JVC KD-S685 Service Manual
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JVC KD-S685 Service Manual

JVC KD-S685 Service Manual

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QQ
3 7 63 1515 0
SERVICE MANUAL
TE
L 13942296513
Contents
www
.
http://www.xiaoyu163.com
CD RECEIVER
KD-S685/KD-S585
LOUD
SEL
LOUD
SEL
KD-S585
KD-S585 is without REMOTE CONTROLLER.
x
ao
u163
y
i
COPYRIGHT
2002 VICTOR COMPANY OF JAPAN, LTD.
http://www.xiaoyu163.com
2 9
8
DIRECT TRACK ACCESS
3
6 7
1 3
1 5
DIRECT TRACK ACCESS
1-2
Flow of functional
1-3
operation unit TOC read
1-4
1-11
co
.
KD-S685/KD-S585
9 4
2 8
0 5
8
2 9
9 4
2 8
Area Suffix
U ----------------- Other Areas
1-12
1-14
1-14
1-15~28
m
9 9
9 9
No.49685
Feb. 2002

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  • Page 1: Table Of Contents

    KD-S685/KD-S585 3 7 63 1515 0 SERVICE MANUAL CD RECEIVER KD-S685/KD-S585 DIRECT TRACK ACCESS LOUD KD-S685 L 13942296513 DIRECT TRACK ACCESS LOUD KD-S585 Area Suffix U ----------------- Other Areas KD-S585 is without REMOTE CONTROLLER. Contents Safety precaution Flow of functional...

  • Page 2: Kd-S685

    KD-S685/KD-S585 3 7 63 1515 0 Safety precaution Burrs formed during molding may be left over on some parts of the chassis. Therefore, pay attention to such burrs in the case of preforming repair of this system. Please use enough caution not to see the beam directly or touch it in case of an adjustment or operation check.

  • Page 3: Preventing Static Electricity

    KD-S685/KD-S585 3 7 63 1515 0 Preventing static electricity 1.Grounding to prevent damage by static electricity Electrostatic discharge (ESD), which occurs when static electricity stored in the body, fabric, etc. is discharged, can destroy the laser diode in the traverse unit (optical pickup). Take care to prevent this when performing repairs.

  • Page 4: Disassembly Method

    KD-S685/KD-S585 3 7 63 1515 0 Disassembly method <Main body> Removing the front panel assembly (See Fig.1) Press the eject button in the lower right part of the front panel. Remove the front panel assembly from the body. Front panel assembly Eject button Fig.1...
  • Page 5 KD-S685/KD-S585 3 7 63 1515 0 Removing the heat sink (See Fig.4) Remove the three screws A on the left side of the body. Heat sink Fig.4 Joints b Removing the bottom cover (See Fig.5 and 6) Bottom cover...
  • Page 6 KD-S685/KD-S585 3 7 63 1515 0 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 and the bottom cover. Remove the screw B, the four screws C and the...
  • Page 7 KD-S685/KD-S585 3 7 63 1515 0 Removing the control switch board (See Fig.10 to 12) Prior to performing the following procedure, remove the front panel assembly. Remove the four screws G attaching the rear cover on the back of the front panel assembly.
  • Page 8 KD-S685/KD-S585 3 7 63 1515 0 Damper bracket Removing the CD mechanism control CD mechanism ass’y board(See Fig.1 and 2) Unsolder the part f and g on the CD mechanism control board. Remove the stator fixing the CD mechanism control board and the damper bracket (To remove the stator smoothly, pick up the center part).
  • Page 9 KD-S685/KD-S585 3 7 63 1515 0 Removing the loading motor Loading motor (See Fig.3 to 5) Prior to performing the following procedure, remove the CD mechanism control board. Belt Remove the two springs k attaching the CD mechanism ass’y and the front bracket.
  • Page 10 KD-S685/KD-S585 3 7 63 1515 0 Removing the feed motor ass’y Part n FD screw (See Fig.10) Feed motor ass’y Prior to performing the following procedure, remove the CD mechanism control board, the front bracket Part O (loading motor) and the CD mechanism ass’y.

  • Page 11: Adjustment Method

    6. Digital tester FM 87.5MHz ~ 108.0MHz 7. Tracking offset meter AM 531kHz ~ 1620 kHz 8. Test Disc JVC :CTS-1000 9. Extension cable for check EXTGS004-26P 1 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...
  • Page 12 KD-S685/KD-S585 3 7 63 1515 0 Flow of functional operation until TOC read Power ON • When the laser diode correctly Set Function to CD • When the pickup correctly moves emits to the inner area of the disc...

  • Page 13: Q Q

    KD-S685/KD-S585 3 7 63 1515 0 Feed Section Check CD 9V Is the voltage output at Is the wiring for IC521 Is 5V present at IC581 and 5V. IC521 pin "53" 5V or 0V? (90) ~ (100) correct? pin "11"? Check the vicinity of IC521.

  • Page 14: Maintenance Of Laser Pickup

    KD-S685/KD-S585 3 7 63 1515 0 Maintenance of laser pickup (1) Cleaning the pick up lens Before you replace the pick up, please try to clean the lens with a alcohol soaked cotton swab. (2) Life of the laser diode When the life of the laser diode has expired, the following symptoms will appear.

  • Page 15: Description Of Major Ics

    KD-S685/KD-S585 3 7 63 1515 0 Description of major ICs PT6523LQ (IC601) : LCD driver 1. Pin layout 2. Block digagram COM1 COM2 COM3 SG62 -------- SG5 SG4 VDD1 COMMON SEGMENT DRIVER & LATCH DRIVER VDD2 CLOCK GENERATOR L 13942296513...
  • Page 16 KD-S685/KD-S585 3 7 63 1515 0 AN8806SB-W (IC501) : RF & Servo amp. 1.Pin layout PDAC PDBD LDON PDER PDFR TBAL RF OUT FBAL RF IN C.AGC EF OUT C.ENV TE OUT C.EA CROSS CS BDO TE BPF VDET...
  • Page 17 KD-S685/KD-S585 3 7 63 1515 0 3. Pin function Pin No. Symbol Description APC amp input terminal APC amp output terminal LD ON APC ON/OFF control terminal Connect to ground Power supply Inverse input pin for RF amp RFamp output...
  • Page 18 KD-S685/KD-S585 3 7 63 1515 0 LA4743K (IC321) : Power amp 1.Block diagram 2200 F 0.022 F Vcc 1/2 Vcc 3/4 IN 1 OUT 1+ 0.22 F OUT 1- PWR GND1 Protective circuit OUT 2+ IN 2 OUT 2- 0.22 F...
  • Page 19 KD-S685/KD-S585 3 7 63 1515 0 2.Pin layout 3.Pin function Pin No. Symbol Function Header of IC Power GND RFO- Outpur(-) for front Rch STBY Stand by input Output (+) for front Rch RFO+ VCC1/2 Power input RRO- Output (-) for rear Rch...
  • Page 20 KD-S685/KD-S585 3 7 63 1515 0 LA6567H-X (IC541) : CD driver 1.Pin layout & Blockdiagram CH 3,4,5 Thermal shutdown VCC2 Power supply V05- V05+ S-GND V04+ VCONT V04- VIN4 V03+ VIN4G Signal system power supply V03- VCC-S L 13942296513...
  • Page 21 KD-S685/KD-S585 3 7 63 1515 0 2. Pin function Pin no. Symbol Function VCC2 CH3,4,5 Power supply( It is short with VCC1,VCC-S) V05- Loading output(-) V05+ Loading terminal (+) V04+ CH4 Output terminal(+) V04- CH4 Output terminal(-) V03+ CH3 Output terminal(+)
  • Page 22 KD-S685/KD-S585 3 7 63 1515 0 LC72366-9A73 (IC801) : System CPU 1. Pin layout 2. Pin function Pin No. Symbol Function Crystal oscillator input port Connect to ground TEST2 J-BUS SI No use No use J-BUS SO No use...
