Onkyo HTP-750 Service Manual Download Page 7

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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

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

-V

+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 HTP-750

Page 1: ...round Back Speakers L R SKB 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 MEASUREMENTS TO DETERMINE THAT EXPOSED PARTS ARE ACCEPTABLY INSULATED FROM THE SU...

Page 2: ...OWERED SUBWOOFER HTP 750X A08 x 2 pcs SP11 x 10 pcs A104 x 2 pcs A05 x 2 pcs A05 x 5 pcs A103 A102 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 ...

Page 3: ...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 ass y All SP01b Subwoofer ass y Without AMP unit Speaker unit and Power transformer ...

Page 4: ...P24 SP41 SP42 SP43 SP44 SP51 SP52 SP53 SP54 SKF 750XF L SKC 750XC TERMINAL White Black TERMINAL Green Black Note Cannot remove the speaker grill SKF 750XF R TERMINAL Red Black SKM 750XS L TERMINAL Blue Black SKM 750XS R TERMINAL Gray Black SKB 750X L TERMINAL Brown Black SKB 750X R TERMINAL Tan Black ...

Page 5: ...VIEWS 4 AS 140 for HT S7100 HTP 750X ST61b ST66 x 8 pcs ST64 x 2 pcs ST63 x 2 pcs ST65 x 2 pcs ST61a BASE STAND COVER BASE PLATE ASSY BASE Bottom view PIPE ASSY AS 140 for HT S7100 PIPE ASSY with the speaker cables wired ...

Page 6: ... 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 R605 22 R602 100K R604 180 NAAF 8829 NAPS 8831 MDD ONLY AC 120V 60Hz MPP 224 NC NC D607 1SS133 AGAINST FIRE HAZARD REPLACE V A FOR CONTINUED P...

Page 7: ...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 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 R...

Page 8: ...RMER PC BOARD 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 9: ...eading of multimeter becomes 52 ohm to 53 ohm 3 Connect the DC voltmeter to test point P531 Fig 1 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 Not necessary to adjust When 5 21 mV to 10 0 mV ...

Page 10: ...inal type EXPLODED Q515 Q516 Q541 EXPLODED A01 HEAT SINK 230 1 27160591 EXPLODED A02 CUSHION 2 28141682 EXPLODED A03 CUSHION 1 28141691 EXPLODED A05 SCREW 3TTB 8B 3BC 8 838430088GR EXPLODED A06 TAPE TAPE CLOTH 16U 1 29110083 EXPLODED A07 ISO SHEET AC262 2 223025 EXPLODED A08 SCREW 3SMS8W SW 14B CU 2 801634 EXPLODED A11 RETAINER PCB 1 27142025 EXPLODED A101 REAR PANEL MDD MDC 1 27123963A EXPLODED A...

Page 11: ...BOARD ASS Y NAPS 8831 1S 1 1B138531 1S EXPLODED U06 HOLDER PC BOARD NAETC 8834 1 NSP EXPLODED SPEAKER SECTION SKW 750X EXPLODED SP01a SPK SYSTEM ASS Y ALL SKW 750X B MDD 1 000 SKW750XBMDD EXPLODED SP01b SUBWOOFER ASS Y SKW 750X B MDD 1 000 SKW750XBESER EXPLODED Note EXPLODED SP01a ALL EXPLODED SP01b Without AMP unit Speaker unit and Power transformer EXPLODED SP02 FOOT PLASTIC 4 D249 W55001B 01 EX...

Page 12: ... L 1 000 SKM750XSLB L EXPLODED SP42 SPEC LABEL L 1 600 750XML 00 L EXPLODED SP43 COMPLETE UNIT SKM 750XS B R 1 000 SKM750XSRB R EXPLODED SP44 SPEC LABEL R 1 600 750XMR 00 R EXPLODED SKB 750X B L R SURROUND BACK SPEAKERS EXPLODED SP51 COMPLETE UNIT SKB 750X B L 1 000 SKB750XBLB L EXPLODED SP52 SPEC LABEL L 1 600 750XBL 00 L EXPLODED SP53 COMPLETE UNIT SKB 750X B R 1 000 SKB750XBRB R EXPLODED SP54 S...

Page 13: ... DESCRIPTION Q TY PART NO SN REMARKS PWB Note PWB When replacement the following the transistor made from the same HFE rank as the original type PWB Q301 IC NJM4558L D 1 22240293 PWB Q501 TR 2SC2240 BL TPE2_F 1 2211406T NOTE THE COMPONENTS IDENTIFIED BY THE MARK ARE CRITICAL FOR RISK OF FIRE AND ELECTRIC SHOCK REPLACE ONLY WITH PART NUMBER SPECIFIED ...

