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SERVICE MANUAL

CD RECEIVER

No.49675

Jan. 2002

KD-S621

Contents

Safety precaution
Preventing static electricity
Disassembly method
Adjustment method

1-2
1-3
1-4
1-11

Flow of functional
operation unit TOC read
Maintenance of laser pickup
Replacement of laser pickup
Description of major ICs

1-12
1-14
1-14
1-15 26

Area Suffix

E -------- Continental Europe
EX ------------ Central Europe

SEL

LOUD

DISP

SSM

SCM

MODE

RND

RPT

Summary of Contents for KD-S580

Page 1: ...ting static electricity Disassembly method Adjustment method 1 2 1 3 1 4 1 11 Flow of functional operation unit TOC read Maintenance of laser pickup Replacement of laser pickup Description of major ICs 1 12 1 14 1 14 1 15 26 Area Suffix E Continental Europe EX Central Europe SEL LOUD DISP SSM 4 CD FM AM SCM MODE 7 8 9 10 11 12 RND RPT MO ...

Page 2: ...ement return the shorted parts to their original condition Refer to the text 2 Do not use a tester to check the condition of the laser diode in the optical pickup The tester s internal power source can easily destroy the laser diode 4 Handling the traverse unit optical pickup 1 Do not subject the traverse unit optical pickup to strong shocks as it is a sensitive complex unit 2 Cut off the shorted ...

Page 3: ...following procedure remove the front panel assembly Release the four joint tabs a on both sides of the front chassis assembly and remove the front chassis assembly toward the front 1 Removing the front chassis assembly See Fig 2 and 3 Disassembly method Main body Fig 1 Fig 2 Fig 3 Front panel assembly Eject button Tab a Tab a Front chassis assembly Front chassis assembly Heat sink Tab a Tab a ...

Page 4: ...ve the front panel assembly the front chassis assembly and the heat sink Turn over the body and unjoint the five joints b with the bottom cover and the body using a screwdriver 1 Removing the bottom cover See Fig 5 and 6 Fig 4 Fig 5 Fig 6 Heat sink A A Joints b Joints b Joint b Joints b Joints b Joint b Bottom cover Bottom cover Rear panel Rear panel ...

Page 5: ...e bottom of the body Disconnect connector CN501 on the main board in the direction of the arrow 1 2 Removing the main board See Fig 7 and 8 Prior to performing the following procedure remove the front panel assembly the front chassis assembly the heat sink the bottom cover and the main board Remove the three screws F attaching the cassette mechanism section on the back of the top chassis 1 Removin...

Page 6: ...ck of the front panel assembly Unjoint the nine joints c with the front panel and the rear cover Remove the control switch board on the back of the front panel 1 2 3 Removing the control switch board See Fig 10 to 12 Fig 10 Fig 11 Fig 12 G G G G Rear cover Joints c Joints c Front panel Rear cover Front panel Control switch board Joints c Joints c ...

Page 7: ...slot j Disconnect the flexible wire from connector on the pickup unit Removing the CD mechanism control board See Fig 1 and 2 Turn the FD gear in the direction of the arrow to move the entire pickup unit to the appropriate position where the flexible wire of the CD mechanism unit can be disconnected easily Refer to Fig 2 ATTENTION Fig 1 Fig 2 Fig 3 Fig 4 Front bracket CD mechanism control board Sh...

Page 8: ...the both sides fix arms and move the fix plates in the direction of the arrow to place the four shafts l as shown in Fig 8 and 9 Remove the CD mechanism ass y and the two springs m attaching the flame Remove the two screws J and both sides rear damper brackets from the dampers Detach the CD mechanism ass y from the left side to the right side 1 2 3 4 Removing the CD mechanism ass y See Fig 1 6 to ...

Page 9: ...p mount nut from the pickup unit Pull out the FD screw 2 Removing the pickup unit See Fig 10 and 11 When reattaching the pickuap unit reattach the part o of the pickup unit then the part n of the FD screw ATTENTION Prior to performing the following procedure remove the CD mechanism control board the front bracket loading motor the CD mechanism ass y and the feed motor ass y Turn up the CD mechanis...

