Kenwood KDC-208U Service Manual Download Page 10

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KDC-208U/248U/4051UGM/4051URM/MP148U/MP248U

KDC-U3049/U349A/U349G/U349R/U349S/U4049

PC BOARD (FOIL SIDE VIEW)

Q321

Q251

D251

D321

Q341

D341

IC1

IC580

D102
D112

D540

D113

IC540

IC501

Q540

IC80

D110

D502

D503

D100

D101

Q782

Q971

Q970

Q951

Q780

Q781

IC771

IC93

IC531

IC532

IC530

D781

D780

D782

D301

D970

D971

D132

D783

IC161

C253

R347

R349

R461

R257

R343

L10

R10

C29

C27

C12

C11

R324

R310

R400 C317

R333

R168

C168

R477

R320

R373

R342

C341
R341

R332

R351

R321

C321

R255

R253

R252

R251

C26

C28

R323

C17

C18

R11

C16

C19

C22

R165

R163

R161

R167

R162

C308

C307

C319

C318

L161

C166

R334

C170

C171

R340

R322

C254

R258

R330

R331

R353

R254

R256

C331

R352

R350

TH301

R303

R304

C313

C316

C169

C351

R305
R780
C314

R781

C311

C312

R307

R357

R358

C315

C305

R783

C178

C306

R481

R974 R971

R970

R451

R306

R446

R444

R443

R422

R972

R976

R401

R491

R447

R302

C540
C541

R574

C570

C568

R463

R530

R409

R408

R570

R465

R466

R464

C574
C573

R973

C954

R484

R445

R439

R742
R744

R471

R418

R440

C714

R74

C727

R754 R753

R778

R904

R779

C931

R975

C723

R479

R450

R701

R718

R426

R787

R405

C572

R573

C571

C535

C532

C533

C530

C531

C569

C567

R572

R571

R739

C534

R784

C20

R544

R542

R541 C548

C549

C545

C544 C543

C177

R478

R404

R723

R417

C21

C10

R591

R579

C587

R592

R599

R529

R587

R588

C595

R589

R590

R594

R403

C546

C547

C542

R540

R402

R543

R416

C592

R595

C23

C13

C14

C15

R432

R722

L11

L12

R726

C161

C173

C575

C576

R545
R549

R512

R548

R412

R411

R519

R520

R546

R585

R580

R528

R575

R490

C102

C101

R468

R550

R413

R414

C512

C508

R547

C557

R467

C556

R410

C505

R516

C552

C558
C554

C555

C594

R593

R597

C585

R598

R581

R582

C582

R596

R459

R576

C509

R534

R502

R503

C503

R501

C510

C511

R577

C111

R583

R584

C593

C553

R406

C588

C583

R586

R513

R507

C517

R532

R531

C559

R508

R509

R551

R552

R505

R511

C516

C504

R517

C501

C551

C550

C515

R506

C507
R514

C513

C560

C506

R510

R518

C518

R515

R504

R728

C563 C596

L531

R708

R713

R715

C110

C706

R110

R102
R100

R82

C80

R462

R554
R555

R752

R431

R492

R736

R735

R751

R745

R749

R750

R111

R101

C100

R415

R429

R430

R428

R561

R564

R563

R562

R556

C562

L561

L562

C561

R553

R533

R485

R568
R567

R566
C566
R565

L563

C565

C564

R557

R558

R569

L565

L564

R740

C713

R727

R731

R560

R559

R741

CB E

E BC

CB E

E BC

CB E

E BC

E B

E
B

3 4

2 1

3 4

2 1

3 4

2 1

3 4

2 1

C368

J321

CN502

S701

IC301

D901

PRE OUT

ANTENNA

B313

B521

B314

B170

B311

B186

B187

B189

B190

B191

B542

B551

B532

B533

B534

B535

B536

B537

B762

B539

B540

B541

B761

B760

L702

B538

X540

B793

B792

B791

B790

B789

B188

B301

B192

B163

C309

B309

B310

B164

B165

B166

B167

B169

B171

B172

B173

B174

B543

RST

SWDIO

SDA

SCL

B175

B176

B177

B178

B179

B180

B182

B181

B183

B184

B185

B503

B527

B528

B529

B552

B531

B168

B315

B306

B921

B920

B919

B305

B304

B303

B302

B307

B308

B933

B908

B925

B912

B901

B911

B924

C320

L901

C340

C252

C330

C251

C160

C901

C172

C932

C24

C25

C586

C591

C590

C584

C174

C162

C514

C350

C310

ELECTRIC UNIT

X34-69xx-xx

(GEB10301-201A)

