Onkyo-TXSR702-avr-sm 电路图 维修手册.pdf

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1、TX-SR702 TX-SR702/E SERVICE MANUALSERVICE MANUAL Ref. No. 3826 092004 120V AC, 60Hz 230-240V AC, 50Hz 120/220-230V AC, 50/60Hz 220-230V AC, 50Hz AV RECEIVER MODEL TX-SR702/E Black, Golden and Silver models BMDD,BMDC,SMDC BMPP,SMPP,BMPA,GMPA,GMPT GMWT GMGK,GMGQ,GMGR SAFETY-RELATED COMPONENT WARNING!

2、THE MARK FOUND ON SOME COMPONENT PARTS INDICATES THE CRITICAL FOR RISK OF FIRE AND ELECTRIC SHOCK. WHEN REPLACING, BE SURE TO USE PARTS OF IDENTICAL DESIGNATION. MAKE LEAKAGE-CURRENT OR RESISTANCE MEASUREMENTS TO DETERMINE THAT EXPOSED PARTS ARE ACCEPTABLY INSULATED FROM THE SUPPLY CIRCUIT BEFORE RE

3、TURNING THE APPLIANCE TO THE CUSTOMER. RC-588M RadioFans.CN 收音机爱 好者资料库 TX-SR702/E SPECIFICATIONS Amplifier Section Video Section Tuner Section FM AM General Video Inputs Video Outputs Audio Inputs Audio Outputs Other Jacks Specifications and features are subject to change without notice. Power Outpu

4、t 2 channel driven: American 100 W + 100 W (8 ,20Hz 20kHz,FTC) European: 130 W + 130 W (6 ohm ,1kHz,DIN) Asian: 160 W + 160 W (6 ohm ,1kHz,JEITA) Dynamic Power230 W + 230 W (3 ohm ,Front) 170 W + 170 W (4 ohm ,Front) 115 W + 115 W (8 ohm ,Front) THD (Total Harmonic Distortion)0.08 % (Power Rated) Da

5、mping Factor60 (Front,1kHz,8 ohm ) Input Sensitivity and Impedance200 mV/ 47 kohm (LINE) 2.5 mV/ 4.7 kohm (PHONO MM) Output Level and Impeadance200 mV/ 470 ohm (REC OUT) Phono Overload70 mV (MM 1kHz 0.5 %) Frequency Response10 Hz100 kHz/ +1 dB-3 dB (Direct mode) Tone Control10 dB, 50 Hz (BASS) 10 dB

6、, 10 kHz (TREBLE) SN Ratio106 dB (LINEIHF-A) 80 dB (PHONO,IHF-A) Speaker ImpedanceAmerican : 6 ohm other :4 ohm Input Sensitivity/Output Level and Impedance1 Vp-p /75 ohm (Component and S-Video Y) 0.7 Vp-p /75 ohm ohm (Component Pb/Cb,Pr/Cr) 0.28 Vp-p /75 ohm (S-Video C) 1 Vp-p /75 ohm (Composite) C

7、omponent Video Frequency Response5 Hz 50 MHz Tuning Frequency RangeAmerican: 87.5 MHz107.9 MHz Others : 87.5 MHz108.0 MHz Usable SensitivityStereo; 17.2 dBf 2 V(75 ohm IHF) Mono; 11.2 dBf 1 V(75 ohm IHF) S/N RatioStereo; 70 dB (IHF-A) Mono; 76 dB (IHF-A) THDStereo; 0.3 % (1kHz) Mono 0.2 % (1kHz) Fre

8、quency Response30 Hz15 kHz / 1 dB Stereo Separation45 dB ( 1kHz ) Tuning Frequency RangeAmerican: 530 kHz1700 kHz Others: 522 kHz1611 kHz Usable Sensitivity30 V S/N Ratio40 dB THD0.70% Power SupplyAmerican: AC 120 V, 60 Hz Australian and European: AC 230-240 V, 50 Hz Others : AC 120/220-230 V, 50/60

