JVC KD-S577 Service Manual
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JVC KD-S577 Service Manual

JVC KD-S577 Service Manual

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SERVICE MANUAL
CD RECEIVER
KD-S577
Contents
Safety precaution
Preventing static electricity
Location of main parts
Disassembly method
Adjustment method
Flow of functional operation until TOC read
Maintenance of laser pickup
Replacement of laser pickup
Description of major ICs
COPYRIGHT
COMPACT
DIGITAL AUDIO
2001 VICTOR COMPANY OF JAPAN, LTD.
KD-S577
Area Suffix
UR ---- Brazil
1-2
1-3
1-4
1-5
1-10
1-11
1-13
1-13
1-14
No.49629
Apr. 2001

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Summary of Contents for JVC KD-S577

  • Page 1 KD-S577 SERVICE MANUAL CD RECEIVER KD-S577 COMPACT Area Suffix DIGITAL AUDIO UR ---- Brazil Contents Safety precaution Preventing static electricity Location of main parts Disassembly method Adjustment method 1-10 Flow of functional operation until TOC read 1-11 Maintenance of laser pickup...

  • Page 2: Safety Precaution

    KD-S577 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...

  • Page 3: Preventing Static Electricity

    KD-S577 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: Location Of Main Parts

    KD-S577 Location of main parts Control unit LED & key control board Display Main uni Main board ISO connector Antenna jack Tuner pack Power IC Main board Connector to controller CD mechanism Loading motor Mechanism relay board Damper Spindle motor...

  • Page 5: Disassembly Method

    KD-S577 Disassembly method Removing the front panel unit (See Fig.1) 1. Press the release switch and remove the front panel unit in the direction of the arrow. Release switch Fig.1 Removing the front chassis (See Fig.2) 1. Insert a screwdriver to the two joints a on the side...

  • Page 6: Removing The Mainboard

    KD-S577 Main board CN501 Removing the main board (See Fig.5 and 6) Remove the front chassis. Remove the bottom cover. Remove the two screws B attaching the main board assembly on the bottom of the body. Remove the three screws C attaching the main board assembly on the back of the body.

  • Page 7: Cd Mechanism Section

    KD-S577 Damper bracket <CD mechanism section> CD mechanism assembly Removing the CD mechanism control board (See Fig.1 and 2) Unsolder the part a and b 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 8 KD-S577 assembly Damper bracket CD mechanism Removing the CD mechanism assembly (See Fig.1, 6 to 9) Prior to performing the following procedure, remove the CD mechanism control board and the front bracket (loading motor). Remove the three screws D and the damper bracket.

  • Page 9: Removing The Pickup Unit

    KD-S577 Removing the feed motor assembly FD screw Part i Feed motor assembly (See Fig.10) Prior to performing the following procedure, remove the CD mechanism control board, the front bracket Part j (loading motor) and the CD mechanism assembly. Remove the two screws F and the feed motor assembly.

  • Page 10: Adjustment Method

    6. Digital tester FM 87.5MHz ~ 108.0MHz 7. Tracking offset meter MW 531kHz ~ 1602 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 11: Flow Of Functional Operation Until Toc Read

    KD-S577 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 Microprocessor Microprocessor Disc inserted commands commands TC9462 "53"...

  • Page 12: Feed Section

    KD-S577 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 13: Maintenance Of Laser Pickup

    KD-S577 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 14: Description Of Major Ics

    KD-S577 Description of major ICs HA13158A (IC321) : Power amp 1. Pin layout 2. Block diagram PVCC2 PVCC1 INVCC STBY INPUTBUFFER1 AMP1 INPUTBUFFER2 AMP2 INPUTBUFFER3 AMP3 INPUTBUFFER4 AMP4 MUTE PROTECTOR (ASO SURGE, TSD) 1-14...
  • Page 15 KD-S577 MN35510(IC561):Digital servo & digital signal processor 1. Terminal Layout 20 ~ 41 ~ 2. Block Diagram LRCKIN(MSEL) AVSS1 8TIMES BCLK(SSEL) AVDD1 DIGITAL OVER SAMPUNC SRDATAIN OUTR DEEMPHSIS DIGITAL FILTER 1BIT (PSEL) LOGIC IOSEL CLVS BLKCK OUTL CLDCK SBCK SUBC...
  • Page 16 KD-S577 3. Description MN35510 symbol I/O Description symbol I/O Description BCLK Not used Tracking error shunt signal output(H:shunt) LRCK Not used PLAY Not used SRDATA WVEL Not used Not used Power supply (Digital) DVDD1 RF signal input DVSS1 Connected to GND...