Summary of Contents for KDC-208U

Page 1: ...A KDC 248U Panel assy GE20280 020A KDC U349A G R Panel assy GE20277 019A KDC U349S Panel assy GE20277 006A Y33 3400 25 TDF 4051URM KDC U4049 Y33 3403 01 TDF U4049 KDC U4049 Panel assy GE20280 019A After replacing E2PROM IC771 on X34 tuner setting adjustment is needed The adjustment is that to perform the TUNER Setting Adjustment Mode Page 5 in the Tuner Test Mode Specification of Production Test M...

Page 2: ...C702 ILLUMI B CONNECTOR RESET SW REMO FL IC701 IC301 IC602 CN901 ILLUMI B EN601 FL601 J321 MUTE Q780 IC1 Q701 VDD3 3V to GND S701 CN601 A9V ANT E2PROM BU3 3V F AUX J602 PANEL DET IC901 CN701 SW3 3V IC771 TUNER ROTARY ENCODER KEY ILLUMI FL FILAMENT RESISTOR KEY MATRIX LOAD RESISTOR MOTOR DRIVER IC SUPPLY POWER DC CN etc MUTE RCA AMP POWER RCA OUT DET SURGE DC CN BU5V SERVO IC OASIS IC540 CD 3 3V CD...

Page 3: ... Reset Momentary voltage drop ACC OFF POWER OFF Panel Detach 4 Production Test Mode Default status immediately after the mode activation It shall be same as normal RST start in other settings than the following Details Difference in action Period to prohibit TEL LINE MUTE immediately after activation normally 10 seconds 1 second Mecha Initialize Action Prohibited Write in to E2PROM when detecting ...

Page 4: ...display 8 digit Display as it is in hex All lights ON All lights ON Switch with other display 3 Toggle All lights ON OFF All lights ON OFF with toggle 4 Toggle Information display iPod verification IC mount sta tus display i P o d i P o d O K i P o d N G i P o d iPod verification IC mount status display Blank Verifying OK Verification IC mounted NG Verification IC not mounted Non iPod support mode...

Page 5: ...NER setting mode after switching to 98 3MHz SG setting values Frequency 98 3MHz Modulation frequency 1kHz Modulation mode MONO Modulation OFF Deviation 40kHz ANT input level 34dBμV TUNER Setting Adjustment Mode 1 Operation Operation after performance of above mentioned Shift to TUNER setting mode item Operation Display content Details BAND Toggle AUTO Adjustment Mode A S x x L x x Select TUNER adj...

Page 6: ...2 Judge ment Information Display C D H C 1 C D H C 2 C D HC1 2 Judgement Infomation HC1 HC1 mecha for this model HC2 HC2 mecha Impossible of Judgement Normal Display T 0 1 1 2 3 Normal Display 3 Special jump operation Jump to No 28 Scratch 0 7mm for MUSIC line vibration test 4 Special jump operation Jump to No 14 Damaged disc TCD 731RA Tr14 5 Special jump operation Jump to No 15 Set Volume value a...

Page 7: ...ion by pressing for 2 sec onds when it is displayed CD Error Information Display Mode Operation Display content Details DISP CD error information display mode Transit to CD error information display mode Move between BAND Forward search items with CD Mech error log display M E C H A E R x x Mech error history 1 2 3 latest History No 1 2 3 xx numbers of errors when there is none CD Load error info ...

Page 8: ...When DC error is not detected in case that none of capacitor leakage wrong connection or other detection is not found Mode operation specification Operation Display content Details 1 DC ERR1display D C 1 E R R When wrong connection DC error in other detection dura tion is detected D C 1 O K When wrong connection DC error in other detection dura tion is not detected 1 DC ERR1 clear D C 1 O K Clear ...

Page 9: ... Refer to the schematic diagram for the values of resistors and capacitors CN101 CN102 SW4 SW3 SW2 SW1 R1 SL1 15 1 B1 SL2 26 SP SP FE WHT LO LO WHT YEL RED BLK YEL FE ORG ORG REST MGND 1 CD PLAYER UNIT X32 6430 00 A 2 LVB11003 001A X32 B 2 PC BOARD FOIL SIDE VIEW E D C B A 1 2 3 4 5 6 7 ...

Page 10: ...412 R411 R519 R520 R546 R585 R580 R528 R575 R490 C102 C101 R468 R550 R413 R414 C512 C508 R547 C557 R467 C556 R410 C505 R516 C552 C558 C554 C555 C594 R593 R597 C585 R598 R581 R582 C582 R596 R459 R576 C509 R534 R502 R503 C503 R501 C510 C511 R577 C111 R583 R584 C593 C553 R406 C588 C583 R586 R513 R507 C517 R532 R531 C559 R508 R509 R551 R552 R505 R511 C516 C504 R517 C501 C551 C550 C515 R506 C507 R514 C...

Page 11: ... R712 R703 R725 R772 R702 R434 R773 R771 R427 R421 R470 L983 R961 R457 R456 R102 R100 82 C80 C718 C702 R752 R431 C701 R751 R756 C708 R786 C711 R112 C112 R448 C728 R750 R790 R757 R495 R789 C705 R429 C712 R782 R721 R430 40 13 R741 C716 R776 R775 R483 R737 C733 R488 L101 C722 R922 R487 L102 C726 R963 C730 R769 R732 R768 R763 R766 R764 R767 R765 R472 C729 R759 C732 R758 E B E B E B E B E B 1 2 4 3 3 4...

Page 12: ...4 5 6 DISP SRC EJECT AUX ENCODER ACCENT 102 101 99 52 1 4 53 55 48 29 R654 D686 D685 D684 D683 Q663 Q661 Q662 D607 D606 D605 D601 IC601 D602 D603 D604 Q602 Q664 D608 CN601 SWITCH UNIT X16 705x xx GEB10302 001A TL624 C681 C682 C683 C671 C672 R686 R682 R683 C685 R681 TL626 TL625 R671 R657 TL627 TL621 TL622 R659 LF601 R669 R672 R675 2 20 1 19 R631 R632 R667 C692 C691 C642 R625 R623 R622 C631 R670 TL6...

Page 13: ...K TRK FOCUS FOCUS 5 4 3 2 1 6 7 8 9 10 0 1 1 0 1 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 VF1 SW3 VCC SW2 VF2 SW1 VT2 PSW VT1 VREF MD MGND LOADING LOADING SPINDLE SPINDLE FEED FEED GND LD GND TRACKING TRACKING FOCUS FOCUS 36 35 34 33 32 31 30 29 28 27 26 25 24 23 22 21 20 19 S GND VCONT MUTE1 MUTE234 VIN4 VIN4 VREF IN VREF OUT REG OUT REG IN VIN OP VIN OP VO OP VIN3 VIN...

Page 14: ...000P C3 R9 R1 R2 C6 L9 0 47uH 0 1 C23 C13 1 0 22 C14 C15 0 1 12P C20 X1 4MHz 560uH L5 560uH L6 C10 1 C11 0 01 C12 0 01 C16 0 01 4 7K R4 0 1 C17 C18 0 01 C19 0 1 C24 0 1 C22 100u16 47 R5 R8 47 C21 0 1 R6 220 SCL SDA R7 220 80 79 78 77 76 75 74 73 72 71 70 69 68 67 66 65 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 XT2 XT1 REGVCC3 OC HIGH SID...

