Onkyo-TXNR747-avr-sm 电路图 维修手册.pdf

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1、Service Manual 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 APPEAR AS SHOWN IN THIS MANUAL. MAKE LEAKAGE-CURRENT OR RESIS

2、TANCE MESUREMENTS TO DETERMINE THAT EXPOSED PARTS ARE ACCEPTABLY INSULATED FROM THE SUPPLY CIRCUIT BEFORE RETURNING THE APPLIANCE TO THE CUSTOMER. Published by Onkyo & Pioneer Corporation Grobal CS Department Ref.No. : CONTENTS Front Cover (This page) Note for Parts List Panel Reset Amp Diag Mode af

3、ter Abnormal Conditions Model and Destination Firmware Adjustment ( Unnecessary ) Hookup and Setting Trouble Shoot Disassembly Schematic Diagram Exploded View Appendix Pre Issue (2015-May) Final Issue (2015-Jun) TX-NR747 AV RECEIVER RadioFans.CN 收音机爱 好者资料库 5 4 3 2 1 6 D C A B D C A B 5 4 3 2 1 6 Not

4、e for Parts List COMMON When parts list is EXCEL file, please refer to the following explanation about file name. Destination Look at the rear panel serial number 6 digit. J Model No. Color Voltage Look at the rear panel serial number 5 digit. J Voltage J 100V AC D 120V AC M 220-240V AC P 230V AC U

5、100-240V AC Speaker System (without AMP.) : 0 Passive Subwoofer F Front Speaker C Center Speaker R Rear Speaker B Back Speaker Color (B) Black (BR) Brown (C) Cherry (G) Gold (GR) Green (H) Gray (K) Black (L) Blue (LB) Light Blue (M) Wood (O) Orange (P) Pink (R) Red (S) Silver (V) Violet (W) White (Y

6、) Yellow Destination J Japan C North American D USA F Taiwan S Brazil Q Hong Kong R China A Australia B United Kingdom K Korea L Russia P Europe U Worldwide Speaker System (without AMP.) : L Left channel R Right channel 0 Center channel File Name of Parts List File (EXCEL File) PL_TX-SR343(B)MJJ.xls

7、x RadioFans.CN 收音机爱 好者资料库 Panel 5 4 3 2 1 6 D C A B D C A B 5 4 3 2 1 6 Front Panel Rear Panel Remote Control Unit Accessory Front Panel / Rear Panel / Remote Control Unit TX-NR747 RC-898M Weight : 435 mm 175 mm 379 mm, 17-1/8 6-7/8 14-15/16 Dimensions (W H D) : 11.0 kg (24.3 lbs.) (North American a

8、nd Taiwanese), 11.5 kg (25.4 lbs.) (Others) Indoor FM antenna - (1) AM loop antenna - (1) Remote controller (RC-898M) - (1) Batteries (AA/R6) - (2) Power cord (European and Taiwanese models) - (1) Speaker setup microphone - (1) The number in parenthesis indicates the quantity. On packaging, the lett

9、er at the end of the product name indicates the color. 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 COMMON How to reset: Step1 While holding down CBL/SAT on the main unit (note that step 2 must be performed with this button pressed down) Step2 Press ON/STANDBY on the main un

10、it. (Clear appears on the display and the unit returns to standby.) Do not unplug the power cord until Clear disappears from the display. How to reset the remote controller: Step1 While holding down RECEIVER on the remote controller, press Q until the remote indicator stays lit (about 3 seconds). St

11、ep2 Within 30 seconds, press RECEIVER again. 方法 : 1. 本体CBL/SAT押（必押状態2.操作行） 2. 本体ON/STANDBY押（表示部Clear表示状態 戻） 表示部Clear消、絶対電源抜。 方法 : 1. RECEIVER押、点灯Q 3秒以上押 2. 30秒以内RECEIVER一度押 How to Reset the Unit Amp Diag Mode after Abnormal Conditions 5 4 3 2 1 6 D C A B D C A B 5 4 3 2 1 6 COMMON Protect Mode The u

