Onkyo-HTP750-ss-sm维修电路原理图.pdf

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1、HTP-750 SERVICE MANUALSERVICE MANUAL 7.1-CH HOME THEATER SPEAKER PACKAGE Black model MODEL HTP-750(B) Ref. No. 4033 092007 120V AC, 60HzB MDD Front Speakers (L / R) SKF-750F Center Speaker SKC-750C Surround Speakers (L / R) SKM-750S Powered Subwoofer SKW-750 Surround Back Speakers (L / R) SKB-750 SA

2、FETY-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 RESISTANCE MEASUREMENTS

3、TO DETERMINE THAT EXPOSED PARTS ARE ACCEPTABLY INSULATED FROM THE SUPPLY CIRCUIT BEFORE RETURNING THE APPLIANCE TO THE CUSTOMER. RadioFans.CN 收音机爱 好者资料库 HTP-750 EXPLODED VIEWS-1 SKW-750 : POWERED SUBWOOFER HTP-750 A08 x 2 pcs. SP11 x 10 pcs. A104 x 2 pcs. A05 x 2 pcs. A05 x 5 pcs. A103 A102 P901 U03

4、 A11 E801 A01 U01 A07 A07 A101 A02 A02 A06 U06 A05 Q515 Q516 Q541 F901 T901 A03 SP12 x 4 pcs. SP13 x 2 pcs. Refer to EXPLODED VIEWS-2 RadioFans.CN 收音机爱 好者资料库 HTP-750 EXPLODED VIEWS-2 SKW-750 : POWERED SUBWOOFER HTP-750 SP01 SP06 SP07 x 6 pcs. SP08 SP02 x 4 pcs. SP04 x 4 pcs. HTP-750 HTP-750 EXPLODED

5、 VIEWS-3 SKF-750F / SKC-750C / SKM-750S / SKB-750 SP21 SP31 SP32 SP22 SP23 SP24 SP41 SP42 SP43 SP44 SP51 SP52 SP53 SP54 SKF-750F SKC-750C TERMINAL : White / Black TERMINAL : Green / Black Cannot remove the speaker grill. SKF-750F TERMINAL : Red / Black SKM-750S TERMINAL : Blue / Black SKM-750S TERMI

6、NAL : Gray / Black SKB-750 TERMINAL : Brown / Black SKB-750 TERMINAL : Tan / Black HTP-750 SCHEMATIC DIAGRAM SKW-750 : POWERED SUBWOOFER HTP-750 A 1 2 3 4 5 BCDEFGH +5.6V -56.5V +56.5V P907A P906A J901 MD J316 E801 Q301(2/2) NJM4558LD 4 8 5 6 7 Q301(1/2) NJM4558LD 3 2 1 8 4 Q602 KRC103M Q606 KRA103M

7、 P301 R651 12K (1/2W) R951 3.3K POWER NEED TO CONFIRM (2W) R952 3.3K (2W) R901 820(1W) R902 820(1W) 0 1 -0.6 1.6V -1.6 -1 0 0.05 0.6 5.0 D901 D3SBA20 R544 100B R528 390 (1/2W) R628 330K R629 NC R701 NC R904 1K (1/2W) R903 10K R609 39K R611 820K R610 560K R616 100K R617 1K R621 1K R615 22K R612 39K R

8、614 120K R613 470K R619 22K R620 100K R624 100K R623 100K R627 680K R622 10K R626 2.2M R625 180K S901 P901 P901 F901 5A/125V F901 1.6A/250V T901 NPT-1539D-1562D T901 NPT-1539P P901A P901A P903A P632A REDGREEN D601 MTZJ2.7B D602 MTZJ2.7B D501 MTZJ5.6B D952 MTZJ15C D951 MTZJ15C D904 MTZJ5.6B Q516 2SA1

9、987-O/R Q519 2SA965-Y Q517 2SA933S-S Q507 2SA949-Y Q505 2SA949-Y Q509 2SA949-Y Q514 2SA1930 Q604 2SA933S Q605 2SA933S Q607 2SA933S Q541 2SC3423 Q506 2SC2229-Y Q510 2SC2229-Y Q503 2SC2240-BL Q515 2SC5359-O/R Q513 2SC5171 Q518 2SC2235-Y Q502 2SC2240-BL Q501 2SC2240-BL Q609 NC Q603 2SC1740S-S Q608 2SC1

