background image

A

C

E

G

I

B

D

F

H

J

2

1

3

5

7

4

6

D13

D14

D12

D7

D6

D8

D10

D9

IC2

IC1

R96

W77

W78

W79

R89

R47

R48

W65

R49

R51

R40

R41

R39

R44

R42

R43

R52

C2

C3

C1

R54

100

76

26

50

1

18

10

1

9

25

75

51

R53

R56

C4

C5

C7

C22

C21 C23

R4

R5

C17

C16 C18 C20

C19

R3

C31

C32

C30

C27

C29

R1

R2

C24 C26

C25

C15

R30

R31

R29

R27

R28

R32

R36

R37

R35

R33

R34

C9

C1

1

C14

C13

C8

R26

R25

R23

R24

R73

C38

W62

W60

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C39

W55

C40

R74

C41

W54

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R86

W58

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W67

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C10

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W70

W70

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W76

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W72

R50

W50

W51

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W48

R79

R95

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R87

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W59

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R88

R90

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R94

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R67

R66

R64

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L4

C33

R71

C34

R72
C35

C36

R82

R84

R21

R12

R83

C200

C26

C21

C29

C24

C22

C27

R19

R18

C136

C102

C151

C150

C101

C1

C6

C31

R77

C201

R200

R201

C202

R202

W194

W195

R57

R90

R58

R91

C13

C15

W10

W2

R50

R51

R48

R49

R54

R55

R52

R53

R47

R41

R42

R36

R40

R45

R46

R43

R44

R71

R72

R69

R70

R75

R76

R73

R74

R68

R62

R63

R56

R61

R66

R67

R65

R13

R14

R1

1

R12

R10

R4

R5

R2

R3

R8

R9

R6

R7

R30

R31

R28

R29

R34

R35

R32

R33

R27

R21

R22

R25

R26

R23

R24

R78

R135

R136

R172

R134

R140

R137

R173

R126

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R125

R130

R131

R128

R129

R160

R157

R163

R164

R156

R150

R151

R141

R154

R155

R152

R153

R101

R102

R88

R89

R105

R106

R103

R104

R87

R81

R82

R79

R80

R85

R86

R83

R84

R1

16

W199

W143

R120

R121

R1

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R109

R110

R107

R108

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14

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111

R1

12

R1

W77

W101

W167

L2

L3

L7

L8

L6

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C138

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C7

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C3

C34

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C1

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C8

C42

C43

W63

C47

C44

C36

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C9

C37

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C12

C38

C105

C33

C104

C108

C107

C106

C103

C32

C48

C39

C117

C134

W88

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W131

C132

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W65

C1

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W69

C45

C129

C40

W98

W92

W23

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W22

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W151

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W78

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1

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24

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E

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B

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B

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B

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B

E

B

E

B

E

B

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B

E

B

E

B

E

B

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B

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B

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B

E

B

E

B

E

B

E

B

E

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E

B

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B

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E

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B

E

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E

B

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B

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B

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B

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B

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B

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B

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E

7

1

8

3

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14

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E

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E

B

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1

4

22

21

2

1

14

13

2

1

5

8

4

1

5

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4

1

1

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E

B

E

B

E

E

B

E

B

E

B

E

B

7

14

8

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12

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14

2

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I

3

2

54 51

50

38

21

5

3

1

25

1

2

24

2

4

5

4

2

E

B

E

B

3

2

W5

W7

W39

W3

W4

W1

1

W12

W14

W16

W19

W42

W18

W8

W26

W21

W60

W110

W41

W48

W6

W196

W107

W191

W165

W169

W164

W163

W185

W9

W184

W174

W176

W180

W148

W133

W142

W201

W182

W135

W202

W177

W144

W145

W170

W171

W181

W187

W192

W188

W141

W189

W200

W186

W179

W168

W162

W57

W74

R170

R171

W193

R38

R39

W46

W61

W70

W27

(C)

(Cr)

(Cb)

(Y)

C121

R117

C119

C120

R118

C113

R123

C148

C146

C149

C147

C122

C114

C125

R127

R133

R132

R138

R139

C128

R142

R165

VR1

VR4

VR3

VR2

R60

R59

R92

C14

R64

Q1

D11

X14-7170-10 A/3 (J70-1427-11)