Page 10: ...ection Line out load impedance 20k Output Level Line out 2 0V Vol MAX How to connect the extension cable for adjusting Dummy load Exclusive dummy load should be used for AM and FM For FM dummy load there is a loss of 6dB between SSG output and antenna input The loss of 6dB need not be considered since direct reading of figures are applied in this working standard Standard volume position Balance a...

Page 11: ...oop ON When the laser diode correctly emits Microprocessor commands Rough Servo Mode CLV Servo Mode ProgramArea CLV Servo Mode Lead In Area Digital 0 RF signal Flow of functional operation until TOC read When the pickup correctly moves to the inner area of the disc TERMINAL Microprocessor commands FMO TC9462 53 FEED MOTOR TERMINAL IC581 5 REST SW When the disc correctly rotates Tracking Servo Loop...

Page 12: ... 15 18 Check the pickup and its connections NO YES YES YES Does the S search waveform appear at IC581 pins 17 and 18 Is the disk rotated Does the RF signal appear at TP1 Is 4V present at IC581 pins 7 and 8 Check the spindle motor and its wiring Is 4V present at IC521 pin 55 Check the vicinity of IC581 Check IC501 and IC521 YES NO NO NO NO NO YES YES YES Check the circuits in the vicinity of IC501 ...

Page 13: ...e this adjustment should be performed to match the characteristics of the whole optical block do not touch the semi fixed resistor If the laser power is lower than the specified value the laser diode is almost worn out and the laser pickup should be replaced If the semi fixed resistor is adjusted while the pickup is functioning normally the laser pickup may be damaged due to excessive current Turn...

Page 14: ...TT DET 9V CTRL CD8V AJ ILMI GND Output voltage is VCC 1 V when M or H level applied to CTRL pin Output voltage is VCC 1 V when M or H level to CTRL pin and H level to ANT CTRL Connected to ACC Regular 5 7V Output voltage is 5V when M or H level applies to CTRL pin Output for ACC detector L ANT output OFF H ANT output ON Connected to VCC Low battery detect Output voltage is 9V when M or H level app...

Page 15: ...A 12 CS BDO 13 BDO 14 CS BRT 15 OFTR 16 NRFDET 17 GND 18 36 PDAC 35 PDBD 34 PDF 33 PDE 32 PDER 31 PDFR 30 TBAL 29 FBAL 28 EF 27 EF OUT 26 TE 25 TE OUT 24 CROSS 23 TE BPF 22 VDET 21 LD OFF 20 VREF 19 ENV 30 24 25 26 23 22 1 4 3 33 32 34 31 36 35 13 14 15 16 20 2 21 6 29 7 28 27 8 9 10 17 11 12 19 ENV CURCUIT RF DET AGC EQ BDO OFTR VCBA VCBA VCBA VCBA ...

Page 16: ... terminal ARF output terminal RF detection capacity connection terminal HPF amp capacity connection terminal Capacity connection terminal for RF discernment side envelope detection BDO output terminal Capacity connection terminal for RF discernment side envelope detection OFTR output terminal RFDET output terminal Connect to GND 3TENV output terminal VREF output terminal APC OFF control terminal V...

Page 17: ...T 2 PWR GND2 R F IN 3 IN 4 PRE GND ON TIME C Muting ON Time Control Circuit Protective circuit Protective circuit Mute circuit Ripple Filter Stand by Switch N C 0 22 F 2200 F 0 022 F 0 22 F TAB 5V ST ON 47 F 0 22 F 0 22 F 22 F Mute 10K 3 3 F OUT 3 OUT 3 Low Level Mute ON PWR GND3 OUT 4 OUT 4 PWR GND4 LA4743K IC321 Power AMP 1 Block diagram ...

Page 18: ...9 20 21 22 23 24 25 Symbol Pin No Function Header of IC Power GND Outpur for front Rch Stand by input Output for front Rch Power input Output for rear Rch Power GND Output for rear Rch Ripple filter Rear Rch input Front Rch input Signal GND Front Lch input Rear Lch input Power on time control Output for rear Lch Power GND Output for rear Lch Power input Output for front Muting control input Output...

