Onkyo SKW-204(B) Service Manual Download

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SKW-204

PRINTED CIRCUIT BOARD VIEWS-1

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

Q507

R514

R512

R508

C526

C517

C506

Q505

Q509

Q503

C505

J310

Q502

Q501

R505

R506

C501

C519

C520

J323

NCAF-8829

25138829A

P531

R531

J324

J308

C527

C903

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

D651

P632A

J336

J335

JL535A

JL535B

P633

RED

BLACK

-Vee

+Vcc

J352

J351

C601

D603

R304

R305

R303

R307

J316

R620

R614

R613

R612

R302

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

R319

C314

R317

7654

321

R320

J302

C303

J309

J329

R615

J349

J350

2345

P911

J301

D501

R545

Q504

P903A

RED

BLK

Q301

Q302

Q303

R701

E701

C301

P631

P912

C906

C905

R952

J955

R951

E801

D601

D602

C302

R306

D901

J956

P301A

C312

C315

R321

C313

Summary of Contents for SKW-204(B)

Page 1: ...0 60Hz S MPA S MWT Y MWT 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 MEASUREMENTS TO DETERMINE THAT EXPOSED PARTS ARE ACCEPTABLY INSULATED FROM THE SUPPLY CIR...

Page 2: ...A05 x 2 pcs A05 x 5 pcs 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 Note U04 VOLTAGE SELECTOR PC BOARD MWT type only Note F901C LABEL MPP MPA type only Part No SN Refer to PRINTED CIRCUIT BOARD PARTS LIST ...

Page 3: ...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 ...

Page 4: ... 2SC2229 Y Q503 2SC2240 BL Q502 2SC2240 BL Q501 2SC2240 BL Q603 2SC1740S S Q608 2SC1740S S P501B P633 P631 D651 1SS133 D603 1SS133 D605 1SS133 R302 20K R101 20K C301 C303 NC C955 223J C313 124 C312 334J C506 070 C502 NC C505 020 C503 224J C950 104 50 C311 100 25 C302 47 50 C314 47 16 C527 1 50 C501 47 50 C504 220 16 C951 220 16 C952 220 16 C601 10 50 C603 470 16 C602 10 50 C60 33 3 R306 47K R301 1...

Page 5: ...FUSE OF SAME TYPE CAUTION ATTENTION ET CALIBRATION COMME INDIQUE D INCENDIE REMPLACER UNIQUEMENT PERMANENTE CONTRE LES RISQUES AFIN D ASSURER UNE PROTECTION PAR UN FUSIBLE DE MEME TYPE V A E LENT POUR UNE PROTECTION PERMANENTE N UTILISER 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 AGAI...

Page 6: ... 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 B C E C E B B C E 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 ...

Page 7: ...NAPS 8831 U03 Component side NCPS 8831 25138831 1 2 3 5 6 8 10 12 14 16 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 AC G AC H RISK OF FIRE REPLACE FUSE AS MARKED 15 15 15 15 A 1 2 3 4 5 B C D ...

Page 8: ... POWER SWITCH PC BOARD NASW 8833 U05 Component side Note MWT type only NCAF 8830 25138830 1 NORMAL REVERSE 1 R101 R101 P301B J101 J103 J102 S101 NCSW 8832 25138832 1 F902A 120V F902B F902 T1 6A250V S902 S902 P905B 240V J908A AC G AC H NCSW 8833 25138833 1 S901 C901 P906B J908B BLACK AC G AC H RISK OF FIRE REPLACE FUSE AS MARKED 15 7 A 1 2 3 4 5 B C D ...

Page 9: ... DC voltmeter to test point P531 Fig 1 4 Connect the AC power cord into a wall outlet 5 Press POWER button to turn on 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 tr...

Page 10: ...KING PROCEDURE T O P B O T T O M S K W 2 0 4 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 15 16 Front side Front side ...

Page 11: ...ttp www us onkyo com ONKYO EUROPE ELECTRONICS GmbH Liegnitzerstrasse 6 82194 Groebenzell GERMANY Tel 49 8142 4401 0 Fax 49 8142 4401 555 http www eu onkyo com Sales Product Planning Div 2 1 Nisshin cho Neyagawa shi OSAKA 572 8540 JAPAN Tel 072 831 8023 Fax 072 831 8124 ONKYO CORPORATION http www onkyo com HOMEPAGE ONKYO CHINA LIMITED Units 2102 2107 Metroplaza Tower I 223 Hing Fong Road Kwai Chung...

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