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Kenwood KRC-608, Service Manual

The Kenwood KRC-608 Service Manual is an essential resource for all owners of this high-performance car audio system. Easily download the manual for free from 88.208.23.73:8080 to access detailed instructions, troubleshooting tips, and technical specifications, ensuring optimal performance and enjoyment of your Kenwood KRC-608.

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C301A

C301B

R350

R102

R104

JC6

JC4

JC2

C601

JC20

JC21

JC18

JC19

JC16

JC30

JC53

JC50

R613

JC11

JC36

JC12

JC17

JC14

JC15

JC33

JC13

JC8

JC7

JC25

JC34

JC37

JC57

JC24

JC22

JC9

JC23

R100

C212

JC10

R351

R605

R253

R23

C253

C606

R44

R45

R37

JC31

JC27

JC28

JC29

C6

C2

R628

JC32

R38

C613

R624

C154

R608

R611

R606

R403

R402

R400

R404

R406

R407

R408

R405

R409

R644

C155

C404A

C10

C404B

R600

R602

C603

C602

R601

R307

C301

C305

C303

C304

R509

C310

R503

R505

C512

R504

R506

R502

C214B

C214A

C354

JC5

JC3

TH500

R206

C211

C210

R208

R207

C209

R508

C510

R352B

R352A

R353B

R103

R101

R210A

R211A

C201A

JC35

R201A

R211B

R210B

C201B

R201B

C200B

R200B

C200A

R200A

R106

C151

R105

C104

C109

C107

C105

C102

C100

R353A

R204

R302

R302

R303

C306

R308

R306

R47

R36

R69

R27

C16

C15

R14

R13

R2

R4

R6

R8

R10

R12

C5

R34

R33

C615

R627

R25

R60

R59

R68

R67

R62

R61

C22

C8

JC51

R609

JC26

E
B

EB

EB

EB

EB

EB

E
B

EB

E
B

E
B

E
B

EB

EB

E
B

E
B

E
B

E
B

B
E

B
E

B

E

E

B

3

4

1

2

D507

D506

D501

D402

D403

D404

D6

D5

D405

D608

D614

D8

D7

Q605

Q614

Q3

Q617

Q5

Q600

Q601

Q104

Q101

Q103

Q612

Q606

Q611

Q625

Q615

Q1

Q2

Q303

Q302

Q500

Q621

IC2

R401A

R401B

C400

R643

C624

R354B R354A

R305

C308

C307

R304

R616

R620

R618

C608

C604

JC39

R619

R617

R621

R356B

C206B

C206A

C352A

VR200B

ET1

VR200A

C352B

R355B

R357B

R356A

C353B

R355A

R357A

C353A

R603

R615

JC451

JC40

JC52

JC41

C300

JC38

JC42

JC56

JC55

JC54

JW18

JW16

JW15

JC43

C20

R626

C621

R634

C13

R641

C250

C153

C251

C252

R52

R53

C254

R51

R203

JC46

R205

RN3

RN2

R15

R22

R19

R18

R21

R17

R16

R1

R50

C207B

C18

C17

C504A

C505B

C505A

C504B

R65

R20

C502A

C503B

C503A

C502B

C500A

C501B

C501A

R501B

R501A

C500B

R500A

R500B

R300

R209

C213

R29

R35

R42

C7

R28

R24

R26

R11

R9

R7

R5

R3

C11

R57

R56

R55

R54

R58

C616

C14

C19

C4

C3

R64

R46

C625

C205B

R202B

R202A

C205A

C207A

R39

R40

C21

C618

JC44

RN400

L1

L100

L102

L105

L104

L106

L103

L300

L105

R629

L101

R625

R252

C402B

C612

C623

C610

C622

C1

C614

C403

C607

C605

C402A

C309

JW1

JW9

JW17

JW10

JW2

JW11

JW13

JW5

JW8

JW7

JW12

JW3

JW4

E B

E B

EB

EB

R604

R612

R614

R610

R251

R250

C255

C609

C12

R43

JC47

R254

R255

C507

R32

C506

L600

C600

C508

C509

C350A

C350B

C511

X150

RN1

RN150

RN7

RN6

C208

C204

C103

C106

C108

C101

C150

C152

C110

C351B

C351A

RN4

X2

X1

RN5

R607

C626

JC48

C9

JC6

1

1

11

10

2

13

25

14

1

14

28

15

1

1

1

25

1

24

3

