Onkyo-SKW204-sub-sm 电路图 维修手册.pdf

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1、SKW-204 SERVICE MANUALSERVICE MANUAL POWERED SUBWOOFER Black, Silver and Yellow models MODEL SKW-204(B)/(S)/(Y) Ref. No. 3946 052006 120V AC, 60Hz 230-240V AC, 50Hz 230-240V AC, 50Hz B MDC B MPP S MPP 230-240V AC, 50Hz 120/220-240V AC, 50/60Hz 120/220-240V AC, 50/60Hz S MPA S MWT Y MWT SAFETY-RELATE

2、D 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 TO DETERMIN

3、E 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 SKW-204 EXPLODED VIEWS-1 AMPLIFIER SECTION SKW-204 SP12 x 4 pcs. A05a x 2 pcs. A05 x 4 pcs. A08 x 2 pcs. SP11 x 10 pcs. A05 x 2 pcs. A05 x 2 pcs. A05 x 5 pcs.

4、 A103 A103 A102 P901 SP13 x 2 pcs. U03 A11 A01 U01 A07 A07 A101 A02 A02 U06 U05 U04 U02 A05 Q515 Q516 Q541 F901 T901 A04 A03 F901C S901 A06 F902 Refer to EXPLODED VIEWS-2 U04 (VOLTAGE SELECTOR PC BOARD) : MWT type only. F901C (LABEL) : MPP/MPA type only. Part No. (SN) - Refer to PRINTED CIRCUIT BOAR

5、D PARTS LIST. RadioFans.CN 收音机爱 好者资料库 SKW-204 EXPLODED VIEWS-2 SPEAKER SECTION SKW-204 SP07a / b SP09a - c SP01a - c SP04 x 6 pcs. SP02 x 4 pcs. SP04 x 4 pcs. SP03 x 4 pcs. SP08 SP05a / b SP06 SP11 x 2 pcs. RadioFans.CN 收音机爱 好者资料库 SKW-204 SCHEMATIC DIAGRAM SKW-204 A 1 2 3 4 5 BCDEFGH P906B P908B P90

6、6A P906A P908A P905B P905B P907A P905A P907A T901 NPT-1539DQ 01 02 05 06 J317 FOR SKW-204AMP J316 FOR SKW-540AMP S902 S101 P301A P301B Q303(1/2) NJM4558LD 3 8 2 4 1 Q302(1/2) NJM4558LD 3 8 2 4 1 E801 Q302(2/2) NJM4558LD 4 8 5 6 7 Q303(2/2) NJM4558LD 4 8 5 6 7 Q301(2/2) NJM4558LD 4 8 5 6 7 Q301(1/2)

7、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 5.6 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 5

8、60K 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 S901 P901 P901 F901 5A/125V F902 1.6A/250V F901 1.6A/250V T901 NPT-1539P P903BP903B J903A P632A REDGREEN D601 MTZJ2.7B D602 MTZJ2.7B D501 MTZJ5.6B D9

9、52 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-BL Q515 2SC5359-O/R Q513 2SC5171 Q518 2SC2235-Y Q502 2SC2240-BL Q5

10、01 2SC2240-BL Q609 NC Q603 2SC1740S-S Q608 2SC1740S-S P906B P902A P902A JL535A/B P531 P501B P633 P631 D651 1SS133 D603 1SS133 D606 1SS133 D903 RL1N4003 or GP104003E D902 RL1N4003 or GP104003E D605 1SS133 R302 20K R101(2/2) 20K R101 20K C301 C303 NC C955 223J C316 124 C313 124 C315 334J C312 334J C50

11、6 070 C502 NC C514 101 C520 224 C519 224 C505 020 C503 224J C950 104/50 C903 104J/100 C904 104J/100 C311 100/25 C302 47/50 C314 47/16 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 56

12、00/71 R317 2.2K R306 47K R301 1K R311 100K R313 3.3K R312 100K R314 3.3K R315 3.3K R307 220* R305 22K* R303 47K R304 2.2K* R321 1K R320 10K R316 10K R319 100K 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 R

13、543 180 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 FOR SKW-204AMP NAAF-8830 PHASE SWITCH OFF ON MWT MPP/MPA NAPS-8831NASW-8832 NASW-8833 NAPS-8831 NASW