12、nit goes into standby automatically when detect the abnormal condition of thermal detection, dc voltage detection or current detection. (e.g. TX-SR343 block diagram below) BACLA-1734 BAAF-1712 BAETC-1713 BAPS-1737 BAPRC-1758 MPU Q7009 VOLTAGE DRIVE SPEAKER - OUT RELAY RL6600 (FL/FR) Power amp. (Fron

13、t L) Q6050 Q6060 P6080 SPRLF THERMAL DETECT Q6300 POWER TRANS. T901 CURRENT DETECT Power Supply AC IN M POWER M POWER Relay RL9001 FUSE F9001 SEC-1 (HIGH) SEC-1 (LOW) FUSE F6401 F6402 RELAY RL6430 RL6440 Power Supply (H) (L) (H) or (L) SEC1H IPRO DC DETECT VPRO IPROTECT VPROTECT VOLTAGE DETECT VOLH

14、VOLH THERMAL P501 P9002 P8002 P9011 SUB TRANS. Power Supply for STANDBY VPRO : DC voltage detection IPRO : Current detection Amp Diag Mode after Abnormal Conditions 5 4 3 2 1 6 D C A B D C A B 5 4 3 2 1 6 COMMON Self-diagnostics This function is for avoiding the rupture of electrolytic capacitors wi

15、th amplifier circuit failure during power-ON. Operation of Self-diagnostic Self-diagnostic will start at the timing of next power on, after goes to the protect mode by Current detection or DC voltage detection. Only On/Standby key could work in this mode. Also remote control does not work. However,

16、the CLEAR operation is enabled. During Self-diagnostic, the power supply for amplifier circuit become low voltage state(SEC1-LOW), and the speaker relay will be turned off. Then, MPU will check each amplifier circuits Internally by entering the test signal (20 kHz,-20 dBFS sine wave) to each channel

17、 from DSP. MPU will judge the amplifier circuit is good or not from VOLH value. The normal range of VOLH value is 0.04 V VOLH ALL_D” will be displayed. 6. Select “USB - ALL_D” by PRESET(left/right) cursors and TUNING(up/down) cursors, then press ENTER button, updating will begin. 7. Wait until updat

18、e is completed. When the update ends, “Completed!” is displayed. (If you leave it, it automatically turns standby mode. ) 8. Press ON/STANDBY button, and the unit turns on. 9. Check the new FW version number. If the procedure might not be successful, please select “USB - ALL_M”. Hookup and Setting 5

19、 4 3 2 1 6 D C A B D C A B 5 4 3 2 1 6 No 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 suppor

20、ts ARC function, connect to his models HDMI 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

21、 sound from all connected TV or Blu-ray player 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 COMMON Hookup and Setting 5 4 3 2 1 6 D C A B D C A B 5 4 3 2 1 6 No Picture

22、In general Connection cable is bent , twisted 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 conn

23、ected player by component video terminal 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 COMMON Hookup and Setting

24、 5 4 3 2 1 6 D C A B D C A B 5 4 3 2 1 6 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 Afte

25、r 10 seconds, connect power cord again Reset this model COMMON TX-NR545/646/747 5 4 3 2 1 6 D C A B D C A B 5 4 3 2 1 6 Trouble Shoot Each voltage is shown as the reference value. 各電圧実測標準値 Here the trouble shoot which focuses on the hardware troubles regarding PCB assembly is explained. Of course, w

26、ith actual repair there are also troubles due to damaged Power Transformer, Wiring, soldering etc. in addition to PCB assembly. 故障基板特定。 見故障基板原因、電源接続 線結線付不具合考 Process Check Point Damaged PCB 1 J6718 (BAAF-1720) : +23V BAAF-1720 2 P7003B (BADG-1742) No.1 pin : +15V No.3 pin : -15V BAAF-1720 3 P801B (B

27、APRC-1760) No.5 pin : +15V BATRM-1754 4 P8003A (BADG-1742) No.20 pin : +3.3V BAPRC-1760 5 P8003A (BADG-1742) No.5 pin : Check signal No.7 pin : Check signal BAPRC-1760 6 Q1501 (BADG-1742) No.7 pin : Check signal BADG-1742 7 J6615 (BAAF-1720) : Check signal BAAF-1720 8 Q6050,Q6060 (BAAF-1720) Base :

