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DVD / CD PLAYER

DV-502/503/DVF-3050

DVF-3050-S/3550/3550-S

SERVICE MANUAL

© 2001-5/B51-5731-00 (K/K) 3470

70%

In compliance with Federal Regulations,  following are repro-
duction of labels on, or inside the porduct relating to laser
product safety.

KENWOOD-Crop. certifies this equipment conforms to DHHS
Regulations No.21 CFR 1040. 10, Chapter 1, subchapter J.

DANGER : Laser radiation when open and interlock
defeated. 
AVOID DIRECT EXPOSURE TO BEAM.

Caution

: No connection of ground line if disassemble 

the unit.  Please connect the ground line on

rear panel, PCBs, Chassis and some others.

*

Refer to parts list on page 18 .  

Front Panel  

*

(A60-)

AUDIO OUTPUT

COMPONENT

VIDEO OUTPUT

VIDEO OUTPUT

S-VIDEO

DIGITAL OUTPUT
(PCM/BIT STREAM)

OPTICAL COAXIAL

L

R

Cr

Cb

Y

Window 

*

(B10)

AC power cord bushing  
(J42-0350-08)

Button(PLAY) 

*

(K27-)

Button(SKIP) 

*

(K27-)

Button 

*

(K27-)

Button(POWER) 

*

(K27-)

Top cover 

*

(A01-)

AC power cord  

*

(E30-)

RCA jack  
(E63-1227-08)

RCA jack  
(E63-1226-08)

RCA jack 

*

(E63-)

RCA jack  
(E63-1191-08)

Summary of Contents for DV-502

Page 1: ...hen open and interlock defeated AVOID DIRECT EXPOSURE TO BEAM Caution No connection of ground line if disassemble the unit Please connect the ground line on rear panel PCBs Chassis and some others Refer to parts list on page 18 Front Panel A60 AUDIO OUTPUT COMPONENT VIDEO OUTPUT VIDEO OUTPUT S VIDEO DIGITAL OUTPUT PCM BIT STREAM OPTICAL COAXIAL L R Cr Cb Y Window B10 AC power cord bushing J42 0350...

Page 2: ...per ate erroneous display etc when the power cord is unplugged while power is ON or due to an external factor In this case exe cute the following procedure to reset the microprocessor and return it to normal condition 1 In POWER ON condition keep the 7 STOP key and the Search key pressed at the same time 2 When both keys are pressed the region code of the unit the software version etc will be disp...

Page 3: ...sc on the tray The marking is located on the rear panel and says that the component uses laser beams that have been clas sified as Class 1 It means that the unit is utilizing laser beams that are of a weaker class There is no danger of hazardous radiation outside the unit CLASS 1 LASER PRODUCT The marking of products using lasers Except for some areas CAUTIONS ...

Page 4: ...M1748E CLK AUDIO MUTE CVBS OUT Y OUT R Cr OUT C OUT B Cb OUT G Y OUT 9 10 8 6 7 SPDIF PIXCLK 27MHz SCL SDA VIDEO MUTE VFD CLK DATA IRQ2 POWER CTL L AUDIO R AUDIO GND BLUE OUT GREEN OUT RED OUT CVBS OUT L CH OUT R CH OUT IC201 STI5519 FLASH MEMORY IC401 8MBIT M29F400T 90N1 HY57V651610BLTC 8 SDRAM 64MBIT IC301 F E MECHA TVM MECHA SMPS IC901 UPD16311 DAC PCM1748E L P F BA4560 IC802 A A MIXED MUTE VID...

Page 5: ...AWER POSITION 193 PIO0 7 SLIDER IN DRAWER CCW CTRL I O PIO0 7 194 PIO1 0 SDA I O PIO1 0 SSC0 data MTSR out MRST in 195 PIO1 1 SCL I O PIO1 1 SSC0 clock 196 PIO1 2 SLIDER OUT DRAWER CW CTRL I O PIO1 2 PARA DVALID 197 PIO1 3 TXD JIG I O PIO1 3 UART2 TXD 200 PIO1 4 RXD JIG I O PIO1 4 UART2 RXD 201 PIO1 5 FRONT TXDI I O PIO1 5 PARA SYNC UART1 RXD 202 TRIGGER IN I O Trigger in for DCU 203 TRIGGER OUT I...

