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MD PERSONAL STEREO SYSTEM

MDX-01/02

SERVICE MANUAL

© 2000-12/B51-5691-00 (K/K) 332

SOUND

PUSH OPEN

MD REC

REPEAT

VOLUME

/MULTI CONTROL

TUNER

FM/AM

STANDBY/TIMER

MD

TUNE

MODE

STOP

/

CD

MENU

POWER

SET/DEMO

CD

/M

D H

igh

Speed

Dubbing Sy

stem

TUNING

TUNING

MD PERSONAL STEREO SYSTEM

DISC LOADING MECHANISM

EJECT

BEST HITS

Note:

Please contact KENWOOD service in your side if

you want to get the AC power cord.

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.

FM 75

W

AM

GND

ANTENNA

ANTENNA

PHONES

AC IN 

Front cabinet(OUTER) ass'y 
(A60-1942-08): L
(A60-1943-08): R
(A60-1944-08): D
(A60-1946-08): H
(A60-1947-08): S

Knob B
(K29-7900-08)

Knob A
(K27-7893-08): S
(K29-7895-08): L
(K29-7896-08): H
(K29-7898-08): D
(K29-7899-08): R

Top plate R ass'y 
(A60-2059-08): DHLR
(A60-2060-08): S

Door 
(A52-0914-08): DHLR
(A52-0915-08): S

Door lens
(B12-0408-08): L
(B12-0409-08): R
(B12-0410-08): D
(B12-0412-08): H
(B12-0413-08): S

MD door 
(A52-0918-08)

Handle 
(K01-0139-08)

Rear cabinet 
(A02-2987-08): S
(A02-2988-08): DHLR

AC socket
(E03-0375-08)

Handle(REAR)
(K01-0134-08): L
(K01-0135-08): H
(K01-0137-08): D
(K01-0138-08): R
(K01-0140-08): S

Antenna terminal
(E70-0114-08)

Stereo jack
(E11-0398-08)

D:

ORANGE, 

H:

GREY, 

L:

BLUE, 

R:

RED, 

S:

SILVER

www. xiaoyu163. com

QQ 376315150

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TEL 13942296513

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2

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TEL  13942296513  QQ  376315150  892498299 

TEL  13942296513  QQ  376315150  892498299 

Summary of Contents for MDX-01

Page 1: ...ted AVOID DIRECT EXPOSURE TO BEAM FM 75W AM GND ANTENNA ANTENNA PHONES AC IN Front cabinet OUTER ass y A60 1942 08 L A60 1943 08 R A60 1944 08 D A60 1946 08 H A60 1947 08 S Knob B K29 7900 08 Knob A K27 7893 08 S K29 7895 08 L K29 7896 08 H K29 7898 08 D K29 7899 08 R Top plate R ass y A60 2059 08 DHLR A60 2060 08 S Door A52 0914 08 DHLR A52 0915 08 S Door lens B12 0408 08 L B12 0409 08 R B12 0410...

Page 2: ... the unit for a few hours and restart the opera tion after the condensation has dried up Be specially cautious against condensation in a following circumsatance When this unit is carried from a place to another across a large difference in tem perature when the humidity in the room where this unit is installed increases etc Note related to transportation and movement Before transporting or moving ...

Page 3: ... fixed CD and top covers 5 2 Remove 8 screws fixed the carrying handle 6x4 and the rear cabinet 7x4 3 Turn the antenna cap 8 to remove and lift the carrying handle and CD mechanism 9 3 How to Remove MD Mechanism 1 Remove the screw 0 fixed the AC inlet socket 2 Remove 5 screws fixed the bottom cabinet x3 and the power transformer x2 3 Move the main pcb frontwards 4 Remove 3 screws fixed the MD mech...

Page 4: ... u w T SERVO OFF 03 Stop to CD operation 01 HI SPEED double speed u wNOR SPEED in playback Playback in STOP mode Track up of CD FF search of CD if key pressed more 400ms Pickup move outwards in STOP mode if key pressed more 400ms Playback in STOP mode Track down of CD FB search of CD if key pressed more 400ms Pickup moves inwards in STOP mode if key pressed more 400ms MD MODE 1 Stop to operation C...

