Onkyo-HTP750X-ss-sm维修电路原理图.pdf

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1、HTP-750X SERVICE MANUALSERVICE MANUAL 7.1-CH HOME THEATER SPEAKER PACKAGE Black model MODEL HTP-750X(B) Ref. No. 4105 072008 120V AC, 60HzB MDD Front Speakers (L / R) SKF-750XF Center Speaker SKC-750XC Surround Speakers (L / R) SKM-750XS Powered Subwoofer SKW-750X Surround Back Speakers (L / R) SKB-

2、750X 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 RESISTANCE MEASUR

3、EMENTS 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-750X EXPLODED VIEWS-1 SKW-750X : POWERED SUBWOOFER HTP-750X A08 x 2 pcs. SP11 x 10 pcs. A104 x 2 pcs. A05 x 2 pcs. A05 x 5 pcs. A103 A10

4、2 P901 U03 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-750X EXPLODED VIEWS-2 SKW-750X : POWERED SUBWOOFER HTP-750X SP06 SP07 x 6 pcs. SP08 SP02 x 4 pcs. SP04 x 4 pcs. SP01a (Subwoofer

5、 assy) (All) SP01b (Subwoofer assy) (Without AMP unit, Speaker unit and Power transformer) HTP-750X HTP-750X EXPLODED VIEWS-3 SKF-750XF / SKC-750XC / SKM-750XS / SKB-750X SP21 SP31 SP32 SP22 SP23 SP24 SP41 SP42 SP43 SP44 SP51 SP52 SP53 SP54 SKF-750XF SKC-750XC TERMINAL : White / Black TERMINAL : Gre

6、en / Black Cannot remove the speaker grill. SKF-750XF TERMINAL : Red / Black SKM-750XS TERMINAL : Blue / Black SKM-750XS TERMINAL : Gray / Black SKB-750X TERMINAL : Brown / Black SKB-750X TERMINAL : Tan / Black HTP-750X EXPLODED VIEWS-4 AS-140 (for HT-S7100) HTP-750X ST61b ST66 x 8 pcs. ST64 x 2 pcs

7、. ST63 x 2 pcs. ST65 x 2 pcs. ST61a BASE STAND COVERBASE PLATE ASSY BASE -Bottom view- PIPE ASSY AS-140 (for HT-S7100) PIPE ASSY = with the speaker cables wired HTP-750X SCHEMATIC DIAGRAM SKW-750X : POWERED SUBWOOFER A 1 2 3 4 5 BCDEFGH +5.6V -56.5V +56.5V J901 MD J316 E801 Q301(2/2) NJM4558LD 4 8 5

8、 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 R629 NC R701 NC R904 1K (1/2W) R903 10K R609 39K R611

9、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 P901 F901 5A/125V T901 NPT-1578D P901A P903A P632A REDBLUE D601 MTZJ2.7B D602 MTZJ2.7B D501 MTZJ5.6B D952 MTZJ15C D951 MTZJ15C D904 MTZJ5.6B Q5

10、16 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-BL Q515 2SC5359-O/R Q513 2SC5171 Q518 2SC2235-Y Q502 2SC2240-BL Q501 2SC2240-BL Q609 NC Q603 2SC1740S-S Q6

11、08 2SC1740S-S 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 (MPP TYPE) C904 104J/100 (

12、MPP 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(MPP) 5600/63(MDD) C905 5600/71(MPP) 5600/63(MDD) R306 47K R301 1K R307 2.2K R305 33K R303 47K R304 27K R531 0.22 (5W) R5

13、33 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 R527 270 R509 1K R504 2.2K R503 5.6K R522 220 R521 220 R501 1K R603 150K R601 5.6K R6

14、05 22 R602 100K R604 180 NAAF-8829 NAPS-8831MDD ONLY AC 120V / 60Hz (MPP)224 NC NC D607 1SS133 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 PERMANENTE CONTRE

15、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 FIRE RATING

16、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 (MEASURED WITH VO

17、LTMETER) 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. ALL CAPACI

18、TORS 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 TRANSFORM

19、ER PC BOARD U03 MAIN PC BOARDU01 LINE INPUT OUTPUT LEVEL SPEAKER LED ADJUST. IDLING NC : No mount of parts. HTP-750X PRINTED CIRCUIT BOARD VIEWS-1 SKW-750X : 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

