SAFETY-RELATED COMPONENT WARNING!! : COMPONENTS IDENTIFIED BY MARK 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...
File Name of Parts List File (EXCEL File) Note for Parts List When parts list is EXCEL file, please refer to the following explanation about file name. PL_TX-SR343(B)MJJ.xlsx Destination Model No. Color Look at the rear panel serial number 6 digit. ○...
On packaging, the letter at the end of the product name indicates the color. Weight : 8.6 kg (19.0 lbs.) Dimensions (W × H × D) : 435 mm × 173.5 mm × 329 mm, 17-1/8" × 6-13/16" × 12-15/16" TX-NR545...
Reset How to Reset the Unit ● How to reset: ●リセット方法 : Step1 本体のCBL/SATボタンを押しながら(必ず押した状態で2.の操作を行ってください) While holding down CBL/SAT on the main unit (note that step 2 must be performed with this button pressed down) 本体のON/STANDBYボタンを押す(表示部に「Clear」が表示されてスタンバイ状態に Step2 戻ります) Press ON/STANDBY on the main unit. ("Clear" appears on the display and the unit returns ●...
Protect Mode Amp Diag Mode after Abnormal Conditions The unit 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) BAPRC-1758 BAETC-1713 THERMAL THERMAL DETECT Q6300 SPRLF Q7009 VOLH M POWER...
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Self-diagnostics Amp Diag Mode after Abnormal Conditions This function is for avoiding the rupture of electrolytic capacitors with amplifier circuit failure during power-ON. Operation of Self-diagnostic Display of during Self-diagnostics Self-diagnostic will start at the timing of next power on, after goes to the protect mode 2 Line FL tube type by Current detection or DC voltage detection.
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Repair Process and How to Confirm Amp Diag Mode after Abnormal Conditions Confirmation of the protect cause Protected by current detection While NG channel is displayed, You can confirm the protect cause by following the step below. 1. Press the Enter button 2.
Model and Destination [TV] + [ON/STANDBY] → [DIMMER] or [RT/PTY/TP] → [TONE +] x 4 Model Name Distination FL Display TX-NR545 N R 5 4 5 2 0 0 0 TX-NR545 N R 5 4 5 0 0 0 0...
Step2 : [TONE +] remove it. NET Firmware Version will appear on the main unit’s display. 2. Download the firmware file (package file) from the Onkyo FTP-server. Step3 : [TONE +] However European service partners should download the firmware file (package file) from DSP Firmware Version will appear on the main unit’s display.
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(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. <Note> If the procedure might not be successful, please select “USB -> ALL_M”. TX-NR545/646/747 DTR-20.7/30.7/40.7...
Hookup and Setting No Sound ■ No sound from connected player □ Chose input selector which is assigned to connected input terminal ? □ Isn’t muting on ? ■ No sound from connected TV □ Chose wrong input selector ? □...
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Hookup and Setting No Picture ■ 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 ? □...
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Hookup and Setting No Power ■ In general □ Doesn't be connection cable bent, be it twisted and be it damaged? ■ There is time when indication on the front panel doesn't just light up. □ Please check the connecting cord of a DISPLAY PCB. ■...
Base : Check signal BACLA-1746 ● Base : Check signal No Good P801B (BAPRC-1760) BAAF-1720 ● No.3 pin : +3V No Good P6080 (BAAF-1720) BAAF-1720 ● : Check signal BATRM-1754 ●Each voltage is shown as the reference value. ●各電圧は実測した標準値です TX-NR545/646/747...
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Base : Check signal BACLA-1746 ● Base : Check signal No Good P801B (BAPRC-1760) BAAF-1720 ● No.3 pin : +3V No Good P6080 (BAAF-1720) BAAF-1720 ● : Check signal ●Each voltage is shown as the reference value. BATRM-1754 ●各電圧は実測した標準値です TX-NR545/646/747...
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Base : Check signal BACLA-1746 ● Base : Check signal No Good P801B (BAPRC-1760) BAAF-1720 ● No.3 pin : +3V No Good P6080 (BAAF-1720) BAAF-1720 ● : Check signal BACLA-1746 BATRM-1754 BAAF-1720 ●Each voltage is shown as the reference value. ●各電圧は実測した標準値です TX-NR545/646/747...
