Onkyo-DTR20_2-avr-sm 电路图维修手册.pdf

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1、DTR-20.2 SERVICE MANUAL AV RECIEVER MODEL DTR-20.2 (B) ? Ref. No. 4198 Apr, 2010 SAFETY-RELATED COMPONENT WARNING! ? ? ? ? ? ? ? ? ? ? ? ? Black model RadioFans.CN 收音机爱好者资料库 DTR-20.2 SERVICE PROCESURE 1. Replacing the fuses 2. Safety check out (U.S.A. model only) After correcting the original servi

2、ce problem, perform the following safety check before releasing the unit to the customer. Leakage current Check Measure the leakage current to a known earth ground (water pipe or conduct etc.) by connecting a leakage current tester between the earth ground and exposed metal parts of the unit (input/

3、output ground terminals, screw heads or metal overlays etc.). Plug the power supply cord directly into a 120Vac 60Hz wall socket and turn ON/STANDBY button on. Any current measured must not exceed 0.5mA. 3. To initialize setting This symbol located near the fuse indicates that the fuse used is show

4、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. Ce demier est indiqu

5、e la qu le present symbol est apposre. : North American model REF. NO.PART NAMEDESCRIPTION Initialization of memories. Press ON/STANDBY button while pressing down VCR/DVR button when the unit is POWER ON, then the FLT displays CLEAR, and turn to STAND-BY. Remove power cord from power line. F6901FUSE

6、12A-TUL-250V252301GR F6902FUSE12A-TUL-250V252301GR F901FUSE10A-UL/T-233252330GR F901orFUSE10A-T/UL-ST2252330GR PART NO.REMARKS RadioFans.CN 收音机爱好者资料库 TX-SR308/ /508/ 578/ 608 HT-R280/ 380/ 538/ 580/ 680/ 980/ C230/ C260 DTR-20.2/ 30.2 TROUBLE SHOOT-1 No Power TX-SR308/ /508/ 578/ 608 HT-R280/ 380/

7、538/ 580/ 680/ 980/ C230/ C260 DTR-20.2/ 30.2 No Power YES NO YES YESNO NO YES BAETC-0376/0390 (Power supply) BADG-0364 (MPU Board) JL901 4pin +12V 2pin +10V BAETC-0376/0390 (Power supply) Replace Power Supply Board orRepair Sub Transformer T902 and itsperipheral circuit. BAETC-0376/0390 (Power supp

8、ly) BADG-0364 (MPU Board) After Power on, Voltage atJL901_1pin is changed from +12V t o 0V? BADG-0364 (MPU Board) Replace Q701 and also repairits peripheral circuit. BAETC-0376/0390 (Power Supply) F901 is blown out? BAAF-0355(AF Board) BADG-0346 (MPU Board) After Power on, Voltage at P2001 22/21pin

9、+5V 17/18pin +12V BAETC-0359/0352/0345/ (trans teminal Board) BAVD-0375/0389 (Video board) This is just for general reference and does not including every single case. Replacing F901 will not improve the unit. After replacing F901 on BAETC-0376/0390(Power supply) either of F901 on Power supply Board

10、 or F6901/F6902 on BAAF-0341(AF Board) blows out? Replace “AF Board”. or “D6901 (Power supply diode)” “Power AMP(Final_TR and A_Class AMP) ” and also repair their peripheral circuit. After Power on, Voltage at JL952 AC10V Replace Power Transformer or Repair its peripheral circuit. Replace Video Boar

11、d or Repair D901/Q9023/Q9031 and their peripheral circuit. YES YES NO NO NO RadioFans.CN 收音机爱好者资料库 TX-SR308/ /508/ 578/ 608 HT-R280/ 380/ 538/ 580/ 680/ 980/ C230/ C260 DTR-20.2/ 30.2 TROUBLE SHOOT- 2 No Display A 1 2 3 4 5 BCDEFGH FLD_CLKFLD_SDD(DATA) FLD_CS V:1V/cm H:02Msec/cm V:1V/cm H:10sec/cm