E1

IC3

A1

Q3

Q2

E2

WH1

WH1

WH2

D16

X14 C/3

X14 B/3

WH2

CN1

E3

S4

D1

S5

S1

S2

S3

S6

S11

S10

S7

S8

S9

D2

D3

D4

D5

E4

S13

D15

S12

E5

O

G

I

B

E

ST
ANDBY

8MHz

R13

R15

R14

R7

R6

R8

R9

R16

R19

R18

R17

R57

R22

W10

L1

C12

C28

C6

W29

W34

W22

W23

W35

W32

W33

W30

W31

W28

W38

W27

W20

W18

W16

W8

W9

W13

W15

W36

W37

W41

W43

W44

W42

W45

W46

W47

W40

W39

W24

W25

W21

W12

W6

W14

W7

W5

W1

W4

W3

W2

R68

W1

1

R65

W26

VIRTUAL

DISC3

DISC1

DISC5

DISC4

DISC2

DISC SKIP

POWER

SHOWER

C37

C42

X1

R20

ED1

R10

D5

Q200

D4

D6

D3

D2

D1

IC6

D17

D201

D200

Q34

Q35

Q1

16

Q

111

Q18

Q15

Q19

Q21

Q20

Q1

1

Q4

Q1

Q5

Q10

Q7

Q101

Q103

Q1

12

Q100

Q25

Q22

Q29

Q31

Q30

Q1

17

Q118

D9

D12

D14

D13

D1

1

J3

IC1

IC2

Q17

Q16

Q23

Q106

Q105

Q2

Q9

Q12

Q8

Q3

Q6

Q27

Q24

Q26

Q109

Q28

Q108

IC4

J5

J1

A1

IC7

Q1

14

Q1

13

Q1

15

Q32

X25-6380-10 (J70-1428-11)

IC8

IC9

Q201

D10

WH1

CN3

CN2

CN5

J2

D16

CN4

J6

CN1

J4

WH2

D15

WH3

Q102

IC5

E2

Q104

Q107

Q110

Q33

E1

SUB

WOOFER

2

LINE OUTPUT

1

VIDEO

OUTPUT

Cr

Cb

COMPONENT
VIDEO OUTPUT

Y

S VIDEO OUTPUT

OPTICAL

DIGITAL OUTPUT

COAXIAL

L12

L13

L11

L9

L10

L17

L18

L14

L15

L3

L4

L1

L2

L7

L8

L5

L6

C1

L16

LD

+2

LDON

+5

FE1

TE3

TE1

+5

SRF

Vref

+5

T-

T+

F+

1

21

21

1

F-

FE2

TE2

TE4

CN1

CN2

X13-7770-10 (J70-1426-12)

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

PC BOARD

(

Component side view

)

7

8

Summary of Contents for DV-4050-B

Page 1: ...ERVICE MANUAL 2000 9 B51 5661 00 K K 1399 STANDBY ON STANDBY STANDBY ON STANDBY POWER D I S C 5changer DISC SKIP DISC 1 DISC 2 DISC 3 DISC 4 DISC 5 OPEN CLOSE 0 3 8 7 VIRTUAL SURROUND 4 COAXIAL OPTICAL DIGITAL OUTPUT PCM BIT STREAM OUTPUT COMPONENT VIDEO OUTPUT SUB WOOFER Y Cb Cr S VIDEO L 1 2 R 2 OUTPUT LINE OUTPUT VIDEO 1 Knob K29 7823 13 Knob K29 7804 13 Knob K29 7801 13 Metallic cabinet A01 37...

Page 2: ...08 Batteries 2 for remote control Audio cable 1 E30 0505 05 Video cable 1 E30 1427 05 Optical digital audio cable 1 B19 1529 05 Note Please contact our KENWOOD Service Department in your side if you want the information Microprocessor MN101C35D ports explanation and full previous format parts list on this model You can be available them by internet from us Note Test Mode in detail is written in DV...

Page 3: ...o frontwards where the hook of tray meets with guide 3 Push hooks both sides inwards and release them from guides 4 Pull hooks of tray outwards and remove the tray upwards 2 How to Assemble Tray 1 Adjust the position of drive gear as figure Check traverse unit is at the lowest position 2 Load the tray on the loading mechanism Check the position where the loading gear A is free 3 Meet the hooks wit...