Page 15: ...IMMER IPOD SELECT PNO FL NO USE NO USE DVSS DVCC3 NO USE for ST ONLY PON PANEL REG1 1 DVSS REMO REC2 1 REG2 2 LRCK BCK DATA REG1 3 0 1 C713 1 2 3 4 5 6 7 8 9 10 11 ILM OUT ILM F CD OUT AUDIO F AUDIO OUT CTRL2 VCC CTRL1 GND ACC IN ACCOUT 1 5M R907 C903 47u16 47u16 C904 100u16 C906 0 1 C905 0 1 C912 R909 27K 4 7K R908 31 18 C907 330u6 3 1K R951 R952 330 0 1 C954 47K R970 68K R892 0 1 C891 12K R893 0...

Page 16: ...TION MODEL NAME DESTI KDC U449 KDC 4251URY KDC 4451UQ KDC 4651URY KDC 455UW KDC 4551UB KDC 415UA UR KDC 4051URY KDC 4051UG UR KDC U5049 KDC U4049 KDC 248U KDC U349A G R S KDC U3049 KDC 4051UGM URM KDC MP248U KDC MP148U KDC 208U U363 E R E1 E4 E6 E2 E3 E1 E7 E5 E3 E2 K3 K K1 K2 M M6 M5 C1 C1 M1 M4 M3 M1 M2 J1 J3 J2 X34 6922 72 X34 6922 73 X34 6922 72 X34 6912 72 X34 6922 74 X34 6922 71 X34 6912 71 ...

Page 17: ...654 R655 R659 R669 R656 R670 R657 R671 R658 R616 470P 470P C613 R614 4 7K 220 R612 C612 0 1 R615 4 7 470P C615 C616 47K C614 470P R611 L601 0 R622 0 1 C621 KS4 KS3 KS2 KS1 KI2 KI3 KI4 KI5 KI1 20 19 18 17 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 CNDET PANDAT FL B USB5V D D USBGND SYSDA VFDCE VFDCLK VOL2 VOL1 VFDINH REMOCON 11 5V ACC3 3V GND AUX G AUX R AUX L 1 3 2 4700P C671 4700P C672 VOL2 VOL1 77 8...

Page 18: ...Grease 66 46 13 81 29 17 71 63 31 32 86 83 28 51 51 64 2 76 882 F F F F F F D D F E E E F F C E F F 55 B A 896 X32 804 892 69 33 21 79 67 14 DPU1 69 48 42 43 41 39 37 38 26 27 12 1 22 23 16 24 68 62 DM1 22 78 DM2 77 DM3 834 61 896 903 901 902 EXPLODED VIEW CD MECHANISM Parts with the exploded numbers larger than 700 are not supplied ...

Page 19: ... 239 255 253 240 250 252 256 251 259 E C H 793 X34 794 X34 F901 H C J A K B B 771 703 D 266 RC1 DC1 209 263 223x2 217 247 261 DC2 Depends on the models Refer to the parts list A B C D E F G H J K GE40377 002A N86 2604 48 N86 2606 48 N80 2006 48 N80 2008 48 GE40377 005A N82 2606 48 QYSDSG3006ZA N86 2608 48 N86 2610 48 Parts with the exploded numbers larger than 700 are not supplied EXPLODED VIEW UN...

Page 20: ... CABLE M5M6 FC1 2D WJT0254 001A E E CARD WIRE 233 3C GE34055 001A USB DOOR COVER F901 2D F52 0023 05 FUSE 10A 238 2C GE40504 001A SPRING TORSION 239 2C GE40505 001A SPRING COMPRESSION 240 3C GE40505 002A SPRING DETACH GE34198 001A INNER CARTON K GE34200 001A INNER CARTON K3 GE34202 001A INNER CARTON K1 GE34204 001A INNER CARTON K2 GE34226 001A INNER CARTON M1 GE34228 001A INNER CARTON M3 GE34230 0...