12、V:1V/cm H:1sec/cm No Display YES YES NONO NO NO YES YES NO YES Timing of Serial Communication This is just for general reference and does not include every single case. The above waveforms are got by Oscilloscope of Maximum Horizontal Sensitivity: 100MHz. The results depend on the oscilloscope. Fluo

13、rescent Display Tube is not working? Replace Fluorescent Display Tube or BADIS-0373/0387(Display Board). BAPS-0342/0349/0356(-VP Board) JL953 between 2pin-4pin: AC3.3V BAPS-0342/0349/0356 (-VP Board) JL951 1pin-2pin AC3.3V BAPS-0342/0349/0356 (-VP Board) R950(8.2 ) is disconnected? BAPS-0342/0349/03

14、56 (-VP Board) Replace R950 (8.2 ) or -VP Board Replace Power transformeror Repair its peripheral circuit. BAPS-0342/0349/0356 (-VP Board) Replace -VP Board or Check for signal line damage etc. and fix any damages. BAPS-0342/0349/0356 (-VP Board) JL953 3pin -33V 1pin and 5pin +3.3V BAPS-0342/0349/03

15、56(-VP Board) JL951 3pin-4pin AC40V BAPS-0342/0349/0356 (-VP Board) Replace -VP Board or Repair Q960/D960/D962/R961 and their peripheral circuit. BADIS-0373/ 0387 (Display Board) P701 26pin FLD_SDD 27pin FLD_CLK 28pin FLD_CS Transmission of each of the signals is correct? BADG-0413(MPU Board) Replac

16、e or Repair Q701 and their peripheral circuit. MPU Board. Replace Display Board or repair Q7003 and their peripheral circuit. 1 byte data address data 1 byte data data to be YES BADIS-0373/ 0387 (Display Board) NO NO YES TX-SR608 HT-RC260 DTR-20.2/ 30.2TX-SR608 HT-RC260 DTR20.2/ 30.2 TROUBLE SHOOT-3

17、 No Sound A 1 2 3 4 5 BCDEFGH 6 7 8 IJK Y NNN Y YYNN NYY N N N NN Y Y Y Y N N YY N Y N NNN Y NN YY N Y Y Y DIR_FLRDIR_LRCKDIR_BCKDIR_MCK DSP_FLR/SLR/CSWCX_LRCKCX_SCLKHDMI_MCK HDMI_FLRHDMI_LRCKHDMI_BCK V:1V/cm H:0.1/cmV:1V/cm H:5/cmV:1V /cm H:0.1v/cmV:1V/cm H:0.1v/cm HDMI_SPDIF V:1V/cm H:0.1/cm BAAF-

18、0355(AF Board) AUDIO-SEL_OUT Each PRE-OUT or P6600 SBR-1pin SR-3pin FR-5pin C-7pin FL-9pin SL-11pin SBL-13pin BATRM-0368(TRM Board) JL600(AMP_OUT) SR-6pin FR-5pin C-4pin FL-3pin SL-2pin SBR-7pin SBL-1pin BATRM-0368(TRM Board) JL603 1Pin +22V BCAF-0355 (AF Board) P6901(+55V) P6902(-55V) BAAF-0355(AF

19、Board) Q4170 3pin +5V Q4171 3pin -15V Q4184 E +7V Q8185 E -7V BAHDM-0403(HDMI Board) DIR_OUT P8001 3pin DIR_BCK 5pin DIR_LRCK 7pin DIR_FLR P8002 23pin DIR_MCK BADG-0364(MPU Board) DSP_OUT P8002 24pin DSP_FL/R P8001 8pin DSP_SL/R , 10pin DSP_CSW , 4pin CX_SCLK . 6pin CX_LRCLK BADG-0364(MPU Board) BAD

20、G-0364(MPU Board) DAC_OUT BADG-0403(HDMI Board) JL801 2pin and 4pin +12V BAETC-0359(torans terminal) JL952 1-3pin AC10V BADG-0364(MPU Board) P2001 21 22pin +5V BADG-0364(MPU Board) P2001 21 22pin +5V BAETC-0359(torans terminal) JL952 1-3pin AC10V BAVD-0375/0389(Video Board) BAHDM-0403(HDMI Board) P8