  • Page 23 KD-S685/KD-S585 3 7 63 1515 0 Pin No. Port Name Function CD 8V supply on CD ON 5V power contorl RELAY Sub-code/block/clock signal output BLKCK No use BEEP CD mechanism detect switch CD mechanism detect switch CD mechanism detect switch...
  • Page 24 KD-S685/KD-S585 3 7 63 1515 0 MN6627482WA (IC561) : Digital servo & Digital signal processer D/A converter 1. Pin layout 20 ~ 41 ~ 2.Block diagram AVSS1 LRCKIN(MSEL) 8TIMES AVDD1 BCLK(SSEL) DIGITAL OVER SAMPUNC OUTR SRDATAIN DEEMPHSIS 1BIT DIGITAL FILTER...
  • Page 25 KD-S685/KD-S585 3 7 63 1515 0 3. Pin function Symbol I/O Function Symbol I/O Function Tracking error shunt signal output (H:shunt) BCLK Not used LRCK Not used PLAY Not used SRDATA WVEL Not used Not used DVDD1 Power supply (Digital)
  • Page 26 KD-S685/KD-S585 3 7 63 1515 0 HA13164A(IC901):Regulator 1.Terminal layout 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 2.Block diagram 100u 0.1u BATT.DET OUT ANT OUT Surge Protector 0.1u EXT OUT COMPOUT BIAS 0.1u...
  • Page 27 KD-S685/KD-S585 3 7 63 1515 0 TEA6320T-X (IC301) : E.volume 1.Pin layout 2.Block diagram VOLUME 2 MUTE 0 to 55 dB FUNCTION BALANCE OUTRR OUTLR ZERO CROSS FENDER REAR POWER DETECTOR OUTRF OUTLF SUPPLY VOLUME 1 BASS TREBLE +20 to -31 dB...
  • Page 28 KD-S685/KD-S585 3 7 63 1515 0 NJM4565M-WE (IC151) : Ope. amp A OUTPUT A INPUT B OUTPUT A INPUT B INPUT B INPUT RPM6938-SV4 (IC602) : Remote sensor 1.Block diagram L 13942296513 Comp Rout Detector conversion trimming circuit magnetic...
  • Page 29 KD-S685/KD-S585 3 7 63 1515 0 < M E M O > L 13942296513 u163 1-29 http://www.xiaoyu163.com...
  • Page 30 KD-S685/KD-S585 3 7 63 1515 0 L 13942296513 u163 VICTOR COMPANY OF JAPAN, LIMITED MOBILE ELECTRONICS DIVISION PERSONAL & MOBILE NETWORK BUSINESS UNIT. 10-1,1Chome,Ohwatari-machi,Maebashi-city,371-8543,Japan 200202 (No.49685) http://www.xiaoyu163.com...
  • Page 31 KD-S685/KD-S585 3 7 6 3 1 5 1 5 0 Block diagram CJ701 TU701 CJ302 TU.LCH FM/AM LINE OUT TU.RCH TUNER REST REST FM/AM MONO SWITCH LOADING FM.OSC IC321 SPINDLE IC301 IC541 CD,SENSE IC561 FEED POWER CD,RESET E.VOL LOADING...
  • Page 32 KD-S685/KD-S585 KD-S685/KD-S585 Standard schematic diagrams 3 7 6 3 1 5 1 5 0 Main amp section TU701 QAU0257-001 CJ701 QNB0100-002 L701 Q861 DTA114EKA-X 4.7u MUTE R201 R703 R101 R701 R333 R334 D332 R336 Q332 2SD1781K/QR/-X 2.2k Q791 1SS355-X...
  • Page 33 KD-S685/KD-S585 3 7 6 3 1 5 1 5 0 CD servo & control section D551 DSK10C-T1 REST C543 C541 0.033 22/16 IC561 Q541 2SA1706/ST/-T MN6627482WA CD8V CD.RESET STATUS IC541 SUBQ LA6557H-X SQCK KICK TLOCK FLOCK C574 FBAL CD.SENSE TBAL 0.01...
  • Page 34 KD-S685/KD-S585 KD-S685/KD-S585 3 7 6 3 1 5 1 5 0 LCD & key control section IC602 RPM6938-SV4 C611 C612 0.012 4.7/6.3 UDZS5.1B-X D644 CJ601 VMC0335-001 LCD1 R661 QLD0210-002 ILL_10V REMOCON LCD.SCK LCD.SD 1 3 9 4 2 2 9 6 5 1 3...
  • Page 35 KD-S685/KD-S585 Printed circuit boards 3 7 63 1515 0 Main board C901 L901 D869 R862 D904 CJ321 D867 R861 D861 IC901 C915 R907 C996 D903 R911 C902 C862 D901 C910 Q903 C905 R903 R902 C906 C303 C331 C909 R909...