9、 Hz AC 230-240 V, 50Hz AC 220-230 V, 50/60 Hz Power ComsumptionAmerican : 8.1A Others : 700 W Stand-by Power Comsumption1.0 W Dimensions(W x H x D) 435 W x 175 H x 430 D mm 17-1/8 W x 6-7/8 H x 16-15/16 D inches WeightAmerican, Australian, European, Singapore and East southern asian:15.2 kg 33.5 lbs

10、 Others:16.0 kg 35.3 lbs Component Video Input 1,2,3 S-Video Compatible Jack InputDVD,VIDEO1,VIDEO2,VIDEO3, VIDEO4 A/V InputDVD,VIDEO1,VIDEO2,VIDEO3, VIDEO4 Component Video OutputOUT S-Video Compatible Jack OutputMONITOR OUT,VIDEO1,VIDEO2 A/V OutputMONITOR OUT,VIDEO1,VIDEO2 Digital InputsOptical : 5

11、 Coaxial : 2 Analog InputsDVD(MULTICHANNEL),VIDEO1,VID EO2,VIDEO3,VIDEO4,TAPE,CD,PHO NO Multichannel Inputs6 Digital OutputsOptical : 1 Coaxial : 1 Analog OutputsTAPE,VIDEO1,VIDEO2 Multichannel Pre Outputs7 Subwoofer Pre Outputs 1 Speaker Outputs9 Phones1 RS-232 Control1 (Not American, Australian) I

12、R Input1 12V Trigger Out1 RadioFans.CN 收音机爱 好者资料库 2. To initialize the unit This device employs a microprocessor to perform various functions and operations. If interference generated by an external power supply, radio wave, or other electrical source results in accident which causes the specified o

13、perations and functions to operate abnormally. To perform a result, please follow the procedure below. 1.Press and hold down the VIDEO-1 button, then press the STANDBY/ON button. 2.After CLEAR is displayed, the preset memory and each mode stored in the memory, such as surround, are initialized and w

14、ill return to the factory setting. 3. Unplug the power supply cord. 3. Safety-check out (U.S.A. model only) After correcting the original service problem, perform the following safety check before releasing the set to the customer. Leakage Current Check Measure leakage current to a known earth groun

15、d(water pipe, conduit, etc.) by connecting a leakage current tester between the earth ground and exposed metal parts of the appliance (input/output terminals, screwheads,metal overlays, etc.). Plug the power supply cord directly into a 120V AC 60 Hz outlet and turn Standby switch on. Any current mea

16、usred must not exceed 0.5mA. 1. Replacing the fuses This symbol located near the fuses indicates that the fuse used is fast 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 l

17、e fusible utlise est a rapide. Pour une protection permanente, nuntiliser que fusibles de meme type. Ce darnier est la qu le present symbol est appse. 4.Setting the voltage selector (Worldwide models only) Worldwide models are equipped with a voltage selector to conform with local power supplies. Be

18、 sure to set this switch to match the voltage of the power supply in your area before plugging in the unit. Determine the proper voltage for your area: 220-230 V or 120 V. If the preset voltage is not correct for your area, insert a screwdriver into the groove in the switch. Slide the switch all the

19、 way to the upper (120 V) or to the lower (220-230 V), whichever is appropriate. 5.Setting the AM tuning step frequency (Worldwide models only) CIRCUIT NO. PART NO. DESCRIPTION Note: :120V model only : Other models except 120V model : Asian model only for 230V 120 V VOLTAGE SELECTOR 220-230 V 1 Pres

20、s the RECEIVER button fol- lowed by the SETUP button. The main menu appears onscreen. 2 Use the Up and Down / buttons to select 1. initial Setup, and then press ENTER. The Initial Setup menu appears. 3 Use the Up and Down / buttons to select 3. Hardware Setup, and then press ENTER. The Hardware Setu

