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JVC KD-S580 Service Manual
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JVC KD-S580 Service Manual

JVC KD-S580 Service Manual

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SERVICE MANUAL
The new CD mechanism is installed in this set.
How to distinguish the new CD mechanism is displayed in a nameplate central upper row as "J2".
Contents
Safety precaution
Preventing static electricity
Disassembly method
Adjustment method
CD RECEIVER
KD-S580
DIRECT
TRACK
ACCESS
MO
RPT
1-2
1-3
1-5
1-19
COPYRIGHT
2002 VICTOR COMPANY OF JAPAN, LTD.
FM
CD
SSM
AM
RND
MODE
SCM
J ------ Northern America
Flow of functional
operation unit TOC read
Maintenance of laser pickup
Replacement of laser pickup
Description of major ICs
KD-S580
Area Suffix
1-20
1-22
1-22
1-23
No.49666B
Aug. 2002

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Summary of Contents for JVC KD-S580

  • Page 1 KD-S580 SERVICE MANUAL CD RECEIVER KD-S580 DIRECT TRACK ACCESS MODE Area Suffix J ------ Northern America The new CD mechanism is installed in this set. How to distinguish the new CD mechanism is displayed in a nameplate central upper row as "J2".
  • Page 2 KD-S580 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 KD-S580 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 KD-S580 < M E M O >...
  • Page 5 KD-S580 Disassembly <Main body> Removing the front panel assembly (See Fig.1) Push the release bottom in the lower right part of the front panel and remove the front panel assembly in the direction of the arrow. Front panel assembly Release bottom Fig.1...
  • Page 6 KD-S580 Removing the bottom cover Bottom cover Joint c (See Fig.5, 6) Prior to performing the following procedure, remove the front panel assembly, the front chassis assembly and the heat sink. Turn over the body and release the two joints c the two joints d and the joint e .
  • Page 7 KD-S580 Removing the CD mechanism assembly CD mechanism assembly (See Fig.9) Prior to performing the following the procedure, remove the front panel assembly, the front chassis, the heat sink, the bottom cover, the rear panel and the main board assembly.
  • Page 8 KD-S580 < CD mechanism section > Removing the top cover (See Fig.1 and 2) Remove the two screws A on each side of the body. Top cover Joints a Lift the front side of the top cover and move the cover backward to release the two joints a.
  • Page 9 KD-S580 Removing the DET switch (See Fig.3 and 6) Extend the two tabs c of the feed sw. holder and pull out the switch. DET switch Unsolder the DET switch wire if necessary. Connector board Removing the chassis unit (See Fig.7 and 8)
  • Page 10 KD-S580 Removing the clamper assembly (See Fig.9 and 10) Prior to performing the following procedure, remove Clamper arm the top cover. spring Remove the clamper arm spring. Move the clamper assembly in the direction of the arrow to release the two joints d.
  • Page 11 KD-S580 Feed sw. holder Removing the pickup unit (See Fig.13 to 17) Joint f Prior to performing the following procedure, remove the top cover, the connector board and the chassis unit. Remove the screw D and pull out the pu. shaft holder from the shaft.
  • Page 12 KD-S580 Removing the trigger arm (See Fig.18 and 19) Joint k Prior to performing the following procedure, remove the top cover, the connector board and the clamper unit. Trigger arm Turn the trigger arm in the direction of the arrow to release the joint k and pull out upward.
  • Page 13 KD-S580 Link plate Joint r Removing the select arm (L) / select lock Select arm (L) Select arm (R) arm (See Fig.21 and 22) Select lock arm Prior to performing the following procedure, remove the top plate assembly. Bring up the select arm (L) to release from the link plate (joint r) and turn in the direction of the arrow to release the joint s.
  • Page 14 KD-S580 Joint a' Link plate Removing the select arm (R) / link plate Select arm (L) Joint z Select arm (R) (See Fig.21 and 22) Select lock arm Prior to performing the following procedure, remove the top plate assembly. Joint z...
  • Page 15 KD-S580 Roller guide Removing the loading roller assembly Washer (See Fig.27 to 29) Loading roller assembly Prior to performing the following procedure, remove the clamper assembly and the top plate assembly. Roller guide Push inward the loading roller assembly on the gear side and detach it upward from the slot of the joint d’...
  • Page 16 KD-S580 Removing the loading gear (5), (6) and Loading gear bracket (7) (See Fig.31 and 32) Loading gear (6) Prior to performing the following procedure, remove the top cover, the chassis unit and the top plate assembly. Remove the screw J...
  • Page 17 KD-S580 Removing the gears (See Fig.33 to 36) Prior to performing the following procedure, remove the top cover, the chassis unit, the top plate assembly and the pickup unit. Slot j' Pull out the loading gear(3).(see Fig.31) Slide plate Pull out the feed gear.
  • Page 18 KD-S580 Removing the turn table / spindle motor Turn table (See Fig.37 and 38) Prior to performing the following procedure, remove the top cover, the connector assembly and the chassis / clamper assembly. Remove the two screws K attaching the spindle motor assembly through the slot of the turn table on top of the body.
  • Page 19 FM 87.5MHz ~ 107.9MHz 6. Digital tester AM 530kHz ~ 1710 kHz 7. Tracking offset meter 8. Test Disc JVC :CTS-1000 9. Extension cable for check EXTSH002-22P 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 20 KD-S580 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 21 KD-S580 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 22 KD-S580 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 23 KD-S580 Description of major ICs HA13164A (IC901) : Regulator 1.Pin 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 24 KD-S580 AN8806SB-W (IC501) : RF & amp. 1.Pin layout 36 PDAC PD 1 35 PDBD LD 2 LDON 3 34 PDF LDP 4 33 PDE 32 PDER VCC 5 31 PDFR RF- 6 30 TBAL RF OUT 7 29 FBAL RF IN 8 C.AGC 9...
  • Page 25 KD-S580 3. Pin function AN8806SB-W Pin No. Symbol Function APC amp . Input terminal APC amp . Output terminal LD ON LD ON/OFF control terminal Connect to GND Power supply RF amp . Reversing input terminal RFamp . Output terminal...