20、 R511 J334 R516 R515 R507 R504 R510 C503 R651 R503 R509 R501 R502 C504 C951 R517 R542 R541 Q510 Q506 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

21、 J304 J303 J321 J313 J319 C952 J307 Q514 Q513 J330 J340 J333 D903 D902 R902 R901 C909 R903 D904 R605 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

22、 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 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

23、 R317 76543218 R320 J302 C303 J309 J329 R615 J349 J350 2345678 P911 J301 D501 R545 Q504 P903A REDREDBLK 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

24、7 A 1 2 3 4 5 BCD HTP-750X PRINTED CIRCUIT BOARD VIEWS-2 SKW-750X : POWERED SUBWOOFER POWER TRANSFORMER PC BOARD (NAPS-8831)U03 Component side NCPS-8831 25138831 1 2356 810121416 AC-H AC-G P902A F901A F901B 5A/125V F901 1 P905A P907A P906A J901 J905 J903 J904 J902 T901 T901 P910A P910A P903A P903A A

25、C-GAC-H RISKOF FIRE -REPLACEFUSE AS MARKED. 15 15 15 15 A 1 2 3 4 5 BCD ADJUSTMENT PROCEDURE SKW-750X : POWERED SUBWOOFER / ADJUSTMENT OF IDLING CURRENT HTP-750X 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

26、 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 for 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

27、the DC voltmeter to test point P531. 4. Connect the power cord into the AC outlet. 5. Confirm the voltage of above point after 6 minutes to 8 minutes. (Heat running) 6. 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

28、 : Not necessary to adjust. When 5.21 mV to 10.0 mV : Readjust the trimming resistor above so that 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. 7. Disconnect the power cord from the AC outlet. 8. Di

29、sconnect the DC voltmeter. 1/12 PAGE HTP-750X EXPLODED VIEWS PARTS LIST : Lch : Rch REF. NO.PART NAMEDESCRIPTIONQTY PART NO. (SN)REMARKS EXPLODEDSKW-750X (B) : POWERED SUBWOOFER EXPLODED AMPLIFIER SECTION (SKW-750X) EXPLODEDQ515 TR2SC5359-R12203082 ! EXPLODEDQ515 orTR2SC5359-O(1)2203083 ! EXPLODEDQ5

30、16 TR2SA1987-R(Q)12203072 ! EXPLODEDQ516 orTR2SA1987-O(1)2203073GR ! EXPLODEDQ541 TR2SC3423-Y12202104 EXPLODEDQ541 orTR2SC3423-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 SINK2

31、30127160591 EXPLODEDA02 CUSHION-228141682 EXPLODEDA03 CUSHION-128141691 EXPLODEDA05 SCREW3TTB+8B(3BC)8838430088GR EXPLODEDA06TAPETAPE(CLOTH-16U)(1)29110083 EXPLODEDA07 ISO SHEETAC2622223025 EXPLODEDA08 SCREW3SMS8W.SW+14B(CU)2801634 EXPLODEDA11 RETAINER(PCB)127142025 EXPLODEDA101 REAR PANEL(MDD/MDC)1

32、27123963A EXPLODEDA102 BUSHINGS-RELIEF #2271127300750 ! EXPLODEDA103 KNOB(VOL)128326463 EXPLODEDA104 SCREW3SMS8W.SW+14B(3BC)2801433GR EXPLODEDF901 FUSE5A-UL/T-2331252326GR ! EXPLODEDP901 AC CORDAS-UC-21253333VOL ! NOTE : THE COMPONENTS IDENTIFIED BY THE MARK ! ARE CRITICAL FOR RISK OF FIRE AND ELECT

33、RIC SHOCK. REPLACE ONLY WITH PART NUMBER SPECIFIED. 2/12 PAGE EXPLODEDP901 orAC CORDAS-UC-2(1)253368BLTK ! EXPLODEDP901 orAC CORDAS-UC-2(1)253368AYUN ! EXPLODEDP901 orAC CORDAS-UC-2(1)253368HSN ! EXPLODEDT901 P TRANSNPT-1578D12301948 ! EXPLODEDE801 WIRE TIEBSK-11260208 EXPLODEDU01MAIN PC BOARD ASSYN

34、AAF-8829-1S*11B138529-1S EXPLODEDU03 POWER TRANS. PC BOARD ASSYNAPS-8831-1S*11B138531-1S EXPLODEDU06HOLDER PC BOARDNAETC-88341-NSP EXPLODED SPEAKER SECTION (SKW-750X) EXPLODEDSP01aSPK SYSTEM ASSY(ALL)SKW-750X (B) MDD1000-SKW750XBMDD EXPLODEDSP01bSUBWOOFER ASSYSKW-750X (B) MDD1000-SKW750XBESER EXPLOD

