Onkyo-TXSR373-avr-sm 电路图 维修手册.pdf

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1、Service Manual Published by Onkyo it is not meant for the casual do-it-yourselfer. Qualified technicians have the necessary test equipment and tools, and have been trained to properly and safely repair complex products such as those covered by this manual. Improperly performed repairs can adversely

2、affect the safety and reliability of the product and may void the warranty. If you are not qualified to perform the repair of this product properly and safely, you should not risk trying to do so and refer the repair to a qualified service technician. TX-SR373 AV RECEIVER Pre Issue (2016-Nov) Final

3、Issue (2017-Feb) Ref.No. : 4625 CONTENTS Title Page (This page) Note for Parts List Panel Reset Amp Diag Mode after Abnormal Conditions Model and Destination Firmware Adjustment Hookup and Setting Trouble Shoot Disassembly Schematic Diagram Exploded View Appendix RadioFans.CN 收音机爱 好者资料库 COMMON 5 4 3

4、 2 1 6 D C A B D C A B 5 4 3 2 1 6 Note for Parts List D 120V AC G 220230V H 220230240V J 100V AC M 220240V AC P 230V AC U 100240V AC V 110240V W 120V220240V Speaker System (without AMP.) : 0 Passive Subwoofer F Front Speaker C Center Speaker R Rear Speaker B Back Speaker A Australia B United Kingdo

5、m C North American D USA F Taiwan J Japan K Korea L Russia P Europe Q Hong Kong R China S Brazil T Thai U Worldwide Speaker System (without AMP.) : L Left channel R Right channel 0 Center channel Voltage（電圧記号） Destination（仕向地記号） When parts list is EXCEL file, please refer to the following explanatio

6、n about file name. P L _ T X S R 3 4 3 ( B ) M J J . x l s x Model No. Color File Name of Parts List File (EXCEL File) (X) Not related to color (B) Black (M) Wood (BR) Brown (O) Orange (C) Cherry (P) Pink (G) Gold (R) Red (GR) Green (S) Silver (H) Gray (V) Violet (K) Black (W) White (L) Blue (Y) Yel

7、low (LB) Light Blue Destination（仕向地記号） Voltage（電圧記号） Look at the rear panel serial number 6 digit. J Look at the rear panel serial number 5 digit. J Color（色記号） RadioFans.CN 收音机爱 好者资料库 Panel TX-SR373 1 A B C D E 23456 123456 A B C D E Front Panel Rear Panel Remote Control Unit RC-928R Supplied Access

8、ories Dimensions : 435 mm (W) x 168 mm (H) x 326.5 mm (D) (17 1/8 in. (W) 6 5/8 in. (H) 12 13/16 in. (D) ) Weight (without package) : 8.0 kg (17.6 lbs) Remote control (RC-928R) - (1) Batteries/ (AAA/R03) - (2) FM wire antenna - (1) AM loop antenna - (1) Setup microphone - (1) C DTUNERT V B D/DVD STR

9、M BOXCBL EMAGTAS/USB SURROUNDSTEREOBLUETOOTH LISTENING MODE HOMEENTERRETURN TUNINGPRESET DSP TONE AV RECEIVER TX- SR373 PHONES ON / STANDBY MASTER VOLUME USBSETUP MIC 5V / 0.5A RECEIVERRECEIVER SURRSURR TREBLETREBLE DSPDSP AUDIO SELAUDIO SEL DISPLAYDISPLAY TUNERTUNER RC-928RRC-928R EDITEDITSLEEPSLEE

10、PTUNING TUNING + + TUNING TUNING - - PRESET PRESET - -PRESET PRESET + + LATE NIGHTLATE NIGHT TOP MENUTOP MENU BANDBAND QUICK MENUQUICK MENU CBL/SATCBL/SATSTRM BOXSTRM BOXBD/DVDBD/DVD RadioFans.CN 收音机爱 好者资料库 Reset 5 4 3 2 1 6 D C A B D C A B 5 4 3 2 1 6 TX-SR373 How to Reset the Unit Firmware 5 4 3 2

11、 1 6 D C A B D C A B 5 4 3 2 1 6 How to Check Firmware Version / How to Update Firmware TX-SR373 Check to the software virsion of MAIN, HDMI & CEC (SUB) microcomputers 1. Make sure that the main unit is in STANDBY mode. Press and hold about 3 seconds the both of ENTER and STANDBY/ON keys as same tim

12、e, Then it is appeared firmware version number. At this time, When you press the ENTER key to display each UCOM version, Each time the ENTER key is pressed, then indications on the FL display change as follows: 2. Turn the unit off. MAIN Ucom ENTER MAIN Xx.xx ENTER ENTER ENTER SUB Ucom SUB zzz.zz CE