  • Page 26: Table Of Contents

    KD-S580 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 PWR GND2 ST BY Stand by Switch...
  • Page 27 KD-S580 2.Terminal layout 3.Pin function LA4743K Pin No. Symbol Function Header of IC Power GND Outpur(-) for front Rch Stand by input STDBY Output (+) for front Rch Power input Output (-) for rear Rch Power GND Output (+) for rear Rch...
  • Page 28 KD-S580 LA6589H-X (IC541) : BTL driver 1.Pin layout / Block diagram VIN1-A VIN1 VIN1_SW H : OP-AMP_A L : OP-AMP_B VIN1+A VIN1-B VCCP1 VIN1+B VO1+ S-GND Signal system VO1- VIN1-SW It is ON/OFF as for all outputs. H : ON...
  • Page 29 KD-S580 2. Pin function LA6589H-X Pin no. Symbol Function VIN1-A CH1 input AMP_A reversing input VIN1+A CH1 input AMP_A non-reversing input VCCP1 CH1 and CH2 power steps power supply VO1+ CH1 Output terminal (+) VO1- CH1 Output terminal (-) VO2+...
  • Page 30 KD-S580 LC72366-9B25 (IC801) : Micon 1. Pin function(1/2) Pin No. Symbol Function 4.5MHz crystal oscillation Connect to ground TEST2 OUTPUT(L) J BUS SI OUTPUT(L) J BUS SO OUTPUT(L) J BUS SCK OUTPUT(L) J BUS I/O CONT CD LSI Subcode data input...
  • Page 31 KD-S580 1. Pin function(2/2) LC72366-9B25 Pin No. Symbol Function CD LSI sense signal CD SENSE CD LSI status signal STATUS Power save 2 : +B off detection P.SAVE2 Station detection ("H" : Station is found) SD/ST Stereo indication ("L" : Stereo )
  • Page 32 KD-S580 LC75823W (IC601) : LCD driver 1. Pin Layout & Symbol 64 63 62 61 60 59 58 57 56 55 54 53 52 51 50 49 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 2.

  • Page 33: Block Diagram

    KD-S580 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 VOLUME 2 LEFT...
  • Page 34 KD-S580 MN6627482WA (IC561) : DSP & DAC 1. Pin layout 20 ~ 41 ~ 2.Block diagram AVSS1 LRCKIN(MSEL) 8TIMES AVDD1 BCLK(SSEL) DIGITAL OVER SAMPUNC OUTR SRDATAIN DEEMPHSIS 1BIT DIGITAL FILTER (PSEL) LOGIC IOSEL CLVS BLKCK OUTL CLDCK SBCK SUBC DEMPH...
  • Page 35 KD-S580 3. Pin function Symbol I/O Function Symbol I/O Function Tracking error shunt signal output (H:shunt) BCLK Not used PLLF2 LRCK Not used TOFS Not used SRDATA WVEF Not used Not used DVDD1 Power supply (Digital) RF signal input DVSS1...

  • Page 36: Out

    KD-S580 NJM4565M-WE (IC151) : CD L.P.F. A OUTPUT A INPUT B OUTPUT A INPUT B INPUT B INPUT RPM6938-SV4 (IC602) : Remote sensor 1.Pin layout 2.Block diagram Comp Rout Detector conversion trimming circuit magnetic shield 1-36...
  • Page 37 KD-S580 VICTOR COMPANY OF JAPAN, LIMITED MOBILE ELECTRONICS DIVISION PERSONAL & MOBILE NETWORK BUSINESS UNIT. 10-1,1Chome,Ohwatari-machi,Maebashi-city,371-8543,Japan 200208 (No.49666B)