21、p menu appears. 4 Use the Up and Down / buttons to select d. AM Fre- quency Step, and then use the Left and Right / buttons to select: 10 kHz: Select if 10 kHz steps are used in your area. 9 kHz: Select if 9 kHz steps are used in your area. 5 Press the SETUP button. The setup menu closes. RECEIVER E

22、NTER ENTER M enu - - - - - - - - - - - - - - - - - - - - - - - - 1. I ni t i al Set up 2. Speaker Set up Advanced Set up 3. Sur r ound Set up 4. Audi o Adj us t 5. Li s t eni ng M ode Pr es et 6. Pr ef er ence Bas i c Set up 1. I ni t i al Set up - - - - - - - - - - - - - - - - - - - - - - - - 2. Co

23、m ponent Vi deo 3. Har dwar e Set up 1. Di gi t al I nput 1- 3. Har dwar e Set up - - - - - - - - - - - - - - - - - - - - - - - - : Not Act i vat ed b. Sp I m pedance M i ni m um : 6ohm s c. TV For m at : NTSC d. AM Fr equency St ep : 9kHz a. Power ed Zone2 ENTER F6901,F6902 252303 or15A-TUL-250V or

24、 25219715A-UL/T-314,Fuse F901 252196 or12A-UL/T-314 or 25230112A-TUL-250V F902 252079 or6.3A-SE-EAK or 252245 or6.3A-SE-TL250V or 2522796.3A-SE-TL250V,Fuse F903 252164 or5A-UL/T-237 or 2522585A-T/UL-ST2 252075 or2.5A-SE-EAK or 252241 or2.5A-SE-TL250V or 2522752.5A-SE-TL250V F9501 252160 or2.5A-UL/T-

25、237 or 2522542.5A-T/UL-ST2,Fuse 252075 or2.5A-SE-EAK or 252241 or2.5A-SE-TL250V or 2522752.5A-SE-TL250V TX-SR702/E SERVICE PROCEDURES RadioFans.CN 收音机爱 好者资料库 A021 A038 A084 A085 A043 A187 A186 A091 A031 A031 A036 A031 U33 A031 A031 A042 A033 A037 A031 A211 A031 A101 Q6050 Q6055 Q6064 Q6066 A031 Q605

26、3A A151 A031 A031 A031 A031 T901 A070 A196 A057 E800 A056 A041 A018 A011 A006 A001 A031 A176 A017 A026 A051 A206 A201 A196 A029 A050 A013 A206 A201 A216 A101 Q6053A A031 A031 A081 U36 U18 U21 U22 U12 U32 U26 U30 U31 U29 U6 U19 U5 U16 U17 U7 U13 A031 A046 U27 A059 A031 U2 U4 U3 U1 P761 P7502 P6931 P7

27、501 F903 F901 F9501 F6902 F6901 P901 A009 A002 U10 U9 A005 A012 A171 U14 U23 A016 F902 A045 A031 A039 A040 A044 A061 A062 A063 A064 P961A Q6050A A083 TX-SR702/E EXPLODED VIEW TX-SR702/E A 1 2 3 4 BCDE TX-SR702/E BLOCK DIAGRAM Amplifier section TAPE_OUT_R TAPE_OUT_L V2_OUT_L V2_OUT_R V1_OUT_L V1_OUT_

28、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- RX0 RX1 RX2 RX3 RX4 RX5 TX RX6 MSL MSR MCT MSW DAC_FL DAC_CT DAC_SW DAC_FR DAC_SR DAC_SBR DAC_SBL DAC_SL VOLIN_SBR VOLIN_SBL MIC TUNER PACK VIDEO4 NJW1157 PHONO RIA

