Kenwood KAC-8405 Service Manual Download Page 8

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KAC-8405

KAC-9405/9405M

X09-8940-10 (3/4)

29.0V

-29.0V

29.0V

-29.0V

29.0V

-33.0V

D519

D520 D512

D511

D602

Q604

Q602

Q608

Q612

Q606

D612

Q614

Q610

Q620

D604

Q616

D608

Q622

Q626

Q698

D606

Q624

D610

Q628

D601

Q603

Q601

Q605

D611

Q613

Q609

Q607

Q611

Q619

D605

Q697

Q627

Q623

D609

Q615

D603

D607

Q621

Q625

D504

D514

D510

D506

D505

D508

D509

Q520

D507

Q599

Q501

Q503

Q505

D517

D513

D503

Q514

Q510

D502

Q504

Q502

Q506

D518

Q508

Q512

D501

Q513

Q509

Q507

Q511

Q516

Q528

Q530

Q524

Q522

Q526

D516

Q598

Q597

Q529

Q521

D515

Q525

Q523

Q527

Q515

-1.5dB

-3dB

MUTE

-3dB

-1.5dB

MUTE

POWER AMP

TP534

TP532

C522

TP531

C521 330u35

330u35

TP533

TP604

TP608

R602

5.6K

TP606

R610

5.6K

TP610

TP612

R628

22K

R624

TP620

680

TP624

C602

10u50

C608

R622

47K

47P

TP904

R630 22K

TP626

680

TP622

R626

470

R656

C620

1000P

R652

R638

1.8K

R634

C614

47P

TP628

100

R644

R648

TP634

TP636

C616

47P

TP630

TP632

C610 47u25

R632 2.2K

C612

R636

100

TP911

C618 10u50

C622

R654 1K

1000P

TP912

R650

R666

TP638

TP640

1.1K

R668

R664

R601

5.6K

R607

10K

R609

5.6K

R613

10K

R627

22K

470P

R617

15K

C603

C601

10u50

680

R625

C607

R621

47K

47P

R629

22K

680

R623

R514

R508

R502

5.6K

R510

5.6K

10K

R512

10K

13K

R516

R518

12K

15K

10u50

C502

680

R524

C508

47K

R522

47P

R528

22K

R530 22K

680

R526

680

R525

470

1000P

R635

100

C615

47P

C609 47u25

R631 2.2K

1.8K

R637

R649

C617 10u50

C621

C619

R653 1K

R651 1K

R655

1000P

C613

47P

R633

C611

R643

100

R647

R667

R665

R661

1.1K

470

R534

100

R550

47P

R532 2.2K

C512

C510 47u25

1.8K

R544

R554

C524 10u50

R560

R558 1K

R562

TP530

R536

C516

100

R535

C520 10u50

C518 220u35

100

R556

C519 10u50

C517

R538

220u35

R537

R501

5.6K

10K

R507

10K

R513

R509

5.6K

470P

15K

R517

C503

C501

10u50

R529

22K

R527

22K

680

R523

470

C515

47P

C509 47u25

C513

47P

R531 2.2K

C511

1.8K

R543

R549

C523 10u50

R559 1K

R557 1K

R561

R533

100

TP614

TP618

TP616

10K

R614

10K

R608

13K

R612

12K

R616

15K

R618

3.9K

R620

470P

C604

R606

R604

TP603

TP607

TP65

TP609

TP611

TP613

TP615

TP617

TP903

TP619

TP625

TP621

TP627

TP629

TP631

TP909

TP633

TP635

TP910

TP637

TP639

R603

R605

4.7

R658

1.1K

R662

4.7

R659

1.1K

R663

100

R640

560

R642

100

R639

560

R641

TP526

TP504

TP508

TP506

TP520

TP512

TP510

TP514

TP516

TP518

TP902

TP507

TP505

TP503

TP525

TP522

TP521

TP511

TP509

TP513

TP515

TP517

TP901

TP527

TP519

TP539

TP540

TP544

TP908

TP542

TP907

TP536

TP538

TP546

TP906

TP541

TP905

TP537

TP535

TP545

TP543

R506

R504

3.9K

