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MINI HiFi COMPONENT SYSTEM

RXD-A850DV/DV50/DV70

SERVICE MANUAL

(XD-A850DV~DV70)

**

© 2001-9 PRINTED IN KOREA

B51-5751-00 (K/K) 3186 

*

Refer to parts list on page 28 .  

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

KENWOOD-Corp. 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.

EX.BASS

VOLUME

CONTROL

DISC SELECTOR

DISC SKIP

0

OPEN/CLOSE

STANDBY

/TIMER

DISPLAY/DEMO

REVERSE MODE

VIDEO/AUX

POWER

DVD/CD

TAPE A

PHONES

MIC

MIC LEVEL

TAPE B

STOP

VIRTUAL SURROUND

TUNER

BAND

ON/STANDBY

LISTEN MODE

DVD

VCD

CD

SELECT

EN

TE

R

TUNING MODE

EQ MODE

/EX.BASS

SMART

MENU

M

U

LT

I

C

O

N

T

R

O

L

/P

.C

A

L

L

REC/ARM

4

¢

DISC 1

DISC 2

DISC 3

23

23

7

PUSH
OPEN

PUSH
OPEN

TAPE 

A

 PLAY

PLAY/REC TAPE 

B

 

Door tray 
(A22-1864-08))

Knob(MAIN) 
(K29-8040-08)

Door deck(R)  
(A52-0948-08)

Button(DISC)  
(K29-8031-08)

Window 

*

(B10-)

Button(OPEN/CLOSE)
(K29-8037-08)

Button(MENU)
(K29-8039-08)

Button(REC/ARM)
(K29-8036-08)

Volume ring
(B01-2575-08)

Button(ON/STANDBY)  
(K29-8038-08)

Door deck(L)  
(A52-0947-08)

Front panel 

*

(A60-)

M and M2 types are available for MIC circuit.

**

Refer to page 2 if you want to know system
configuration.

Summary of Contents for RXD-A850DV

Page 1: ...IP 0OPEN CLOSE STANDBY TIMER DISPLAY DEMO REVERSE MODE VIDEO AUX POWER DVD CD TAPE A PHONES MIC MIC LEVEL TAPE B STOP VIRTUAL SURROUND TUNER BAND ON STANDBY LISTEN MODE DVD VCD CD SELECT ENTER TUNING MODE EQ MODE EX BASS SMART MENU M U L T I C O N T R O L P C A L L REC ARM 4 DISC 1 DISC 2 DISC 3 23 23 7 PUSH OPEN PUSH OPEN TAPE APLAY PLAY REC TAPE B Door tray A22 1864 08 Knob MAIN K29 8040 08 Door...

Page 2: ...weaker class There is no danger of hazardous radiation outside the unit The marking of products using lasers Except for some areas Accessories SYSTEM MAIN UNIT DESTINATION SPEAKER XD A850DV RXD A805DV K LS N50V H XD DV50 RXD DV50 MXET LS N50V XD DV50 M2 RXD DV50 M2 M2 LS N50V XD DV60 RXD DV70 MX LS N70V XD DV60 M2 RXD DV70 M2 M2 LS N70V XD DV70 RXD DV70 MX LS N90V Operation to reset The microcompu...

Page 3: ...R WOOFER PRE OUT COMPONENT VIDEO OUTPUT VIDEO OUTPUT DIGITAL OUT OPTICAL AC 110 120V AC 220 240V Metallic cabinet A52 0949 08 DIN socket E63 1243 08 Tuner ass y W02 Phono jack E63 AC power cord E30 Phono jack E63 Lock terminal board E70 0152 08 Slide switch S62 0108 08 Lock terminal board E70 0158 08 Digital out W02 2911 08 Phono jack E63 AC power cord bushing J42 0350 08 Slide switch S62 0109 08 ...

Page 4: ...oscope to become close to a 45 straight line 2 PC board adjustment MTT 111 Adjust the tape speed so that 3kHz is 1 Tape speed TCC 100 AUX OUTPUT PLAY VR901 obtained at the center of the tape 3KHz 4dB Frequency of 3KHZ 40Hz 2 PLAY BACK MTT 130 AUX OUTPUT PLAY Playback output to 400mV 50mV LEVEL CN902 Pin1 and Pin2 GND 3 REC BIAS REC PB AUX OUTPUT REC T901 Ensure that the Frequency Counter Frequency...

