background image

DV-4050-B/DVF-R6030-B

2

CONTENTS / ACCESSORIES

CONTENTS / ACCESSORIES .................................. 2
DISASSEMBLY FOR REPAIR....................................3
ADJUSTMENT ............................................................5

PC BOARD..................................................................7

.

SCHEMATIC DIAGRAM ............................................ 9
EXPLODED VIEW ....................................................15
PARTS LIST..............................................................17
SPECIFICATIONS ....................................................

20

Contents

Accessories

Remote control (1)
(A70-1420-05)

Battery cover(A09-1213-08)

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-4900/DV-4700/DVF-R6030/DVF-R9030 Service Manual(B51-5665-00).

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...

Reviews: