Onkyo-HTR280-avr-sm维修电路原理图.pdf

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1、HT-R280 SERVICE MANUAL AV RECEIVER MODEL HT-R280(B) Ref. No. 4212 072010 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. REPLACE THESE COMPONENTS WITH ONKYO PARTS WHOSE PART NUMBERS APPEA

2、R 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. RC-762M HT-R280(B) in HTiB “AVX-280(B)” : 120V, 60Hz, Canadian model Black model RadioFans.CN 收音

3、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/ 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

4、 +12V 2pin +10V BAETC-0376/0390 (Power supply) Replace Power Supply Board orRepair Sub Transformer T902 and itsperipheral circuit. BAETC-0376/0390 (Power supply) 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 repair

5、its 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 +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 inc

6、luding 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 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) ” a

7、nd also repair their peripheral circuit. After Power on, Voltage at JL952 AC10V Replace Power Transformer or Repair its peripheral circuit. Replace Video Board 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

8、/ 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 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

9、include every single case. The above waveforms are got by Oscilloscope of Maximum Horizontal Sensitivity: 100MHz. The results depend on the oscilloscope. Fluorescent Display Tube is not working? Replace Fluorescent Display Tube or BADIS-0373/0387(Display Board). BAPS-0342/0349/0356(-VP Board) JL953

10、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-0342/0349/0356 (-VP Board) Replace R950 (8.2 ) or -VP Board Replace Power transformeror Repair its peripheral circuit. BAPS-0342/0349/0356 (-VP Board) Rep

11、lace -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-0342/0349/0356(-VP Board) JL951 3pin-4pin AC40V BAPS-0342/0349/0356 (-VP Board) Replace -VP Board or Repair Q960/D960/D962/R961 and their peripheral circu

12、it. 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) Replace or Repair Q701 and their peripheral circuit. MPU Board. Replace Display Board or repair Q7003 and their peripheral circuit. 1 byte data addr

13、ess data 1 byte data data to be YES BADIS-0373/ 0387 (Display Board) NO NO YES TX-SR308 HT-280/ 380/ 538/ C230TX-SR308 HT-R280/ 380/ 538/ C230 TROUBLE SHOOT-3 No Sound A 1 2 3 4 5 BCDEFGH 6 7 8 IJK Y NNN Y YYNN NY Y 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_

14、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-0341(AF Board) AUDIO-SEL_OUT SR-J4083 FR-J4081 C-J4093 FL-J4095 SL-J4175 SW-J4082 refer to a figure (AMP_OUT) SR-R6064 FR-R6061 C-R6062 FL-R6

15、060 SL-R6063 SW-R6067 R6302 or 6322 +22V refer to a figure BCAF-0341 (AF Board) P6901(+49V) P6902(-49V) BAAF-0341(AF Board) Q4170 3pin +15V Q4171 3pin -15V D4172 anode +7V D4171 cathode -7V BAHDM-0403(HDMI Board) DIR_OUT P8001 3pin DIR_BCK 5pin DIR_LRCK 7pin DIR_FLR P8002 23pin DIR_MCK BADG-0364 (MP

16、U 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) BADG-0364(MPU Board) DAC_OUT BADG-0401(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(M

17、PU Board) P2001 21 22pin +5V BAETC-0352(torans terminal) JL952 1-3pin AC10V BAVD-0375(Video Board) BAHDM-0401(HDMI Board) P8001 16pin HDMI_SPDIF . 15pin HDMI_MCK 13pin HDMI_BCK 11pin HDMI_LRCK 9pin HDMI_FLR BAHDM-0401 (HDMI Board) JL801 1&4pin +12V BAETC-0352(torans terminal) JL952 1-3pin AC10V Note

18、: 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. No Sound from HDMI input Waveforms are no problem? BAVD-0375(Video) Replace Video Board or Repai

19、r Repair D9011/R9013/R9012 and their peripheral circuit. Replace Power transformer or Repair its peripheral circuit. BAHDM-0401(HDMI Board) Make sure that JL801 3pin is 12V Replace HDMI Board or Replace Q8101(HDMI_4RX) or Repair its peripheral circuit. No Sound from COASXL/OPT input Waveforms are no

20、 problem? Waveforms are no problem? Analog signal outputs from 4-9 pins of P5502? 4pin-FR 5pin-FL 6pin-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

21、-0382/0389(Video Board) Replace Video Board or Repair D9011/9013/R9012 and their peripheral circuit. BAHDM-0401(HDMI Board) Make sure that JL801 2pin & 4pin is 12V. Replace HDMI Board or Replace Q201(DSP-IC) or Repair its peripheral circuit. BAETC-0352(torans terminal) JL952 1-3pin AC10V BADG-0364(M

22、PU Board) Replace MPU Board or Replace Q302 or Repair its peripheral circuit. Replace Power transformer 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 pro

23、blem? Signal output is no problem? BCAF-0341(AF Board) Replace AF Board or Repair R4160/4166 D4300/4301/4302/4303 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? P5504 2pin, 4pin, 5pin Voltage changes from 0V to

24、 3V about 3 or 4 seconds after power-on? BADG-0364(MPU Board) P5503 6pin(I-pro):0V 5pin(V- pro):0V JL501 3pin(THE): +1V or lower 8pin(V-olh):0V Replace AF Board or Repair Q6053/6055/6052/6051 R6057, and their peripheral circuit. BADG-0364(MPU Board) Replace MPU Board or Replace Q701 and repair its p

25、eripheral circuit. BCAF-0341(AF Board) Replace AF Board or Repair Q4001 and its peripheral circuit. Y BCAF-0341(AF Board) Replace AF Board or Repair Q4170, Q4171, D4172, D4171 and their peripheral circuit. BCAF-0341(AF Board) Replace AF Board or Repair power IC(Q6601/6602) and their peripheral circu

26、it. BCAF-0341(AF Board) Replace AF Board or Replace D6901 F6901 F6902 and repair their peripheral circuit. Y figure central lead wire of the resistance BAAF-0341(AF Board) central lead wire of the resistance BAAF-0341(AF Board) BADG-0364(MPU Board) BAAF-0341(AF Board) TX-SR308 / 508 HT-R280/ 380/ 57

27、8/C230 TROUBLE SHOOT-4 No Pictuer TX-SR308 / 508 HT-R280/ 380/ 578/C230 NN YNYY Note: This is just for general reference and does not include every single case. No Picture from Analog inputs ?COMPONENT/S_VIDEO? BAVD-0375?Video) JL952_1pin-3pinn: AC10V Replace Power transformer or Repair its peripher

28、al circuit. BAVD-0375?Video) Replace Video Board or Replace Q2001 and repair its peripheral circuit. No Picture from HDMI input BADG-0401?HDMI Board) JL801 2pin / 4pin: ?12V BADG-0401?HDMI Board) Replace HDMI Board or Repair Q2001 and its peripheral circuit. BAVD-0375?Video) JL952_1pin-3pin: AC10V B

29、AVD-0375?Video) Replace Video Board or Repair D9011/R9013/R9012 and their peripheral circuit. TX-SR308/ 508 HT-R280/ 380/ 538/ 580/ C230 Reference materials BLOCK DIAGRAMS (HDMI Video & Digtal Audio Section) CEC CEC CEC CEC TMDS DDC RPWR HPD TMDS DDC RPWR HPD TMDS DDC RPWR HPD DDC RPWR HPD TMDS HPD

30、DDC TMDS I2C I2S I2S CEC BAHDM-0401 NDMI BOARD HDMI IN1 HDMI IN2 HDMI IN3 HDMI IN4 TX-SR508, HT-R580 Rx Port A Rx Port C HDMI 4Rx Tx Rx Port BTx Rx Port D ADV7623 Q8101 HDMI OUT 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 +5

31、V Hot Plug HDMI S/PDIF Q301 DIR/ 2CH ADC ARC S/PDIF HDMI MCK HDMI LRCK HDMI BCK HDMI FLR Q131 74HCU04F OP-1 OP-2 COAX-1 ANALOG L/R Q201 DSP Q302 6CH DAC DIR MCK DIR BCK DIR LRCK DIR FLR DIR MCK CX LRCK CX SCLK DSP SBLR DSP SLR DSP CSW DSP FLR SBL/ SBR SL/ SR C/ SW FL/ FR ARC S/PDIF DIR MCK HDMI S/PD

32、IF HDMI LRCK HDMI SBLR HDMI CSW HDMI SLR HDMI FLR HDMI SBLR HDMI CSW HDMI SLR HDMI LRCK HDMI FLR HDMI MCK HDMI BCK BADG-0364 MPU/DIR/DAC BOARD TX-SR308 HT-R280/ 380/ C230 Reference materials, (protect detection) TX-SR308 HT-R280/ 380/ C230 IPROTECT VPROTECT SEC1H VOLH * MPU R6903 47K R6902 1K Q6707

33、2SC2712-GR R6197 (1W) 8.2 AC_S1L- S1L+ S1L- AC S1H+ AC S1H- AC_S1L+ F6902 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 +49V -49V

34、 +24V +3.3VMPU GNDDG2 Q6380 LM61CIZ 1 G 2 O 3 V 3 2 1 C6631 NM THERMAL Q6051 KRC105 RL601 1 3 45 2 6 SPL Q6055 RL603 1 3 45 2 6 RL602 1 3 45 2 6 Q6053 RL605 1 3 45 2 6 Q6057 KRC105 RL607 1 3 45 2 6 SP_SL/ SR SP_FL/ FR SP_SW SPB_L/ R +22V SP_FL/ FR/ SW SPB_L/ R SP_SL/ SR/ C Amplifier PC board Amplifi

35、er PC board Thermal Senser PC board Speakers Terminal Power Amplifier IC KRC105 KRC105 Q6052 KRC105 SP_C L C6050 472K Q6010 2SC2240-BL R6070 56K R6080 12K R6100 33K FL R6060 0.22(2W) 1 +Vcc 2 -Vcc 3 GND 4 Ch1+RE 5 Ch1-RE VPRO R6120 47K D6020 R611047K 0V 0V R6219 220K C6092 1/50 D6034 UDZS3.3B R6218