1

13

1

1

4

24

3

1

1

6

4

5

2

2

2

1

9

2

5

3

7

4

8

6

12

10

11

13

8

16

18

17

9

7

1

8

16

9

8

1

1

1

5

4

2

10

11

20

21

30

31

40

30

80

51

50

31

81

100

14

BE

BE

EB

EB

EB

EB

EB

E B

E B

E B

BE

BE

BE

BE

BE

D400B

D401

MAIN UNIT

D400A

Q604 Q602

IC3

IC300

IC500

CN350

IC250

IC1

IC200

IC150

Q102

Q100

CN3

CN201

TU100

CN100

CN200

CN1

Q618

Q603

Q607

Q608

Q624

CN250

Q610

Q622

D603

D601

CN400

CN600

D613

D100

D605

D612

D250

D617

D251

D615

D607

D503B

D503A

D502B

D502A

D505A

D505B

D504A

D504B

D606

D610

D300

D604

D600

D350A

D350B

D351

D352A

D352B

Q350B

Q350A

Q351B

Q351A

Q616

Q300

Q620

Q301

A

B

D

F

H

J

C

E

G

I

2

1

3

5

7

4

6

Refer to the schematic diagram for the value of resistors and capacitors.

PC BOARD (Component side view)

8

7

R915

R900

C911

RN901

RN900

R901

R904

R920

R921

C909

12

2

13

1

R923

C900

R916

R917

R918

R932

R931

R914

R919

C906

C901

C902

C907

C903

C910

C908

C904

C905

R903

R905

R912

R911

R902

R913

R910

R925

R929

R926

R927

R928

R907

R908

R930

R906

R909

R922

13

0

31

50

51

80

81

100

B E

B E

B E

B E

B E

EB

IC900

CN900

D922

D921

Q905

Q901

Q902

Q900

Q903

Q904

PROG

EJECT

RST

AM

FM

3

2

4

1

SRC

DISP

AUD

6

5

4

3

2

1

1

68

35

36

ATT

VOL-

VOL+

AUTO

D919

D918

CONTROL UNIT

D904

IC901

D902

D907

D905

D910

D909

D908

D913

D912

D906

D903

S903

S927

S902

S910

S926

S908

S916

S901

S914

S900

S925

S922

S921

S920

S928

S923

S924

S906

S913

D911

D916

D914

D900

D923

D901

D915

S919

S918

S911

S912

S904

S904

LCD900

S905

S907

S909

S917

S929

S915

D917

S801

S800

1

4

CN800

SWITCH UNIT

MAIN UNIT

Ref.No.

Address

Ref.No.

Address

Ref.No.

Address

Ref.No.

Address

IC1

4E

Q100

3F

Q351B

2G

Q611

4B

IC2

4D

Q101

3F

Q500

3F

Q612

5D

IC3

3C

Q102

3F

Q600

2E

Q614

5D

IC150

4C

Q103

3F

Q601

2E

Q615

5D

IC200

4F

Q104

4G

Q602

3B

Q616

5C

IC250

4C

Q300

3D

Q603

3C

Q617

4C

IC300

3E

Q301

3E

Q604

3B

Q618

5C

IC500

1E

Q302

3E

Q605

3C

Q620

4B

Q1

4C

Q303

3E

Q606

3B

Q621

5A

Q2

4D

Q350A

2F

Q607

3D

Q622

5B

Q3

5D

Q350B

2F

Q608

3D

Q624

5A

Q5

5E

Q351A

2G

Q610

4B

Q625

5B

Summary of Contents for KRC-608

Page 1: ...195 08 Panel assy A64 2087 08 Lever D10 4514 08 Mounting hardware assy J21 9585 08 DC cord assy E30 4860 08 KRC 608 only Plastic cabinet assy A02 1494 08 The CASSETTE MECHANISM OPERATION DESCRIPTION is the same model D40 1122 05 Please refer to the service manual for model D40 1122 05 B51 7452 00 Stay J54 0611 08 KRC 608 only Escutcheon B07 2186 08 KRC 608 only Screw set N99 1689 08 KRC 608 only S...

Page 2: ...RC 678R RY KRC 678R RY KRC 788 USED USED KRC 788 678R RY 678RV RYV 608 USED E KRC 678R RY RV RYV KRC 608 K KRC 788 M CD CH CASS FM K M AM K M 310mV 1200mV FM K M 400Hz 75KHz Dev CASS 1KHz 0dB AM 400Hz 30 Mod FM E 400Hz 40KHz Dev CD CH 1KHz 0dB CD CH CASS AM K M FM K M N F CASS AM E AM K M FM E FM K M CD CH E K M E K M FM K M CASS FM E AM K M AM E CD CH FRONT REAR CD CH CASS AM E AM K M FM E FM K M...