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Of course, with actual repair there are also troubles due to damaged Power Transformer, Wiring, soldering etc. in addition to PCB assembly. Process Check Point Damaged PCB P801B (BAPRC-1760) No Good BATRM-1754 ● No.5 pin : +15V BAPRC-1760 BAPRC-1760 BATRM-1754 ●Each voltage is shown as the reference value. ●各電圧は実測した標準値です TX-NR545/646/747...
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● No.9 pin : +5V P2800B (BAPRC-1760) BATRM-1754 ● No.3 pin : Check signal No Good BATRM-1754 ● No.5 pin : Check signal ● No.7 pin : Check signal BAPRC-1760 ●Each voltage is shown as the reference value. ●各電圧は実測した標準値です TX-NR545/646/747...
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BATRM-1754 ● No.5 pin : +15V BAPRC-1760 No Good P2800B (BAPRC-1760) BAPRC-1760 ● No.9 pin : +5V BATRM-1754 No Good P2800B (BAPRC-1760) BATRM-1754 ● No.7 pin : Check signal BAPRC-1760 ●Each voltage is shown as the reference value. ●各電圧は実測した標準値です TX-NR545/646/747...
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●Each voltage is shown as the reference value. 1. When being not turned on with remote control unit only, BADIS-1740(TX)/ BADIS-1747(DTR) is abnormal. ●各電圧は実測した標準値です 2. When being not turned on with button on the main unit only, BADIS-1740(TX)/ BADIS-1747(DTR) is abnormal. TX-NR545/646/747...
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Check signal J6615 ca. 1.5V P6080 Front F6401 Check damage ● Normal (OK) or blown (No good) F6402 Q6050 Q6060 Check damage ● Normal (OK) or blown (No good) Back ●Each voltage is shown as the reference value. ●各電圧は実測した標準値です TX-NR545/646/747...
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No.7 pin : Check signal 5.6V Input terminal : HDMI IN or OPT IN Input signal(HDMI/ OPT IN) : Test disc 1kHz 0dB Audio format : LPCM, Dolby Digital(Otherwise, CD) Back ●Each voltage is shown as the reference value. ●各電圧は実測した標準値です TX-NR545/646/747...
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No.4 pin : ca. +12V (Stand By), ca. +15V (Power On) P9011B Check voltage ● No.1 pin : ca. +3V P701A Check voltage ● No.1 pin : ca. +5.2V Back ●Each voltage is shown as the reference value. ●各電圧は実測した標準値です TX-NR545/646/747...
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C9007 J9002 J9011 R 9010 Q9002 Q9003 C9010 T9001 R 9015 R 9027 R 9031 CAM84 Q9004 CAM86 J9003 J9004 C9004 P9011A J9005 P9003 C9013 C9006 L9002 R 9021 Back ●Each voltage is shown as the reference value. ●各電圧は実測した標準値です TX-NR545/646/747...
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Check Point (BADIS-1740) Trouble Shoot P7001 ● Check damage and connection How to check 1.Disconnect the FFC from the socket. 2.Check the contacts of the FFC. P7001 Back ●Each voltage is shown as the reference value. ●各電圧は実測した標準値です TX-NR545/646/747...
Front Panel Section Disassembly This is TX-NR646. TX-NR545/747 is same mostly structurally. Please refer to PANEL pages for detailed place by the terminal. Except TX-NR545 BADIS-1740 BAETC-1745 BAHDM-1770(Except TX-NR545) TX-NR545/646/747...
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FAN Section Disassembly This is TX-NR646. TX-NR545/747 is same mostly structurally. Please refer to PANEL pages for detailed place by the terminal. (Except TX-NR545) TX-NR545/646/747...
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Processor & WiFi Section Disassembly This is TX-NR646. TX-NR545/747 is same mostly structurally. Please refer to PANEL pages for detailed place by the terminal. Except TX-NR545 BAPRC-1760 BARF-1771 : TX-NR646/747 BARF-1567 : TX-NR545 WIFI BT COMB MODULE TX-NR545/646/747...
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Video & Tuner Section Disassembly This is TX-NR646. TX-NR545/747 is same mostly structurally. Please refer to PANEL pages for detailed place by the terminal. BATRM-1754 BARF-1731 + SHLD CASE (TUNER-TOP & BOTTOM) TX-NR545/646/747...