14、-8833 FOR SKW-204AMP PHASE SWITCH AND FREQUENCY ADJUST. P906A P907A S901 P901 F901 5A/125V T901 NPT-1539D P903B P906B P902A MDC NASW-8833 NAPS-8831 NAAF-8829 224(PP/PA/WT) NC NC NC NC NC +5.6V AGAINST FIRE HAZARD, REPLACE VA FOR CONTINUED PROTECTION AND RATING INDICATED. ONLY WITH FUSE OF SAME TYPE

15、CAUTIONATTENTION 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 FUSIBLES DE MEME TYPE. CE DARNI

16、ER 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 THE COMPONENTS IDENTIFIED B

17、Y 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 OTHERWISE NOTED. ALL DIODES ARE

18、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 ARE THE PRINTING SIDE OF

19、THE PARTS. EX) PRINTING SIDE CIRCUIT IS SUBJECT TO CHANGE FOR IMPROVEMENT. ! NOTE POWER SWITCH PC BOARD U05 POWER TRANSFORMER PC BOARD U03 MAIN PC BOARDU01 LINE INPUT OUTPUT LEVEL POWER SWITCH SPEAKER LED MPP/MPA ADJUST. IDLING NC : No mount of parts. Hi Hi Lo VOLTAGE SELECTOR PC BOARD U04 MWT Lo MW

20、T FREQUENCY ADJUSTMENT PC BOARD U02 POWER SWITCH MDC FREQ. SKW-204 SCHEMATIC DIAGRAM SKW-204 A 1 2 3 4 5 BCDEFGH P906B P908B P906A P906A P908A P905B P905B P907A P905A P907A T901 NPT-1539DQ 01 02 05 06 J317 FOR SKW-204AMP J316 FOR SKW-540AMP S902 S101 P301A P301B Q303(1/2) NJM4558LD 3 8 2 4 1 Q302(1/

21、2) NJM4558LD 3 8 2 4 1 E801 Q302(2/2) NJM4558LD 4 8 5 6 7 Q303(2/2) NJM4558LD 4 8 5 6 7 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 0.0

22、5 0.6 5.0 5.6 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 S901 P901 P901 F901 5

23、A/125V F902 1.6A/250V F901 1.6A/250V T901 NPT-1539P P903BP903B 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 2S

24、A933S 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 P906B P902A P902A JL535A/B P531 P501B P633 P631 D651 1SS133 D603 1SS133 D606 1SS133 D903 RL1N4003 or GP104003E D902 RL

25、1N4003 or GP104003E D605 1SS133 R302 20K R101(2/2) 20K R101 20K C301 C303 NC C955 223J C316 124 C313 124 C315 334J C312 334J C506 070 C502 NC C514 101 C520 224 C519 224 C505 020 C503 224J C950 104/50 C903 104J/100 C904 104J/100 C311 100/25 C302 47/50 C314 47/16 C527 1/50 C501 47/50 C517 10/50 C528 1

26、0/50 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 R317 2.2K R306 47K R301 1K R311 100K R313 3.3K R312 100K R314 3.3K R315 3.3K R307 220* R305 22K* R303 47K R304 2.2K* R321 1K R320 10K R316 10K R319 100K R531 0.22 (5W

27、) 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 R527 270 R509 1K R504 2.2K R503 5.6K R522 220 R521 220 R501 1K R603 150K R601 5.6K

28、 R605 22 R602 100K R604 180 FOR SKW-204AMP NAAF-8830 PHASE SWITCH OFF ON MWT MPP/MPA NAPS-8831NASW-8832 NASW-8833 NAPS-8831 NASW-8833 FOR SKW-204AMP PHASE SWITCH AND FREQUENCY ADJUST. P906A P907A S901 P901 F901 5A/125V T901 NPT-1539D P903B P906B P902A MDC NASW-8833 NAPS-8831 NAAF-8829 224(PP/PA/WT)

29、NC NC NC NC NC +5.6V AGAINST FIRE HAZARD, REPLACE VA FOR CONTINUED PROTECTION AND RATING INDICATED. ONLY WITH FUSE OF SAME TYPE CAUTIONATTENTION ET CALIBRATION COMME INDIQUE. DINCENDIE, REMPLACER UNIQUEMENT PERMANENTE CONTRE LES RISQUES AFIN DASSURER UNE PROTECTION PAR UN FUSIBLE DE MEME TYPE VA E L