13、C CEC Vy,yy DSP firmware All segments lit. ENTER Firmware 5 4 3 2 1 6 D C A B D C A B 5 4 3 2 1 6 TX-SR373 Necessary Tools and Connections 1 MAIN microcomputer PC with a serial port RS-232C cable (9-pin to 9-pin, straight cable) (Marketing product) UPDATE jig: GGF1642 (with 10P to 10P FFC) Firmware

14、Firmware Writer Application for PC (Flash Programmer M16C Flash Starter M3A-0806 Software) 6/downloads.jsp Connect as shown in the below figure and follow the procedure as below 1.Install the software for updating on the PC 2.Unplug the AC Cord of the main unit 3.Insert the FFC with its contact surf

15、ace facing the mark. 2 HDMI & CEC (SUB) microcomputer PC with a USB port USB cable (Marketing product) UPDATE jig: GGF1642 (with 10P to 10P FFC) Firmware Firmware Writer Application for PC (Cypress/Spansion FLASH MCU Programmer for FM0+/FM3/FM4) download.aspx Connect as shown in the below figure and

16、 follow the procedure as below 1. Install the software for updating on the PC. 2. Unplug the power cord of the main unit. Connect the FFC of the updating jig for updating to the main unit. (Orient the FFC so that the conductive surface of the connector faces the triangular a symbol.) 3. Start the so

17、ftware for updating on the PC. No Necessary connect Main and HDMI&CEC at the same time When you update Main, you connect Main only. When you update HDMI&CEC, you connect HDMI&CEC only. Preparation of Update When you have no “UPDATE jig GGF1642, Please order ONKYO service parts dept. Straight Cable A

18、dapter JIGs side 10P RS-232C Straight cable PC (MAIN microcomputer) Rear side 10P to 10P FFC UPDATE jig GGF1642 Firmware 5 4 3 2 1 6 D C A B D C A B 5 4 3 2 1 6 How to Update (Main MCU) 1/5 TX-SR373 Microcomputers update Procedures for MAIN microcomputer 1. Unplug the AC cord. Connect the FFC cable.

19、 ( MAIN microcomputer ) Start up application FlashSta on the PC. 2. Plug the AC cord. (STANDBY mode) For updating of the MAIN microcomputer, proceed with the following steps in STANDBY mode. Select for COM port. if the following messages are displayed Please push the cancel button and press the JIGs

20、 RESET button. And confirm a connection of FFC. Please return to procedure 1. 3. Press the OK button. 3 Press OK button to go to next step. 2. Enter ID. Enter ff in all field. 1 Selection of upgrade file Press the OK 2 Enter ID. Press the OK button. 4. Select the update file and enter ID. Note: You

21、need COM port number on Windows system “My computer”, “Right Click”, “Properties”, “Device manager” Click COM port properaties and Make sure COM port number. Firmware 5 4 3 2 1 6 D C A B D C A B 5 4 3 2 1 6 How to Update (Main MCU) 2/5 TX-SR373 5. Set speed update and update the MCU. 1 Set speed of

22、update. Press the OK button. 1 Set speed of update. Set Baud rate to 38400. 2 Update the MCU. E.P.R=Erase+Program+Read 2 Update the MCU Press the E.P.R button Click on Open 3 to open the File Selection window. Select Intel Hex files (*.hex) in File Type. If the following messages are displayed, shut

23、 the update program down, and start the update again from step 1. Select the 9600 of the Board rate then press the OK button Press the OK button. Press the Exit button. Please wait for until this window disappears. 6. Update Finished MAIN microcomputer. 7. Unplug the AC cord. Disconnect the FFC cabl

24、e. Push the JIGs RESET button during 1 sec. Press the OK button. Firmware 5 4 3 2 1 6 D C A B D C A B 5 4 3 2 1 6 How to Update (HDMI Sub MCU) 3/5 TX-SR373 for HDMI & CEC (SUB) microcomputer 1 2 3 4 Procedures To perform updating, proceed as follows: 1.Set the values for Target MCU and Crystal Frequ

25、ency, as follows: Target MCU: MB9AF156M/N/R 1 Crystal Frequency: 4MHz 2 2. Specify the software file to be updated. Click on Open 3 to open the File Selection window. Select Intel Hex files (*.hex) in File Type 3. Specify the COM PORT. Click on Set Environment 4 to open the Environment Setting windo

26、w. Assign the COM PORT number 5, according to the environment. Click on OK 6 to close the Environment Setting window. 5 6 7 Click on Full Operation (D+E+B+P)7. 5. After the window shown below is displayed, turn the main unit on. 6.Press the Reset button of the updating jig for updating. 7.When it is