Page 5: ... 1 8 DVD LOGO SENSOR BOARD IC002 D002 IC001 Q001 P002 P1003 L3 L2 L6 L5 C10 C13 C15 L1 J705 C701 R702 R701 L4 C702 J704 R11 C9 CDL2 CDL1 K701 2 1 3 C704 C706 J708 R703 F702 F07 F08 J702 R706 J707 J701 F701 F05 F06 R708 CN705 IC701 CN706 D1 D2 R707 D706 D708 Q1 D3 D4 JK1 JK2 Q2 D701 D705 D703 D704 IC701 CP706 D707 D709 Q702 CN703 CP704 P706 P709 S701 DIGITAL OUT OPTICAL S VIDEO CVBS VIDEO OUTPUT AC...

Page 6: ...J268 J267 VR201 R226 R225 J265 R223 R224 J273 J274 J276 J277 J264 J262 R214 R215 C202 R208 R209 R290 R216 C206 C204 R212 R311 R308 R213 R312 J363 R309 R210 R221 R217 R218 R211 R219 R313 R310 R307 J377 R402 C402 R254 R420 R411 R414 R256 C213 R418 R258 C432 R415 R374 R490 R366 R329 R244 J348 K201 J275 J350 J349 R250 J203 C262 R249 J358 R270 R259 R265 R267 J101 C218 J320 J331 J394 J312 J390 J319 J317...

Page 7: ...830 R333 R334 VR201 C240 C241 C237 C235 H8 C236 J929 G904 R923 C920 C957 R985 J944 C952 R915 C915 J878 T901 R963 R969 R953 R951 R968 R950 R970 R813 J894 J898 J893 J891 J807 J888 J887 J964 J969 J872 J860 J869 J870 J871 J867 J865 J967 R49 R949 R957 R991 R975 R937 C947 C946 VR904 VR903 C945 C943 C917 C930 C929 C928 C922 C925 C927 C907 J928 C940 J972 J941 C944 J853 J936 J926 J922 J914 TP1 J954 J948 J9...

Page 8: ...V41 CV7 CV3 C13 C16 C15 LS4 LS3 LS6 CV1 CV11 CV6 R42 RV30 CV26 RV39 CV14 RV18 CV63 RV38 CV2 RV12 RV55 R114 R66 R96 R26 R23 R57 R56 RA9 RA8 RA7 RA6 RA16 RA15 RA14 RA13 RA12 RA11 RA10 RA5 RA3 RA2 RA1 RS16 RS18 R64 R65 R29 R30 BD11 RV44 RV43 R67 R70 R62 R61 BD10 RV54 RV53 RV52 RV51 RV50 R105 R85FL C82FL R82FL R85FR R82FR R103 R102 R92 R93 R95 R94 R17A RA73 RA72 R49 C29 R48 R50 C30 R58 RS1 RS5 RS7 RS3...

Page 9: ...2 Q3 Q4 VSS 16 15 14 13 12 11 10 9 VDD ENABLE Q5 Q6 Q7 Q8 Q S QS Q3 Q8 QS Q S 7 Q4 VSS 8 10 9 DATA ENABLE Q5 Q6 Q7 Q1 5 Q2 6 3 CLK 4 12 11 14 13 VDD 1 ST 2 16 15 100u10 C827 0 022 C820 C829 100P C830 100P C828 100P 4 1 3 2 7 5 6 9 9 7 5 6 3 4 2 1 11 10 10 11 330 R872 R859 270 150 R862 OUT B GND 47u16 C814 0 022 C815 1K R808 150 R863 R861 220 26 27 36 35 4 9 8 8 1K R996 10K R34 5V 5V 5 6V 5 6V 5 6V...

Page 10: ... R61 2 2 R44 Q801 100 R611 100 R612 1K R999 R38 10K R998 1K R997 1K R37 10K R36 10K 53 51 52 53 46 47 48 49 50 R52 100u10 C823 50 51 52 0 022 C824 0 022 C821 30V 30V 30V 5 6V 5V 5V 5 6V 5V 5 6V 5V 5 6V 5 6V B B B X802 F1 NP F1 P2 P3 P1 NP P8 P6 P7 P5 P4 P9 P11 P10 P22 P16 P14 P15 P13 P12 P20 P21 P17 P19 P18 P26 P27 P25 P23 P24 P31 P30 P28 P29 7G 8G P32 10G 11G 9G 6G 4G 5G 3G F2 NP 1G NP 2G F2 F2 1...

Page 11: ...47 R23 R31 47 R32 47 10 R41 C10 1000P 1 2K R24 R25 1 2K R26 47 R90 47K RA1 47 143 144 141 142 146 148 147 RA2 47 145 153 154 RA3 47 151 152 157 158 156 155 C43 0 1 C41 C34 RS2 47 R12 47 R36 1K RM8 10K R13 47 100u16 C31 0 01 C32 10 R63 RM7 10K R14 47 R16A 10K R55 10K R53 10K R52 10K 10K RS1 47 RS7 47 RS6 47 RS5 47 RS3 47 110 113 111 112 109 115 RA70 100 0 J10 55 56 57 54 53 R27 47 R28 47 R29 47 R30...