R520

470P

C504

R574

R572

4.7

R564

1.1K

R568

1.1K

R570

47P

C514

1000P

C528

1000P

C526

560

R548

100

R546

R503

R505

12K

R615

13K

R611

13K

R511

12K

R515

3.9K

R519

3.9K

R619

47K

R521

47P

C507

560

R547

100

R545

R571

R573

4.7

R565

1.1K

R569

1.1K

R567

1000P

C525

1000P

C527

R553

R555

TP529

C530 6P

R576 47K

R669 47K

C623 6P

C529 6P

R575 47K

R670 47K

C624 6P

4.7

R660

4.7

R657

4.7

R566

4.7

R563

Summary of Contents for KAC-8405

Page 1: ...uropean market SERVICE MANUAL 2009 12 PRINTED IN JAPAN B53 0772 00 N 341 POWER AMPLIFIER KAC 8405 KAC 9405 9405M Screw wrench key set N99 1820 05 Connecting cord assy E30 6144 05 19cm E M type M type Dressing Panel A21 6752 01 K type A21 6753 01 E type A21 6782 01 M type Fuse 30A F52 0045 05 ...

Page 2: ...DET DET BATT GND P CON Q523 526 Q703 Q711 712 SIGNAL DETECTOR Q715 716 Q3 PRIORITY P CON Q10 11 POWER ON OFF Q705 AVR FAN FAN POWER AMP BR BL SP OUTPUT INV 621 624 CLIPPER CLIPPER Q602 H P F IC12 IC13 L P F H P F L P F IC12 IC13 SENS VOL ST MONO MONO ST SENS VOL BR BL IC3 4 ISO AMP ISO AMP IC3 4 INV L P F L P F H P F IC7 IC8 H P F IC7 IC8 MUTE MUTE ATT Q502 CLIPPER 504 Q506 ATT CLIPPER Q501 503 Q5...

Page 3: ...rator Q20 Q21 Regulated power supply Q501 Q504 Q601 Q604 ATT circuit Q505 Q506 Q605 Q606 Mute Q507 Q514 Q607 Q614 Differential circuit 1st stage Q515 Q516 Q597 Q598 Q615 Q616 Q697 Q698 Differential circuit 2nd stage Q520 Q599 Power stage regulated power supply Q521 Q522 Q619 Q620 Temperature compensation Q523 Q526 Q621 Q624 Q704 Over current detection circuit Q527 Q530 Q625 Q628 Darlington Q531 Q5...

Page 4: ...83 W444 W462 W427 W437 W438 W523 W413 W377 W410 W414 W388 W415 W325 W417 W302 W301 W443 W381 W520 W526 C901 W400 C902 R762 C90 5 8 4 1 5 8 4 1 5 8 4 1 5 8 4 1 1 2 1 4 3 6 5 8 7 9 10 11 8 16 9 8 5 1 1 2 7 8 4 B E B E B E E B E B B E B E E B B E B E E B B E E B B E E B E B E B E B E B B B E B E E B B E B E E B E B B E AUDIO UNIT X09 8940 10 A 2 J76 0655 11 X09 B 2 IC9 IC10 IC11 IC12 IC13 IC14 Q711 D...

Page 5: ...R636 R637 R638 R639 R640 R641 R642 R643 R644 R647 R648 R649 R650 R651 R652 R653 R654 R655 R656 R657 R658 R659 R660 R661 R662 R663 R664 R716 R718 R719 R720 R727 R728 R729 R730 R734 R741 R744 R749 W339 W340 W348 W350 W363 W356 W355 W322 W343 W307 W342 W409 W392 W401 W422 W364 W399 31 30 W424 W420 W419 W312 W315 W327 W308 W305 W525 29 28 W395 W317 W318 W326 W330 W316 W372 W319 W329 W331 W333 W321 W33...

Page 6: ...7K TP733 TP732 C719 10u50 R756 10K 47K 4 15P 6 5 7 R118 10K C114 100P R120 C118 47u16 47K R119 C113 100P 8 3 R117 10K 15P 2 1 C117 47u16 C24 47u25 C23 47u25 47u25 C22 47u25 C21 R53 5 6K 5 6K R52 C20 3300u50 TP61 TP TP58 3300u50 R49 15K C19 TP60 TP57 TP 3 1 4 2 7 5 8 6 10 9 AR AR BR BR BL BL AL AL R109 12K R110 12K 15P C105 4 7K R105 1K R102 10K R115 10K R116 0 01 C107 0 01 C108 TP108 TP106 TP104 4...