  • Page 17: Pin Layout

    KD-S577 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 CS BRT LD OFF OFTR VREF /NRFDET 2.Block diagram...

  • Page 18: Pin Function

    KD-S577 3. Pin function Pin No. Symbol Function 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 RF OUT RF IN RF input Connecting pin of AGC loop filter C.AGC...
  • Page 19 KD-S577 LA6567H-X(IC541) : Servo BTL 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 VC2+ VREF-IN 5VREG(PNPT r The outside puuting) V02-...
  • Page 20 KD-S577 2. Pin function LA6567H-X(2/2) 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(+) V03- CH3 Output terminal(-)
  • Page 21 KD-S577 LC72366-9989 (IC801) : Main micon 1. Pin layout 80 ~ 65 25 ~ 40 2. Pin function Symbol Function Symbol Function 4.5MHz crysral oscillation CD ON CD 8V supply on TEST2 Connect to ground RELAY 5V power control J BUS SI...
  • Page 22 KD-S577 HA13164(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 VDD OUT ANT CTRL 0.1u...
  • Page 23 KD-S577 TEA6320T-X(IC301) : E.VOLUME 1.Terminal 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 VOLUME 2 LEFT LEFT...
  • Page 24 KD-S577 NJM4565M (IC151) : Operational Amp A OUTPUT A INPUT B OUTPUT B INPUT A INPUT B INPUT 1-24...
  • Page 25 KD-S577 VICTOR COMPANY OF JAPAN, LIMITED MOBILE ELECTRONICS DIVISION PERSONAL & MOBILE NETWORK BUSINESS UNIT. 10-1,1Chome,Ohwatari-machi,Maebashi-city,Japan Printed in Japan (No.49629) 200104(V)

  • Page 26: Parts List

    KD-S577 PARTS LIST [ KD-S577 ] * All printed circuit boards and its assemblies are not available as service parts. Area suffix UR --------------------------- Brazil - Contents - Exploded view of general assembly and parts list 3- 2 CD mechanism assembly and parts list...

  • Page 27: Exploded View Of General Assembly And Parts List

    KD-S577 Exploded view of general assembly and parts list Block No.
  • Page 28 KD-S577 Parts list (General assembly) Block No. M1MM Item Parts number Parts name Q'ty Description Area --------------- CD MECHA FSJC1029-401SSF CHASSIS BASE FSMH3001-202 SIDE PANEL FSKM3011-002 BOTTOM COVER FSMA3004-203 INSULATOR QYSDST2604Z SCREW CHASSIS+MECHA B FSKZ4005-001 SCREW CHASSIS+SIDE PA QYSDST2604Z SCREW...

  • Page 29: Cd Mechanism Assembly And Parts List

    KD-S577 CD mechanism assembly and parts list Block No. Grease TN-CCD1001Z-136J G-31SA G-31SA(Bottom side) RX-405 106 29...
  • Page 30 KD-S577 Parts list (CD mechanism) Block No. M2MM Item Parts number Parts name Q'ty Description Area 30310101T FRAME 30310103T DANPER PIN 30310107T UPPER PLATE 30310108T SEL STOP PLATE 30310142T SEL ARM (L)L 30310143T SEL ARM (R)L 30310145T S ARM SPRING(L)

  • Page 31: Parts List (Cd Mechanism)