10、740S-S P902A P906B P902A JL535A/B P531 P501B P633 P631 D651 1SS133 D603 1SS133 D606 1SS133 D903 RL1N4003 or GP104003E D902 RL1N4003 or GP104003E D605 1SS133 R302 20KB C301 C303 NC C955 223J C506 070 C502 NC C514 101 C520 224 C519 224 C505 020 C503 224J C950 104/50 C903 104J/100 (MPA TYPE) C904 104J/

11、100 (MPA TYPE) C302 47/50 C527 1/50 C501 47/50 C517 10/50 C528 10/50 C526 10/50 C504 220/16 C951 220/16 C952 220/16 C909 22/50 C601 10/50 C603 470/16 C602 10/50 C604 33/35 C906 5600/71 C905 5600/71 R306 47K R301 1K R307 2.2K R305 33K R303 47K R304 27K R531 0.22 (5W) R533 3.3 (1W) R508 47 (1/4W) R511

12、 82 (1/4W) R512 68 (1/4W) R514 82 (1/4W) R513 82 (1/4W) R516 12K R515 12K R502 47K R510 100K R543 180 R526 82 (1/2W) R517 3.3K R541 820 R542 150 R505 1K (1/4W) R506 1K (1/4W) R507 33K R527 270 R509 1K R504 2.2K R503 5.6K R522 220 R521 220 R501 1K R603 150K R601 5.6K R605 22 R602 100K R604 180 NAPS-8

13、831 AC 230-240V / 50Hz NAAF-8829 NAPS-8831MDD/MDC ONLY MPA ONLY AC 120V / 60Hz NASW-8833 (MPA)224 NC NC AGAINST FIRE HAZARD, REPLACE VA FOR CONTINUED PROTECTION AND RATING INDICATED. ONLY WITH FUSE OF SAME TYPE CAUTION ATTENTION ET CALIBRATION COMME INDIQUE. DINCENDIE, REMPLACER UNIQUEMENT PERMANENT

14、E CONTRE LES RISQUES AFIN DASSURER UNE PROTECTION PAR UN FUSIBLE DE MEME TYPE VA E LENT.POUR UNE PROTECTION PERMANENTE,NUTILISER INDIQUE LA QU LE PRESENT SYMBOL EST APPOSE. QUE DES FUSIBLES DE MEME TYPE. CE DARNIER EST CE SYMBOLE INDIQUE QUE LE FUSIBLE UTLISE EST FOR CONTINUED PROTECTION AGAINST FIR

15、E RATING REFER TO THE MARKING ADJACENT TO THE SYMBOL. HAZARD,REPLACE WITH SAME TYPE FUSE. FOR FUSE THIS SYMBOL LOCATED NEAR THE FUSE INDICATES THAT THE FUSE USED IS SLOW OPERATING TYPE THE COMPONENTS IDENTIFIED BY MARK ARE CRITICAL FOR SAFETY REPLACE ONLY WITH PART NUMBER SPECIFIED. VOLTAGE (MEASURE

16、D WITH VOLTMETER) IS DC VOLTAGE.(NO INPUT SIGNAL). ALL PNP TRANSISTORS ARE EQUIVALENT TO 2SA1015-GR UNLESS OTHERWISE NOTED. ALL NPN TRANSISTORS ARE EQUIVALENT TO 2SC1815-GR UNLESS OTHERWISE NOTED. ALL DIODES ARE EQUIVALENT TO 1SS133 UNLESS OTHERWISE NOTED. ELECTROLYTIC CAPACITORS ( ) ARE IN uF/WV. A

17、LL CAPACITORS ARE IN pF/50WV UNLESS OTHERWISE NOTED. EX) 030- 3pF 330- 33pF 331- 330pF 333- 0.033uF ALL RESISTORS ARE IN OHMS 1/4WATTS UNLESS OTHERWISE NOTED. THE THICK LINES ON PC BOARD ARE THE PRINTING SIDE OF THE PARTS. EX) PRINTING SIDE CIRCUIT IS SUBJECT TO CHANGE FOR IMPROVEMENT. ! NOTE POWER