30、ENT.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 TO THE SYMBOL. HAZARD,REPLACE WITH SAME TYPE

31、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 INPUT SIGNAL). ALL PNP TRANSISTORS ARE EQUIVALEN

32、T 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 OTHERWISE NOTED. EX) 030- 3pF 330- 33pF 331- 330

33、pF 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 PC BOARD U03 MAIN PC BOARDU01 LINE INPUT OUTPU

34、T LEVEL POWER SWITCH SPEAKER LED MPP/MPA ADJUST. IDLING NC : No mount of parts. Hi Hi Lo VOLTAGE SELECTOR PC BOARD U04 MWT Lo MWT FREQUENCY ADJUSTMENT PC BOARD U02 POWER SWITCH MDC FREQ. SKW-204 PRINTED CIRCUIT BOARD VIEWS-1 MAIN PC BOARD (NAAF-8829)U01 Component side R544 P502A Q517 R543 R533 Q515

35、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 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 C903

36、C904 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

37、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 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

39、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 SKW-204 PRINTED CIRCUIT BOARD VIEWS-2 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

40、P910A P903A P903A AC-GAC-H RISKOF FIRE -REPLACEFUSE AS MARKED. 15 15 15 15 A 1 2 3 4 5 BCD SKW-204 PRINTED CIRCUIT BOARD VIEWS-3 FREQUENCY ADJUSTMENT PC BOARD (NAAF-8830)U02 Component side VOLTAGE SELECTOR PC BOARD (NASW-8832)U04 Component side POWER SWITCH PC BOARD (NASW-8833)U05 Component side MWT

41、 type only NCAF-8830 25138830 1 NORMALREVERSE 1 R101 R101 P301B J101 J103 J102 S101 NCSW-8832 25138832 1 F902A 120V F902B F902T1.6A250V S902 S902 P905B 240V J908A AC-GAC-H NCSW-8833 25138833 1 S901 C901 P906B J908B BLACK AC-GAC-H RISKOF FIRE -REPLACEFUSE AS MARKED. 15 7 A 1 2 3 4 5 BCD ADJUSTMENT PR

42、OCEDURE ADJUSTMENT OF IDLING CURRENT SKW-204 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

43、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 voltmeter to test point P531. 4. Connect the AC power cord into a wall outlet. 5. Press POWER button to turn o

44、n the unit. 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 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 trim

45、ming 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. 8. Press POWER button to turn off the unit. 9. Disconnect the DC voltmeter. 10. Disconnect the AC power cord from a wall outl

46、et. SKW-204 PACKING PROCEDURE TOP BOTTOM SKW-204( ) SKW-204( ) SKW-204( ) SKW-204( ) SKW-204( ) 11 10a - d 07 10a - d 09 01a - f 09 02 (Top) 03 (Bottom) 07 07 12 L = 10 ft. (3 m) (Black / RCA) 13 04 : INNER 05 : OUTER 07 08 14 1516 Front side Front side SKW-204 ONKYO EUROPE UK Office Suite 1, Gregor

47、ies Court, Gregories Road, Beaconsfield, Buckinghamshire, HP9 1HQ UNITED KINGDOM Tel: +44-(0)1494-681515 Fax: +44(0)-1494-680452 ONKYO U.S.A. CORPORATION 18 Park Way, Upper Saddle River, N.J. 07458, U.S.A. Tel: 201-785-2600 Fax: 201-785-2650 ONKYO EUROPE ELECTRONICS GmbH Liegnitzerstrasse 6, 82194 G

48、roebenzell, GERMANY Tel: +49-8142-4401-0 Fax: +49-8142-4401-555 Sales & Product Planning Div. : 2-1, Nisshin-cho, Neyagawa-shi, OSAKA 572-8540, JAPAN Tel: 072-831-8023 Fax: 072-831-8124 ONKYO CORPORATION HOMEPAGE ONKYO CHINA LIMITED Units 2102-2107, Metroplaza Tower I, 223 Hing Fong Road, Kwai Chung, N.T., HONG KONG Tel: 852-2429-3118 Fax: 852-2428-9039