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Power Supply & Digital Section Disassembly This is TX-NR646. TX-NR545/747 is same mostly structurally. Please refer to PANEL pages for detailed place by the terminal. BAPS-1743 BADG-1742 TX-NR545/646/747...
Amplifier Section - 1 Disassembly BACLA-1746 This is TX-NR646. TX-NR545/747 is same mostly structurally. Please refer to PANEL pages for detailed place by the terminal. BAAF-1720 TX-NR545/646/747...
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Amplifier Section - 2 Disassembly This is TX-NR646. TX-NR545/747 is same mostly structurally. Please refer to PANEL pages for detailed place by the terminal. BACLA-1746 BAAF-1720 TX-NR545/646/747...
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Amplifier Section - 3 Disassembly This is TX-NR646. TX-NR545/747 is same mostly structurally. Please refer to PANEL pages for detailed place by the terminal. BAAF-1720 TX-NR545/646/747...
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Amplifier Section - 4 Disassembly This is TX-NR646. TX-NR545/747 is same mostly structurally. Please refer to PANEL pages for detailed place by the terminal. BAETC-1721 TX-NR545/646/747...
Block Diagrams (Audio section) Schematic Diagram Model Name Abbreviated Model Name Model Name Abbreviated Model Name TX-NR545 DTR-20.7 TX-NR646 DTR-30.7 TX-NR747 DTR-40.7 MODEL NO. TX-NR545/646/747,DTR-20.7/30.7/40.7 BLOCK DIAGRAM (PART-1) AUDIO SECTION BAETC1745 (ONKYO model) BADIS1740 BAAF1720 AUX IN (ONKYO model) BAETC1752 (FRONT IN)
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Block Diagrams (Video section) Schematic Diagram Model No.TX-NR545/646/747,DTR-20.7/30.7/40.7 SCHEMATIC DIAGRAM (PART-2) BLOCK DIAGRAM(VIDEO) BAPRC1760 HDMI MEMORY SPI for UPDATE Q8000 HDMI TMDS REPEATER TMDS MN864788 RPWR HP DET TMDS TMDS TMDS TMDS RPWR RPWR HP DET HP DET AUDIO IN...
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Block Diagrams (Digital Audio section) Schematic Diagram SCHEMATIC DIAGRAM (PART-3) BLOCK DIAGRAM(Digital Aud MODEL NO.TX-NR545/646/747,DTR-20.7/30.7/40.7 MAIN OUT Q3108 Ethernet PHY Wi-Fi/BT Module KSZ8081RNL WCBN4601L-O1 HDBaseT Q3001 Q3404 N3,T4:IPU HDBaseT CS49844 DA830 EMAC USB 1.1 USB 2.0 OSCIN Only for D4...
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ASP section Schematic Diagram MODELNO.TX-NR545/646/747,DTR-20.7/30.7/40.7 SCHEMATIC DIAGRAM (PART-4) ASP SECTION FROM BADG-1742(PART-9):TX TUNER FROM BADG-1742(PART-9):TX FROM BADG-1749(PART-9):DTR FROM BADG-1749(PART-9):DTR FROM BARF-1730/31 P5502B P5503B 2.5mm FFCCABLE BD TO BD BD TO BD NPLG-20P0975 NPLG-19P0974 9 10 11 12 13 14 15 16 17 18 19 20...
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AMP section Schematic Diagram MODELNO.TX-NR545/646/747,DTR-20.7/30.7/40.7 SCHEMATIC DIAGRAM (PART-5) AMP SECTION CRIMP AS CRIMP AS P6401B P6402B -69V BAAF-1720(2/2) AV=29dB AV=29dB R5183 1/4W R6023 R6233 1/4W Q5033 R6080 *Q6050 R6083 *Q6053 INA6006AP1-T111 LIST LIST 0.22 0.22 MODEL R6140 R6143 EU/EX 1/4W...
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Power supply section Schematic Diagram MODEL NO. TX-NR545/646/747, DTR-20.7/30.7/40.7 SCHEMATIC DIAGRAM (PART-6) PS SECTION THE COMPONENTS IDENTIFIED MARK ARE CRITICAL FOR SAFETY, REPLACE ONLY WITH PART NUMBER SPECFIED. CAUTION VOLTAGE (MEASURED WITH VOLTMETER) IS DC VOLTAGE. (NO INPUT SIGNAL) FOR CONTINUED PROTECTION AGAINST FIRE HAZARD, ELECTRLYTIC CAPACITORS ( ) ARE IN uF/WV.