Page 6: ...BLE 129 CPU BE 1 O BYTE 1 ENABLE 139 CPU CAS0 O DRAM CAS0 140 CPU CAS1 O DRAM 135 CPU CE 0 O DRAM RAS0 134 CPU CE 1 O Chip Sel BANK1 133 CPU CE 2 O Chip Sel BANK2 132 CPU CE 3 O Chip Sel BANK3 118 CPU PDR CLK O SDRAM clock 117 CPU OE I O Output enable Interrupt 127 IRQ 0 I Unused 126 IRQ 1 I Unused 125 IRQ 2 I IRQ 2 MD IRQ Timers 116 PWM0 I O Unused HSYNC 115 PWM1 I O Pulse width modula o Boot fro...

Page 7: ... 5 2 5V Power supply 171 198 5 15 38 50 65 83 96 108 121 137 VSS GND 150 160 172 185 199 Pin No Pin Name I O Description 6 DIN I Inputs serial data at rising edge of shift clock starting from lower bit 5 DOUT O Output serial data at falling edge of shift clock starting from lower bit This is N ch open drain output pin 9 STB Strobe pin 8 CLK I Reads serial data at rising edge and output data at fal...

Page 8: ...ates among power down suspend or self refresh 19 CS Enables or disables all inputs except CLK CKE and DQM 20 21 BA0 BA1 Selects bank to be activated during RAS activity Selects bank to be read written during CAS activity 23 26 A0 A11 Row address RA0 RA11 Column address CA0 CA7 29 35 Auto precharge flag A10 18 WE CAS RAS WE CAS and RAS define the operation 15 39 LDQM UDQM I O Controls output buffer...

Page 9: ...37 VCC Supply Voltage 27 46 VSS Ground Pin No Pin Name I O Description 1 3 5 9 A0 to A5 I Data Inputs 11 13 2 4 6 8 Q0 to Q5 O Data Outputs 10 12 7 GND Ground 14 VCC Positive Supply Voltage Truth Table A Q L H H L 2 6 Flash Memory M29W800AT IC401 2 4 DC Motor Driver KA8082 ICM21 Pin No Pin Name I O Description 1 GND Ground 2 VO1 O Output 1 3 VCTL I Motor speed control 4 VIN1 I Input 1 5 VIN2 I Inp...

Page 10: ...ONLY CP802 CP204 JK701 Cr Cb Y CN2 POWER SW VIDEO OUTPUT VIDEO OUTPUT COMPONENT DIGITAL OUT MCN1 MSW1 AUDIO OUTPUT MAIN BOARD MECHA F E BOARD OUTPUT BOARD SCART BOARD POWER SUPPLY SMPS FRONT BOARD DV 502 503 DVF 3050 1 29 19 1 19 1 2 2 1 1 29 1 11 1 11 1 5 1 5 1 12 1 12 1 AC240V 50Hz AC230V 50Hz X T E AC110 120V 220 240V AC120V 60Hz 50 60Hz K P Y M 1 2 7 1 1 5 6 1 7 1 1 15 1 15 1 15 1 15 21 1 1 2 ...

Page 11: ... Q810 Q811 Q805 Q814 Q813 D804 D801 D802 Q809 Q815 Q808 Q812 C906 J021 FIG90 L902 I G O RM901 C909 C910 J009 J010 L901 L903 J018 J017 6 1 J011 J005 J012 J013 R910 J003 J008 J007 C912 LG902 C911 2 1 3 38KHZ JRC 1 2 C904 C908 J015 J014 1 38 J016 C902 J006 OPEN CLOSE J019 J020 FIG91 FIG92 1 7 J002 J004 SKIP SKIP SEARCH SEARCH LG901 STOP PLAY PAUSE D905 CN901 FRONT BOARD D906 CN901 D901 D902 D903 SW90...