Page 14: ...3206 Y 1 2215854T PWB Q510 or TR 2SC2229 Y TPE6_F 1 2211634T PWB Q510 or TR 2SC2229 O TPE6_F 1 2211633T PWB Q513 TR KTD2061 Y 1 2203434 PWB Q513 or TR 2SC5171 ONK_Q 1 2203010 PWB Q514 TR KTB1369 Y 1 2203424 PWB Q514 or TR 2SA1930 ONK_Q 1 2203000 PWB Q517 TR 2SA933S S 1 2213355T PWB Q517 or TR 2SA933S R 1 2213354T PWB Q517 or TR KTA1267 GR 1 2215995T PWB Q518 TR 2SC2235 Y TPE6_F 1 2211654T PWB Q519...

Page 15: ...WB Q607 or TR KTA1267 GR 1 2215995T PWB Q608 TR 2SC1740S S 1 2213285T PWB Q608 or TR 2SC1740S R 1 2213284T PWB Q608 or TR KTC3199 GR 1 2215864T PWB D501 ZENER D MTZJ5 6B 1 224470562T PWB D501 or ZENER D DZ 5 6BSB 1 224850562T PWB D601 ZENER D MTZJ2 7B 1 224470272T PWB D601 or ZENER D DZ 2 7BSB 1 224850272T PWB D602 ZENER D MTZJ2 7B 1 224470272T PWB D602 or ZENER D DZ 2 7BSB 1 224850272T PWB D603 D...

Page 16: ...503T PWB D951 or ZENER D DZ 15BSC 1 224851503T PWB D952 ZENER D MTZJ15C 1 224471503T PWB D952 or ZENER D DZ 15BSC 1 224851503T PWB C302 VX C CE04W50V 47M VX_BLK 1 397384707T PWB C501 VX C CE04W50V 47M VX_BLK 1 397384707T PWB C503 TF C ECQ V50V 224J 1 374722244T PWB C504 VX C CE04W16V 220M VX_BLK 1 397342217T PWB C505 CERA C CC45CH50V 020C 1 345340201T PWB C506 CERA C CC45CH50V 070D 1 345340702T PW...

Page 17: ...00M 1 3504399 PWB C909 VR C CE04W50V 22M VR 1 394682207T PWB C950 TF C ECQ V50V 104J 1 374721044T PWB C951 VR C CE04W16V 220M VR 1 394642217T PWB C952 VR C CE04W16V 220M VR 1 394642217T PWB C955 TF C ECQ B50V 223J 1 374722234T PWB R301 CARBON R R16J 1K 1 417341024T PWB R302 VARI R N17RGL20KB15M 1 5151508 PWB R303 CARBON R R16J 47K 1 417344734T PWB R304 CARBON R R16J 27K 1 417342734T PWB R305 CARBO...

Page 18: ... R R25J 82 1 415478204T PWB R515 CARBON R R16J 12K 1 417341234T PWB R516 CARBON R R16J 12K 1 417341234T PWB R517 CARBON R R16J 3 3K 1 417343324T PWB R521 CARBON R R16J 220 1 417342214T PWB R522 CARBON R R16J 220 1 417342214T PWB R526 METAL O R RS1 2WBJ 82 1 443528204T PWB R527 CARBON R R16J 270 1 417342714T PWB R528 METAL O R RS1 2WBJ 390 1 443523914T PWB R531 METAL PR RF 5EGKR22 1 4000201 PWB R53...

Page 19: ...8244T PWB R612 CARBON R R16J 39K 1 417343934T PWB R613 CARBON R R16J 470K 1 417344744T PWB R614 CARBON R R16J 120K 1 417341244T PWB R615 CARBON R R16J 22K 1 417342234T PWB R616 CARBON R R16J 100K 1 417341044T PWB R617 CARBON R R16J 1K 1 417341024T PWB R619 CARBON R R16J 22K 1 417342234T PWB R620 CARBON R R16J 100K 1 417341044T PWB R621 CARBON R R16J 1K 1 417341024T PWB R622 CARBON R R16J 10K 1 417...

Page 20: ...3324F PWB R952 METAL O R RS2WBJ 3 3K 1 441723324F PWB F901A FUSE HOL NSCT 1P2506 1 25052609T PWB F901Aor FUSE HOL NSCT 1P2031 1 25052133T PWB F901B FUSE HOL NSCT 1P2506 1 25052609T PWB F901Bor FUSE HOL NSCT 1P2031 1 25052133T PWB JL535A SOCKET AS NSAS 2P1335 1 2009990876UL PWB P301 PIN JACK NPJ 1PDB556 1 25045774 PWB P301 or PIN JACK NPJ 1PDB581 1 25045801 PWB P531 PLUG NPLG 2P29 1 25055038 PWB P6...

Page 21: ...12 12 PAGE ...

Page 22: ...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 8163 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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