18、SWITCH PC BOARD U05 POWER TRANSFORMER PC BOARD U03 POWER TRANSFORMER PC BOARD U03 MAIN PC BOARDU01 LINE INPUT OUTPUT LEVEL POWER SWITCH SPEAKER LED MPA ONLY ADJUST. IDLING NC : No mount of parts. HTP-750 SCHEMATIC DIAGRAM SKW-750 : POWERED SUBWOOFER HTP-750 A 1 2 3 4 5 BCDEFGH +5.6V -56.5V +56.5V P9

19、07A P906A J901 MD J316 E801 Q301(2/2) NJM4558LD 4 8 5 6 7 Q301(1/2) NJM4558LD 3 2 1 8 4 Q602 KRC103M Q606 KRA103M P301 R651 12K (1/2W) R951 3.3K POWER NEED TO CONFIRM (2W) R952 3.3K (2W) R901 820(1W) R902 820(1W) 0 1 -0.6 1.6V -1.6 -1 0 0.05 0.6 5.0 D901 D3SBA20 R544 100B R528 390 (1/2W) R628 330K R

20、629 NC R701 NC R904 1K (1/2W) R903 10K R609 39K R611 820K R610 560K R616 100K R617 1K R621 1K R615 22K R612 39K R614 120K R613 470K R619 22K R620 100K R624 100K R623 100K R627 680K R622 10K R626 2.2M R625 180K S901 P901 P901 F901 5A/125V F901 1.6A/250V T901 NPT-1539D-1562D T901 NPT-1539P P901A P901A

21、 P903A P632A REDGREEN D601 MTZJ2.7B D602 MTZJ2.7B D501 MTZJ5.6B D952 MTZJ15C D951 MTZJ15C D904 MTZJ5.6B Q516 2SA1987-O/R Q519 2SA965-Y Q517 2SA933S-S Q507 2SA949-Y Q505 2SA949-Y Q509 2SA949-Y Q514 2SA1930 Q604 2SA933S Q605 2SA933S Q607 2SA933S Q541 2SC3423 Q506 2SC2229-Y Q510 2SC2229-Y Q503 2SC2240-

22、BL Q515 2SC5359-O/R Q513 2SC5171 Q518 2SC2235-Y Q502 2SC2240-BL Q501 2SC2240-BL Q609 NC Q603 2SC1740S-S Q608 2SC1740S-S P902A P906B P902A JL535A/B P531 P501B P633 P631 D651 1SS133 D603 1SS133 D606 1SS133 D903 RL1N4003 or GP104003E D902 RL1N4003 or GP104003E D605 1SS133 R302 20KB C301 C303 NC C955 22

23、3J C506 070 C502 NC C514 101 C520 224 C519 224 C505 020 C503 224J C950 104/50 C903 104J/100 (MPA TYPE) C904 104J/100 (MPA TYPE) C302 47/50 C527 1/50 C501 47/50 C517 10/50 C528 10/50 C526 10/50 C504 220/16 C951 220/16 C952 220/16 C909 22/50 C601 10/50 C603 470/16 C602 10/50 C604 33/35 C906 5600/71 C9

24、05 5600/71 R306 47K R301 1K R307 2.2K R305 33K R303 47K R304 27K R531 0.22 (5W) R533 3.3 (1W) R508 47 (1/4W) R511 82 (1/4W) R512 68 (1/4W) R514 82 (1/4W) R513 82 (1/4W) R516 12K R515 12K R502 47K R510 100K R543 180 R526 82 (1/2W) R517 3.3K R541 820 R542 150 R505 1K (1/4W) R506 1K (1/4W) R507 33K R52

25、7 270 R509 1K R504 2.2K R503 5.6K R522 220 R521 220 R501 1K R603 150K R601 5.6K R605 22 R602 100K R604 180 NAPS-8831 AC 230-240V / 50Hz NAAF-8829 NAPS-8831MDD/MDC ONLY MPA ONLY AC 120V / 60Hz NASW-8833 (MPA)224 NC NC AGAINST FIRE HAZARD, REPLACE VA FOR CONTINUED PROTECTION AND RATING INDICATED. ONLY