36、10K R6211 33K Q6024 2SA1163-BL R6217 47K D6031 1SS133 D6032 1SS133 Q6022 2SC2240-BL C6090 100/25 R6215 NC C6091 1/50 D6033 UDZS3.3B R6216 220K C6093 104Z R6213 10K Q6021 2SA1163-BL R6214 47K Q6023 2SC2240-BL C6094 104Z IPRO IPROTECT VPROTECT +49V +49V -49V TX-SR308/ 508 HT-R280/ 380/ 538/ 580/ HT-RC

37、230 MAIN/DSP Update Procedure-1 (How to check FW Version) To check FW versions on Front Display, D:1.02/10416a38 M:1.07/10413AL 1. While the unit is on, hold down DISPLAY and the press ON/STANDBY. Main FW Version will be shown on Front Display. 2. While Main FW Version is shown, press +(TONE). DSP F

38、W Version will be shown on Front Display. * It depends on the version. * It depends on the version. DISPLAY +(TONE) ON/STANDBY Version Information Main: 1.07/10413AL DSP: 1.02/10419a38 OSD: 1.01/10204A0 CHECKSUM: 27D3879D OSD FW Version will not be shown on Front Display. To check FW Versions on the

39、 monitor, While the unit is on, hold down DISPLAY and the press ON/STANDBY. FW Versions of Main/DSP/OSD will be shown on the monitor like below. NOTE FW version combination * OSD FW cannot be updated. * Combination of OSD_FW and Main_FW has limitation . * Do not use combination except the list. OSD

40、menu will not appear. Before FW UPdate. check the versions of FWs. * To upgrade OSD FW version, Replace Q8105 SPI_MEMORY EN25Q32A-100HIP or HDMI Board. MainDSPOSD 1.041.001.00 1.05 1.06 1.07 1.08 1.09 1.01 1.01 FW Version Combination ”As of September, 2010” 1st Lot Later Lots e.g. e.g. 1.02 marking

41、NO A B C D E marking is the S/N end TX-SR308/ 508 HT-R280/ 380/ 538/ 580/ HT-RC230 Preparation for Update NOTE: See MAIN/DSP Update Procedure-1 *Combination of MAIN_FW and OSD_FW” has limitation. *OSD FW cannot be updated. MAIN/DSP Update Procedure-2 “Writing” will not be shown even more than about

42、15 seconds passed after starting playback, audio signal does not output at Sampling frequency:44.1kHz. Check the connection and settings and try again. When another try results in failure again, use the other update method. DURING FW UPGRADE,DO NOT TURN OFF THE UNIT. DO NOT REMOVE ANY CONNECTIONS. T

43、hese operation will not allow FW Upgrade any more, andthe whole board or IC will need replacing. Rear Panel OPTICAL 1 (VCR/DVR) DIGITAL OUT OPTICAL Connection Example USB-AUDIO interface unit. e.g. Onkyo-made ND-S1 PC(Personal Computer） For a different shape of OPTICAL terminal, Use a conversion ada

44、pter. L DIGITAL ANALOG REMOTE CONTROL OUT OUT OPTICAL DIGITAL OUT OPTICAL CD player Rear Panel OPTICAL 1 (VCR/DVR) ON/STANDBY STANDBY iPodPC SYNC/ UNSYNC iPod TRANSPORT USB cable DIGITAL OUT OPTICAL 1. PC （Personal Computer） which can play back wav files and output digital audio signal under Windows

45、 XP. 2. Software ： Given wav-formatted FW Store it in the PC in advance (PC Update) or burn a CD-R with it as a music disc (CD Update). * Instead of PC, CD players with DIGITAL output terminal can be used. Note: CD players need to output digital audio signal . Some CD players and DVD players are not

46、 suitable for update because they process audio signal to output. Burn a CD-R as music disc. 3. Connection: DIGITAL (OPTICAL/COAXIAL) ourput of PC/CD Player - DIGITAL (OPTICAL-1/COAXIAL-1) INPUT of TX-SR608 etc. * PC needs to be able to handle wav files and output digital audio signal. * For wav-com

47、patible PCs which do not output audio signal at the above specification, use a commercially-available USB-AUDIO interface unit. e.g. Onkyo-made ND-S1 * PC needs to run Windows XP. Windows Vista and Windows 7 do not work. * Set wave Volume to Maximum including Volume Control in Control Panel. For fur

48、ther information, please see Owners manual of your PC. Control Panel - Sounds and Audio Devices - Volume tab - Advanced - Turn all the levels to Max. TX-SR308/ 508 HT-R280/ 380/ 538/ 580/ HT-RC230 Writing. S/PDIF Update. Clear 4. When MAIN and DSP FWs are upgraded at the same time, select “TOTAL / AUTO” and press “ENTER.” For separate upgrade, select “MAIN” or “DSP” and press “ENTER.” 5. PC upgrade: Play back the stored wav file in your PC. CD upgrade: Play back the FW CD-R with the connected CD player.