Onkyo-DTR20_7-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. : Pre Issue (2015-Jun) Final Issue (2015-Jun) AV RECEIVER DTR-20.7 CONTENTS Front C

3、over (This page) Note for Parts List Panel Reset Amp Diag Mode after Abnormal Conditions Model and Destination Firmware Adjustment ( Unnecessary ) Hookup and Setting Trouble Shoot Disassembly Schematic Diagram Exploded View Appendix 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 RC-899M Weight : 8.8 kg (19.4 lbs.) (North American), 9.0 kg (19.8 lbs.) (Others) Dimensions (W H D) : 435 mm 174 mm 326.5 mm, 1

8、7-1/8 6-7/8 12-7/8 Indoor FM antenna - (1) AM loop antenna - (1) Remote controller (RC-899M) - (1) Batteries (AA/R6) - (2) Power cord - (1) Speaker setup microphone - (1) The number in parenthesis indicates the quantity. On packaging, the letter at the end of the product name indicates the color. DT

9、R-20.7 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 unit. (Clear appears on the display and the unit r

10、eturns 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). Step2 Within 30 seconds, press RECEIVER again. 方法

11、: 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 unit goes into standby automatically when detect

12、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. (Front L) Q6050 Q6060 P6080 SPRLF THERMAL DETECT Q630

13、0 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 VOLH THERMAL P501 P9002 P8002 P9011 SUB TRANS. P

14、ower 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 with amplifier circuit failure during power-ON. Op

15、eration 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, the CLEAR operation is enabled. During Self-diag

16、nostic, 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 from DSP. MPU will judge the amplifier circuit

17、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 update is completed. When the update ends, “Completed

18、!” 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 4 3 2 1 6 D C A B D C A B 5 4 3 2 1 6 No Sound

19、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 HDMI OUT

20、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 player e

21、tc. 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 In general Connection cable is bent , twisted or

22、 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 Output

23、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 5 4 3 2 1 6 D C A B D C A B 5 4 3 2 1 6 No Powe

24、r 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 Reset thi

25、s model COMMON TX-NR545/646/747 DTR-20.7/30.7/40.7 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 a

26、lso 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 / 1749) No.1 pin : +15V No.3 pin : -15V BAAF-1720 3 P801B (BAPRC-1760) No.5 pin :

27、+15V BATRM-1754 4 P8003A (BADG-1742 / 1749) No.20 pin : +3.3V BAPRC-1760 5 P8003A (BADG-1742 / 1749) No.5 pin : Check signal No.7 pin : Check signal BAPRC-1760 6 Q1501 (BADG-1742 / 1749) No.7 pin : Check signal BADG-1742(TX-) BADG-1749(DTR-) 7 J6615 (BAAF-1720) : Check signal BAAF-1720 8 Q6050,Q6060

28、 (BAAF-1720) Base : Check signal Base : Check signal BACLA-1746(TX-) BACLA-1753(DTR-) 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 N

29、o Good OK No Good OK BAPRC-1760 BADG-1742(TX-) BADG-1749(DTR-) BACLA-1746(TX-) BACLA-1753(DTR-) BATRM-1754 BAAF-1720 TX-NR545/646/747 DTR-20.7/30.7/40.7 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 o

30、n 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 Process Check Point Damaged PCB 1 J6718 (BAAF-1720) : +23V BAAF-1720

31、2 P7003B (BADG-1742 / 1749) No.1 pin : +15V No.3 pin : -15V BAAF-1720 3 P801B (BAPRC-1760) No.5 pin : +15V BATRM-1754 4 P8003A (BADG-1742 / 1749) No.20 pin : +3.3V BAPRC-1760 5 P8003A (BADG-1742 / 1749) No.15 pin : Check signal BADG-1742(TX-) BADG-1749(DTR-) 6 P8003A (BADG-1742 / 1749) No.5 pin : Ch