    KD-S577 Parts list (CD mechanism) Block No. M2MM Item Parts number Parts name Q'ty Description Area 64180403T DET SWITCH ESE22MH3 68150232T CONNECTOR TKC-W26X-C1 30311105T SOPPORT PLATE 30311138T GR MT BLK(N) 30311109T LDG GEAR (2) 30311110T LDG GEAR (3) 30311112T LDG GEAR (5)
  • Page 32 KD-S577 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 517 NCS31HJ-821X C CAPACITOR C 151 NCB31HK-102X C CAPACITOR...
  • Page 33 KD-S577 Electrical parts list (Main board) Block No. 01 Item Parts number Parts name Remarks Area Item Parts number Parts name Remarks Area CN501 QGB2027M1-26S CONNECTOR R 302 NRSA63J-222X MG RESISTOR CN801 VMC0334-001 CONNECTOR R 303 NRSA63J-473X MG RESISTOR CN901...
  • Page 34 KD-S577 Electrical parts list (Main board) Block No. 01 Item Parts number Parts name Remarks Area R 703 NRSA63J-102X MG RESISTOR R 704 NRSA63J-0R0X MG RESISTOR R 705 NRSA63J-103X MG RESISTOR R 708 NRSA63J-822X MG RESISTOR R 725 NRSA63J-820X MG RESISTOR...
  • Page 35 KD-S577 Electrical parts list (Front board) Block No. 02 Item Remarks Item Parts number Parts name Remarks Area Parts number Parts name Area C 601 NCB21HK-223X C CAPACITOR R 652 NRSA63J-222X MG RESISTOR C 602 NCS31HJ-681X C CAPACITOR R 653...

  • Page 36: Packing Materials And Accessories Parts List

    KD-S577 Packing materials and accessories parts list Block No. Block No. A5 A9 A1 A4 Parts list (Packing) Block No. M3MM Item Parts number Parts name Q'ty Description Area --------------- PACKING CASE --------------- CUSHON --------------- POLY BAG --------------- POLY BAG INST.BOOK...

  • Page 37: Block Diagram

    KD-S577 Block diagram FRONT LCH REAR LCH TU701 ANT. FM / AM REAR LCH TUNER FRONT LCH IC301 IC321 POWER AMP MONO E. VOLUME FRONT RCH REAR RCH SD/ST S.METER REAR RCH FRONT RCH IF.C KEY 0~2 FMOSC IC601 LCD DRIVER LCD.CE, LCD.SO, LCD-CLK...

  • Page 38: Standard Schematic Diagrams

    KD-S577 Standard schematic diagrams Main amp. section Tuner signal TU701 CD signal QAU0205-001 Front signal L701 CJ701 QNZ0009-001 33uH Rear signal Q861 MUTE DTA114EKA-X D867 R703 DAN202U-X R701 D866 MA152WA MUTE.CONT R333 R334 Q332 2SD1048 R731 R336 2.2K Q791 2SB1197 1.5K...
  • Page 39 KD-S577 CD servo & control section D551 DSK10C C551 220/10 C541 22/16 C543 C561 0.022 0.01 Q541 2SA1706 REST CD8V CD.RESET% STATUS KICK SUBQ IC541 SQCK CD.SENSE LA6567H-X MDATA IC561 FBAL MCLK MN35510 C574 0.01 TBAL CD.RCH A.GND CD.LCH R550 C573 220/6.3...
  • Page 40 KD-S577 LCD & key conterol section 4.7/6.3 4.7/6.3 C611 C611 C612 C612 0.012 0.012 R661 R661 CJ601 CJ601 VMC0335-001 VMC0335-001 IC602 IC602 RPM6938-SV4 RPM6938-SV4 ILL10V ILL10V ILL10V ILL10V LCD1 LCD1 REMOCON REMOCON LCD_CLK LCD_CLK LCD_SO LCD_SO LCD_CE LCD_CE KEY0 KEY0...

  • Page 41: Printed Circuit Boards

    KD-S577 Printed circuit boards Main board D904 D861 R436 C331 R861 C915 R434 D866 Q332 R911 D901 C913 C328 C910 Q902 C909 C155 C914 C905 C902 Q432 D332 R154 C908 L701 C152 TU701 R307 C907 R308 R151 AMANT IC301 R734...
  • Page 42 KD-S577 LCD & key control board (Forward side) (Reverse side) D642 C602 R657 R658 S603 S602 R641 S607 R606 R601 R635 R631 R604 R605 S618 R652 R633 R632...

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