35、ED EXPLODEDSP01a = ALL EXPLODEDSP01b = Without AMP unit, Speaker unit and Power transformer EXPLODEDSP02FOOT(PLASTIC)4D249-W55001B-01 EXPLODEDSP04WOOD SCREW4STB + 45A(BC) (FOR FOOT)4411-BE4045AB1 EXPLODEDSP06WOOFER10 (25cm) 4 ohm 80W (ONKYO ELE)1W2301G 3/12 PAGE EXPLODEDSP07WOOD SCREW4STB + 25A(BC)

36、(FOR SP UNIT)6411-BE4025AB1 EXPLODEDSP08LED HARNESS ASSY-1335-SKW750-01 EXPLODEDSP11WOOD SCREW4STB + 16A(BC) (FOR AMP)10411-BE4016AB1 EXPLODEDSP12SCREW4 x 25 ED BLK (FOR P-TRANS)4412-DE40250B1 EXPLODEDSP13CUSHION RUBBER PAD19 x 89 T2 RUBBER (FOR P-TRANS)2442-902138-00 EXPLODEDSKF-750XF (B) / : FRONT

37、 SPEAKERS EXPLODEDSP21COMPLETE UNITSKF-750XF (B) 1000-SKF750XFLB EXPLODEDSP22SPEC LABEL (L)-1600-750XFL-00 EXPLODEDSP23COMPLETE UNITSKF-750XF (B) 1000-SKF750XFRB EXPLODEDSP24SPEC LABEL (R)-1600-750XFR-00 EXPLODEDSKC-750XC (B) : CENTER SPEAKER EXPLODEDSP31COMPLETE UNITSKC-750XC (B)1000-SKC750XCB EXPL

38、ODEDSP32SPEC LABEL-1600-750X0C-00 EXPLODEDSKM-750XS (B) / : SURROUND SPEAKERS EXPLODEDSP41COMPLETE UNITSKM-750XS (B) 1000-SKM750XSLB EXPLODEDSP42SPEC LABEL (L)-1600-750XML-00 EXPLODEDSP43COMPLETE UNITSKM-750XS (B) 1000-SKM750XSRB EXPLODEDSP44SPEC LABEL (R)-1600-750XMR-00 EXPLODEDSKB-750X (B) / : SUR

39、ROUND BACK SPEAKERS EXPLODEDSP51COMPLETE UNITSKB-750X (B) 1000-SKB750XBLB EXPLODEDSP52SPEC LABEL (L)-1600-750XBL-00 EXPLODEDSP53COMPLETE UNITSKB-750X (B) 1000-SKB750XBRB EXPLODEDSP54SPEC LABEL (R)-1600-750XBR-00 EXPLODEDSATELLITE PACKAGE EXPLODED-SATELLITE PACKAGESKF/SKC/SKM/SKB1000-HTP750XBMDDSER E

40、XPLODEDAS-140 (B) : SPEAKER STAND EXPLODEDST61aPIPE ASSY LLEFT1000-PLAS140CB EXPLODEDPIPE + BRACKET + WIRE PIPE LEFT(WHITE/BLK) + SCREW + MIRAMAT BAG + OPP TAPE EXPLODEDST61bPIPE ASSY RRIGHT1000-PRAS140CB EXPLODEDPIPE + BRACKET + WIRE PIPE RIGHT(RED/BLK) + SCREW + MIRAMAT BAG + OPP TAPE EXPLODEDST63

41、BASE STAND COVER-2D215-S14001B-31 EXPLODEDST64BASE PLATE ASSY(With MODEL LABEL)2428-600001-10 EXPLODEDST65MODEL LABEL-2600-0AS140-00 EXPLODEDST66LEG CUSHION-8441-904107-00 4/12 PAGE HTP-750X PRINTED CIRCUIT BOARD PARTS LIST SKW-750X U01MAIN PC BOARD (NAAF-8829-1S) U03POWER TRANS. PC BOARD (NAPS-8831