Page 4: ...Turn the power on with pressing the DISC 1 key Display shows INSPECTION test mode 2 Press the DISC1 key in playback mode again Display shows Jitter 3 Turn off if cancel test mode 2 4 2 1 3 Tray guide Guider L Protruding part 5 5 5 6 6 6 X13 7770 10 CN1 CN2 Clamper weight Spacer Magnet Clamper 3 How to Remove Clamper Ass y 1 Remove screws 4 How to Disassemble Clamper Ass y REAR Tilt adjustment scre...

Page 5: ...open close for changer mechanism 23 PA7 Unused 24 VREF A D reference voltage 25 TM O Control port of tray motor 26 RESET I Reset signal input 27 RM O Control port of tray motor 28 TRM O Control port of tray motor 29 MECHA VR O Control port of tray motor 30 POWER O Control port of power supply 31 POWER MUTE O Power on off control 32 P15 Unused 33 REMOCON I Input port of remote control signal 34 35 ...

Page 6: ...V 14mV FIG 2 3 Cb LEVEL 100 COLOR BAR DISC Connect the oscilloscope to Cb output with 75 ohms resistor VR3 Cb signal 648mV 14mV FIG 3 4 Cr LEVEL 100 COLOR BAR DISC Connect the oscilloscope to Cr output with 75 ohms resistor VR4 Cr signal 648mV 14mV FIG 4 1000mV 30mV Y 4 7µs 2 86 0 714 100IRE mV white yellow cyan green magenta red blue black 714 641 516 443 324 252 127 54 285mV 14mV 120 IRE Peak wh...

Page 7: ...150 W156 W152 W175 W178 W130 W140 W149 W172 W183 W120 W123 W166 W155 W160 W198 W116 W45 W147 W13 W1 1 25 24 1 2 13 1 6 B E E B E B E B E B E B E B E B E B E B E B E B E B E B E B E B E B E B E B E B E B E B E B E B B E B E B I G O G I O E B E B E B E B E B E B E B E B E B E B E B E B E B E B E 7 1 8 3 1 14 B E B E B E B E B E 1 4 22 21 2 1 14 13 2 1 5 8 4 1 5 8 4 1 1 B E B E B E E B E B E B E B 7 ...

Page 8: ...P GND LH LH LOAD TURN DIREC 8 5V VREF P GND 8 5V LED SPEED POSITION D GND 6 5 4 3 2 1 LH LH LED UP DOWN DGND OPEN 10 9 8 7 6 5 4 3 2 1 6 5 4 3 2 1 6 5 4 3 2 1 3 2 1 3 2 1 21 22 20 19 18 17 12 16 15 14 13 11 10 9 8 7 6 5 4 1 3 2 8 1 2 3 6 4 5 7 12 9 10 11 13 14 Q102 104 Q117 Q23 25 Q22 Q33 Q16 18 Q7 Q35 Q1 5 Q6 IC1 IC2 IC4 Q118 Q200 Q113 114 Q115 116 Q100 DIGITAL 8 5V 8 5V B 5 5V 5 5V 12V 5 5V 5 5V...

Page 9: ...Q110 Q107 2 VIDEO 1 VIDEO J4 A1 J5 3 Cr 2 Cb 1 Y J6 Q30 Q31 Q28 Q29 Q27 D13 D14 BOTTOM VIEW Q111 Q112 Q103 Q101 Q104 Q21 Q20 Q19 Q18 OUT OUT OPT Q10 Q12 Q11 1 S VIDEO C Y B LINE B LINE GND LINE SIGNAL LINE DIGITAL LINE IC1 2 NJM4580D IC4 TC74HC08AP IC5 PQ7RV4 IC6 PST9121 IC7 TC74HCT04AP Q1 5 7 11 15 19 22 29 112 2SA933AS Q R Q2 3 6 8 9 12 16 17 23 24 26 28 2SC1923 R O Q4 10 18 20 21 25 30 35 118 2...

Page 10: ...4 12K R15 68K 820 1 5K 33K 22K 820 44 120 120 R89 R88 16 17 120 120 R87 R86 15 14 14 15 16 17 R17 R16 R18 R20 R19 R21 C41 C42 330 R57 6 4 7 5 R56 4 7K 99 R74 C40 2 4 5 3 1 1 1 3 2 3 2 330 3 3K R66 4 7K R67 R68 330 R65 44 1K R22 C13 15P C14 33P R44 R42 R43 10K R41 1K B B B B B B B B B B B B B B B B B B B B B B B R76 4 7K R64 50 F F 2 1 3 15 9 80 77 78 79 6 P1 4 5 P4 P3 P2 7 8 74 75 76 71 72 73 12 P...