Page 5: ...e When removing the flexible board from the connector make a solder bridge in advance then remove the board Be careful not to remove the solder bridge before inserting the connector Moreover take careful mea sures against electrostatic destruction The flexible board is cut easily Handle the flexible board with care 5 3 Precaution during adjustment 1 Perform the adjustment and confirmation marked w...

Page 6: ...rded disc is used for this adjustment 2 If the traverse waveform is difficult to be monitored con nect an oscilloscope as shown in the figure below TE1 330kΩ 10pF VC Oscilloscope 5 7 EF Balance Traverse Adjustment Connection TE1 VC Oscilloscope X33 ADJUSTMENT V 0 5V div H 10ms div INPUT DC mode Laser power meter Digital voltmeter Objective lens of optical pick up IOP2 IOP1 X33 ADJUSTMENT 1 Laser P...

Page 7: ...Y MID Access end c xxxx a yy xxxx C1 error lower 50 yy AIDP error 00 4 STOP CPLAY MODE 5 EJECT Unload disc No Key Display Function 1 4 Select FBIAS ADJU 2 Load the disc 3 PLAY a xx yyyy point a xx focus bias yyyy C1 error 4 4 Adjust yyyy to 220 5 PLAY b xx yyyy point b 6 4 Adjust yyyy to 220 7 PLAY C xx yyyy point c Check yyyy within 50 8 PLAY Display shows aa bb cc xx focus bias adjust aa point a...

Page 8: ... O Timer led control OFF ON 28 LCD CS O CS port of LCD driver 29 CTXD O TXD port of UART 30 CRXD I RXD port of UART 31 LCD DATA O Data port of LCD driver 32 NC No use 33 LCD CLK O Clock port of LCD driver 34 LCD RST O Reset port of LCD driver 35 NC No use 36 SQSO I CD sub code 37 SQCK I Clock for CD sub code 38 MD CE O MD IC CE 39 MD RST O MD reset signal RESET NORMAL 40 55 NC O No use 56 CD ON OF...

Page 9: ...tection less 1 25V detect 92 NC O No use 93 95 KEY1 3 I Key signal ON OFF 96 AVSS GND 97 NC No use 98 VREF I Standard voltage for A D converter 99 VCC B U I Standard voltage for A D converter 5V 100 NC O No use Voltage V 0 00 0 46 0 47 1 32 1 33 2 14 2 15 3 00 3 01 3 80 3 81 4 60 more 4 61 KEY 1 SKIP UP MD SET DEMO MENU KEY OFF 93 EJECT KEY 2 POWER CD BEST HITS TUNER REPEAT SOUND KEY OFF 94 KEY 3 ...

Page 10: ...p the step of adjustment FOCUS ERROR BIAS Set up horizontally Test disc type 4 Connect an oscilloscope as follows Press the PLAY PAUSE key Confirm that the display is 05 VR 201 Optimum eye pattern Tuner section NO ITEM INPUT SETTINGS OUTPUT SETTINGS RECEIVER SETTINGS ALIGNMENT POINTS ALIGN FOR FIG FM SECTION SELECTOR FM 1 TUNING LEVEL 98 0MHz MONO 1 kHz 40kHz dev 30dBf ANT input MONO 98 0 MHz TUNE...

Page 11: ...DESCRIPTIONS MDX 01 02 11 www xiaoyu163 com QQ376315150 9 9 2 8 9 4 2 9 8 TEL 13942296513 9 9 2 8 9 4 2 9 8 0 5 1 5 1 3 6 7 3 Q Q TEL 13942296513 QQ 376315150 892498299 TEL 13942296513 QQ 376315150 892498299 ...