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Terminal (video/ speaker out) section Schematic Diagram MODEL No. TX-NR545/646/747,DTR-20.7/30.7/40.7 SCHEMATIC DIAGRAM(PART-7) VIDEO/SPOUT/12VTRG SECTION No Mount Mount 20.7 BATRM-1754 20.7 30.7 30.7 40.7 D/J type M type D/J type M type D type J type M type D/J type M type...
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Phone jack section Schematic Diagram MODEL NO. DTR-20.7/30.7/40.7 SCHEMATIC DIAGRAM(PART-8) H/P SECTION BAETC-1752 HEAD PHONE MSJ-064-05A GR GND_DG 1/2W P7751 HPDET R7752 L7751 GND_L L7752 R7751 1/2W L7753 1 2 3 4 P7752 NEJITANSI ST3...
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Bluetooth module connector section Schematic Diagram MODEL NO.TX-NR545/646/747, DTR-20.7/30.7/40 . 7 SCHEMATIC DIAGRAM(PART-9)DG SECTION TO BAPRC-1760(PART-10):TX-NR545/646/74 7 TO BAPRC-1760(PART-10):TX-NR545/646/747 DTR-20.7/30.7/40.7 DTR-20.7/30.7/40.7 P8003 A IMSA-9850S-2 4 P8002 A IMSA-9850S-2 6 Rear sid e Front sid e BADG-1742 TX-NR545/646/74 7 BADG-1749 DTR-20.7/30.7/40. 7...
3TTB+8B(3CM)SR <NOTE> A401 No description screw is 3TTB +8B(BC). x 9 pcs. 3TTB+8B(BC) P2510 Unit : mm Except TX-NR545. 3TTB+8B(3CM)SR 4TTC+8C(3BC)SR Refer to “heat sink section” x 4 pcs. Refer to “rear section” T901 Refer to “front section” A002 x 4 pcs.
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Front section Exploded View This is TX-NR646. Other models are same mostly structurally. 2.6TTB+8B(3BC) Please refer to PANEL pages for detailed place by the terminal. BADIS-1740 x 19 pcs. BAHDM-1770 (Except TX-NR545 ) BAETC-1745 HDMI CORDP8651 A204 A210 A201 A203...
(à l’exception des extrémités : mains, poignets, pieds et chevilles). F6401 3P+6FN(3BC) U002A F6402 P101 x 5 pcs. BAAF-1720 This is TX-NR646. Other models are same mostly structurally. Please refer to PANEL pages for detailed place by the terminal. TX-NR545/646/747...
About Button Action Use the following expression simplify description button operation. Step1 Set the volume level as 25. (TX-NR545/646/DTR-20.7/30.7) Example-1 : [TV/CD] + [ON/STANDBY] → [BD/DVD] Set the volume level as 30. (TX-NR747/DTR-40.7) Means press and hold [ON/STANDBY] while pressing [TV/CD] button, then press [BD/DVD] Step2 button.
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Operation Check Appendix How to enter test mode Step1 : Set the volume level as 25. (TX-NR545/646/DTR-20.7/30.7) How to check FL Display Set the volume level as 30. (TX-NR747/DTR-40.7) Step1 : Set VOL Level = 25 Step2 : [TV] + [ON/STANDBY] Step2 : [TV] + [ON/STANDBY] →...
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How to enter to this mode Step1 : [ENTER] Hold down for 3 seconds The display order Display of the input signal Step1 : Display of the input signal (for 5 seconds) Step2 : Display of the output signal (for 5 seconds) TX-NR545/646/747 DTR-20.7/30.7/40.7...
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4 8 0 ・Component C M P 5 7 6 ・21:9 1 0 8 0 p (Pixel AR ≠ 1:1) ・21:9 1 0 8 0 w (Pixel AR = 1:1) ・LTE TMDS Clock340MHz ・No input TX-NR545/646/747 DTR-20.7/30.7/40.7...
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4 K 6 0 p R G B # 2 4 b i t ・LTE340MHz R G B 2 4 b ・Signal generate 4 8 0 p R G B G e n ・Cannot detect the hot-plug O F F TX-NR545/646/747 DTR-20.7/30.7/40.7...
