDEO1 Audio Inputs Digital Inputs

7、Optical: 1 Coaxial: 1 Analog Inputs DVD(MULTICHANNEL), VIDEO1, VIDEO2, VIDEO3, TAPE, CD Multichannel Inputs 6 General Power Output 2 channel driven: North American: 65 W + 65 W (8 , 20Hz-20kHz, FTC) European: 90 W + 90 W (6 , 1kHz, DIN) Dynamic Power 160 W + 160 W (3 , Front) 125 W + 125 W (4 , Fron

8、t) 85 W + 85 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, 50 Hz

9、 (BASS) 10 dB, 20 kHz (TREBLE) Signal to Noise Ratio 100 dB (LINE IHF-A) Speaker Impedance 6 -16 Amplifier Section Input Sensitivity/Output Level and Impedance 1 Vp-p /75 (Composite) Video Section FM Tuning Frequency Range North American: 87.5 MHz-107.9 MHz European: 87.5 MHz-108.0 MHz Usable Sensit

10、ivity 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: 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 Eur

11、opean: 531 kHz-1611 kHz Usable Sensitivity 30 V Signal to Noise Ratio 40 dB THD 0.70% Tuner Section Video Inputs Composite DVD, VIDEO1, VIDEO2, VIDEO3 RadioFans.CN 收音机爱 好者资料库 SERVICE PROCEDURE TX-SR303/303E 1. Replacing the fuses 2. Safety-check out (Only U.S.A. model) After correcting the original

12、service problem perform the following safety check before releasing the set to the customer Connect the insulating-resistance tester between the plug of power supply cord and terminal GND on the back panel. Specifications: More than 10Mohm at 500V This symbol located near the fuse indicates that the

13、 fuse used is show operating type, For continued protection against 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. C

14、e demier est indique la qu le present symbol est apposre. 3. To initialize 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 m

15、ust be plugged into an AC outlet in order to charge the backup system. 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

16、the STANDBY/ON button when the unit is Power on. 2. After Clear is displayed, the preset memory and each mode stored in the memory, are initialized and will return to the factory settings. 5. Memory Backup Main microprocessor Q701 only. 1. Press and the hold down the DISPLAY button , then press the

17、STANDBY/ON button when the unit is Power on. Version is displayed on FL display only for 3 seconds. 2. Press the STANDBY/ON button to Power off. 4. To check version of microprocessor Ver.0.50/05131a Ex. REF NO. F901 F901 or F902 F902 or F902 or F6901 F6901 or F6902 F6902 or PART NAME FUSE FUSE FUSE

18、FUSE FUSE FUSE FUSE FUSE FUSE DESCRIPTION 6.3A-UL/T-237 6.3A-T/UL-ST2 3.15A-SE-EAK FUSE 3.15A-SE-TL250V 3.15A-SE-TL250V 8A-UL 8A-T/UL-ST2 8A-UL 8A-T/UL-ST2 PART NO. 252166 252260 252076 252242 252276 252198 252261 252198 252261 REMARKS !, !, !, !, ! ! ! ! ! : TX-SR303 Only : TX-SR303E(European model

19、) Only RadioFans.CN 收音机爱 好者资料库 TX-SR303/303E TX-SR303/303E EXPLODED VIEWS-1 A003 x 27 pcs. A004 x 4 pcs. A051 x 6 pcs. A004 x 2 pcs. A004 x 4 pcs. A023 x 4 pcs. A004 x 3 pcs. A003 x 2 pcs. A013 x 6 pcs. A015 x 3 pcs. A016 x 2 pcs. A055 x 4 pcs. A056 x 8 pcs. A004 x 8 pcs. A002 x 13 pcs. U18 P101 P70

20、3 T901 P901 F901 A401 A028 A405 A050 A052 A450 A413 U01 U03 U04 U05 U06 U14 U11 U13 U15 U02 U16 U17 U08 U09 A001 A025 A025 A025 A412 A065 A406 A004 A420 A430 A411 A010 A011 A040 A048 A004 A004 A004 x 3pcs A004 A014 A014 A030 F6901 F6902 A003 x 3 pcs. Refer to in EXPLODED VIEWS-2 A045 A004 A046 TX-SR