28、Check signal Base : Check signal BACLA-1746 9 P801B (BAPRC-1760) No.3 pin : +3V BAAF-1720 10 P6080 (BAAF-1720) : Check signal BAAF-1720 11 BATRM-1754 No Sound (HDMI in) No Good OK No Good OK No Good OK No Good OK No Good OK No Good OK No Good OK No Good OK No Good OK No Good OK BAPRC-1760 BADG-1742

29、BACLA-1746 BATRM-1754 BAAF-1720 TX-NR545/646/747 5 4 3 2 1 6 D C A B D C A B 5 4 3 2 1 6 Trouble Shoot Each voltage is shown as the reference value. 各電圧実測標準値 Here the trouble shoot which focuses on the hardware troubles regarding PCB assembly is explained. Of course, with actual repair there are als

30、o troubles due to damaged Power Transformer, Wiring, soldering etc. in addition to PCB assembly. 故障基板特定。 見故障基板原因、電源接続 線結線付不具合考 Process Check Point Damaged PCB 1 J6718 (BAAF-1720) : +23V BAAF-1720 2 P7003B (BADG-1742) No.1 pin : +15V No.3 pin : -15V BAAF-1720 3 P801B (BAPRC-1760) No.5 pin : +15V BATR

31、M-1754 4 P8003A (BADG-1742) No.20 pin : +3.3V BAPRC-1760 5 P8003A (BADG-1742) No.15 pin : Check signal BADG-1742 6 P8003A (BADG-1742) No.5 pin : Check signal No.7 pin : Check signal BAPRC-1760 7 Q1501 (BADG-1742) No.7 pin : Check signal BADG-1742 8 J6615 (BAAF-1720) : Check signal BAAF-1720 9 Q6050,

32、Q6060 (BAAF-1720) Base : Check signal Base : Check signal BACLA-1746 10 P801B (BAPRC-1760) No.3 pin : +3V BAAF-1720 11 P6080 (BAAF-1720) : Check signal BAAF-1720 12 BATRM-1754 No Good OK No Sound (Opt in) No Good OK No Good OK No Good OK No Good OK No Good OK No Good OK No Good OK No Good OK No Good

33、 OK No Good OK BAPRC-1760 BADG-1742 BACLA-1746 BATRM-1754 BAAF-1720 TX-NR545/646/747 5 4 3 2 1 6 D C A B D C A B 5 4 3 2 1 6 Trouble Shoot Each voltage is shown as the reference value. 各電圧実測標準値 Here the trouble shoot which focuses on the hardware troubles regarding PCB assembly is explained. Of cour

34、se, with actual repair there are also troubles due to damaged Power Transformer, Wiring, soldering etc. in addition to PCB assembly. 故障基板特定。 見故障基板原因、電源接続 線結線付不具合考 No Sound (Analog in) Process Check Point Damaged PCB 1 J6718 (BAAF-1720) : +23V BAAF-1720 2 P7003B (BADG-1742) No.1 pin : +15V No.3 pin :

35、 -15V BAAF-1720 3 J6615 (BAAF-1720) : Check signal BAAF-1720 4 Q6050,Q6060 (BAAF-1720) Base : Check signal Base : Check signal BACLA-1746 5 P801B (BAPRC-1760) No.3 pin : +3V BAAF-1720 6 P6080 (BAAF-1720) : Check signal BAAF-1720 7 BATRM-1754 No Good OK No Good OK No Good OK No Good OK No Good OK No

36、Good OK BAPRC-1760 BADG-1742 BACLA-1746 BATRM-1754 BAAF-1720 TX-NR545/646/747 5 4 3 2 1 6 D C A B D C A B 5 4 3 2 1 6 Trouble Shoot Each voltage is shown as the reference value. 各電圧実測標準値 Here the trouble shoot which focuses on the hardware troubles regarding PCB assembly is explained. Of course, wit

37、h actual repair there are also troubles due to damaged Power Transformer, Wiring, soldering etc. in addition to PCB assembly. 故障基板特定。 見故障基板原因、電源接続 線結線付不具合考 No Picture (HDMI in/ out) Process Check Point Damaged PCB 1 P801B (BAPRC-1760) No.5 pin : +15V BATRM-1754 2 BAPRC-1760 No Good OK BAPRC-1760 BAT