21、001 16pin HDMI_SPDIF . 15pin HDMI_MCK 13pin HDMI_BCK 11pin HDMI_LRCK 9pin HDMI_FLR BADG-0403 (HDMI Board) JL801 1&4pin +12V BAETC-0359 (torans terminal) JL952 1-3pin AC10V Note: This is just for general reference and does not include every single case. The above waveforms are got by Oscilloscope of

22、Maximum Horizontal Sensitivity: 100MHz. The results depend on the oscilloscope. No Sound from HDMI input Waveforms are no problem? BAVD-0375/0389(Video) Replace Video Board or Repair Repair D9011/R9013/R9012 and their peripheral circuit. Replace Power transformer or Repair its peripheral circuit. BA

23、HDM-0403(HDMI Board) Make sure that JL801 3pin is 12V Replace HDMI Board or Replace Q8501(HDMI_4RX) Q81061(HDMI 1st SW) or Repair its peripheral circuit. No Sound from COASXL/OPT input Waveforms are no problem? Waveforms are no problem? Analog signal outputs from 4-9 pins of P5502? 4pin-FR 5pin-FL 6

24、pin-SW 7pin-C 8pin-SR 9pin-SL Replace MPU Board or Replace U131/132 Q301 Q131 or Repair their peripheralcircuit. Replace Video Board or Repair Q9031/D9011/R9013/R9012 and their peripheral circuit. BAVD-0375/0389(Video Board) Replace Video Board or Repair D9011/9013/R9012 and their peripheral circuit

25、. BAHDM-0401(HDMI Board) Make sure that JL801 2pin & 4pin is 12V. Replace HDMI Board or Replace Q2001(DSP-IC) or Repair its peripheral circuit. BAETC-0359(torans terminal) JL952 1-3pin AC10V BADG-0364(MPU Board) Replace MPU Board or Replace Q302 or Repair its peripheral circuit. Replace Power transf

26、ormer or Repair its peripheral circuit. BAVD-0382/0389(Video Board) Replace Video Board or Repair Q9031/D9011/R9013/R9012 and their peripheral circuit. No Sound from ANALOG input Signal output is no problem? Signal output is no problem? BCAF-0355(AF Board) Replace AF Board or Repair R4160/4166 D4300

27、/4301/4302/4303 and their peripheral circuit. BADG-0364(MPU Board) P5503 3pin (SEC1H) Voltage changes from 0V to 3V about 2 or 3 seconds after power-on? BATRM-0368(TRM Board) JL610 1pin, 2pin, 3pin, 4pin Voltage changes from 0V to 3V about 3 or 4 seconds after power-on? BADG-0364(MPU Board) P5503 6p

28、in(I-pro):0V 5pin(V- pro):0V JL501 3pin(THE): +1V or lower 8pin(V-olh):0V BATRM-0368(TRM Board) Replace TRM Board or Repair Q6601/6602/6603/6604 R6690, and their peripheral circuit. BADG-0364(MPU Board) Replace MPU Board or Replace Q701 and repair its peripheral circuit. BCAF-0355(AF Board) Replace

29、AF Board or Repair Q4001 and its peripheral circuit. Y BCAF-0355(AF Board) Replace AF Board or Repair Q4170, Q4171, Q4181,Q4185 and their peripheral circuit. BCAF-0355(AF Board) Replace AF Board or Repair Final TR and their peripheral circuit. BACLA-0362 (A_Class amp Board) Replace “A_Class amp Boar

30、d” and their peripheral circuit. BCAF-0355(AF Board) Replace AF Board or Replace D6901 F6901 F6902 and repair their peripheral circuit. Y TX-SR578/ 608 HT-R680/ 980/ RC260 DTR-20.2/ 30.2 TROUBLE SHOOT-4 No Pictuer A 1 2 3 4 5 BCDEFGH N Y Y NN YNY Y Y YY N Y BAVD-0375/0389 (Video Board) JL952 1-3pin

31、AC10V BAVD-0375/0389 (Video Board) BADG-0403(HDMI Board) JL801 2&4pin +12V BADG-0403(HDMI Board) Q8200(cannot Replace) BAVD-0375(Video) JL952 1-3pin AC10V BAVD-0375/0389 (Video Board) Q9022 3pin +5V BAVD-0375/0389 (Video Board) No Picture from HDMI (COMPONENT/S_VIDEO Input) BADG-0403(HDMI Board) P28