Page 12: ...807A R806A J503 J508 J504 J502 CD TUNER MD POWER SKIP DOWN CD DOOR STOP VOL DOWN VOL UP SOUND SET DEMO MENU REPEAT MD REC BEST HITS SKIP UP J501 J505 J506 J507 E 8 1 E B B SW513 Q501 Q502 SW512 SW514 CN501 SW516 SW508 SW507 SW511 SW501 SW502 SW509 SW504 D502 SW515 SW506 SW505 KEY UNIT SW510 SW503 SW801 D802 D801 IC801 VR801 MD EJECT J802 10 1 3 1 J802 C809 CN801 DISPLAY UNIT www xiaoyu163 com QQ37...

Page 13: ... GND VDD 1 15 14 ADDT DOUT CTX 1 13 24 25 37 SRDT SENS RECP XLAT AINR 8 1 16 AINL RMS XRST 100 M2 M0 M1 SDA 5 8 SCL 4 1 9 MUT 256 EMP BCK GND XINT D3 3V TX 10 20 11 4M EFM HEAD2 HEAD1 RECP CRX H POS VC TX LRCK ADDT DATA PD A 5 AGND DG GND TFD ILCC F SCL LDON LM I D 5 M 5V EMPH FWDT L5 E 1 2 3 5 B E B RST E B E B E B 26 76 51 36 48 12 26 51 76 CN1 Q2 CN5 IC2 Q6 IC6 IC5 Q1 Q4 IC1 Q21 IC7 Q22 IC24 IC...

Page 14: ...01 3 7 9 8 4 5 6 10u10 C315 C319 10u10 C316 10u10 7 6 7 6 Q2 12 11 12 11 Q2 32 34 36 37 38 31 44 43 39 43 44 39 40 37 38 36 31 32 33 34 R132 100K 0 47 C129 0 01 C128 10K R131 100P C130 680K R133 C132 0 47 3 3K R135 R136 1K R134 1K 150 R140 0 015 C131 0 1 C124 10u10 75 74 94 91 92 93 R148 100 560 R141 20 19 18 17 16 15 14 13 12 11 1 2 3 4 5 6 7 8 9 10 10 C181 82 81 80 99 79 78 81 80 83 82 85 89 88 ...

Page 15: ...DEM1 DEMO VDD VSS AINL AINR VCOM 9 10 11 12 13 14 15 16 SDT1 LRCK MCLK SCLK PWAD PWDA AOUTL AOUTR 2200P X2 10MHz 3 3K R176 87 88 89 90 91 92 84 R182 47K R183 47K R172 47K R181 47K 0 1 C166 1 2 3 100u6 3 C190 100u6 3 C187 6 7 8 5 2 1 4 3 39 38 10K R170 10K R171 0 1 C171 R53 100 R4 470 5V 0 1 100u6 3 C311 10u10 R10 100 R11 100 1K R178 41 40 47 44 43 48 R15 470K R16 470K C170 0 1 R168 4 7K 76 77 R17 ...

Page 16: ... 4V 9 4V R129A 33K C137A 100P 9 4V 9 4V B B R120A R108A R133A B 2200P C17A 18P C1A C105A C106 2 2K R113A R115A 100 R153A 1K R130A C158A 0 01 1u50 9 4V C159A 100P 47P C164A 0 01 C147A 100 R5A 1u50 C151 1u50 C152 B Q102 D102 D101 MPX FM AM SYSTEM IC PLL CN403 UNIT 4 4 CN101 for FM ADJ D105 FM FRONT END VC1 VC2 Q2 Q1 Q3 Q101 FM SW RF AMP JK102 IC101 LA1837 IC102 LC72131 Q101 2SA1317 Q102 2SC930 D101 ...

Page 17: ...R246A 39P C227A 1K 1K 1 1W 1 8K R242A 0 056 C225A 2 LDC 1 CD DGND 6 4 3 5 8 7 9 10 11 13 12 15 14 16 SENS SCOR HI SP SCLK XLAT CD CLK CD DATA SQCK CD RST 7 5V CD SQSO A GND R OUT L OUT 17 CD MGND 18 D OUT R236A 1K 3 R245A 1K B B B B 33P C238A 470u10 C220 1000P C237A C237 1u50 C238 1u50 100P C234A C233A 100P 2 7K R264A C216A 270P R231A R266A C243A 56P 6 26 8 9 20 7 5 3 1 2 7 5V 7 5V 7 5V 7 5V 7 5V ...