Page 3: ... Internal power control ON HI OFF LO 21 P37 ILL_ON O LED lighting control output Lighting ON Hi Lighting OFF Lo 22 TEST IC test pin 23 P90 IC2_SDA I O E VOL E s data input output 24 P91 IC2_SCK O E VOL E clock output 25 P92 MUTE O Muting control Muting ON Hi Muting OFF Lo 26 P93 SW5V O SW 5 V control ON LO OFF HI 27 P94 F E_DATA I O IC3 data input output 28 P95 F E CLK O IC 3 clock output 29 P120 ...

Page 4: ...ed 72 P24 BUZ BEEP O Beep output 73 P25 SI0 NC O Not used 74 P26 SO0 PNL_DET1 I Panel detection 75 P27 SCK0 NC O Not used 76 P80 A0 LCD_INH O Reset output to LCD driver 77 P81 A1 LCD_CE O CE output to LCD driver 78 P82 A2 SRT_SW1 I SRT position detection input 79 P83 A3 SRT_SW2 I SRT position detection input 80 P84 A4 NC O Not used 81 P85 A5 NC O Not used 82 P86 A6 NC O Not used 83 P87 A7 C MSC O ...

Page 5: ...type only 1 Enter the test mode See 1 How to enter the test mode 2 Press the SRC key to set All OFF 3 Press and hold the AUDIO key for 1 second to enter menu mode 4 Press the FM AM key to select SECURITY 5 Press and hold the Track Up Down for 2 seconds 6 Enter the code by pressing the Preset 1 2 3 and 4 keys Example To enter 3510 Press the Preset 1 key 4 times Press the Preset 2 key 6 times Press ...

Page 6: ...crew Adjust the azimuth for each Lch Rch or FWD RVS becomes maximum 2 PLAY BACK LEVEL TCC 130 Connect a AC voltmeter to CN200 TAPE PLAY VR200A L VR200B R 300mV a F E CASSETTE MECHANISM VR200B VR200A Rch Lch CN200 L G R a 300mV AC voltmeter ATTENTION OF ASSEMBLY Assembly of FPC Flexible PC board onto Roller ass y Turn Roller ass y by 4 times Hook the end of Roller ass y to the tongue Insert the FPC...

Page 7: ...R612 R614 R610 R251 R250 C255 C609 C12 R43 JC47 R254 R255 C507 R32 C506 L600 C600 C508 C509 C350A C350B C511 X150 RN1 RN150 RN7 RN6 C208 C204 C103 C106 C108 C101 C150 C152 C110 C351B C351A RN4 X2 X1 RN5 R607 C626 JC48 C9 JC6 1 1 11 10 2 13 25 14 1 14 28 15 1 1 1 25 1 24 3 1 13 1 1 4 24 3 1 1 6 4 5 2 2 2 1 9 2 5 3 7 4 8 6 12 10 11 13 8 16 18 17 9 7 1 8 16 9 8 1 1 1 5 4 2 10 11 20 21 30 31 40 30 80 ...

Page 8: ...55A R357A C353A R603 R615 JC451 JC40 JC52 JC41 C300 JC38 JC42 JC56 JC55 JC54 JW18 JW16 JW15 JC43 C20 R626 C621 R634 C13 R641 C250 C153 C251 C252 R52 R53 C254 R51 R203 JC46 R205 RN3 RN2 R15 R22 R19 R18 R21 R17 R16 R1 R50 C207B C18 C17 C504A C505B C505A C504B R65 R20 C502A C503B C503A C502B C500A C501B C501A R501B R501A C500B R500A R500B R300 R209 C213 R29 R35 R42 C7 R28 R24 R26 R11 R9 R7 R5 R3 C11 ...

Page 9: ...7B 10K VR200B 22u16 C204 R208 100K R207 68K R206 5 6K C210 4700P C209 0 47 C211 0 022 C212 10 R205 10K 88 83 84 87 85 86 C205A 0 01 R202A 180 VR200A 10K C206A 0 1u50 R210A 6 8K 3 3K R211A C208 22u16 1000P C214A C207A 0 1 R204 10 F REEL R REEL ANODE S MOTOR MODE1 MODE3 SW5V MODE2 M MOTOR S MOTOR GND 1 2 3 4 5 6 7 8 9 10 11 1 2 3 4 5 R201A 100K C201A 470P C200A 470P R200A 100K C201B 470P R201B 100K ...

