Onkyo-HTP940-ss-sm维修电路原理图.pdf

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1、HTP-940 SERVICE MANUALSERVICE MANUAL 7.1-CH HOME THEATER SPEAKER PACKAGE Black model MODEL HTP-940(B) 120V AC, 60Hz 230-240V AC, 50Hz B MDC B MPP Ref. No. 3961 062006 - - Front Speakers (L/R) - - SKF-940F - - Center Speaker - - SKC-940C - - Surround Speakers (L/R) - - SKM-940S - - Surround Back Spea

2、kers (L/R) - - SKB-940 - - Powered Subwoofer - - SKW-940 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 TH

3、IS MANUAL. MAKE LEAKAGE-CURRENT OR RESISTANCE MEASUREMENTS 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-940 EXPLODED VIEWS-1 SKW-940 : POWERED SUBWOOFER HTP-940 SP12 x 4 pcs. A08 x 2 pcs.

4、SP11 x 10 pcs. A05 x 2 pcs. A05 x 2 pcs. A05 x 5 pcs. A103 A102 P901 SP13 x 2 pcs. U03 A11 A01 U01 A07 A07 A101 A02 A02 U06 U05 A05 Q515 Q516 Q541 F901 T901 F901C S901 A03 Refer to EXPLODED VIEWS-2 S901 (POWER SWITCH) and U05 : MPP type only. F901C (LABEL) : MPP type only. Part No. (SN) - Refer to P

5、RINTED CIRCUIT BOARD PARTS LIST. RadioFans.CN 收音机爱 好者资料库 HTP-940 EXPLODED VIEWS-2 SKW-940 : POWERED SUBWOOFER HTP-940 SP07 SP01a / SP01b SP09 SP04 x 8 pcs. SP02 x 4 pcs. SP04 x 4 pcs. SP03 x 4 pcs. SP08 HTP-940 EXPLODED VIEWS-3 SKF-940F / SKF-940F HTP-940 SP32a / SP32b SP33a - SP33d SP21a - SP21d wi

6、th Catching Holder (SP22) / without Terminal (SP32) SP23 SP31 SP26 x 4 pcs. SP22 x 4 pcs. SP23 SP26 x 4 pcs. SP24 SP34 SP27 x 4 pcs. Lch TERMINAL : White / Black Rch TERMINAL : Red / Black INPUT (Terminal) WOOFER WOOFER TWEETER HTP-940 EXPLODED VIEWS-4 SKC-940C HTP-940 SP52 SP53a / SP53b SP41a / SP4

7、1b with Catching Holder (SP42) / without Terminal (SP52) SP51 SP42 x 4 pcs. SP46 x 4 pcs. SP43 SP46 x 4 pcs. SP44 SP43 SP54 SP47 x 4 pcs. TERMINAL : Green / Black INPUT (Terminal) WOOFER WOOFER TWEETER HTP-940 EXPLODED VIEWS-5 SKM-940S / SKM-940S HTP-940 SP73a - SP73d SP72a / SP72b SP61a - SP61d wit

8、h Catching Holder (SP62) / without Terminal (SP72) SP74 SP64 SP71 SP63 SP75 SP66 x 4 pcs. SP67 x 4 pcs. SP76 x 2 pcs. SP62 x 4 pcs. SP65 INPUT (Terminal) WOOFER TWEETER Lch TERMINAL : Blue / Black Rch TERMINAL : Gray / Black HTP-940 EXPLODED VIEWS-6 SKB-940 / SKB-940 HTP-940 SP93a - SP93d SP92a / SP

9、92b SP81a - SP81d with Catching Holder (SP82) / without Terminal (SP92) SP94 SP84 SP91 SP83 SP95 SP86 x 4 pcs. SP87 x 4 pcs. SP96 x 2 pcs. SP82 x 4 pcs. SP85 INPUT (Terminal) WOOFER TWEETER Lch TERMINAL : Brown / Black Rch TERMINAL : Tan / Black HTP-940 SCHEMATIC DIAGRAM SKW-940 : POWERED SUBWOOFER

10、HTP-940 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 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

11、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 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/25