42、-1S) CIRCUIT NO. PART NAMEDESCRIPTIONQTY PART NO. (SN)REMARKS PWB PWBWhen replacement the following the transistor, made from the same HFE rank as the original type. PWBQ301 ICNJM4558L-D122240293 PWBQ501 TR2SC2240-BL(TPE2_F)12211406T NOTE : THE COMPONENTS IDENTIFIED BY THE MARK ! ARE CRITICAL FOR RI

43、SK OF FIRE AND ELECTRIC SHOCK. REPLACE ONLY WITH PART NUMBER SPECIFIED. 5/12 PAGE PWBQ502 TR2SC2240-BL(TPE2_F)12211406T PWBQ503 TR2SC2240-BL(TPE2_F)12211406T PWBQ505 TRKTA1024-Y12215844T PWBQ505 orTR2SA949-Y(TPE6_F)(1)2211354T PWBQ505 orTR2SA949-O(TPE6_F)(1)2211353T PWBQ506 TR2SC2229-Y(TPE6_F)122116

44、34T PWBQ506 orTR2SC2229-O(TPE6_F)(1)2211633T PWBQ507 TR2SA949-Y(TPE6_F)12211354T PWBQ507 orTR2SA949-O(TPE6_F)(1)2211353T PWBQ507 orTRKTA1024-Y(1)2215844T PWBQ509 TRKTA1024-Y12215844T PWBQ509 orTR2SA949-Y(TPE6_F)(1)2211354T PWBQ509 orTR2SA949-O(TPE6_F)(1)2211353T PWBQ510 TRKTC3206-Y12215854T PWBQ510

45、orTR2SC2229-Y(TPE6_F)(1)2211634T PWBQ510 orTR2SC2229-O(TPE6_F)(1)2211633T PWBQ513 TRKTD2061-Y12203434 PWBQ513 orTR2SC5171(ONK_Q)(1)2203010 PWBQ514 TRKTB1369-Y12203424 PWBQ514 orTR2SA1930(ONK_Q)(1)2203000 PWBQ517 TR2SA933S-S12213355T PWBQ517 orTR2SA933S-R(1)2213354T PWBQ517 orTRKTA1267-GR(1)2215995T

46、PWBQ518 TR2SC2235-Y(TPE6_F)12211654T PWBQ519 TR2SA965-Y(TPE6_F)12211644T PWBQ602 TRKRC103M12215810T PWBQ602 orTRDTC124ES(1)2213160T PWBQ603 TR2SC1740S-S12213285T PWBQ603 orTR2SC1740S-R(1)2213284T PWBQ603 orTRKTC3199-GR(1)2215864T PWBQ604 TR2SA933S-S12213355T PWBQ604 orTR2SA933S-R(1)2213354T PWBQ604

47、orTRKTA1267-GR(1)2215995T PWBQ605 TR2SA933S-S12213355T 6/12 PAGE PWBQ605 orTR2SA933S-R(1)2213354T PWBQ605 orTRKTA1267-GR(1)2215995T PWBQ606 TRKRA103M12215780T PWBQ606 orTRDTA124ES(1)2212600T PWBQ607 TR2SA933S-S12213355T PWBQ607 orTR2SA933S-R(1)2213354T PWBQ607 orTRKTA1267-GR(1)2215995T PWBQ608 TR2SC

48、1740S-S12213285T PWBQ608 orTR2SC1740S-R(1)2213284T PWBQ608 orTRKTC3199-GR(1)2215864T PWBD501 ZENER DMTZJ5.6B1224470562T PWBD501 orZENER DDZ-5.6BSB(1)224850562T PWBD601 ZENER DMTZJ2.7B1224470272T PWBD601 orZENER DDZ-2.7BSB(1)224850272T PWBD602 ZENER DMTZJ2.7B1224470272T PWBD602 orZENER DDZ-2.7BSB(1)2

49、24850272T PWBD603 DIODE1SS1331223163T 7/12 PAGE PWBD603 orDIODE1SS133(DS)(1)223280T PWBD605 DIODE1SS1331223163T PWBD605 orDIODE1SS133(DS)(1)223280T PWBD606 DIODE1SS1331223163T PWBD606 orDIODE1SS133(DS)(1)223280T PWBD607 DIODE1SS1331223163T PWBD651 DIODE1SS1331223163T PWBD651 orDIODE1SS133(DS)(1)223280T PWBD901 DIODED3SBA20122380271F PWBD902 DIODERL1N4003122380260T PWBD902 orDIODEGP104003E(1)22380035T PWBD903 DIODERL1N4003122380260T PWBD9