Page 21: ...3EB2E751J CHIP R 750 J 1 4W K3M1M2 R653 RK73EB2E751J CHIP R 750 J 1 4W M5 R653 RK73EB2E911J CHIP R 910 J 1 4W C1 R653 RK73EB2E911J CHIP R 910 J 1 4W MM3M6 R654 RK73EB2E331J CHIP R 330 J 1 4W C1 R654 RK73EB2E331J CHIP R 330 J 1 4W MM3M6 R655 RK73EB2E152J CHIP R 1 5K J 1 4W KK1K2 R655 RK73EB2E152J CHIP R 1 5K J 1 4W K3M1M2 R655 RK73EB2E152J CHIP R 1 5K J 1 4W M4M5 R655 659 RK73EB2E471J CHIP R 470 J ...

Page 22: ...2 CK73GB1H223K CHIP C 0 022UF K C313 NCB21AK 105X A C CAPACITOR C314 315 CK73GB1A105K CHIP C 1 0UF K C316 319 CC73GCH1H101J CHIP C 100PF J KK1 C320 QEKJ1HM 106Z E CAPACITOR C321 CC73GCH1H101J CHIP C 100PF J C340 QEKJ1HM 106Z E CAPACITOR C341 CC73GCH1H101J CHIP C 100PF J C368 CK73GB1H472K CHIP C 4700PF K C503 504 CK73GB1C104K CHIP C 0 10UF K C511 512 CC73GCH1H471J CHIP C 470PF J C513 CK73GB1C104K C...

Page 23: ... 92 INDUCTOR L531 L92 0879 05 FERRITE BEADS L561 565 L92 0879 05 FERRITE BEADS L701 L40 4791 17 INDUCTOR L703 L92 0879 05 FERRITE BEADS L901 QQR1882 001 CHOKE COIL L981 QQL92AK 220Z INDUCTOR L982 NQLH25M 4R7X INDUCTOR L983 L92 0639 05 FERRITE BEADS L985 L92 0879 05 FERRITE BEADS X1 QAX0952 001Z CRYSTAL X540 L78 1236 05 C RESONATOR X701 QAX0957 001Z CRYSTAL X702 QAX0401 001 CRYSTAL F 2D GE40377 005...

Page 24: ... R 15K J 1 10W R575 RK73EB2E332J CHIP R 3 3K J 1 4W R576 577 RK73GB2A103J CHIP R 10K J 1 10W R580 RK73GB2A000J CHIP R 0 0 J 1 10W R586 RK73GB2A000J CHIP R 0 0 J 1 10W R595 596 RK73GB2A202J CHIP R 2 0K J 1 10W R701 RK73EB2E472J CHIP R 4 7K J 1 4W R702 RK73EB2E101J CHIP R 100 J 1 4W R703 704 RK73GB2A101J CHIP R 100 J 1 10W R706 RK73GB2A101J CHIP R 100 J 1 10W R708 RK73EB2E101J CHIP R 100 J 1 4W R712...

Page 25: ...D 1 10W R987 RK73GB2A103J CHIP R 10K J 1 10W S701 S70 0959 05 TACT SWITCH D100 101 DZ2J062 M X ZENER DIODE C1 D100 101 DZ2J062 M X ZENER DIODE K2K3M D100 101 DZ2J062 M X ZENER DIODE M1M2M3 D100 101 DZ2J062 M X ZENER DIODE M4M5M6 D102 DZ2J068 M X ZENER DIODE D110 111 DZ2J062 M X ZENER DIODE C1 D110 111 DZ2J062 M X ZENER DIODE K2K3M D110 111 DZ2J062 M X ZENER DIODE M1M2M3 D110 111 DZ2J062 M X ZENER ...

Page 26: ...1A ACT GEAR 2 41 3B LV38967 501A ACT GEAR 3 42 3B LV38968 501A ROLLER ACT GEAR 43 3B LV38969 501A DRIVE GEAR 46 1A LV39009 501A JOINT LEVER 48 3B LV44555 001A MAIN SHAFT 51 2A LV45424 001A HC ROLLER 55 2A X94 2180 00 HC ROLLER SHAFT ASSY SVC PRT 61 2B LV45415 501A TRIGGER SPRING 62 2B LV45416 501A LOAD CAM SPRING 63 1B LV45417 501A FL SLIDER SPRING 64 3A LV45418 501A R ARM SPRING 66 1A LV45420 501...