Page 12: ...1 RA408 RA407 RA406 RA405 RA404 RA402 RA402 RA401 B E C225R C225G C225B J203 J204 C226 C227 R274 R273 R229 R213 R215 R214 R234 R303 R304 R305 R306 R307 R308 R502 R512 C218 R402 R256 R285 R281 R280 R276 C501 R501 1 7 14 8 R503 R504 J201 C513 R251M B E B E R250M R251 J202 R236 L501 R235 J208 R208 R220R R222R R223R C224R C222R R221R R225R C221R R224R C224G R223G R222G C222G R221G R225G C221G R224G C2...

Page 13: ...9 47 R290 47 197 200 186 187 R264 75 R265 75 202 203 157 158 RA404 47 155 156 151 154 152 153 RA403 47 142 145 148 146 147 RA402 47 143 144 RA401 47 141 148 147 145 146 143 144 141 142 R401 47 R402 47 R256 47 R403 47 100u10 C221 0 01 C220 10 R254 0 1 C219 47 0 1 C222 10K R255 R288 10K 10K 113 112 111 110 109 0 1 C218 115 0 1 C223 10K 47 133 128 3 1 6 R222 47 2 R221 47 R291 47 47 0 1 C201 R292 7 10...

Page 14: ... BLANK 29 28 27 5VA 13 RESET V GND 15 14 D GND 8 V MUTE A MUTE 12 11 5V6S 3 3VD 10 9 2 5VD 5 D GND 5VD 6 7 12VM M GND 3 4 8VM M GND 1 2 C862 390P 75 C861 390P R852 R853 C856 390P C855 390P R845 2 2K R846 75 C868 390P 75 C867 390P 2 2K R857 R859 R847 820 470u10 C824 C858 C857 0 1 220u16 12 3300P R848 8 2 2 7uH L805 C859 R849 820 R858 470u10 C866 C870 C869 0 1 220u16 R860 8 2 L807 2 7uH C871 3300P R...

Page 15: ...1u50 12K R18 470u10 C21 1000u10 C20 L3 7uH 120 1 4W R19 1u50 C22 10 R21 18K 1 4W R20 1 5K 1 4W R22 2 2K 1 4W R23 820 R25 150 R24 R26 390 1 4W 1000P C24 220 1 4W R27 100u16 C23 14 27V 8V 8V 9V 9V 9V 5 5V 5 5V 5 5V 5 5V 3 5V 3 5V 2 5V 12V 5V 12V 12V 5V 12V 12V 2 1 1500P 1500P 1 2W B 3 14 35 0 1 4W 1 4W 1 4W 1 4W 1 4W 1 4W 1 4W 5V CP702 CP701 JK701 D706 D705 D707 D708 D710 D709 D703 Q702 Q704 D702 D7...

Page 16: ... 645 644 644 645 646 617 617 617 734 613x2 650x2 612x2 650x2 715 732 ON OFF POWER MSW1 Cx3 Cx2 Cx2 Ax2 A A E E D D C C D Ax3 A A A A 721 623 622 Cx4 Cx3 Cx2 A B B B C C C C B A A A DVF 3050 735 E C Cx2 736 721 713 630 623 622 A F F C USED E T TYPE COAXIAL IC805 JK801 JK802 OPTICAL DIGITAL OUTPUT OUTPUT AUDIO JK803 JK804 S VIDEO COMPONENT VIDEO OUTPUT OUTPUT VIDEO 1 2 A C B Parts with exploded numb...