32、01 2pin V out 4pin Y out 6pin B out 8pin R out Video Signal OK? BADG-0403(HDMI Board) Q8200(cannot Replace) BADG-0403(HDMI Board) Q8200(cannot Replace) BADG-0403(HDMI Board) Q8200(cannot Replace) Y Note: This is just for general reference and does not include every single case. No Picture from Analo

33、g (COMPONENT/ S_VIDEO Input) Replace Video Board or Replace Q2001 and repair its peripheral circuit. Replace Video Board or Replace Q9022 and repair its peripheral circuit. Replace Power transformer or Repair its peripheral circuit. BAVD-0375/0389 (Video Board) Replace Video Board or Replace D9011/R

34、9013 /R9012 and repair its peripheral circuit. No Picture from HDMI (All HDMI Input) No Picture from HDMI (HDMI Input from 1 to 4) No Picture from HDMI (Front HDMI Input) No Picture from HDMI (COMPONENT/S_VIDEO Input) No Picture from HDMI (All HDMI Input) No Picture from HDMI (HDMI Input from 1 to 4

35、) No Picture from HDMI (Front HDMI Input) Replace HDMI Board or Replace Q8161/8501/8801/8802 /8803/8804/8806/8807 and repair its peripheral circuit. Replace HDMI Board or Replace Q8803/8804/8401 and repair its peripheral circuit. Replace HDMI Board or Replace Q8501/8801/8802 /8803/8804/8806/8807 and

36、 repair its peripheral circuit. Replace HDMI Board or Replace Q8161/8501/8801/8802 /8803/8804/8806/8807 and repair its peripheral circuit. TX-SA578/ 578V/ 608 TX-SR508/ 608 HT-R680/ 980/ C260 DTR-20.2/ 30.2 Reference materials BLOCK DIAGRAMS (HDMI Video & Digtal Audio Section) BAHDM-0403 HDMI Board

37、A 1 2 3 4 5 BCDEFGH RPWR DDC TMDS 10bit x3 12bit x3 10bit x3 12bit x3DDC TMDS TMDS DDC HPD TMDS CEC DDC RPWR HPD TMDS CEC DDC RPWR HPD TMDS CEC DDC RPWR HPD TMDS CEC DDC RPWR HPD TMDS CEC DDC RPWR HPD TMDS CEC DDC RPWR HPDCEC I2C HDMI S/PDIF I2S HPD CEC ARC S/PDIF I2S C4P SV3P A2P HDMI Fast Switchin

38、g HDMI Buffer RxTx Rx0 Rx1 Rx2 Rx4 Rx3 Tx Q8661 TMDS141 SiI9387 Q8161 HDMI 4Rx Rx3 Rx1 Rx2 Video SEQUIOA TTL inTTL out Processor TTL Bus switch TTLTx SII9233 Q8501 Q8200 FLI32626 Q8803 Q8804 Q8802 Q8801 TC74VCX162827FT x4 SII9136 Q8401 HDMI Tx HDMI OUT Rx0 B3P CH,BH,AH AVS,AHS I2C HDMI IN2 HDMI IN3

39、HDMI IN4 HDMI IN5 HDMI FRONT TX-SR608, TX-SA608, DTR-30.2 HDMI IN1 TX-SR608, TX-SA608, HT-RC260, DTR-20.2, DTR-30.2 +5V Hot Plug HP DET +5V DDC CEC TMDS HP DET +5V DDC CEC TMDS HP DET +5V DDC CEC TMDS HP DET +5V DDC CEC TMDS HP DET +5V DDC CEC TMDS HP DET +5V DDC CEC TMDS HP DET +5V DDC CEC TMDS ADI

40、NPY ADINPB ADINPR ADINCV RGB VS,HS I2C GND TX-SR608, TX-SA608, HT-RC260, DTR-20.2, DTR-30.2 PC VIDEO IN 12bit x3 Bus switch Q8806 Q8807 TC74VCX162827FT x2 Q201 DSP Q301 DIR/ 2CH ADC Q302 6CH DAC ARC S/PDIF HDMI MCK HDMI BCK HDMI LRCK HDMI FLR DIR MCK DIR BCK DIR LRCK DIR FLR DIR MCK CX LRCK CX SCLK