Page 18: ... CN403 CN402 CN401 CN406 3 4 UNIT CN203 1 4 X33 CN1 2 4 UNIT TUNER CN101 CD SERVO CN801 D801 D802 SW801 MD EJECT CN802 IC801 SPS 440 1 E B A C Q407 Q406 D408 D407 9 4V 5 0V 7 5V 5 0V 5 6V COM8 COM7 COM6 COM5 COM4 COM3 COM2 SEG1 SEG2 SEG3 SEG4 SEG5 SEG6 SEG7 SEG8 SEG9 SEG10 SEG11 SEG12 SEG13 SEG14 SEG15 SEG16 SEG17 SEG18 SEG19 SEG20 SEG21 SEG22 SEG23 SEG24 SEG25 SEG26 SEG27 SEG28 SEG29 SEG30 SEG31 ...

Page 19: ...20A 47K 0 01 C701 3 15A 250V F702 T701 RL701 56 R710 R711 180 1 4W 180 1 4W R712 R714 180 1 4W 1000u25 C703 R702A 100 R426A R468A 47K R502A 3K R507A 3K R508A 5 1K R503A 5 1K R504A 10K R509A 10K R510A 30K R505A 30K R511A 2K R512A 3K R513A 5 1K R514A 10K R501A 2K R506A 2K 680 R517A 680 R520A 22K R518A 22K R519A R516A 22K Q502 T702 C702 0 01 39K R704A 22K R705A C708 4 7u50 1 5K R706A 0 01 C705A F701 ...

Page 20: ...864 802 862 862 850 838 866 819 861 863 DMMD FMMD 831 210 860 LMMD MDM 06G MDX 01 02 X33 1270 Bx2 Bx2 A A 233 259 233 A B C D F G H M2x4 2 6x10 2x6 M1 7x2 M1 7x3 M1 7x4 5 1 4x2 2 N86 2004 46 N09 2817 05 N09 4154 05 N09 3104 05 N09 3279 05 N39 1745 46 N79 1422 46 F C C Gx2 214 216 218 246 217 224 Cx2 865 830 226 1 2 3 A B www xiaoyu163 com QQ376315150 9 9 2 8 9 4 2 9 8 TEL 13942296513 9 9 2 8 9 4 2...

Page 21: ...NNA A A N P N P B B B B B B A F N N E M M M A Q K K M G G J J N MDX 02 F N G G Ax2 Ax5 Ax2 Bx2 Bx2 Ax2 Ax2 Dx2 Dx2 Mx2 Gx2 Jx2 612 603 670 604 773 774 781 776 776 636 642 602 630 611 618 606 609 617 671 663 616x4 626 626 625 625 662 661 627 628 601 647 647 655 655 653 652 783 777 731 778 779 782 775 780 781 660 662 651 672 654 650 664 637 632 634 SP1 SP1 607 641 610 647 605 647 608 605 608 646 Blu...

Page 22: ...50000 0987 DHLR 602 1D A02 2991 08 BRACKET 129 50006 0974 S 602 1D A02 2992 08 BRACKET 129 50006 0987 DHLR 603 1C A09 1191 08 BATTERY COVER 604 1C A09 1201 08 ANT STAND 138 50006 0931 605 1C 2D A50 1384 08 SIDE PLATE 109 50000 0807 S 605 1C 2D A50 1386 08 SIDE PLATE 109 50000 0986 L 605 1C 2D A50 1387 08 SIDE PLATE 109 50000 0989 H 605 1C 2D A50 1389 08 SIDE PLATE 109 50000 0991 D 605 1C 2D A50 13...

Page 23: ... safety critical components Ref No Add ress New Parts Parts No Description Desti nation Re marks C17A CK73GB1H222K CHIP C 2200PF K C101A CK73GB1H103K CHIP C 0 010UF K C103A CC73GCH1H050J CHIP C 5 0PF J C104A CC73GCH1H331J CHIP C 330PF J C105A CK73GB1H103K CHIP C 0 010UF K C106 CE04CW1A221M ELECTRO 220UF 10WV C107 CE04CW1A101M ELECTRO 100UF 10WV C108A CK73GB1H103K CHIP C 0 010UF K C110A CK73GB1H103...