38、RM-1754 TX-NR545/646/747 5 4 3 2 1 6 D C A B D C A B 5 4 3 2 1 6 Trouble Shoot Each voltage is shown as the reference value. 各電圧実測標準値 Here the trouble shoot which focuses on the hardware troubles regarding PCB assembly is explained. Of course, with actual repair there are also troubles due to damage

39、d Power Transformer, Wiring, soldering etc. in addition to PCB assembly. 故障基板特定。 見故障基板原因、電源接続 線結線付不具合考 No Picture (Component in/ HDMI out) Process Check Point Damaged PCB 1 P801B (BAPRC-1760) No.5 pin : +15V BATRM-1754 2 P2800B (BAPRC-1760) No.9 pin : +5V BAPRC-1760 3 P2800B (BAPRC-1760) No.3 pin :

40、Check signal No.5 pin : Check signal No.7 pin : Check signal BATRM-1754 4 BAPRC-1760 No Good OK No Good OK No Good OK BAPRC-1760 BATRM-1754 TX-NR545/646/747 5 4 3 2 1 6 D C A B D C A B 5 4 3 2 1 6 Trouble Shoot Each voltage is shown as the reference value. 各電圧実測標準値 Here the trouble shoot which focus

41、es on the hardware troubles regarding PCB assembly is explained. Of course, with actual repair there are also troubles due to damaged Power Transformer, Wiring, soldering etc. in addition to PCB assembly. 故障基板特定。 見故障基板原因、電源接続 線結線付不具合考 No Picture (Composite in/ HDMI out) Process Check Point Damaged P

42、CB 1 P801B (BAPRC-1760) No.5 pin : +15V BATRM-1754 2 P2800B (BAPRC-1760) No.9 pin : +5V BAPRC-1760 3 P2800B (BAPRC-1760) No.7 pin : Check signal BATRM-1754 4 BAPRC-1760 No Good OK No Good OK No Good OK BAPRC-1760 BATRM-1754 TX-NR545/646/747 5 4 3 2 1 6 D C A B D C A B 5 4 3 2 1 6 Trouble Shoot Each

43、voltage is shown as the reference value. 各電圧実測標準値 Here the trouble shoot which focuses on the hardware troubles regarding PCB assembly is explained. Of course, with actual repair there are also troubles due to damaged Power Transformer, Wiring, soldering etc. in addition to PCB assembly. 故障基板特定。 見故障

44、基板原因、電源接続 線結線付不具合考 BAPRC-1760 BACLA-1746 BATRM-1754 BAAF-1720 BAPS-1743 BADIS-1740 P7001 No Power Process Check Point Damaged PCB 1 C9001 (BAPS-1743) : AC100240V BAPS-1743 2 F9002 (BAPS-1743) BAAF-1720 and BACLA-1746 3 F6401, F6402 (BAAF-1720) BAAF-1720 and BACLA-1746 4 ANY PARTS (BAAF-1720) BAAF-17

45、20 and BACLA-1746 5 P7001(FFC) (BAPRC-1760) P7001(FFC) 6 P9011B (BAPRC-1760) No.4 pin : +12V (StandBy) +15V (PowerOn) BAPS-1743 7 P9011B (BAPRC-1760) No.1 pin : +3V BAPRC-1760 8 P701A (BAPRC-1760) No.1 pin : +5V BAPRC-1760 9 RL9001 (BAPS-1743) BAPS-1743 10 P9002 (BAPS-1743) : AC100240V BATRM-1754 11

46、 P7001(FFC) (BADIS-1740) P7001(FFC) 12 BADIS-1740 No Good OK No Good OK No Good OK No Good OK No Good OK No Good OK No Good OK No Good OK No Good OK No Good OK 1. When being not turned on with remote control unit only, BADIS-1740(TX)/ BADIS-1747(DTR) is abnormal. 2. When being not turned on with button on the main unit only, BADIS-1740(TX)/ BADIS-1747(DTR) is abnormal. No Good OK ANY PARTS on BAAF-1720 / BACLA-1740 Check damage parts Normal(OK) or Damage (No good) Check the damage in the red framework part as shown w