Page 12: ...27 CV24 470u6 3 BD10B RS90 47K 197 111 112 113 110 115 203 202 200 109 R54 10K 0 1 C29 10K R48 56 R49 0 R50 4 7K R47 4 7K R46 470P C30 R62 CV49 1000P CV48 1000u6 3 R71 220 CV50 14 3 10u16 CV53 OUT R A GND ZERO L MD MC V COM ZERO R OUT L VCC 6 7 8 LRCK D GND VDD 5 4 11 10 9 12 13 2 1 SCK ML BCK DATA 2 1 15 16 52 R102 47 R94 47 R103 47 51 56 R95 55 46 44 45 100 C48 8P 103 3300P CV22 68P CV20 12 RV22...

Page 13: ... 33u25 0 47u50 C257 47K R328 18K 18K R480 47K R474 47K 22K R244 2 2K R327 3 9K R367 10K R326 100 R323 15K R324 C232 4 7u50 C233 470u16 2 2K R329 15K R325 R483 2 2K 1000P R295 R356 4 7K B B B B B C421 180 12VA 12VM 12VA 12VA 12VA 12VA 12VM 12VA 12VA 12VA 12VM 12VA 12VA 12VA 12VM 12VM 12VA 12VA 12VA 12VM 12VA 12VA 12VA 12VA 12VA 12VA 12VA 12VA 12VA 12VA 12VM 12VA 12VM 12VA 12VM 12VA 12VA 12VM 12VA 1...

Page 14: ...P 1 9 8 2 3 7 6 5 4 6 5 4 2 3 7 8 9 1 B B B 12VA B B B B B B RGND AGND GND AGND AGND GND 13 15 14 12 11 LGND GND GND GND GND 10 9 8 7 6 LGND RGND LGND RGND 5 4 3 2 1 B B CP202 CP203 CP204 CP403 Q202 Q201 D202 Q204 Q203 D205 D201 D203 D204 D210 Q246 Q247 CN209 CN201 HEADPHONE MIC INPUT JK202 JK201 IC201 2 2 IC201 D230 D231 1 2 D241 D240 AMPLIFIER MIC VOLUME MIC CP205 4 4 CN604 POWER POWER CN603 4 4...

Page 15: ...1 12V A 12V A DKGND DKGND 12V A 12V A 12V M 12V M AGND AGND 11 10 9 8 7 6 5 4 3 2 1 VDD1 VDD1 VDD1 VEE1 VEE1 RLY B VEE2 VEE2 DC DET VDD2 VDD2 B B C638 100u16 22 R623 120 R610 C639 0 01F16 B 5V GND OUT IN C618 100u50 100u16 C621 R602 47 1W F604 F603 1 R608 1W C631 100u16 C630 3300u25 2 2K R609 47 R624 C627 1000u16 C626 100u16 1000u16 C623 0 022 C622 47 R625 220 R607 12V 12V 12V 8V 63 63 12V B 12V 8...

Page 16: ...2 1 4 3 2 1 K701 100 R703 1K R708 10K R707 B 250V F701 F006 F005 220 240V 110 120V R706 4 7K 3 4 1 2 BEAD CDL2 VCC GND OUT L1 2 2uH L2 2 2uH L3 2 2uH Y COMPO CDL1 BEAD R12 100 330 R10 4 7K R11 C9 47u16 0 1 C8 390P C21 L4 2 2uH 2 2uH L5 C17 390P C19 390P 1 2 3 390P C10 390P C13 390P C15 L6 2 2uH 330P C22 47u16 C704 0 022 C706 4700P C705 F702 F008 F007 5 6V 5 6V VDIS GND IN OUT 3 4 1 2 5 6V B B 5 6V...

Page 17: ...23 22 21 20 C D Dx2 Cx2 Cx3 Dx2 Dx2 C AE AE ABx2 19 18 17 16 18 15 11 10 12 13 14 6 5 2 2 2 9 3 4 3 3 7 8 1 AA AD AD AC AC AC 3x10 BLK 3x6 3x10 BLK 3x8 3x10 3x10 2 6x4 N89 3010 45 N89 3006 46 N09 5404 08 N89 3008 46 N89 3010 46 N09 5405 08 N30 2604 46 C D AA AB AC AD AE ABx2 RXD DV50 90 MECHA 1 2 3 A B EXPLODED VIEW MECHANISM ...