27、 appeared below window, Then power turn on unit (ON) 8.Click on OK 8. 8 Firmware 5 4 3 2 1 6 D C A B D C A B 5 4 3 2 1 6 How to Update (HDMI Sub MCU) 4/5 TX-SR373 9. The indications in the window change, as indicated below: 10. Updating has been successfully completed if Full Operation OK! is displa

28、yed. Note: If an error message like the one shown below is displayed, after checking the connection of the updating jig for updating and the COM PORT setting, start updating again from Step 1. 11. Turn the main unit off then disconnect the updating jig for updating. 12. Perform Factory Reset on the

29、main unit. Or You have to make sure that It is necessary to turn on the unit at procedure 7 Firmware 5 4 3 2 1 6 D C A B D C A B 5 4 3 2 1 6 How to Update (DSP firmware update) 5/5 TX-SR373 Procedures 1. Select TV fucntion, and, with Signal select as OPTICAL1 then set the unit to STBY_Off mode. 2. P

30、ress the SPEAKERS and STANDBY/ON keys simultaneously to enter DSP UpDate mode. (DSP UP is displayed.) 3. When PLAY is displayed, playback of the .wav file starts. (Play the file only once. NEVER repeat playback.) (PLAY is displayed.) 4. After playback is finished and ENTER is displayed, press the EN

31、TER key on the front panel. (ENTER is displayed.) 5. WRITING is automatically displayed. 6. After writing is completed, COMPLETE is displayed. 7. Turn the unit off then confirm that the version has been updated. DSP firmware update Hookup and Setting 5 4 3 2 1 6 D C A B D C A B 5 4 3 2 1 6 COMMON No

32、 Sound No sound from connected player Chose input selector which is assigned to connected input terminal ? Isnt muting on ? No sound from connected TV Chose wrong input selector ? Connect to this models HDMI OUT terminal from TV by HDMI cable ? When TV supports ARC function, connect to his models HD

33、MI OUT terminal from TVs HDMI input terminal for ARC function ? When TV doesnt support ARC function, connect TV to this model with optical cable etc. ? Isnt muting on ? No sound from some connected loudspeaker(s) No sound loudspeaker(s) config is enabled ? No sound from all connected TV or Blu-ray p

34、layer etc. After chose loudspeaker volume level setting, test tone is OK ? No problem about above items Unplug power cord After 10 seconds, connect power cord again Reset this model Hookup and Setting 5 4 3 2 1 6 D C A B D C A B 5 4 3 2 1 6 COMMON No Picture In general Connection cable is bent , twi

35、sted or damaged ? Input is switched on TV ? No picture from connected player by HDMI input terminal Chose input selector which is connected to player ? Listening mode is not Pure Audio ? Dont use HDMI-DVI adaptor. From personal computer ? No picture from connected player by component video terminal

36、Output to TV connected to component video out terminal from players picture connected to the composite video input terminals ? No problem about above items Unplug power cord After 10 seconds, connect power cord again Reset this model Hookup and Setting 5 4 3 2 1 6 D C A B D C A B 5 4 3 2 1 6 COMMON

37、No Power In general Doesnt be connection cable bent, be it twisted and be it damaged? There is time when indication on the front panel doesnt just light up. Please check the connecting cord of a DISPLAY PCB. No problem about above items Unplug power cord After 10 seconds, connect power cord again Re

38、set this model Trouble Shoot 5 4 3 2 1 6 D C A B D C A B 5 4 3 2 1 6 TX-SR373 No Power 1/2 A Trouble Shoot 5 4 3 2 1 6 D C A B D C A B 5 4 3 2 1 6 No Power 2/2 TX-SR373 A Trouble Shoot 5 4 3 2 1 6 D C A B D C A B 5 4 3 2 1 6 No Display TX-SR373 Trouble Shoot 5 4 3 2 1 6 D C A B D C A B 5 4 3 2 1 6 N

39、o Sound 1/5 TX-SR373 B C Trouble Shoot 5 4 3 2 1 6 D C A B D C A B 5 4 3 2 1 6 No Sound 2/5 TX-SR373 B C D E F Trouble Shoot 5 4 3 2 1 6 D C A B D C A B 5 4 3 2 1 6 No Sound 3/5 TX-SR373 D E F G H I Trouble Shoot 5 4 3 2 1 6 D C A B D C A B 5 4 3 2 1 6 No Sound 4/5 TX-SR373 G H I J K Trouble Shoot 5