  • Page 36: Parts List

    KD-S685/KD-S585 3 7 63 1515 0 PARTS LIST [ KD-S685 ] [ KD-S585 ] * All printed circuit boards and its assemblies are not available as service parts. Area suffix L 13942296513 U --------------------- Other Areas - Contents - 3- 2 Exploded view of general assembly and parts list (Block No.M1)
  • Page 37 KD-S685/KD-S585 3 7 63 1515 0 Exploded view of general assembly and parts list Block No. L 13942296513 u163 http://www.xiaoyu163.com...
  • Page 38 QYSDST2604Z SCREW 3 CHASSIS+REAR BKT QYSDST2606Z SCREW 2 CHASSIS+MAIN PWB SCREW 1 SIDE PANEL+IC BKT FSKZ4005-001 FSJC2013-014 FRONT CHASSIS 1 KD-S685 FSJC2013-013 FRONT CHASSIS 1 KD-S585 FSKS3010-001 LOCK LEVER FSKW4005-003 TORSION SPRING 1 FOR LOCK LEVER FSXP3026-002 RLS KNOB FSKW3002-015 COMP.SPRING...
  • Page 39 KD-S685/KD-S585 3 7 63 1515 0 CD mechanism assembly and parts list Block No. Grease TN-CCD1001Z-136J G-31SA G-31SA(Bottom side) RX-405 L 13942296513 u163 106 29 http://www.xiaoyu163.com...
  • Page 40 KD-S685/KD-S585 3 7 63 1515 0 Parts list (CD mechanism) Block No. MBMM Item Description Parts number Parts name Q'ty Area 30310101T FRAME 30310103T DANPER PIN 30310107T UPPER PLATE 30310108T SEL STOP PLATE 30310142T SEL ARM (L)L SEL ARM (R)L...
  • Page 41 KD-S685/KD-S585 3 7 63 1515 0 Parts list (CD mechanism) Block No. MBMM Item Description Parts number Parts name Q'ty Area 64180403T DET SWITCH 2 ESE22MH3 68150232T CONNECTOR 1 TKC-W26X-C1 30311105T SOPPORT PLATE 30311138T GR MT BLK(N) 30311109T LDG GEAR (2)
  • Page 42 KD-S685/KD-S585 3 7 63 1515 0 Electrical parts list (Main board) Block No. 01 Item Parts number Parts name Remarks Area Item Parts number Parts name Remarks Area C 101 QERF1HM-105Z E CAPACITOR 1.0MF 20% 50V C 516 QEKJ1AM-107Z...
  • Page 43 KD-S685/KD-S585 3 7 63 1515 0 Electrical parts list (Main board) Block No. 01 Item Parts number Parts name Remarks Area Item Parts number Parts name Remarks Area C 906 NCB31EK-104X C CAPACITOR Q 732 2SC2412K/R/-X TRANSISTOR C 907...
  • Page 44 KD-S685/KD-S585 3 7 63 1515 0 Electrical parts list (Main board) Block No. 01 Item Parts number Parts name Remarks Area Item Parts number Parts name Remarks Area R 541 NRS181J-621X MG RESISTOR R 817 NRS181J-472X MG RESISTOR R 542...
  • Page 45 KD-S685/KD-S585 3 7 63 1515 0 Electrical parts list (Front board) Block No. 02 Item Parts number Parts name Remarks Area Item Parts number Parts name Remarks Area C 601 NCB31HK-223X C CAPACITOR R 642 NRSA02J-511X MG RESISTOR C 602...
  • Page 46 KD-S685/KD-S585 3 7 63 1515 0 < M E M O > L 13942296513 u163 3-11 http://www.xiaoyu163.com...
  • Page 47 KD-S685/KD-S585 3 7 63 1515 0 Packing materials and accessories parts list Block No. Block No. A1~A3 L 13942296513 KIT : A4~A8 A13, A14 u163 3-12 http://www.xiaoyu163.com...
  • Page 48 POLY BAG 1 FOR HARD CASE FSYH4036-068 SHEET QPC03004315P POLY BAG 1 FOR SET GE30407-019A PACKING CASE 1 KD-S585 PACKING CASE 1 KD-S685 GE30407-018A GE10036-001A ESP CUSHION Parts list (Accessories) Block No. M5MM Item Parts number Parts name Q'ty Description...

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