Page 19: ...27 26 25 24 23 22 21 20 19 18 17 16 15 FR 1 2 3 4 5 6 7 8 9 10 11 12 13 14 FR CH 3 4 5 Power supply Output control CH5 CH4 CH2 CH1 CH3 22K 11K 5VREG PNPTr The outside puuting 22K 22K 22K 11K 11K 11K CH1 2 Power supply LA6567H X IC541 CD DRIVE 1 Pin layout blockdiagram Level shift Level shift Level shift Level shift Thermal shutdown Input Signal system power supply ...

Page 20: ...stment Regulator terminal Outside putting PNP base Regulator terminal Outside putting PNP collector Standard voltage input terminal Signal system power supply It is short with VCC1 VCC2 CH4 Input terminal For gain adjustment CH4 Input terminal 5CH VLO Output voltage set terminal Signal system GND 5CH VLO Signal output switch terminal FWD Input of logic of loading part 5CH VLO Signal output switch ...

Page 21: ...enable port No use No use No use No use CD loading motor output CD loading motor output No use No use No use Output for initial setting diode matrix Output for initial setting diode matrix Output for initial setting diode matrix Front panel detect No use Input for initial setting diode matrix Input for initial setting diode matrix 5V power supply port B CD mechanism detect switch CD LSI reset CD L...

Page 22: ... Active Low Tracking lock signal output Active low CD LSI sense signal CD LDI status signal power save 2 B detect Station detection Stereo signal input H SD Remocon input No use FM AM band selection FM mono selection During FM auto search IF request output H after SD detected During AM suto search AGC output Muting switch Level meter input S meter input Control to GND Key 2 input port Key 1 input ...

Page 23: ...nput Common driver output pins The frame frequency is given by t0 fosc 384 Hz Power supply connection Provide a voltage of between 4 5 and 6 0V Display turning off input pin INT L Vss off S1 to S52 COM1 to COM3 L INT H VDD on Serial data can be transferred in display off mode Used for applying the LCD drive 2 3 bias voltage externally Must be connected to VDD2 when a 1 2 bias drive scheme is used ...

Page 24: ...E ICL IMO IBL IAL Serial data input output Ground output left rear output left front Treble control capacitor left channel or input from an external equalizer Bass control capacitor left channel or output to an external equalizer Bass control capacitor left channel Input volume 1 left control part Input loudness left control part Output source selector left channel Not used Not used Input C left s...

Page 25: ...KD S621 1 26 8 7 6 5 4 3 2 1 V B OUTPUT B INPUT B INPUT A INPUT A INPUT A OUTPUT V NJM4565M WE IC151 Ope amp ...

Page 26: ...RESET STATUS SUBQ SQCK BLKCK TLOCK FLOCK MLD MDATA MCLK TBAL FBAL FE TE TRCRS VDET LDON ARF BDO OFTR RFDET RFENV OUT L OUT R CD LCH CD RCH CJ601 IC602 REMOCON S601 S620 KEY MATRIX KEY0 KEY1 KEY2 REMOCON IC601 LCD DRIVER LCD1 CN801 TU701 FM AM TUNER IC801 MICON IC301 E VOL FM AM FM OSC IFC AGC S METER SD ST MONO EQ IC321 POWER AMP IC901 REGULATOR SPK BATTERY EACH BLOCK TU LCH TU RCH OUT LF OUT RF O...

Page 27: ...DTC114EKA X 27k 27k 27k 27k 2SA1037AK RS X 1k LC72366 9A73 3 3k 47k 47k 47k 100 16 4 7 25 47k 1SS355 X 1SS355 X 470 0 01 2SD1781K QR X 2SD1781K QR X 0 2 2k 1k 4 7u VMC0334 001 1k QAU0257 001 2 2k 100 LA4743K 1SS254 T2 1SS254 T2 1SS254 T2 1 50 1 50 0 1 QMFZ047 150 T 0 1 0 1 0 1 1 50 1 50 22 16 1k 2 2 50 TEA6320T X DTA114EKA X 2SB1197K QR X 10k 2SC2412K R X 2SC2412K R X 2 2 50 0 001 1k 10k 1 5k 1k 2...