26、 WITH FUSE OF SAME TYPE CAUTION ATTENTION ET CALIBRATION COMME INDIQUE. DINCENDIE, REMPLACER UNIQUEMENT PERMANENTE CONTRE LES RISQUES AFIN DASSURER UNE PROTECTION PAR UN FUSIBLE DE MEME TYPE VA E LENT.POUR UNE PROTECTION PERMANENTE,NUTILISER INDIQUE LA QU LE PRESENT SYMBOL EST APPOSE. QUE DES FUSIBL

27、ES DE MEME TYPE. CE DARNIER EST CE SYMBOLE INDIQUE QUE LE FUSIBLE UTLISE EST FOR CONTINUED PROTECTION AGAINST FIRE RATING REFER TO THE MARKING ADJACENT TO THE SYMBOL. HAZARD,REPLACE WITH SAME TYPE FUSE. FOR FUSE THIS SYMBOL LOCATED NEAR THE FUSE INDICATES THAT THE FUSE USED IS SLOW OPERATING TYPE TH

28、E COMPONENTS IDENTIFIED BY MARK ARE CRITICAL FOR SAFETY REPLACE ONLY WITH PART NUMBER SPECIFIED. VOLTAGE (MEASURED WITH VOLTMETER) IS DC VOLTAGE.(NO INPUT SIGNAL). ALL PNP TRANSISTORS ARE EQUIVALENT TO 2SA1015-GR UNLESS OTHERWISE NOTED. ALL NPN TRANSISTORS ARE EQUIVALENT TO 2SC1815-GR UNLESS OTHERWI

29、SE NOTED. ALL DIODES ARE EQUIVALENT TO 1SS133 UNLESS OTHERWISE NOTED. ELECTROLYTIC CAPACITORS ( ) ARE IN uF/WV. ALL CAPACITORS ARE IN pF/50WV UNLESS OTHERWISE NOTED. EX) 030- 3pF 330- 33pF 331- 330pF 333- 0.033uF ALL RESISTORS ARE IN OHMS 1/4WATTS UNLESS OTHERWISE NOTED. THE THICK LINES ON PC BOARD

30、ARE THE PRINTING SIDE OF THE PARTS. EX) PRINTING SIDE CIRCUIT IS SUBJECT TO CHANGE FOR IMPROVEMENT. ! NOTE POWER SWITCH PC BOARD U05 POWER TRANSFORMER PC BOARD U03 POWER TRANSFORMER PC BOARD U03 MAIN PC BOARDU01 LINE INPUT OUTPUT LEVEL POWER SWITCH SPEAKER LED MPA ONLY ADJUST. IDLING NC : No mount o

31、f parts. HTP-750 PRINTED CIRCUIT BOARD VIEWS-1 SKW-750 : POWERED SUBWOOFER MAIN PC BOARD (NAAF-8829)U01 Component side R544 P502A Q517 R543 R533 Q515 C502 R527 C514 J332 Q541 Q516 R522 R521 J322 R513 R511 J334 R516 R515 R507 R504 R510 C503 R651 R503 R509 R501 R502 C504 C951 R517 R542 R541 Q510 Q506

32、Q507 R514 R512 R508 C526 C517 C506 Q505 Q509 Q503 C505 J310 Q502 Q501 R505 R506 C501 C519 C520 J323 NCAF-88291 25138829A P531 R531 J324 J308 C527 C903C904 Q518 Q519 C528 J306 J311 J305 J312 R528 R526 J304 J303 J321 J313 J319 C952 J307 Q514 Q513 J330 J340 J333 D903 D902 R902 R901 C909 R903 D904 R605

33、C602 R604 R603 R602 R904 C604 R622 Q608 R626 R624 Q606 Q607 Q604 R619 R623 R621 Q603 Q605 D605 Q602 R610 C603 R601 J346 J331 D952 D951 J320 J314 J325 D651 P632A J336 J335 JL535A JL535B P633 RED BLACK BCE CEB BCE E C B E C B 1 -Vee +Vcc +Vcc J352 J351 C601 D603 R304 R305 R303 R307 J316 R620 R614 R613