21、303/303E TX-SR303/303E EXPLODED VIEWS-2 Q6060 Q6061 Q6062 Q6063 Q6064 Q6054 Q6053 Q6052 Q6050 Q6051 Q6050A x10 A037 x10 TX-SR303/303E SCHEMATIC DIAGRAMS-1 AUDIO INPUT SECTION TX-SR303/303E J5658 J5659 J5654 J5620 J5644 J5620 RL5700 P6906 P5505 JL5501AJL5501B D9005 D3SBA20 P9502 P5503 P311B P301 P302

22、 P303 P5504 D5672 D5671 Q5640 2.5V7 3.3V5 5.0V2 GND4 MODE1 NC6 VCC3 Q5630 5 6 4 7 Q5503 5 6 4 7 Q5503 NJM4565M-D 3 8 2 1 Q5630 NJM4565M 3 8 2 1 R5809 R5808 R5813 R5814 R5812 R5811 R5595 10K R5594 10K R5590 10K R5597 1.2K R5596 470 R5598 10K R5593 1.2K R5592 470 R5591 10K R5599 10K R5634 10K R5633 1.

23、2K R5632 15K R5631 47K R5630 220 Q5671 GI O Q5672 GI O C5591 330J C5590 330J C5631 221J C5632 103J C5555 472J C5554 224J C5552472J C5551224J C9020 1000/16 C9021 1000/16 C5666 C5667 C5671 C5672 C5652 220/25 C5569 10/63 C5570 10/63 C9010 4700/16 C5663 10/63 C5662 10/63 C5660 10/63 C5661 10/63 C5650 10

24、/63 C5653 10/63 C5651 10/63 C5640 10/63 C5643 22/25 C5642 22/25 C5641 22/25 C5668 220/25 C5669 220/25 C5673 220/25 C5674 220/25 C557610/63 C5567 10/63 C5568 10/63 C5571 10/63 C5630 10/16 C5664 220/25 C5665 220/25 C5608 47/50 C5609 47/50 C5606 47/50 C5607 C5600 47/50 C5601 47/50 C5602 47/50 C5604 47/

25、50 C5605 47/50 C5603 47/50 C557410/63 C557510/63 C557210/63 C557310/63 C5564 10/63 C5565 10/63 C55781/100 C557710/63 C5566 10/63 C5560 47/25 C5563 47/25 C5562 47/25 C5561 47/25 C5559 47/25 C5558 47/25 C5557 47/25 C5556 47/25 C5553 4.7/100 C5550 4.7/100 D9020RN1N4003 D9021 RN1N4003 D5650 D9011 RN1N40

26、03 D5651 D5711 D5710 D5700 1SS352 OR 1SS355 Q5650 NC Q566179M12HF GI O Q5655 79M05FA GI O Q566078M12HF GI O Q5654 LM2940CT-5.0 GI O Q5652 NC Q5651 NC Q5700 KRC102S OR RN1402 Q5617 Q5616 Q5611 Q5610 Q5615 Q5614 Q5613 Q5612 Q5609 Q5608 Q5607 Q5606 Q5601 Q5600 Q5605 Q5604 Q5603 Q5602 Q5653 NC PURE AUDI

27、O SWITCH C9017 102J C9005 334J MMT C5710 NC C5709 NC C5708 103J C5707 103J C5706 103J C5704 103J C5705 103J C5703 103J C5701 103J C5702 103J C5712 C5512 NC C5511 NC C5510 221J C5509 221J C5711 NC C5532 NC C5531 NC C5530 NC C5529 102J C5528 NC C5527 NC C5526 NC C5525 NC C5524 221J C5523 221J C5514 22