12、0V T901 NPT-1539D T901 NPT-1539P P903B P903B J903A 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

13、 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 2SC1740S-S P902A P906B P902A JL535A/B P531 P501B P633 P631 D651 1SS133 D603 1SS133 D606 1SS133 D903 RL1N4003 or GP104003E D902 RL1N4003 or GP104003

14、E D605 1SS133 R302 20K 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 (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 4

15、70/16 C602 10/50 C604 33/35 C906 5600/71 C905 5600/71 R306 47K R301 1K R307 220* R305 8.2K* R303 47K R304 2.2K* 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

16、 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-8831 AC 230-240V / 50Hz NAAF-8829 NAPS-8831MDC ONLY MPP ONLY AC 120V / 60Hz NASW-8833 (MPP)224 NC NC AGAINST FIRE HAZARD, REPLACE VA FOR CONT

17、INUED PROTECTION AND RATING INDICATED. ONLY 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 L

18、E 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 REFER TO THE MARKING ADJACENT TO THE SYMBOL. HAZARD,REPLACE WITH SAME TYPE FUSE. FOR FUSE THIS SYMBOL LOCATED NEAR THE FUSE INDICATES T

19、HAT 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 VOLTMETER) IS DC VOLTAGE.(NO INPUT SIGNAL). ALL PNP TRANSISTORS ARE EQUIVALENT TO 2SA1015-GR UNLESS OTHERWISE NOTED. ALL NPN TRANSISTORS

20、ARE EQUIVALENT TO 2SC1815-GR UNLESS OTHERWISE 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 OT

21、HERWISE 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 SWITCH PC BOARD U05 POWER TRANSFORMER PC BOARD U03 POWER TRANSFORMER PC BOARD U03 MAIN PC BOARDU01 LINE INPUT OUTPUT LEVEL POWER SWITCH SPEAKER

22、LED MPP ONLY ADJUST. IDLING NC : No mount of parts. HTP-940 SCHEMATIC DIAGRAM SKW-940 : POWERED SUBWOOFER HTP-940 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 P301 R651 12K (1/2W) R951 3.3K

23、 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 R614 120K R613 470K R619 22K R62

24、0 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 T901 NPT-1539P P903B P903B J903A 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

25、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 2SC1740S-S P902A P906B P902A JL535A/B P53

26、1 P501B P633 P631 D651 1SS133 D603 1SS133 D606 1SS133 D903 RL1N4003 or GP104003E D902 RL1N4003 or GP104003E D605 1SS133 R302 20K 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 (MPP TYPE) C302 47/50 C527 1/50 C5

27、01 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 220* R305 8.2K* R303 47K R304 2.2K* R531 0.22 (5W) R533 3.3 (1W) R508 47 (1/4W) R511 82 (1/4W) R512 68 (1/4W) R514 82

28、(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-8831 AC 230-240V / 50Hz NAAF-8829 N

29、APS-8831MDC ONLY MPP ONLY AC 120V / 60Hz NASW-8833 (MPP)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 PERMANENTE CONTRE LES RISQUES AFIN DASSURER UNE

30、 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 REFER TO THE MARKING ADJACENT

31、 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 VOLTMETER) IS DC VOLTAGE.(NO IN

32、PUT 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 CAPACITORS ARE IN pF/50WV UNLESS OT

33、HERWISE 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 SWITCH PC BOARD U05 POWER TRANSFORMER

34、PC BOARD U03 POWER TRANSFORMER PC BOARD U03 MAIN PC BOARDU01 LINE INPUT OUTPUT LEVEL POWER SWITCH SPEAKER LED MPP ONLY ADJUST. IDLING NC : No mount of parts. HTP-940 PRINTED CIRCUIT BOARD VIEWS-1 SKW-940 : POWERED SUBWOOFER MAIN PC BOARD (NAAF-8829)U01 Component side R544 P502A Q517 R543 R533 Q515 C

35、502 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 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 C903C

36、904 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 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 D

37、651 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 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

38、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 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 1

39、7 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-940 : POWERED SUBWOOFER / ADJUSTMENT OF IDLING CURRENT HTP-940 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. Exch

40、ange 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 the DC v

41、oltmeter to test point P531. 4. Connect the AC power cord into a wall outlet. 5. Press POWER button to turn on the unit. (MPP type only) 6. Confirm the 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 vol

42、tage 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 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.