34、 R612 R302 R302 P301 P301 C955 R627 Q609 R629 R628 D606 R625 J348 R611 J337 J327 J326 R616 J342 R301 J344 R617 J338 J347 R609 J341 J318 C950 R314 R311 C311 R315 R312 C316 R313 R316 81234567 R319 C314 R317 76543218 R320 J302 C303 J309 J329 R615 J349 J350 2345678 P911 J301 D501 R545 Q504 P903A REDREDB

35、LK Q301 Q302 Q303 R701 E701 C301 P631 P912 C906 C906 C905 C905 R952 J955 R951 E801 D601 D602 C302 R306 D901 J956 P301A C312 C315 R321 C313 7 25 12 22 17 15 12 15 7 20 7 17 12 17 7 20 7 7 7 7 7 7 7 7 7 A 1 2 3 4 5 BCD ADJUSTMENT PROCEDURE SKW-750 : POWERED SUBWOOFER / ADJUSTMENT OF IDLING CURRENT HTP

36、-750 Test point DC voltmeter 100 ohm (1/4W) P531 Test point P631 MAIN PC board assy NAAF-8829 Test point P531 Trimming resistor R544 Short When 1. Exchange transistors (Q505 - Q519). 2. Exchange MAIN PC board assy (NAAF-8829). Procedure No speaker load and No input signal. 1. Short test point P631 f

37、or amplifier is under active mode. 2. Adjust the trimming resistor R544 so that the reading of multimeter becomes 52 ohm to 53 ohm. 3. Connect the DC voltmeter to test point P531. 4. Connect the AC power cord into a wall outlet. 5. Press POWER button to turn on the unit. (MPA type only) 6. Confirm t

38、he voltage of above point after 6 minutes to 8 minutes. (Heat running) 7. When less than 3.20 mV : Readjust the trimming resistor above so that the voltage becomes 4.5 mV to 5.0 mV. When 3.30 mV to 5.20 mV : Not necessary to adjust. When 5.21 mV to 10.0 mV : Readjust the trimming resistor above so t

39、hat the voltage becomes 5.0 mV to 5.5 mV. When 10.1 mV to 20.0 mV : Readjust the trimming resistor above so that the voltage becomes 5.6 mV to 6.0 mV. 8. Press POWER button to turn off the unit. (MPA type only) 9. Disconnect the DC voltmeter. 10. Disconnect the AC power cord from a wall outlet. 1/6

40、PAGE HTP-750 EXPLODED VIEWS PARTS LIST : Lch : Rch REF. NO.PART NAMEDESCRIPTIONQTY PART NO. (SN)REMARKS EXPLODEDSKW-750 (B) : POWERED SUBWOOFER EXPLODED AMPLIFIER SECTION (SKW-750) EXPLODEDQ515 TR2SC5359-R12203082! EXPLODEDQ515 or TR2SC5359-O(1)2203083! EXPLODEDQ516 TR2SA1987-R(Q)12203072! EXPLODEDQ

41、516 or TR2SA1987-O(1)2203073! EXPLODEDQ541 TR2SC3423-Y12202104 EXPLODEDQ541 or TR2SC3423-O(1)2202103 EXPLODED EXPLODEDWhen replacement the following the transistor, made from the same HFE rank as the original type. EXPLODEDQ515, Q516, Q541 EXPLODEDA01 HEAT SINK230127160591 EXPLODEDA02 CUSHION-228141

42、682 EXPLODEDA03 CUSHION-128141691 EXPLODEDA05 SCREW3TTB+8B(3BC)8838430088GR EXPLODEDA06 TAPETAPE(CLOTH-16U)(1)29110083 EXPLODEDA07 ISO SHEETAC2622223025 EXPLODEDA08 SCREW3SMS8W.SW+14B(CU)2801634 EXPLODEDA11 RETAINER(PCB)127142025 EXPLODEDA101 REAR PANEL(MD)127123763 EXPLODEDA102 BUSHINGS-RELIEF #227