29、A CD TAPE OUT TAPE IN VIDEO3 IN VIDEO2 OUT VIDEO2 IN VIDEO1 OUT VIDEO1 IN DVD MSL/MSR MC/MSW COAX 1 COAX 2 Digital Input OPT FRNT OPT1 OPT2 OPT3 OPT4 OPT COAX Digital Output -6dB -6dB +9.7dB TC9162 DIR 2ch ADC 2ch ADC 2ch ADC CS5333 CS5333 CS42518 8ch DAC +6dB VLSCLPF TONE TONE MIC AMP +6dB +6dB VLS

30、CLPF +6dB VLSCLPF +6dB VLSCLPF LPFVLSC +6dB VLSCLPF non VLSC 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 48 47 93 92 91 95 90 89 88 86 85 84 83 87 82 81 80 94 9 8 12 17 10 19 20 21 11 18 4 25 3 26 2 27 22 7 23 6 5 24 16 15 1

31、4 13 49 48 43 42 47 46 45 44 50 14 13 14 13 4 4 37 36 17 19 35 34 32 33 31 30 28 29 26 27 + + A A A A European model only A 1 2 3 4 5 BCD TX-SR702/E BLOCK DIAGRAM Amplifier section Z2RL SBRL HPRL HPIN FRL CSRL FL_PO FR_PO CT_PO SBL_PO SBR_PO SW_PO SL_PO SR_PO SBMUT Z2LMUT AMUT Z2L_PO Z2R_PO 12V TRIG

32、GER Z IR IN RIex RS-232C 12V TRIDDER CONTROL IR DE-MODULATOR RI INTERFACE INTERFACE RS-232C FL FR SL SR SBL SBR CT SW POWER AMPLIFIER +29dB +29dB +29dB +29dB +29dB +29dB +29dB PREOUT FRONT LEFT FRONT RIGHT CENTER SURR. LEFT SURR. RIGHT HEADPHONES ZONE2 LEFT ZONE2 RIGHT SUUR. BACK LEFT SUUR. BACK RIG

33、HT SPEAKER TERMINALS R L TONE TONE +20.2dB DSPSD_RAM IC42S16100 2M Byte CS494003 FLASH ROM MX29LV040 2M Bit +6dB VLSCLPF +6dB VLSCLPF +6dB ZONE2 PREOUT/LINEOUT BD3814 7 6 5 4 3 2 1 8 107 118 106 81 80 86 134 109 110 58 54 63 62 64 1 26 27 21 20 22 23 27 28 All models except 120V and Australian model

34、s A 1 2 3 4 5 BCD TX-SR702/E BLOCK DIAGRAM Video section VIDEO1 DVD VIDEO2 VIDEO3 VIDEO4 S VIDEO INPUT DVD VIDEO1 VIDEO2 VIDEO3 VIDEO4 YC YC YC YC YC COMPOSITE VIDEO INPUT COMPONENT VIDEO INPUT Y1 CB1 CR1 Y2 CB2 CR2 Y3 CB3 CR3 NJM2595 Y NJM2595 NJM2595 C OSD LC74763-9836 V Y C CB CR Y DACA DACB DACC

35、 DACD DACE DACF AIN2 AIN1 AIN3 AIN4 AIN5 OSD*(SDET+SI) SDET*OSD+(OSD*SI) SDET*OSD+(OSD*SI) SDET*OSD C2 DIGITAL VIDEO ENCODER ADV7172 DIGITAL VIDEO DECODER ADV7183A Y1 COMPOSITE C1 COMPOSITE / Y2 6dB 6dB 6dB 6dB 6dB 6dB 6dB 6dB 6dB 0dB 0dB -6dB -6dB -6dB -6dB A 1 2 3 4 5 BCD TX-SR702/E BLOCK DIAGRAM

36、Video section COMPONENT VIDEO OUTPUT Y CB CR A B COMPOSITE VIDEO OUTPUT MONITOR VIDEO1 VIDEO2 VIDEO2 CY CY VIDEO1 CY MONITOR V Y C CB CR Y ACA ACB ACC ACD ACE ACF LA7106M S VIDEO OUTPUT SDET*OSD SDET*OSD SDET*OSD+(OSD*SI) LA7106M SDET*OSD+(OSD*SI) SDET*OSD+(OSD*SI) SDET*OSD+(OSD*SI) ODER 6dB 6dB 6dB