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45℃ 50℃ 52℃ 55℃ 63℃ 65℃ 95℃ 100℃ Shut down in Shut down Shut down HIGH 10 minutes immediately immediately continuously Hysteresis control VOLH (Voltage of VOLH port) 0.35V 0.4V 1.9V 2.0V 2.2V 2.3V 3.3V HIGH TX-NR545/646/747 Hysteresis control DTR-20.7/30.7/40.7...
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Protect mode and is powered off. Pay attention that the status will change if a button is pushed. C_LM_PURE How to enter to service information mode. C_LM_DIRECT C_LM_STEREO Step1 : Set the volume level as 25. (TX-NR545/646/DTR-20.7/30.7) C_LM_MONO Set the volume level as 30. (TX-NR747/DTR-40.7) C_LM_SURR C_LM_THX_MUSIC Step2 : [DISPLAY] + [ON/STANDBY] x 2...
1/50 PAGE TX-NR545(B)MDC <Note> Parts marked by "NSP" are generally unavailable because <Notes> they are not in our Master Spare Parts List. (B) : Black color model <MDC> : 120V NOTE : THE COMPONENTS IDENTIFIED BY THE MARK Canadian/USA/(Mexico) model ! ARE CRITICAL FOR RISK OF FIRE AND ELECTRIC SHOCK.
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26/50 PAGE U003 BATRM-1754-1A : NSP CIRCUIT NO. P ART NAME DESCRIPTION Q'TY PART NO. (SN) REMARKS [SEMI CONDUCTOR] D2101 CHIP TYPE DIODE DA2J10100 223303R2 D2101 or CHIP TYPE DIODE 1SS352 ( 1) 223234R2 D2102 CHIP TYPE DIODE DA2J10100 223303R2 D2102 or CHIP TYPE DIODE 1SS352...
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27/50 PAGE C2301 ELECTROLYTIC CAPACITOR CE69W25V-10000M 3504512 C2301 or ELECTROLYTIC CAPACITOR CE69W25V-10000M ( 1) 3504502 C2302 JAMICON TYPE ELECTROLYTIC CAPACITOR CE04W50V-4.7M 398580477T C2302 or VR TYPE ELECTROLYTIC CAPACITOR CE04W50V-4.7M(VR) ( 1) 394680477T C2303 TF TYPE PLASTIC FILM CAPACITOR ECQ-V50V-334J 374723344T C2307 UTSP TYPE ELECTROLYTIC CAPACITOR CE04W10V-220M(UTSP)
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28/50 PAGE RL6606 RELAY NRL-2P5A-DC24-129 25065563A RL6606 or RELAY NRL-2P5A-DC24-193 ( 1) 25065703 [MECHA PARTS] D2301B HEAT SINK RAD-083 27160271 U004 BAPRC-1760-1A : NSP CIRCUIT NO. P ART NAME DESCRIPTION Q'TY PART NO. (SN) REMARKS [SEMI CONDUCTOR] D3000 CHIP TYPE DIODE DA2J10100 223303R2 D3000 or...
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29/50 PAGE Q1007 HYBRID IC 74VHC4040FT 22274040E1R2TO Q1008 HYBRID IC TC7WH241FU(TE12L_F) 22242076R2TO Q1090 HYBRID IC MM3404A50NRE 22242701R2 Q1091 HYBRID IC S-1333A33-M5T1U3 22242934R2 Q3001 HYBRID IC D830K013DZKB400 22242851R3 Q3002 HYBRID IC TC58DVM92A5TA10B3H 222W0125R3 firmware Q3003 HYBRID IC A3V56S40GTP-60RX 22242891R2 Q3003 or HYBRID IC EM63A165TSB-6G ( 1)
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30/50 PAGE Q7018 HYBRID IC S-1333A33-M5T1U3 22242934R2 Q7020 HYBRID IC PST803C270NM 22242894R2 Q7027 HYBRID IC S-1333A33-M5T1U3 22242934R2 Q8000 HYBRID IC MN864788 22242929R3 Q8003 HYBRID IC 74LCX125FT 22274125BR2TO Q8004 TRANSISTOR 2SA1162-GR 2214375R2 Q8005 TRANSISTOR KRC404E 2216450R2 Q8005 or TRANSISTOR RN1104 ( 1) 2218240R2 Q8032 TRANSISTOR...