Page 10: ... 0 47 C505B 1K R506 100u16 C511 27K R508 470 TH500 11 12 14 10 750 R504 430 R505 RL RR RL RR FR FL FL FR 7 6 5 4 14 20 6 FR 4 5 FR P ANT 15 ILL B U 16 AMP CONT MUTE 13 14 2 3 P CON ACC 1 GND RR RR 11 12 RL 10 3 1 15 16 4 2 7 5 12 11 8 10 6 FUSE 18 17 FUSE RL FL FL 7 8 9 9 13 14 17 18 CHOKE COIL L600 Q622 625 Q621 624 Q618 620 Q616 617 Q614 615 Q610 611 784217AGF504 IC1 IC200 CXA2560Q KRC 678R RY U...

Page 11: ...G49 SEG50 SEG51 SEG52 SEG53 SEG54 SEG55 SEG56 SEG57 SEG58 SEG59 SEG60 N C S36 S40 S60 S59 S31 S32 S33 20 SEG8 SEG2 SEG1 1 2 SEG5 SEG3 SEG4 4 3 5 SEG6 SEG7 7 6 8 14 SEG11 SEG9 SEG10 10 9 11 SEG12 SEG13 12 13 17 SEG14 SEG15 SEG16 15 16 SEG17 SEG18 SEG19 18 19 32 26 23 SEG20 SEG21 SEG22 21 22 SEG25 SEG23 SEG24 24 25 29 SEG26 SEG27 SEG28 27 28 SEG41 SEG29 SEG30 30 31 SEG44 SEG42 SEG43 33 34 50 COM1 CO...

Page 12: ... 67 10 11 1 31 30 9 9 HD1 17 15 4 22 12 12 20 5 6 7 26 48 48 49 27 94 90 94 D40 1141 08 M M M M D N G H C C F B E E E B G H N D Ax2 Ax2 K J J 1 2 3 A B Parts with exploded view numbers larger than 700 are not supplied KRC 608 678R RY RV RYV EXPLODED VIEW 17 KR ...

Page 13: ...8 2018 45 N39 2025 46 N09 4387 08 N80 2008 45 N09 4388 08 3x5 M2 6x5 M3x6 3x6 M3x8 3x12 M2x3 BLK M2x1 8 BLK M2x2 5 M2x2 5 NI 2x8 BLK 1 7x5 N P Q R S N35 3004 45 N35 2004 45 N19 2148 08 N19 2149 08 N29 0518 08 3x4 2x4 BLK WASHER WASHER E RING 201 274 262 275 258 212 DC1 222x2 CME1 CN600 L600 F 1 CN100 CN350 TU100 284 MAIN MAIN S801 S800 SW PWB UNIT SW 703 777 216 271 270 265 242 268 264 269 PA1 215...

Page 14: ...2 08 KNOB OPEN B64 1635 00 INST MANUAL ENGLISH E0E1E2 266 3C K24 3630 08 KNOB RELEASE B64 1635 00 INST MANUAL ENGLISH E3 267 3C K25 1152 08 KNOB VOL 268 3C K25 1153 08 KNOB PROG PAUSE EJECT B64 1636 00 INST MANUAL FRE GER DUT E0E2 B64 1637 00 INST MANUAL ITA SPA POR E0E2 269 3C K25 1154 08 KNOB PRESET B64 1638 00 INST MANUAL RUS POL CZE 270 3C K25 1155 08 KNOB AUD AUTO DISP B64 1639 00 INST MANUAL...

Page 15: ... C152 C90 2597 05 ELECTRO 10UF 16WV E3 C607 CE04CW1H0R1M ELECTRO 0 1UF 50WV C153 CK73GB1H103K CHIP C 0 010UF K C608 CK73FB1H223K CHIP C 0 022UF K C154 155 CC73FCH1H100D CHIP C 10PF D E0E1E2 C609 CK73FB1H103K CHIP C 0 010UF K E0E1E2 C154 155 CC73FCH1H100D CHIP C 10PF D E3 C609 CK73FB1H103K CHIP C 0 010UF K E3 C200A B CC73FCH1H471J CHIP C 470PF J C610 CE04LW1C221M ELECTRO 220UF 16WV C201A B CC73FCH1...