40、 4 3 2 1 6 D C A B D C A B 5 4 3 2 1 6 No Sound 5/5 TX-SR373 J K Schematic Diagram DMAIN1 TX-SR373 Schematic Diagram X2 SDA VA9635 - VA9638 - VA9641 - R9642 47K CEC_IO C791U-K C80- C831U-K C49100N-KC851U-K R2X2+ C13410N-K R2X1- R2X0+ R2X0- 778_MOSIR2XC+ 778_MISO C6810N-K R1X2+ IIS_SCLK C751N-K R1X1-

41、 IIS_SD1R1X0+ C73470P-K R1XC- C1643N3-K DDCSCLM C3910N-K DDCSDAM C1601- GND-H C16961U-K SCL VA9651 -VA9664 - VA9627 - VA9654 -VA9661 - VA9630 - VA9657 -VA9658 - R9621 47K VA9633 - V+5_R3 V+5_R4 R3147K V+5_R2 R3547K C53 100N-K C52 1N-K C4710N-K 0R36 R4810 H_MCLK R7847 IIS_SD3/DSD0_R R8047 R8347 C1884

42、70P-K C77- H+3.3V V+1R1_HD R16521K8 EN. VA1602- C1701330P-K R166856 ARCSPDIF GND-H GND-H GND-H VA9612- R965110 VA9617 - VA9608- R960410 VA9605- R964610 R3X2+ R3X2- R3X0+ R3X0- R3XC+ R3XC- SDA_3 R4X1+ R4X1- R4XC+ R4XC- SCL_4 HPD_4 V+5_R4 R2X2+ R2X2- R2X0+ R2X0- SCL_2 SDA_2 R1X1+ R1X1- R1XC+ R1XC- SCL

43、_1 HPD_1 V+5_R1 HPD_4 HPD_2 PSDA SDA_3 SDA_4 R3X2+ R3X2- R3X1+ R3X0- R3XC+ R4X2+ R4X1- R4X0+ R4XC+ R4XC- SCL_2 SCL_1 C87 13P-J X1 NC2 778_CS 778_MOSI C611N-K C1811U-K H+3.3V R30247K TXT1X0- TXT1X0+ TXT1X2- TXT1X2+ TXT1XC+ TXT1XC- C1 10P-J TXT1XC- TXT1XC+ TXT1X1- TXT1X1+ TXT1X2+ clock- clock+ Data0-

44、Data0+ Data2- Data2+ XHDSCRST PSCL HPD_1 HPD_3 EN HPD_4 H+5V GND-H VA9613- R965210 VA9611 - C9612 330P-K VA9610 - C9611 - VA9616- R9607 10 VA9615 - C9604 330P-K VA9614 - C9603 - VA9636 - VA9634 - VA9637 - VA9609- R960510 VA9607 - VA9606 - C9601 - VA9604- R964510 VA9603 - C9623 330P-K R9648 47K R9622

45、 47K R9682 0 VA9640 - R9680 0 R9691 10K Q9611 DTC124EUAT106 R9690 10K R9688 10K CEC_IO R3X1+ R3X1- SCL_3 HPD_3 V+5_R3 R4X2+ R4X2- R4X0+ R4X0- SDA_4 R2X1+ R2X1- R2XC+ R2XC- HPD_2 V+5_R2 R1X2+ R1X2- R1X0+ R1X0- SDA_1 HPD_3 HPD_1 PSCL SCL_3 SCL_4 R3X1- R3X0+ R3XC- R4X2- R4X1+ R4X0- SDA_2 SDA_1 10000N-K

46、 C103 C421U-K 10000N-K C63 R4722 V+1R1_HD0 V+3R3_HHH0 C43- GND-H C88 10N-K C147 10000N-K C78- C811U-K R28 10 R30 10 R93 47K R39 47 C41470P-K C82- C84- R34 10 C86 13P-J C7610N-K R2X2- R2X1+ 778_CS 778_SCLK R90 47K R77 47 GNDD C67470P-K R2XC- R1X2- R299 47K 778_SCLK R303 10K R300 - IIS_WS IIS_SD2 C741

47、00N-K R1X1+ R1X0- R1XC+ (4Mbit) C91- C56330P-K C65100N-K C66330P-K C38470P-K 10R60 10R59 L8 BD121 C1001U-K C101 1U-K C30- C291U-K R30147 C55- C341U-K 10000N-K C197 C44- C271U-K C5- C41U-K C28- C45 - L6 BKP_HS101-2125 BD121 L5 XHDOSDIRQ1 TXT1X1- TXT1X1+ C1698- C57 - L7 BD121 C7 - -C6 L2 BKP_HS101-2125 C2 - C1693- R1663 - H+5V HOTPLUGM TXT1X0- TXT1X0+ TXT1X2- C94 - C9319- C1686- C97