Page 28: ...220 6 3 0 01 27k 12k 22k 22k 22k 22k 150p BT BT TP TP QGB2027M1 26S GND GND GND 0 033 0 001 0 001 22 16 1k 220k 0 20k 1k 100 10 68p 1M 0 01 100k 220 10 4 7U 1k 2SA1706 ST T 0 001 8 2k 0 0 001 0 001 0 0015 22 100 10 22 100 10 0 01 3p 3 9k 0 1 1 50 100p 0 027 0 0047 0 01 100 10 0 1 0 22 270k 150k 220k 0 27 0 1 0 01 0 47 1k 0 01 220 33k 220 100 10 100 10 0 1 0 01 8 2k 0 0018 0 0012 BT BT GND GND IC2 ...

Page 29: ... RPM6938 SV4 10k 4 7 6 3 0 012 FM VOL EJECT SCM MODE VOL 6 5 4 2 DOWN UP LC75823W QLD0210 002 1 1SS355 X VMC0335 001 2 2k 10k 10k 10k 1 5k 680 560 910 1 2k 680 560 1 5k 1 2k 910 680 680 560 680 910 1 2k 2 2k 680 UDZS5 1B X UDZS5 1B X 820 510 470 510 510 270 510 820 1 5k 270 270 1 5k 270 51k 0 022 680P 820 820 820 UDZS6 2B X R5V ILL_10V COM1 S32 S31 REMOCON S30 S29 S28 S27 S26 COM2 S25 S24 S23 S22 ...

Page 30: ...w of general assembly and parts list Block No M M M 1 Main board Front board 41 9 13 12 35 38 5 39 4 8 48 8 48 47 8 46 42 44 40 43 45 2 6 1 6 24 7 7 10 3 9 16 11 15 14 31 27 28 23 22 21 26 29 19 31 30 36 32 33 34 6 25 20 17 18 ...

Page 31: ... GE20119 001A PRESET BUTTON 1 20 GE30304 001A POWER BUTTON 1 21 GE30305 001A EJECT BUTTON 1 22 GE20131 001A D FUNC BUTTON 1 FM CD AM 23 GE30307 001A SND FTN BUTTON 1 24 GE20130 001A PUSH BUTTON 1 25 GE20118 001A BUTTON 1 26 GE20120 001A UP DOWN BUTTON 1 27 GE30306 001A DETACH BUTTON 1 28 FSKW3002 012 COMP SPRING 1 FOR DETACH BUTTON 29 GE30117 001A LIGHT LENS 1 30 GE10038 001A REAR COVER 1 31 VKZ47...

Page 32: ... 7 6 19 18 105 48 43 50 41 42 103 49 49 56 107 131 36 107 107 38 32 33 130 106 29 108 106 135 104 107 40 63 39 51 52 109 132 86 113 113 134 80 117 92 84 79 88 93 22 22 89 62 81 82 116 102 101 108 100 133 57 d d c a d a b c b TN CCD1001Z 136J CD mechanism assembly and parts list Block No M M M B Grease G 31SA G 31SA Bottom side RX 405 ...

Page 33: ...0310149T REAR DAM BKT Z 1 22 30310151T HUNG UP SP FZ 2 23 30310129T HUNG UP SP R 2 29 30300510T PU GEAR B 1 32 30310544T F M BASE Z 1 33 30310547T FD GR BLK Z 1 36 30310546T PU GUIDE Z 1 38 30310533T THRUST SPR M 1 39 30310548T PU M NUT Z 1 40 30310512T NUT PUSH SPR PL 1 41 30310558T CLP ARM Z 1 42 30310514T CLP ARM SPRING 1 43 30310552T CLAMPER Z 1 48 30310557T CLAMPER PLATE Z 1 49 30310524T DAMP...

Page 34: ... 9C2020401T C SCREW TS G 5 M2X4 102 9C4320403T C B TAP SCREW 4 M2X4 103 9C0117223T SCREW 2 M1 7X2 2 104 9C0917703T C TAP SCREW S3 1 M1 7X7 105 9C0320201T C TAP SCREW S3 1 M2X2 106 9C4920013T C TAP SCREW S3 2 M2X10 107 9C4920603T C TAP SCREW B3 4 M2X6 108 9P0220031T TAMS SCREW 2 M2X3 109 9C0314203T C TAP SCREW 1 M1 4X2 110 9C0420253 C TAP SCREW 1 M2X2 5 113 9W0330276 NW BLUE 2 2 9X5X0 3 116 9W07250...