Page 16: ...K73FB2A102J CHIP R 1 0K J 1 10W E0E1E2 JC39 R92 2052 05 CHIP R 0 J 1 10W R105 RK73FB2A102J CHIP R 1 0K J 1 10W E3 JC40 43 R92 2053 05 CHIP R 0 J 1 8W R106 RK73FB2A472J CHIP R 4 7K J 1 10W E0E1E2 R106 RK73FB2A472J CHIP R 4 7K J 1 10W E3 JC44 R92 2052 05 CHIP R 0 J 1 10W JC45 R92 2053 05 CHIP R 0 J 1 8W R15 17 RK73FB2A103J CHIP R 10K J 1 10W JC46 R92 2052 05 CHIP R 0 J 1 10W R200A B RK73FB2A104J CHI...

Page 17: ...2A751J CHIP R 750 J 1 10W R505 RK73FB2A431J CHIP R 430 J 1 10W D5 8 MA4062 N M ZENER DIODE R506 RK73FB2A102J CHIP R 1 0K J 1 10W D100 MA4051 N M ZENER DIODE D250 11ES2C DIODE R508 RK73FB2A273J CHIP R 27K J 1 10W D251 UDZ3 6B ZENER DIODE R509 RK73FB2A101J CHIP R 100 J 1 10W D300 1SS355 DIODE R51 52 RK73FB2A102J CHIP R 1 0K J 1 10W R54 55 RK73FB2A471J CHIP R 470 J 1 10W D350A B STZ6 2Z ZENER DIODE R...

Page 18: ...ISTOR 295 3C E29 1818 08 CONDUCTIVE RUBBER Q500 DTC114YUA DIGITAL TRANSISTOR CN900 E59 0833 05 CONNECTOR 13P TDF Q600 601 2SC4081 TRANSISTOR Q602 2SA1703 AN TRANSISTOR K0 R900 901 RK73GB1J101J CHIP R 100 J 1 16W Q603 DTC114YUA DIGITAL TRANSISTOR K0 R902 903 RK73GB1J102J CHIP R 1 0K J 1 16W Q604 2SA1703 AN TRANSISTOR R904 906 RK73GB1J101J CHIP R 100 J 1 16W R907 908 RK73GB1J472J CHIP R 4 7K J 1 16W...

Page 19: ...SPRING SA 34 2B D10 4384 08 ARM SW 45 2A J11 0632 08 CLAMPER 48 3B D01 0613 08 FLYWHEEL ASSY 49 3B D16 0616 08 BELT 52 1B D10 4385 08 ARM CASSETTE LIFTER B 53 1B J19 4953 08 CASSETTE HOLDER 54 1A G11 1861 08 CUSHION 56 1B D10 4386 08 ARM ASSY 57 1B G01 2962 08 TENSION COIL SPRING 58 1B D10 4387 08 SLIDER 65 2A B09 0522 08 REEL CAP 66 2A G01 2963 08 COMPRESSION SPRING 67 2A D03 0314 08 REEL GEAR AS...

Page 20: ...z AM Channel Space Selection 9k 10kHz Usable Sensitivity 28dBµ 25µV S N 20dB Tape Speed 4 76cm sec Wow Flutter 0 08 WRMS FREQ Response CASSETTE 3 0dB 30 18kHz 70µs Separation 43dB 1kHz S N dB Dolby NR off 57dB Dolby BNR on 65dB Dolby CNR on Preout Level mV Load 1800mV 10kΩ CD CD CH Preout Impedance Ω 600Ω Maximum Power 45Wx4 AMPLIFIER Full Bandwidth Power 22Wx4 at less than 1 THD TONE Bass 100Hz 1...

Page 21: ...NICS GULF FZE P O Box 61318 Jebel Ali Dubai U A E KENWOOD ELECTRONICS THAILAND CO LTD 2019 New Pechburi Road Bangkapi Huaykwang Bangkok 10320 Thailand KENWOOD ELECTRONICS SINGAPORE PTE LTD 1 Genting Lane 07 00 Kenwood Building Singapore 349544 KENWOOD ELECTRONICS MALAYSIA SDN BHD 4 01 Level 4 Wisma Academy Lot 4A Jalan 19 1 46300 Petaling Jaya Selangor Darul Ehsan Malaysia KRC 678R RY KRC 678RV RY...

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