32、eck signal No.7 pin : Check signal BAPRC-1760 7 Q1501 (BADG-1742 / 1749) No.7 pin : Check signal BADG-1742(TX-) BADG-1749(DTR-) 8 J6615 (BAAF-1720) : Check signal BAAF-1720 9 Q6050,Q6060 (BAAF-1720) Base : Check signal Base : Check signal BACLA-1746(TX-) BACLA-1753(DTR-) 10 P801B (BAPRC-1760) No.3 p

33、in : +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 OK No Good OK BAPRC-1760 BADG-1742(TX-) BADG-1749(DTR-) BACLA-1746(TX-) BACLA-1753(DTR-) BATRM-1

34、754 BAAF-1720 TX-NR545/646/747 DTR-20.7/30.7/40.7 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 al

35、so 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 / 1749) No.1 pin : +15V No.3 pin : -15V BAAF-1720 3 J6615 (BAA

36、F-1720) : Check signal BAAF-1720 4 Q6050,Q6060 (BAAF-1720) Base : Check signal Base : Check signal BACLA-1746(TX-) BACLA-1753(DTR-) 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 Good O

37、K BAPRC-1760 BADG-1742(TX-) BADG-1749(DTR-) BACLA-1746(TX-) BACLA-1753(DTR-) BATRM-1754 BAAF-1720 TX-NR545/646/747 DTR-20.7/30.7/40.7 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 trou

38、bles 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 (HDMI in/ out) Process Check Point Damaged PCB 1 P801B (BAPRC-1760) No.5 pin

39、: +15V BATRM-1754 2 BAPRC-1760 No Good OK BAPRC-1760 BATRM-1754 TX-NR545/646/747 DTR-20.7/30.7/40.7 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 exp

40、lained. 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 (Component in/ HDMI out) Process Check Point Damaged PCB 1 P801B (BAPRC-1760) No.5 pin : +15V BATRM-1754 2 P280

41、0B (BAPRC-1760) No.9 pin : +5V BAPRC-1760 3 P2800B (BAPRC-1760) No.3 pin : 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 DTR-20.7/30.7/40.7 5 4 3 2 1 6 D C A B D C A B 5 4 3 2 1 6 Trouble S

42、hoot 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 damaged Power Transformer, Wiring, soldering etc. in addition to PCB assembly. 故

43、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 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.7 pin : Check signal BATRM-1754 4 BAPRC-1760 No Good OK No Good OK No Good OK BAPR

44、C-1760 BATRM-1754 TX-NR545/646/747 DTR-20.7/30.7/40.7 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 ar

45、e 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 BAPRC-1760 BACLA-1746(TX-) BACLA-1753(DTR-) BATRM-1754 BAAF-1720 BAPS-1743(TX-) BAPS-1750(DTR-) BADIS-1740(TX-) BADIS-1747(DTR-) P7001 No Power Process Check Point Dama

46、ged PCB 1 C9001 (BAPS-1743 / 1750) : AC100240V BAPS-1743(TX-) BAPS-1750(DTR-) 2 F9002 (BAPS-1743 / 1750) BAAF-1720 BACLA-1746(TX-) BACLA-1753(DTR-) 3 F6401, F6402 (BAAF-1720) BAAF-1720 and BACLA-1746 4 ANY PARTS (BAAF-1720) BAAF-1720 BACLA-1746(TX-) BACLA-1753(DTR-) 5 P7001(FFC) (BAPRC-1760) P7001(FFC) 6 P9011B (BAPRC-1760) No.4 pin : +12V (StandBy) +15V (PowerOn) BAPS-1743(TX-) BAPS-1750(DTR-) 7 P9011B (BAPRC-1760) No.1 pin : +3V BAPRC-1760 8 P701A (BAPRC-1760) No.1 pin : +5V BAPRC-1760 9 RL9001 (BAPS-1743 / 1750) BAPS-1743(TX-) BAPS-1750(DTR-) 10