Page 27: ...ection Maximum output power 50W x 4 Full bandwidth power at less than 1 THD 22W x 4 Speaker impedance 4 8Ω Tone action Bass 100Hz 8dB Middle 1kHz 8dB Treble 10kHz 8dB Preout level load CD 2000mV 10kΩ Preout impedance 600Ω Auxiliary input section Frequency response 3dB 20Hz 20kHz Input maximum voltage 1200mV Input impedance 10kΩ General Operating voltage 11 16V allowable 14 4V Maximum current consu...

Page 28: ... decode AAC LC m4a files USB interface USB standard USB1 1 2 0 Full speed Maximum supply current 500mA File system FAT16 32 MP3 decode Compliant with MPEG 1 2 Audio Layer 3 WMA decode Compliant with Windows Media Audio KDC 4051UGM 4051URM AAC decode AAC LC m4a files Audio section Maximum output power 50W x 4 KDC U3049 U349A U349G U349R U349S U4049 Full bandwidth power at less than 1 THD 22W x 4 KD...

Page 29: ...15 1 B1 SL2 26 SP SP FE WHT LO LO WHT YEL RED BLK YEL FE ORG ORG REST MGND 1 CD PLAYER UNIT X32 6430 00 A 2 LVB11003 001A X32 B 2 PC BOARD FOIL SIDE VIEW KDC 208U 248U 4051UGM 4051URM MP148U MP248U KDC U3049 U349A U349G U349R U349S U4049 ...

Page 30: ...1 C173 C575 C576 R545 R549 R512 R548 R412 R411 R519 R520 R546 R585 R580 R528 R575 R490 C102 C101 R468 R550 R413 R414 C512 C508 R547 C557 R467 C556 R410 C505 R516 C552 C558 C554 C555 C594 R593 R597 C585 R598 R581 R582 C582 R596 R459 R576 C509 R534 R502 R503 C503 R501 C510 C511 R577 C111 R583 R584 C593 C553 R406 C588 C583 R586 R513 R507 C517 R532 R531 C559 R508 R509 R551 R552 R505 R511 C516 C504 R51...

Page 31: ... R651 R653 R650 TL624 C681 C682 C683 C671 C672 R686 R682 R683 C685 R681 TL626 TL625 R671 R657 TL627 TL621 TL622 R652 BAND VCC GND OUT R684 R659 LF601 R669 R672 R675 2 20 1 19 R631 R632 R667 C692 C691 C642 R625 R623 R622 C631 R670 TL628 TL629 TL623 C614 L601 R612 C684 1 20 21 40 41 60 61 80 R614 C616 C615 C613 R611 R615 C612 C611 R616 R613 R676 R658 R656 R621 C621 R661 R663 C693 R668 R662 C641 R689...

Page 32: ...40 C340 10u50 330 4 7K R349 R347 4 7K R358 4 7K R357 4 7K 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 ILM OUT ILM F CD OUT AUDIO F AUDIO OUT CTRL2 VCC CTRL1 GND ACC IN ACCOUT VDD5V SW5V ANT OUT EXF 1 5M R907 C903 47u16 47u16 C904 100u16 C906 0 1 C905 0 1 C912 R909 27K 4 7K R908 31 18 C907 330u6 3 10u25 C910 1K R951 R952 330 0 1 C954 R974 47K R975 47K R976 68K 20K R973 10K 10K 47K R970 R971 R972 68K R892 0...

Page 33: ...V ACC3 3V GND AUX G AUX R AUX L 1 3 2 4700P C671 4700P C672 VOL2 VOL1 77 80 78 79 OUT VCC GND 2 3 1 9 1 R631 1 C611 VOL1 VOL2 C684 0 01 AUDIO VOL 11 5V 11 5V 79 77 78 80 1K TL625 TL621 TL626 TL627 TL628 TL629 TL622 TL623 TL624 R625 0 R623 10K 0 R684 R672 R675 4 2 3 1 D R681 27 D 27 R682 LF601 27P C682 27P C681 R683 10K 10 C685 D D 1 2W R632 0 OPEN D601 608 685 686 DZ2J051 M X D651 B30 1566 05 D652...

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