Page 18: ...602 605 603 604 606 675 617 646 748 612 612 682 611 750 732 611 747 751 640 774 634 644 645 EN801 641 642 638 618 621 622 623 629 624 625 626627 628 620 633 719 773 991 784 643 639 635 765 756 990 655 760 757 759 754 752 753 758 761 690 762 993 683 768 669 670 675 C Cx2 C C M M Mx2 Mx2 Mx2 F P C F C C C P C C F F F L C L Fx2 Fx2 Cx3 F Cx2 C C C G G G G D P Gx2 D Kx2 Kx2 Gx2 Hx8 Gx2 Gx2 Px3 Gx2 Gx4...

Page 19: ...scription Desti nation Re marks 601 2C B01 2575 08 RING VOLUME J85400050000 602 2C K29 8040 08 KNOB MAIN J85100027000 603 2C B10 3742 08 WINDOW DECK R DJ85300029010 K 5 603 2C B10 3743 08 WINDOW DECK R DJ85300029020 MM2XTE 604 2C B10 3740 08 WINDOW DECK L DJ85300028010 K 5 604 2C B10 3741 08 WINDOW DECK L DJ85300028020 MM2XTE 605 2C A52 0948 08 DOOR DECK R DVDJ85600020000 606 2C A52 0947 08 DOOR D...

Page 20: ...ysia Y PX Far East 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 C212 CC45FCH1H080D CERAMIC 8 0PF D C213 C91 0721 05 CERAMIC 10PF J C214 CE04LW1C101M ELECTRO 100UF 16WV C215 CK45FB1H821K CERAMIC 820PF K C216 C91 0737 05 CERAMIC 4...

Page 21: ...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 R318 RS14AB3A100J FL PROOF RS 10 J 1W R320 RS14KB3A561J FL PROOF RS 560 J 1W R321 JUMPER WIRE 20441260XX 7 R321 RS14KB3A561J FL PROOF RS 560 J 1W 5 R340 JUMPER WIRE BCL 0 5MM TIN A20441180XX 5 R342 JUMPER WIRE BCL 0 5MM TIN A20...

Page 22: ...East 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 Q605 KTC3198Y TR SLPLF 2050808056 Q606 KTD2058Y TR SHPLF 55133280NR Q607 KTC3198Y TR SLPLF 2050808056 C1 CK45FB1E223Z CERAMIC 0 022UF Z C3 CK45FB1E223Z CERAMIC 0 022UF Z MM2 5 C2...

Page 23: ...a Y PX Far East 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 VR903 904 R12 5059 08 PR 100K0 OHM 355150920NR SW801 805 S70 0092 08 SWITACT HOR 50M20404680NR SW810 827 S70 0092 08 SWITACT HOR 50M20404680NR D230 231 1N4148 D SLP 70...

Page 24: ...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 C29 CK73GB1E104Z CHIP C 0 10UF Z C30 CC73GCH1H471J CHIP C 470PF J C31 CE04LW1C101M ELECTRO 100UF 16WV C32 CK73GB1E103K CHIP C 0 010UF K C48 CC73GCH1H080D CHIP C 8 0PF D C49 CC73GCH1H180J CHIP C 18PF J C51 CE04LW1A221M ELECTRO 220UF 10WV C...

Page 25: ...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 R48 RK73GB1J103J CHIP R 10K J 1 16W R49 RK73GB1J560J CHIP R 56 J 1 16W R50 RK73GB1J000J CHIP R 0 J 1 16W R51 55 RK73GB1J103J CHIP R 10K J 1 16W R56 57 RK73GB1J750J CHIP R 75 J 1 16W R58 RK73GB1J471J CHIP R 470 J 1 16W R...

Page 26: ...XIAL 6MM J2631200012X L001 L40 3901 17 LF 39U0H 10 120833280NR M001 T42 1116 08 AD ASY MOTOR DC20581800XX D001 002 UZ5V6 D ZENER 2041428016 IC001 002 LB1641 IC MOTOR DRIVER 0656300NR P1001 1003 T95 0188 08 D PHOTO ITR960620586840NR P1004 GP2S28 D PHOTO GP2S28 20556130NR Q001 DTC114YSA TR SLPLF DTC1145513321056 1 1B D02 0146 08 AC PLASTIC MLD 55087120XX 2 1A 1B D14 0819 08 AC RUBBER ROLLE20712120XX...

Page 27: ...t 6 Ω 100 W 100 W Input sensitivity impedance VIDEO AUX 400 mV 35 kΩ MIC only some areas 4 0 mV 8 2 kΩ Output level impedance VIDEO AUX 400 mV 1 0 kΩ SUPER WOOFER PREOUT 2 0 V 2 2 kΩ Tuner section FM tuner section Tuning frequency range 87 5 MHz 108 MHz AM Tuner section Tuning frequency range for U K Europe and Australia 531 kHz 1 602 kH Tuning frequency range for U S A and Canada 530 kHz 1 700 kH...

Page 28: ...NICS ITALIA 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 ...

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