Page 35: ...1 0MF 20 50V C 509 NDC31HJ 101X C CAPACITOR C 510 NCB31EK 273X C CAPACITOR C 511 NCB31HK 472X C CAPACITOR C 512 NCB31HK 103X C CAPACITOR C 513 NDC31HJ 331X C CAPACITOR C 514 NCB31EK 104X C CAPACITOR C 515 NCB31EK 103X C CAPACITOR C 516 QEKJ1AM 107Z E CAPACITOR 100MF 20 10V C 518 NCB31AK 224X C CAPACITOR C 519 NCB31EK 473X C CAPACITOR C 520 NDC31HJ 470X C CAPACITOR C 521 NCS31HJ 561X C CAPACITOR C ...

Page 36: ...02 DTC144EKA X TRANSISTOR Q 731 2SC1623 5 6 X TRANSISTOR Q 732 2SC1623 5 6 X TRANSISTOR Q 791 2SB1197K QR X TRANSISTOR Q 792 2SA812 5 6 X TRANSISTOR Q 793 DTC114EKA X TRANSISTOR Q 861 DTA114EKA X DIGI TRANSISTOR Q 902 2SC1623 5 6 X TRANSISTOR Q 903 2SA812 5 6 X TRANSISTOR R 101 NRSA63J 471X MG RESISTOR R 102 NRSA63J 752X MG RESISTOR R 151 NRSA63J 183X MG RESISTOR R 152 NRSA63J 123X MG RESISTOR R 1...

Page 37: ...NRS181J 100X MG RESISTOR R 798 NRSA63J 223X MG RESISTOR R 799 NRSA63J 473X MG RESISTOR R 801 NRS181J 103X MG RESISTOR R 803 NRS181J 332X MG RESISTOR R 804 NRS181J 332X MG RESISTOR R 805 NRS181J 332X MG RESISTOR R 807 NRS181J 473X MG RESISTOR R 808 NRS181J 102X MG RESISTOR R 809 NRS181J 103X MG RESISTOR R 810 NRSA63J 104X MG RESISTOR R 811 NRSA63J 332X MG RESISTOR R 812 NRSA63J 332X MG RESISTOR R 8...

Page 38: ...A63J 561X MG RESISTOR R 614 NRSA63J 681X MG RESISTOR R 615 NRSA63J 911X MG RESISTOR R 616 NRSA63J 122X MG RESISTOR R 617 NRSA63J 152X MG RESISTOR R 631 NRSA02J 821X MG RESISTOR R 632 NRSA02J 821X MG RESISTOR R 633 NRSA02J 821X MG RESISTOR R 634 NRSA02J 511X MG RESISTOR R 635 NRSA02J 511X MG RESISTOR R 636 NRSA02J 152X MG RESISTOR R 637 NRSA02J 152X MG RESISTOR R 638 NRSA02J 221X MG RESISTOR R 639 ...

Page 39: ...KD S621 3 12 Packing materials and accessories parts list Block No M M M 3 Block No M M M 5 P1 A1 A5 P1 A1 P8 P5 P7 P6 P8 A13 A6 A15 A14 KIT A7 A11 P2 P3 P4 A12 ...

Page 40: ...a A Parts list Accessories Q ty Description Block No M5MM A 1 GET0066 001A INST BOOK 1 A 2 GET0066 002A INST BOOK E 1 A 3 GET0066 003A INSTALL MANUAL 1 A 4 GET0066 004A INSTALL MANUAL E 1 A 5 BT 54013 2 W CARD 1 A 6 LV40978 001A CAUTION SHEET 1 A 7 VKZ4027 202 PLUG NUT 1 A 8 VKH4871 001SS MOUNT BOLT 1 A 9 VKZ4328 001 LOCK NUT 1 A 10 WNS5000Z WASHER 1 A 11 FSKL4010 002 HOOK 2 A 12 FSJB3001 30C HARD...

Page 41: ...KD S621 VICTOR COMPANY OF JAPAN LIMITED MOBILE ELECTRONICS DIVISION PERSONAL MOBILE NETWORK BUSINESS UNIT 10 1 1Chome Ohwatari machi Maebashi city 371 8543 Japan No 49675 200201 ...

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