Page 24: ...S 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 C347 48 CE04CW1A471M ELECTRO 470UF 10WV C348A CK73GB1E104Z CHIP C 0 10UF Z C349A 50A CC73GCH1H101J CHIP C 100PF J C351 352 CE04CW1A100M ELECTRO 10UF 10WV C357 58 CC45FCH1H101J CERAMIC 100PF J C402A 04A CK73GB1H102K CHIP C 1000PF K C405A CC73G...

Page 25: ...tical components Ref No Add ress New Parts Parts No Description Desti nation Re marks R111A RK73GB1J102J CHIP R 1 0K J 1 16W R113A RK73GB1J222J CHIP R 2 2K J 1 16W R114A RK73GB1J473J CHIP R 47K J 1 16W R115A RK73GB1J103J CHIP R 10K J 1 16W R117A RK73GB1J470J CHIP R 47 J 1 16W R118A RK73GB1J101J CHIP R 100 J 1 16W R119A RK73GB1J301J CHIP R 300 J 1 16W R120A RK73GB1J562J CHIP R 5 6K J 1 16W R121A RK...

Page 26: ...22J CHIP R 1 2K J 1 16W R448A RK73GB1J101J CHIP R 100 J 1 16W R449A 50A RK73GB1J103J CHIP R 10K J 1 16W R452A 57A RK73GB1J101J CHIP R 100 J 1 16W R458A 59A RK73GB1J103J CHIP R 10K J 1 16W R460A RK73GB1J102J CHIP R 1 0K J 1 16W R461A RK73GB1J104J CHIP R 100K J 1 16W R462A RK73GB1J103J CHIP R 10K J 1 16W R463A RK73GB1J2R2J CHIP R 2 2 J 1 16W R464A 65A RK73GB1J102J CHIP R 1 0K J 1 16W R466A RK73GB1J0...

Page 27: ...ina I Malaysia 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 IC101 LA1838 IC FM AM SYSTEM IC IC102 LC72131 IC PLL FREQUENCY SYNTHESIZER IC201 CXA1571M IC CD RF AMP IC202 CXD2587Q IC DAC DSP IC203 BA5979S IC 4CH BTL ...

Page 28: ...73FB2A103J CHIP R 10K J 1 10W R8 11 RK73FB2A101J CHIP R 100 J 1 10W R13 RK73FB2A101J CHIP R 100 J 1 10W R14 RK73FB2A3R3J CHIP R 3 3 J 1 10W R15 16 RK73FB2A474J CHIP R 470K J 1 10W R17 18 RK73FB2A3R3J CHIP R 3 3 J 1 10W R52 53 RK73FB2A101J CHIP R 100 J 1 10W R103 RK73FB2A102J CHIP R 1 0K J 1 10W R104 RK73FB2A103J CHIP R 10K J 1 10W R105 RK73FB2A472J CHIP R 4 7K J 1 10W R106 RK73FB2A335J CHIP R 3 3M...

Page 29: ...CREW 2 0X6 0 D N09 3104 05 SCREW 1 7X2 0 F N09 3279 05 SCREW 1 7X3 0 G N39 1745 46 SCREW 1 7X4 5 H N79 1422 46 SCREW 1 4X2 2 DMMD 2B T42 0992 08 DM ASSY FMMD 2B T42 0940 08 FM ASSY LMMD 2A T42 0938 08 LM ASSY PUMD 1A T25 0085 05 PICKUP KSM 260B RHMD 1A T30 0021 05 RECORDING HEAD New Parts Parts without Parts No are not supplied Les articles non mentionnes dans le Parts No ne sont pas fournis Teile...

Page 30: ...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 Amplifier section Maximum practical output 2 W 2 W EIAJ 4 Ω Tuner section FM tuner Tuning frequency range 87 5 MHz 108 MHz AM tuner Tuning frequency range 531 kHz 1 602 kHz MD Recorder se...

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