43、8. Press POWER button to turn off the unit. (MPP type only) 9. Disconnect the DC voltmeter. 10. Disconnect the AC power cord from a wall outlet. 1/7 PAGE HTP-940 EXPLODED VIEWS PARTS LIST : Lch : Rch : Canadian model only : European model only REF. NO.PART NAMEDESCRIPTIONQTY PART NO. (SN)REMARKS EXP

44、LODEDSKW-940 (B) : POWERED SUBWOOFER EXPLODED AMPLIFIER SECTION EXPLODEDQ515 TR2SC5359-R12203082! EXPLODEDQ515 or TR2SC5359-O(1)2203083! EXPLODEDQ516 TR2SA1987-R(Q)12203072! EXPLODEDQ516 or TR2SA1987-O(1)2203073! EXPLODEDQ541 TR2SC3423-Y12202104 EXPLODEDQ541 or TR2SC3423-O(1)2202103 EXPLODED EXPLODE

45、DWhen replacement the following the transistor, made from the same HFE rank as the original type. EXPLODEDQ515, Q516, Q541 EXPLODEDA01 HEAT SINK230127160591 EXPLODEDA02 CUSHION-228141682 EXPLODEDA03 CUSHION-128141691 EXPLODEDA05 SCREW3TTB+8B(3BC)10838430088GR EXPLODEDA07 ISO SHEETAC2622223025 EXPLOD

46、EDA08 SCREW3SMS8W.SW+14B(CU)2801634 EXPLODEDA11 RETAINER(PCB)127142025 EXPLODEDA101 REAR PANEL(MDC)127123587A EXPLODEDA101 REAR PANEL(MPP)127123588A EXPLODEDA102 BUSHINGS-RELIEF #2271127300750! EXPLODEDA103 KNOB(VOL)128326463 EXPLODEDF901 FUSE5A-UL/T-2331252326GR! EXPLODEDF901 FUSE1.6A-SE-EAK IECFUS

47、E1252073GR! EXPLODEDF901 or FUSE1.6A-SE-TL250V(1)252273GR! EXPLODEDP901 AC CORDAS-UC-21253333VOL! EXPLODEDP901 or AC CORDAS-UC-2( 1)253368LTK! EXPLODEDP901 or AC CORDAS-UC-2( 1)253368YUN! EXPLODEDP901 AC CORDAS-CEE1253336VOL! EXPLODEDS901 RC SWNRC-11007P125065620! EXPLODEDT901 P TRANSNPT-1539D123018

48、63! EXPLODEDT901 P TRANSNPT-1539P12301864! EXPLODEDU01 MAIN PC BOARD ASSYNAAF-8829-1D11B138529-1D EXPLODEDU01 MAIN PC BOARD ASSYNAAF-8829-1C11B138529-1C EXPLODEDU03 POWER TRANS. PC BOARD ASSY NAPS-8831-1D11B138531-1D EXPLODEDU03 POWER TRANS. PC BOARD ASSY NAPS-8831-1C11B138531-1C EXPLODEDU05POWER SW

49、ITCH PC BOARD ASSY NASW-8833-1C11B138533-1C EXPLODEDU06 HOLDER PC BOARDNAETC-88341-NSP EXPLODED SPEAKER SECTION (SKW-940) EXPLODEDSP01a CABINET ASSYSKW-940 (B) MDC1000-SKW940BMDCSER NOTE : THE COMPONENTS IDENTIFIED BY THE MARK ! ARE CRITICAL FOR RISK OF FIRE AND ELECTRIC SHOCK. REPLACE ONLY WITH PART NUMBER SPECIFIED. 2/7 PAGE EXPLODEDSP01b CABINET ASSYSKW-940 (B) MPP1000-SKW940SMPPSER EXPLODEDSP02 FOOT(PLASTIC)4D249-W54001B-00 EXPLODED