28、1J C5506 NC C5505 NC C5516 NC C5515 NC C5522 221J C5521 221J C5520 C5519 221J C5518 221J C5517 221J C5513 221J C5508 221J C5507 221J C5504 C5503 221J R5672 22 R5671 22 R5665 R5661 22 R5660 12 R5651 NC R5650 NC R5656 NC R5652 NC R5653 NC R5655 NC R5640 0.22 R5682 100K R5681 100K R5680 100K R5581 220

29、R5582 220 R5583 220 R5552 56K R5551 56K R5550 NC R5549 NC R5704 R5706 R5664 R5668 22 R5662 22 R5666 22 R5667 22 R5663 22 R5626 R5627 100 R5620 R5621 R5622 R5624 R5623 R5625 R5608 220K R5609 220K R5618 2.2K R5619 2.2K R5606 220KR5607 R5616 R5617 270 R5600 220K R5601 220K R5610 R5611 R5604 220K R5605

30、220K R5614 R5615 R5602 220K R5603 220K R5612 R5613 R5587220 R5588220 R5589220 R5572 NC R5571 NC R5532 NC R5531 NC R5570 R5569 22K R5530 NC R5529 100 R5568 NC R5567 NC R5528 NC R5527 NC R5566 NC R5565 NC R5526 NC R5525 NC R5564 56K R5563 56K R5524 330 R5523 330 R5562 56K R5561 56K R5560 NC R5559 NC R

31、5558 NC R5557 NC R5554 NC R5553 NC R5548 NC R5547 NC R5544 NC R5543 NC R5556 56K R5555 56K R5546 56K R5545 56K R5503 330 R5522 330 R5521 330 R5520 330 R5519 330 R5518 330 R5517 330 R5516 330 R5515 330 R5514 330 R5513 330 R5508 330 R5507 330 R5506 330 R5505 330 R5504 330 R5 CK NC L_COM4 R_COM2 L_COM2

32、 VDD R1 R2 R_COM R3 R4 R6 R_COM3 R7 R_COM4 DATA VSS ST NC L7 L_COM3 L6 L5 L4 L3 L_COM L2 L1 VEE Q5502 NJU7311AM 1 2 3 4 5 6 7 8 9 10 11 12 13 14 1516 17 18 19 20 21 22 23 24 25 26 27 28 29 30 COUT ROUT LOUT TCCAP VDDOUT2 VSSOUT2 GND GND SWBIN RBBIN LBBIN RSBIN LSBIN CBIN RBIN LBIN SWAIN RBAIN LBAIN

33、RSAIN CAIN LSAIN RAIN LAIN LATCH CLOCK DAT DGND NC R12IN L12IN R11IN L11IN R10IN L10IN R9IN L9IN R8IN L8IN R7IN L7IN R6IN L6IN R5IN L5IN R4IN L4IN R3IN L3IN R2IN L2IN R1IN L1IN VSSOUT VDDOUT FR- FR+ FL- FL+ DCR_IN DCR_OUT DCL_IN DCL_OUT DCCAP_SW DCCAP_RB DCCAP_LB DCCAP_RS DCCAP_LS GND GND DCCAP_C DC

34、CAP_R DCCAP_L REC_A4R REC_A4L REC_A3R REC_A3L REC_A2R REC_A2L REC_A1R REC_A1R REC_A1L REC_A1L V- V+ GND GND FIL_TR FIL_BR DC_R2 DC_R1 FIL_TL FIL_BL DC_L2 DC_L1 SWOUT RBOUT LBOUT RSOUT LSOUT Q5501 NJW1157B 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35

35、 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 MPU_GND AMUT Z2MUT ADRT- ADRT+ ADLT- ADLT+ TUPACK_L TUPACK_R VIDEO4_L VIDEO4_R VLTNDAT VLTNCLK VLTNSTB