Page 7: ... 10K 10K R725 R722 TP713 TP712 R731 2 3 TP709 1 2 2K R736 R739 22K R761 1 5K TP718 C715 1u50 TP724 R741 1 5K TP723 R745 R742 10K R744 R737 220K 10K TP720 TP722 R743 R740 16K C23 47u25 TP59 C18 TP58 1500P 10 11 9 TP719 TH1 TP721 6 7 8 C16 2200u16 1500P C14 TP52 R45 47 TP54 R43 47 C17 TP57 1500P 14 13 15 12 L2 7 3 TP56 R46 3 4 2 5 C15 2200u16 1 10 1 2W 47 R44 TP53 47 R42 10u50 TP51 C717 R753 10K 10K...

Page 8: ...7 R649 C617 10u50 C621 C619 R653 1K R651 1K R655 1000P C613 47P R633 C611 R643 56 100 47 R647 R667 0 1 R665 0 1 R661 1 1K 470 R534 100 R550 56 47P R532 2 2K C512 3P C510 47u25 1 8K R544 R554 47 C524 10u50 R560 R558 1K R562 1K TP530 R536 C516 100 R535 C520 10u50 C518 220u35 100 R556 47 C519 10u50 1K C517 R538 220u35 1K R537 R501 5 6K 10K R507 10K R513 R509 5 6K 470P 15K R517 C503 C501 10u50 R529 22...

Page 9: ...01 RKZ10KG B2 D6 13 706 708 709 LM1MA142WK G D7 B30 3220 05 D8 9 B30 1770 05 D10 12 18 503 506 513 514 517 520 603 608 611 612 702 705 710 HSU119TRF E D14 FCH10A20 D15 FRH10A20 D16 17 RKZ16KG B2 D501 502 601 602 1SS302 F D511 512 RKZ4 7KG B2 D704 RKZ12KG B2 MUTE DRV P CON R666 TP642 TP638 TP640 1 1K 0 1 2W R668 0 1 2W R664 TP644 R667 0 1 2W R665 0 1 2W R661 1 1K 1K R537 R715 47K R714 47K R713 47K ...

Page 10: ... E Gx2 Zx11 C C C C C 3 9 E E E E E E E E Ex5 Ex4 Ex2 723 720 Ax8 Ax4 Ax4 F F 715 719 16 E F F 719 16 E 702 A B C E F G Z N09 6365 05 N09 6726 05 N80 3008 43 N89 3008 48 N89 3016 48 N09 6447 05 N09 4214 08 Bundled to the transistor Bundled to the transistor Bundled to the transistor Parts with the exploded numbers larger than 700 are not supplied ...

Page 11: ...0PF K C103 104 CD04BJ1H100M ELECTRO 10UF 50WV C105 106 CC73GCH1H150J CHIP C 15PF J C107 108 CK73GB1H103K CHIP C 0 010UF K C109 110 CC73GCH1H101J CHIP C 100PF J C111 112 CC73GCH1H150J CHIP C 15PF J C113 114 CC73GCH1H101J CHIP C 100PF J C117 CD04AT1C470M ELECTRO 47UF 16WV C118 CD04AS1C470M ELECTRO 47UF 16WV C151 154 CK73GB1H104K CHIP C 0 10UF K C200 202 CK73GB1H102K CHIP C 1000PF K C203 204 CD04BJ1H...

Page 12: ...R 3 0K J 1 10W R409 410 RK73GB2A183J CHIP R 18K J 1 10W R411 412 RK73GB2A333J CHIP R 33K J 1 10W R413 414 RK73GB2A221J CHIP R 220 J 1 10W R415 416 RK73GB2A104J CHIP R 100K J 1 10W R417 422 RK73GB2A103J CHIP R 10K J 1 10W R423 424 RK73GB2A222J CHIP R 2 2K J 1 10W R425 426 RK73GB2A302J CHIP R 3 0K J 1 10W R427 428 RK73GB2A103J CHIP R 10K J 1 10W R429 430 RK73GB2A163J CHIP R 16K J 1 10W AUDIO UNIT X0...