41、DSP SBLR DSP SLR DSP CSW DSP FLR ADIN(FFC) Q205 TC74VHC157F PCMLRCK_DR0 PCMBCK_DSDCLK MXK_HDMI PCMLR_DL0 DIR MCK CX LRCK CX SCLK DSP FLR DIR MCK SBL/ SBR SL/ SR C/ SW FL/ FR Q131 74HCU04F OP-1 OP-2 COAX-2 COAX-1 ANALOG L/R BADG-0403 MPU/DIR/DAC Board HDMI MCK HDMI BCK HDMI LRCK HDMI FLR PCMSLR_DR1 P

42、CMCSW_DL1 PCMSBLR_DR2 HDMI MCK HDMI BCK HDMI LRCK HDMI FLR PCMSLR_DR1 PCMCSW_DL1 PCMSBLR_DR2 HDMI S/PDIF HDMI S/PDIF TX-SA608 TX-SR608 HT-RC260 DTR-202./ 30.2 Reference materials, (protect detection) TX-SA608 TX-SR608 HT-RC260 DTR-202./ 30.2 VPRO VOLH SPL 2SA1962 2SC5242 ID+ ID- 54.5V -54.5V (NH) R6

43、170 47K R6180 47K R6160 33K D6000 KDS4148U 12 R6100 0.22(5W) P6080 NPLG-2P29 1 2 Q6070 2SC2229 R6190 NM D6010 NM 12 R6140 56K R6150 10K Q6050 2SC4468 Q6060 2SA1695 C6050 103J IPRO IPROTECT VPROTECT SEC1H VOLH * MPU R6903 47K R6902 1K R6709 5.6K R6708 33K D6702 KDS4148U 21 D6701 KDS4148U 21 Q6701 2SC

44、2712-GR C6701 100/25 R6710 4.7K R6702 10K R6706 220K C6703 104Z Q6703 2SA1163-BL Q6702 2SC2712-GR R6704 47K C6704 1/50 C6706 10/50 R6701 22K Q6713 2SA1163-BL C6713 104Z R6712 10K C6714 1/50 R6716 220K R6714 47K D6703 UDZS3.3B D6713 UDZS3.3B D6704 UDZS3.3B R6721 NM Q6707 2SC2712-GR R6197 (1W) 8.2 AC_

45、S1L- S1L+ S1L- AC S1H+ AC S1H- AC_S1L+ F6902 12A 250V F6901 C6911 102J D6901 D10XB60H 3 4 2 C6913 334J/100V SN5051 1 SN50511 D6902 1SS352 12 RL6902 NRL-1P10A-DC12-196 4 3 52 1 RL6901 NRL-1P10A-DC12-196 5 3 4 1 2 C6915 104J C6916 104J C6912 334J/100V 1 3 S3 S2 S4 S1 T901 54.5V -54.5V +24V 54.5V +3.3V

46、MPU GNDDG2 Q6380 LM61CIZ 1 G 2 O 3 V 3 2 1 C6631 NM THERMAL Q6601 RN1205 RL6600 1 3 45 2 6 SPL Q6602 RN1205 RL6603 1 3 45 2 6 RL6602 1 3 45 2 6 Q6604 RN1205 RL6607 1 3 45 2 6 Q6603 RN1205 RL6605 1 3 45 2 6 SP_RLCS SP_RLF SP_RLSB SP_RLZ2 +22V SP_RLSB SP_RLF SP_RLZ2 SP_RLCS Amplifier PC board Amplifie

47、r PC board Thermal Senser PC board Speakers Terminal PC board Power Amplifier PC board TX-SR578/ 608 HT-R680/ 980/ C260 DTR-20.2/ 30.2 Rear Panel OPTICAL 1 (VCR/DVR) DIGITAL OUT OPTICAL 1. PC （Personal Computer） which can play back wav files and output digital audio signal under Windows XP. 2. Software ： Given wav-formatted FW Store it in the PC in advance (PC Update) or burn a CD-R with it a