Page 11: ...Ax2 A 1 1 1 A F D D S A B C S N89 3010 45 N09 5214 05 N82 2006 46 N35 2604 46 3x10 BLK 2x6 DV 4050 DV 4900 762 705 795 756 741 X13 7770 10 17P 757 758 666 672 631 640 14P 638 21P 639 672 658 675 630 621 607 692 1 2 A C B Parts with exploded numbers larger than 700 are not supplied ...

Page 12: ... 5 OPEN CLOSE S11 S 9 S10 S 1 S 2 S 3 X14 B 3 POWER DISC SKIP S13 S12 Mx2 Mx2 Mx2 Mx2 M 793x2 Kx2 Mx2 Lx6 Lx2 Lx2 Lx3 Gx3 Nx2 Rx2 Nx2 Mx3 Mx2 Mx3 Mx3 Mx2 Mx4 747 748 755 746 750 710 703 745 767 768 761 760 706 796 601 609 611 635 636 620 665x2 665x2 674 643 637 671 673 691 619 642 659 683 617 680 681 616 618 682 658 658 608 615 M M M P L L L L L N N N N J N N N J J P 1 1 1 1 M M M N N N 25P 642 25...

Page 13: ...alia Q Russia H Korea M Other Areas indicates safety critical components Ref No Add ress New Parts Parts No Description Desti nation Re marks 601 1D A01 3776 01 METALLIC CABINET 607 2A A29 1113 22 PANEL TRAY K 607 2A A29 1114 22 PANEL TRAY Y 608 2D A60 1848 12 PANEL K 608 2D A60 1849 12 PANEL Y 609 1D A70 1420 05 REMOTE CONTROLLER ASSY 611 1D A09 1213 08 BATTERY COVER 615 2D B10 3610 02 FRONT GLAS...

Page 14: ...st Hawaii T England E Europe G Germany V China Shanghai Y AAFES Europe X Australia Q Russia H Korea M Other Areas indicates safety critical components Ref No Add ress New Parts Parts No Description Desti nation Re marks R23 25 RK73GB1J103J CHIP R 10K J 1 16W R26 RK73GB1J223J CHIP R 22K J 1 16W R27 RK73GB1J221J CHIP R 220 J 1 16W R28 RK73GB1J472J CHIP R 4 7K J 1 16W R29 30 RK73GB1J221J CHIP R 220 J...

Page 15: ...100D CERAMIC 10PF D C132 CQ93FMG1H122J MYLAR 1200PF J C133 CE04KW1E470M ELECTRO 47UF 25WV C134 CK45FF1H103Z CERAMIC 0 010UF Z C135 CC45FSL1H050C CERAMIC 5 0PF C C136 CE04KW1A221M ELECTRO 220UF 10WV C138 CF92FV1H334J MF C 0 33UF J C140 CE04KW1V470M ELECTRO 47UF 35WV C141 CQ93FMG1H392J MYLAR 3900PF J C144 145 CQ93FMG1H392J MYLAR 3900PF J C146 CC45FSL1H270J CERAMIC 27PF J C147 148 CC45FSL1H220J CERAM...

Page 16: ...eo Section Video output format NTSC Composite video output level 1 Vp p 75 Ω load sync negative S video output level Y signal 1 Vp p 75 Ω load sync negative C signal 0 286 Vp p 75 Ω Component video output level Y signal 1 Vp p 75 Ω Cb signal 0 648 Vp p 75 Ω Cr signal 0 648 Vp p 75 Ω Horizontal resolution More than 500 lines Video signal to noise ratio More than 65 dB Laser Wave length 660 nm 676 n...

Page 17: ...ALIA S p A Via G Sirtori 7 9 20129 Milano ltaly KENWOOD IBÉRICA S A Bolivia 239 08020 Barcelona Spain KENWOOD ELECTRONICS AUSTRALIA PTY LTD A C N 001 499 074 16 Giffnock Avenue North Ryde N S W 2113 Australia KENWOOD ELECTRONICS HONG KONG LTD Unit3712 3724 Level37 Tower1 Metroplaza 223HingFongRoad KwaiFongN T HongKong KENWOOD ELECTRONICS GULF FZE P O Box 61318 Jebel Ali Dubai U A E KENWOOD ELECTRO...

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