43、1127300750! EXPLODEDA103 KNOB(VOL)128326463 EXPLODEDA104 SCREW3SMS8W.SW+14B(3BC)2801433GR EXPLODEDF901 FUSE5A-UL/T-2331252326GR! EXPLODEDP901 AC CORDAS-UC-21253333VOL! EXPLODEDP901 or AC CORDAS-UC-2(1)253368BLTK! EXPLODEDP901 or AC CORDAS-UC-2(1)253368AYUN! EXPLODEDP901 or AC CORDAS-UC-2(1)253368HSN

44、! EXPLODEDT901 P TRANSNPT-1562D12301919! EXPLODEDE801 WIRE TIEBSK-11260208 EXPLODEDU01 MAIN PC BOARD ASSYNAAF-8829-1J11B138529-1J EXPLODEDU03 POWER TRANS. PC BOARD ASSY NAPS-8831-1J11B138531-1J EXPLODEDU06 HOLDER PC BOARDNAETC-88341-NSP EXPLODED SPEAKER SECTION (SKW-750) EXPLODED- SPK SYSTEM ASSYSKW

45、-750 (B) MDD1000-SKW750BMDD EXPLODEDSP01 CABINET ASSYSKW-750 (B)1- EXPLODEDSP02 FOOT(PLASTIC)4D249-W55001B-00 EXPLODEDSP04 WOOD SCREW4STB + 45A(BC) (FOR FOOT)4411-BE4045AB1 EXPLODEDSP06 WOOFER10 (25cm) 4 ohm 80W (ONKYO ELE)1W2301E EXPLODEDSP07 WOOD SCREW4STB + 25A(BC) (FOR SP UNIT)6411-BE4025AB1 EXP

46、LODEDSP08 LED HARNESS ASSY-1335-SKW750-00 NOTE : THE COMPONENTS IDENTIFIED BY THE MARK ! ARE CRITICAL FOR RISK OF FIRE AND ELECTRIC SHOCK. REPLACE ONLY WITH PART NUMBER SPECIFIED. 2/6 PAGE EXPLODEDSP11 WOOD SCREW4STB + 16A(BC) (FOR AMP)10411-BE4016AB1 EXPLODEDSP12 SCREW4 x 25 ED BLK (FOR P-TRANS)441

47、2-DE40250B1 EXPLODEDSP13 CUSHION RUBBER PAD14 x 89 T2 RUBBER (FOR P-TRANS)2442-902123-00 EXPLODEDSKF-750F (B) / : FRONT SPEAKERS EXPLODEDSP21 COMPLETE UNITSKF-750F (B) 1000-SKF750FLB EXPLODEDSP22 SPEC LABEL (L)-1600-P750FL-00 EXPLODEDSP23 COMPLETE UNITSKF-750F (B) 1000-SKF750FRB EXPLODEDSP24 SPEC LA

48、BEL (R)-1600-P750FR-00 EXPLODEDSKC-750C (B) : CENTER SPEAKER EXPLODEDSP31 COMPLETE UNITSKC-750C (B)1000-SKC750CB EXPLODEDSP32 SPEC LABEL-1600-P7500C-00 EXPLODEDSKM-750S (B) / : SURROUND SPEAKERS EXPLODEDSP41 COMPLETE UNITSKM-750S (B) 1000-SKM750SLB EXPLODEDSP42 SPEC LABEL (L)-1600-P750SL-00 EXPLODED

49、SP43 COMPLETE UNITSKM-750S (B) 1000-SKM750SRB EXPLODEDSP44 SPEC LABEL (R)-1600-P750SR-00 EXPLODEDSKB-750 (B) / : SURROUND BACK SPEAKERS EXPLODEDSP51 COMPLETE UNITSKB-750 (B) 1000-SKB750BLB EXPLODEDSP52 SPEC LABEL (L)-1600-P750BL-00 EXPLODEDSP53 COMPLETE UNITSKB-750 (B) 1000-SKB750BRB EXPLODEDSP54 SPEC LABEL (R)-1600-P750BR-00 HTP-750 PRINTED CIRCUIT BOARD PARTS LIST SKW-750 U01MAIN PC BOARD (NAAF-8829-1J) U03POWER TRANS. PC BOARD (