37、 6dB 6dB 6dB A 1 2 3 4 5 BCD TX-SR702/E SCHEMATIC DIAGRAM 1 Preamplifier section +12VA DAC_FR MIX_R -12VA MIX_L PZ2_L PZ2_R VIN_LDAC_SBL/Z2L DAC_FR DAC_SBR/Z2R FSWSTBFSWDAT FSWCLK AIN_L AIN_R DAC_FL DAC_FL VAI_L VAI_R VIN_R Z2TONE_RI Z2TONE_LI ADRT+ ADRT- ADLT+ ADLT- AIN_L MSR MCT MSL MSW SW_VO V4_R

38、 V4_L MIC_L AIN_R VLTNSTB VLTNCLK VLTNDAT TUP_L TUP_R Z2TONE_LI Z2TONE_RI FSWCLK FSWDAT FSWSTB Z2BDDAT Z2BDCLK Z2BDMUT VLTNSTB VLTNCLK VLTNDAT APOWER SPRLF SOURCE_L SOURCE_R REC_L REC_R TU_L TU_R DSPRST DSPCS DSPFCS DSPINT DSPFINT DIGCLK DIGSDI DIGSDO DIRINT DIRSDI DIRCS DIRRST ADCRST V3_L V3_R V1_L

39、I V1_RI DVD_R DVD_L V2_RI V2_LI TA_RI TA_LI CD_R CD_L DVD_L V1_LI DVD_R V1_RI MSW MSL MSR MCT TA_LO TA_RO V2_RO V2_LO TA_LI TA_RI V1_RO V1_LO V2_LI V2_RI V3_R V3_L PH_L PH_R SW_PO FL_PO FR_PO SBR_PO SBL_PO CT_PO SL_PO SR_PO CD_L CD_R PH_L0 PH_R0 V4_L V4_R MIC_L VIN_R DAC_CT VIN_L DAC_SR DAC_SL DAC_S

40、W VIN_SBR VIN_SBL DSP Section TAPE OUT VIDEO2 OUT VIDEO3 IN TAPE IN VIDEO2 IN VIDEO1 OUT VIDEO1 IN DVD MSL/MSR MC/MSW SCH. 2 TO NAVD-8409(SCH. 7)TO NADG-8366 (SCH. 9) CD PHONO NAAR-8365-1(1) Front R374 470 R376 10K R37710K R37910K R373 470 R375 10K C38447/16 + C38347/16 + R4370 R371 1.2K R372 1.2K R

41、378 10K R380 10K C381330J C358 4.7/50 + C352 104Z C355 4.7/50 + C365 104Z C366 47/16 + C368 47/16 + C36747/16 + C369 47/16 + C370 47/16 + C371 47/16 + C372 47/16+ C373 47/16+ C374 10/16 + C379 10/16 + C380 1/50 + C375 10/16 + R438 0 Q304 79L07 3 O 2 I 1 G Q305 TC9162 1VSS 2 3 4 5 6 7 8 9 10 11 12 13

42、STB 14GND15 CLK 16 DATA 17 COM4 18 S7 19 COM3 20 S6 21 S5 22 COM2 23 S4 24 S3 25 COM1 26 S2 27 S1 28 VDD Q306:A NJM4565M-D 7 4 5 6 8 Q306:B NJM4565M-D 1 2 3 C329 221J C330 221J C323 221J C324 221J C325 221J C326 221J C327 221J C328 221J C313 221J C314 221J C315 221J C316 221J C319 221J C320 221J R32