Page 17: ...1 EESTTS 601 2A B10 3733 08 WINDWO DVF3050 J85300026021 MSYYS 601 2A B10 3733 08 WINDWO DVF3050 J85300026021 M3 602 2A B43 0310 04 BADGE KENWOOW J60550010000 603 2A A60 2112 08 PANEL FRONT BLK J85000024111 KPETY 603 2A A60 2113 08 PANEL FRONT SLV J85000024121 ESTSMS 603 2A A60 2113 08 PANEL FRONT SLV J85000024121 M3 603 2A A60 2113 08 PANEL FRONT SLV J85000024121 YS 604 2A K27 2452 08 BTN POWER BL...

Page 18: ...500008000 XS 647 1A E03 0115 05 AC ADAPTER PLUG J44291200109 MS B46 0096 53 CARD WARRANTY XJ90300016041 XS B60 5081 08 INST BOOK EN J90200018510 B60 5082 08 INST BOOK FR J90200018520 EES B60 5083 08 INST BOOK TC J90200018530 MS B60 5084 08 INST BOOK AR J90200018540 M2 B60 5085 08 INST BOOK GE NE J90200018550 EES B60 5086 08 INST BOOK IT ES J90200018560 EES H25 1684 08 POLY BAG J97000501000 XS H50 ...

Page 19: ...na 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 C812R CK73FB1H222K CHIP C 2200PF K C813L CK73FB1H331J CHIP C 330PF J C813R CK73FB1H331J CHIP C 330PF J C816L CE04LW1C470M ELECTRO 47UF 16WV C816R CE04LW1C470M ELECTRO 47UF 16WV C817L CK73FB1H101J CHIP C 100PF J C817R CK73FB1...

Page 20: ...Parts Parts No Description Desti nation Re marks R885 887 RK73FB2A121J CHIP R 120 J 1 10W D804 1SS355 D SLP 1SS355 35 0V2049651091 D805 1N4148 DIODE IC801 PCM1748KE IC DAC PCM1748KE S J2133020002X IC802 BA4560F IC OPERAMP BA4560F55128990NR IC805 GP1F32T FIBER OPT GP1F32T J2123829001X IC806 KIA7806 IC REGPOSFXD KIA7820361320NR Q801 KTC3875Y TR SLPSWA KTC3875Y2097046092 Q802 KTA1504Y TR SLPSWA KTA15...

Page 21: ...a H Korea M Other Areas indicates safety critical components Ref No Add ress New Parts Parts No Description Desti nation Re marks CP201 E40 8985 08 CONN 1 25MM 19 FE 55124600XX CP202 203 E35 3010 08 FPC ST 1 0 15P J4422001527X CP204 E40 8986 08 CONN 1 25MM 15 FE 55124580XX CP205 E40 8987 08 CONN 1 25MM 29 FE 55138650XX L201 203 L32 1046 08 LF SMD 2U2H 10 1404174091 L204 207 L32 1047 08 FBEAD SURFA...

Page 22: ...ESTTS IC401 M29W800AT502M IC MS IC401 M29W800AT502M3 IC M3 IC401 M29W800AT503K IC KP IC401 M29W800AT503E IC EESTTS IC401 M29W800AT503M IC MS IC401 M29W800AT503M2 IC M2 IC401 M29W800AT503X IC XS IC501 M74HCU04M IC LOGIC M74HCU04M55133310NR Q201 202 KTC3198Y TRANSISTOR Q220B KTN2907 TR SLPLF KTN2907 5513869056 Q220G KTN2907 TR SLPLF KTN2907 5513869056 Q220R KTN2907 TR SLPLF KTN2907 5513869056 QM201 ...

Page 23: ... MALAYSIA SDN BHD 4 01 Level 4 Wisma Academy Lot 4A Jalan 19 1 46300 Petaling Jaya Selangor Darul Ehsan Malaysia KENWOOD ELECTRONICS THAILAND CO LTD 2019 New Pechburi Road Bangkapi Huaykwang Bangkok 10320 Thailand Type System DVD video player system Signal read system Semiconductor laser D A Conversion Section D A conversion 24 Bit Oversampling 8 fs Sampling frequency 44 1 48 kHz 4 fs Sampling fre...

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