36、DAC_SBR DAC_FL DAC_FR DAC_SBL DAC_SW 5V MIC SB/PREMUTE POFF FSWSTB FSWCLK FSWDAT 10S 2.5VDSP 3.3VDSP DAC_CT DAC_SL DAC_SR -7V +7V +12VA -12VA -5V_VIDEO +5V_VIDEO A_GND VOLH THRM PRO VPOWER HPDET APOWER SEC1H -VP FLAC2 FLAC1 FSWSTB FSWCLK FSWDAT TAPEOUT_R SOURCE_R V1OUT_R Z2_R DAC_SBR DAC_FR DMIXR VP

37、OWER +12V DMIXL TAPEOUT_R -12V DAC_FL DAC_SBL V1OUT_L Z2_L SOURCE_L CD_R APOWER A_GND -12V DGND +12V -VP POFF 10S CD_L MULTI_SW MULTI_SR MULTI_SL +24V MULTI_C TAPEOUT_L AIN_R MPUGND VLTNDAT VLTNCLK VLTNSTB A1_GND TAPE_R AIN_LFL_OUT FR_OUT CT_OUT TAPE_L SL_OUT SR_OUT SBL_OUT VIDEO3_R SBR_OUT SW_OUT V

38、IDEO3_L MIC +12VD MIC V2OUT_R VIDEO4_R VIDEO4_L TUPACK_R V2OUT_L TUPACK_L TUNER_R TUNER_L CD_R CD_L TAPE_R TAPE_L V1OUT_R VIDEO3_R VIDEO3_L VIDEO2_RVIDEO2_R VIDEO2_LVIDEO2_L VIDEO1_R V1OUT_L VIDEO1_L MULTI_RZ2_LSW MULTI_LZ2_R VIDEO1_R VIDEO1_L ADRT- ADRT+ ADLT- ADLT+ AIN_R AIN_L MULTI_R AIN_L MULTI_

39、L SOURCE_L Z2_L SW SBR_OUT SBL_OUT SL_OUT SR_OUT Z2_R FL_OUT AIN_R CT_OUT FR_OUT SB/PREMUTE MULTI_SR SOURCE_R MULTI_SL MULTI_SW MULTI_C AMUT Z2MUT PRE_R PRE_L PRE_SR PRE_SL PRE_SW/SBL PRE_C PRE_SR PRE_SL PRE_SW/SBL PRE_R PRE_SBR PRE_SW/SBL PRE_L PRE_C PRE_SBR PRE_SW/SBL TO_P6906 TO NCPS-8546 FLAC2 F

40、LAC1 +24V -24V APOWER POFF 10S -12V +12V -VP A6 Only H3 Only T6, A6 Only T6, A6 Only Except T3, H3 Except T4, H4 T6 Only A6 Only H3 TO POWER AMP T3 2.2K2.2KR5610 - 5616 NoYesJ5654 10/502.2/50 TO NADG-8514 No No 0 2.2K RN1441 No 0 220K Q5617 Q5610 - 5616 C5607 R5620 - 5626 R5607 P7907 P7905 P7904 P79

41、03 P7902 TO NADG-8514 TO NADG-8514TO NADG-8514 NAAF-8523 VIDEO3 IN CENTER SURR L FRONT L VIDEO1 IN VIDEO1 OUT VIDEO2 IN TAPE IN TAPE OUT CD U05 AMPLIFIER PC BOARD (1/2) TO AMPLIFIER PC BOARD (2/2) APPLY MODELS & CODE CODEMODEL T3 H3 T4 H4 T5 A5 H5 T6 A6 TX-SR303 HT-R330 TX-SR403 / TX-SR8340 HT-R430

42、TX-SR503/503E / TX-SR8350 TX-SA503 HT-R530 TX-SR603 / TX-SR8360 TX-SA603 DVD IN FRONT R SURR R SUBWOOFER PREOUT SUBWOOFER 221J 221J NC Refer to following table about the parts displayed by mark . NC=No mount of parts. CODE CIRCUIT NO. AN34060A NC NC 330 330 NC NC NC NC NC NC NC MTZ6.3C MTZ6.3C 68(1W

43、) 68(1W) 220/25220/25 NC 0 220K 10/50 2.2K 2.2/63 T3H3 C5607 R5607 CIRCUIT NO. CODE R5600 - 5609 : RN1441 TO NAAF-8550 NC NC NC NC NC NC NC A 1 2 3 4 5 BCDEFGH TX-SR303/303E SCHEMATIC DIAGRAMS-1 AUDIO INPUT SECTION TX-SR303/303E J5658 J5659 J5654 J5620 J5644 J5620 RL5700 P6906 P5505 JL5501AJL5501B D

44、9005 D3SBA20 P9502 P5503 P311B P301 P302 P303 P5504 D5672 D5671 Q5640 2.5V7 3.3V5 5.0V2 GND4 MODE1 NC6 VCC3 Q5630 5 6 4 7 Q5503 5 6 4 7 Q5503 NJM4565M-D 3 8 2 1 Q5630 NJM4565M 3 8 2 1 R5809 R5808 R5813 R5814 R5812 R5811 R5595 10K R5594 10K R5590 10K R5597 1.2K R5596 470 R5598 10K R5593 1.2K R5592 47

45、0 R5591 10K R5599 10K R5634 10K R5633 1.2K R5632 15K R5631 47K R5630 220 Q5671 GI O Q5672 GI O C5591 330J C5590 330J C5631 221J C5632 103J C5555 472J C5554 224J C5552472J C5551224J C9020 1000/16 C9021 1000/16 C5666 C5667 C5671 C5672 C5652 220/25 C5569 10/63 C5570 10/63 C9010 4700/16 C5663 10/63 C566

46、2 10/63 C5660 10/63 C5661 10/63 C5650 10/63 C5653 10/63 C5651 10/63 C5640 10/63 C5643 22/25 C5642 22/25 C5641 22/25 C5668 220/25 C5669 220/25 C5673 220/25 C5674 220/25 C557610/63 C5567 10/63 C5568 10/63 C5571 10/63 C5630 10/16 C5664 220/25 C5665 220/25 C5608 47/50 C5609 47/50 C5606 47/50 C5607 C5600

47、 47/50 C5601 47/50 C5602 47/50 C5604 47/50 C5605 47/50 C5603 47/50 C557410/63 C557510/63 C557210/63 C557310/63 C5564 10/63 C5565 10/63 C55781/100 C557710/63 C5566 10/63 C5560 47/25 C5563 47/25 C5562 47/25 C5561 47/25 C5559 47/25 C5558 47/25 C5557 47/25 C5556 47/25 C5553 4.7/100 C5550 4.7/100 D9020RN

48、1N4003 D9021 RN1N4003 D5650 D9011 RN1N4003 D5651 D5711 D5710 D5700 1SS352 OR 1SS355 Q5650 NC Q566179M12HF GI O Q5655 79M05FA GI O Q566078M12HF GI O Q5654 LM2940CT-5.0 GI O Q5652 NC Q5651 NC Q5700 KRC102S OR RN1402 Q5617 Q5616 Q5611 Q5610 Q5615 Q5614 Q5613 Q5612 Q5609 Q5608 Q5607 Q5606 Q5601 Q5600 Q5

49、605 Q5604 Q5603 Q5602 Q5653 NC PURE AUDIO SWITCH C9017 102J C9005 334J MMT C5710 NC C5709 NC C5708 103J C5707 103J C5706 103J C5704 103J C5705 103J C5703 103J C5701 103J C5702 103J C5712 C5512 NC C5511 NC C5510 221J C5509 221J C5711 NC C5532 NC C5531 NC C5530 NC C5529 102J C5528 NC C5527 NC C5526 NC C5525 NC C5524 221J C5523 221J C5514 221J C5506 NC C5505 NC C5516 NC C5515 NC C5522 221J C5521 221J C5520 C5519 221J C5518 221J C5517 221J C5513 221J C5508 221J C5507 221J C5504 C5503 221J R5672 22 R5671 22 R