43、4 330 R323 330 R322 330 R321 330 R320 330 R319 330 R318 330 R317 330 R316 330 R315 330 R313 330 R330 56K R329 56K R305 330 R306 330 C304 104Z C303 104Z R339 56K R314 330 R311 330 R312 330 R309 330 R310 330 R307 330 R308 330 C305 104Z R348 56K R347 56K R346 56K R345 56K P303 9 7 8 6 4 5 3 1 2 10 P304

44、 9 7 8 6 4 5 3 1 2 10 R4340 R4330 P305 9 7 8 6 4 5 3 1 2 10 C376 10/16 + C377 10/16+ C356224J C357472J 13 14 15 16 17 18 Q303 78L07 1 O 2 G 3 I C353 220/16 + C354 220/16 + C351 104Z P351A 13 12 11 10 9 8 7 6 5 4 3 2 1 P352A 20 19 18 17 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 R336 56K R335 56K R340 56

45、K R367 10 C344 47/16 + R368 10 C334 47/50 + C336 220/6.3 + C335 220/6.3 + R360 560 R359 560 R364 22K R362270K R363 22K R361270K R358 470K R357 470K C333 47/50 + Q301:A NJM4565M-D 2 3 4 1 8 C309 221J C310 221J R303 330 R304 330 C301 104Z R301 330 C307 221J C308 221J R302 330 6 4 5 3 1 2 P301 3 1 2 4

46、C337 152J C338 152J C339 123J C340123J R365 1.2K Q301:B NJM4565M-D 5 6 7 R366 1.2K C343 47/16 + R3550 R3560 P2501A 1 2 3 4 5 6 7 R326 56K R325 C345 10/16 + C346 10/16 + C342392J C341 392J C359224J C360472J C364104Z C382330J Q302 NJW1157 51L1IN 52R1IN 53L2IN 54R2IN 55L3IN 56R3IN 57L4IN 58R4IN 59L5IN

47、60R5IN 61L6IN 62R6IN 63L7IN 64R7IN 65L8IN 66R8IN 67L9IN 68R9IN 69L10IN 70R10IN 71L11IN 72R11IN 73L12IN 74R12IN 75NC 76DGND 77DATA 78CLOCK 79LATCH 80LAIN 81RAIN 82CAIN 83LSAIN 84RSAIN 85LBAIN 86RBAIN 87SWAIN 88LBIN 89RBIN 90CBIN 91LSBIN 92RSBIN 93LBBIN 94RBBIN 95SWBIN 96GND 97GND 98VSS2 99VDD2 100TCC

48、AP 1 LOUT 2 ROUT 3 COUT 4 LSOUT 5 RSOUT 6 LBOUT 7 RBOUT 8 SWOUT 9 DC_L1 10 DC_L2 11 FIL_BL 12 FIL_TL 13 DC_R1 14 DC_R2 15 FIL_BR 16 FIL_TR 17 NC 18 NC 19 V+ 20 V- 21 REC_A1L 22 REC_A1R 23 REC_A2L 24 REC_A2R 25 REC_A3L 26 REC_A3R 27 REC_B1L 28 REC_B1R 29 REC_B2L 30 REC_B2R 31 DCCAP_L 32 DCCAP_R 33 DC

49、CAP_C 34 GND 35 GND 36 DCCAP_LS 37 DCCAP_RS 38 DCCAP_LB 39 DCCAP_RB 40 DCCAP_SW 41 DCL_OUT 42 DCL_IN 43 DCR_OUT 44 DCR_IN 45 FL+ 46 FL- 47 FR+ 48 FR- 49 VDD 50 VSS C378 10/16 + C42110/16 + C422 10/16 + C423 10/16 + C42410/16 + C427 10/16+ C428 10/16 +C425 10/16 + C426 10/16 + 56K -7V +7V V4E V4E U1 A 1 2 3 4 5 BCD TX-SR702/E SCHEMATIC DIAGRAM 1 Preamplifier section DAC_FR DAC_FL DAC_SBR DAC_SBL +12VA -12VA GND FANH SBR_VO CT_VO SL_