Page 13: ... J 1 10W R655 656 RK73GB2A471J CHIP R 470 J 1 10W R657 660 RK73EB2E4R7J CHIP R 4 7 J 1 4W R661 664 RK73GB2A112J CHIP R 1 1K J 1 10W R665 668 R92 5413 05 METAL P R 0 1 J 2W R669 670 RK73EB2E473J CHIP R 47K J 1 4W R671 672 RK73PB2H100J CHIP R 10 J 1 2W R701 RK73GB2A222J CHIP R 2 2K J 1 10W R702 704 RK73GB2A103J CHIP R 10K J 1 10W R705 RK73GB2A332J CHIP R 3 3K J 1 10W R706 707 RK73GB2A103J CHIP R 10K...

Page 14: ...000J CHIP R 0 0 J 1 10W W421 RK73EB2E000J CHIP R 0 0 J 1 4W W422 423 RK73GB2A000J CHIP R 0 0 J 1 10W W424 RK73EB2E000J CHIP R 0 0 J 1 4W W425 436 RK73GB2A000J CHIP R 0 0 J 1 10W W437 RK73EB2E000J CHIP R 0 0 J 1 4W W438 439 RK73GB2A000J CHIP R 0 0 J 1 10W W440 442 RK73EB2E000J CHIP R 0 0 J 1 4W W443 RK73GB2A000J CHIP R 0 0 J 1 10W W444 445 RK73EB2E000J CHIP R 0 0 J 1 4W W446 447 RK73GB2A000J CHIP R...

Page 15: ...20 TRANSISTOR Q16 19 STP60NF06FP FET Q20 2SD2012 F TRANSISTOR Q21 2SB1375 F TRANSISTOR Q501 508 2SC4154 F TRANSISTOR Q509 510 ISA1602AM1 F TRANSISTOR Q511 512 2SC4154 F TRANSISTOR Q513 514 ISA1602AM1 F TRANSISTOR Q515 516 KTA1268 P TRANSISTOR Q520 KTA1268 P TRANSISTOR Q521 522 2SC4081 S TRANSISTOR Q523 524 2SC4154 F TRANSISTOR Q525 526 KTA1268 P TRANSISTOR Q527 528 2SC1627A F TRANSISTOR Q529 530 2...

Page 16: ...dB oct 50 Hz 200 Hz variable High Pass Filter Frequency 12 dB oct 50 Hz 200 Hz variable Bass Boost Control 40 Hz B channel 0 18 dB SPECIFICATIONS INSTALLATION General Operating Voltage 14 4 V 11 16 V allowable Current Consumption 34 A Dimensions W H D 280 59 238 mm 11 2 5 16 9 3 8 inch Weight 2 8 kg 6 1 lbs CEA 2006 K E type only RMS Watts per channel 4 ohms 1 THD N 60 W 4 Signal to Noise Ratio Re...

Page 17: ...79 W441 W485 W452 W483 W444 W347 W460 W461 W462 W427 W396 W405 W403 W437 W438 W385 W360 W346 W354 W374 W365 W380 W391 W349 W523 W371 W373 W378 W382 W404 W398 W413 W377 W410 W411 W414 W388 W415 W325 W417 W412 W386 W302 W390 W301 W344 W338 W352 W443 W336 W381 W524 W519 W522 W521 W516 W517 W518 W520 W526 C901 W400 C721 C902 R762 R761 R759 R760 C90 1 2 1 8 7 8 4 5 5 8 4 1 5 8 4 1 5 8 4 1 5 8 4 1 5 8 4...

Page 18: ... 1000P TP912 R650 R666 TP642 TP638 TP640 1 1K 0 1 2W R668 0 1 2W R664 TP644 R601 5 6K R607 10K R609 5 6K R613 10K R627 22K 470P R617 15K C603 C601 10u50 680 R625 C607 R621 47K 47P R629 22K 680 R623 R514 R508 TP502 R502 5 6K R510 5 6K 10K R512 10K 13K R516 R518 12K 15K 10u50 C502 680 R524 C508 47K R522 47P R528 22K R530 22K 680 R526 680 R525 470 1000P 3P R635 100 C615 47P C609 47u25 R631 2 2K 1 8K ...

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