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JVC KD-S675 Service Manual
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JVC KD-S675 Service Manual

JVC KD-S675 Service Manual

Cd receiver
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3 7 63 1515 0

SERVICE MANUAL

TE
L 13942296513
Contents
.
http://www.xiaoyu163.com
CD RECEIVER
KD-S675
x
COPYRIGHT
2001 VICTOR COMPANY OF JAPAN, LTD.
2 9
8
Q Q
3
6 7
1 3
1 5
.
9 4
2 8
Area Suffix
U
Other Areas
0 5
8
2 9
9 4
2 8
COMPACT
DIGITAL AUDIO
1- 2
1- 3
1- 4
1-11
1-12
1-14
1-14
1-15~27
m
KD-S675
9 9
9 9
No.49610
Feb. 2001

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Summary of Contents for JVC KD-S675

  • Page 1: Table Of Contents

    KD-S675 3 7 63 1515 0 SERVICE MANUAL CD RECEIVER KD-S675 Area Suffix Other Areas L 13942296513 COMPACT DIGITAL AUDIO Contents Safety precaution 1- 2 Preventing static electricity 1- 3 Disassembly method 1- 4 Adjustment method 1-11 Flow of functional until TOC read...

  • Page 2: Safety Precaution

    KD-S675 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-S675 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-S675 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-S675 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-S675 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-S675 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: Cd Mechanism Section

    KD-S675 3 7 63 1515 0 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 9 KD-S675 3 7 63 1515 0 Damper bracket assembly 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).
  • Page 10 KD-S675 3 7 63 1515 0 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.

  • Page 11: 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 12: Flow Of Functional Until Toc Read

    KD-S675 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 KD-S675 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-S675 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 1-15~27

    KD-S675 3 7 63 1515 0 Descrption of major ICs TEA6320T-X (IC931) : 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...

  • Page 16: Www Ao Co

    KD-S675 3 7 63 1515 0 AN8806SB-W (IC501) : RF & Servo amp. 1.Pin layout PD 1 36 PDAC 35 PDBD LD 2 LDON 3 34 PDF 33 PDE LDP 4 VCC 5 32 PDER 31 PDFR RF- 6...
  • Page 17 KD-S675 3 7 63 1515 0 3. Pin function 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 .
  • Page 18 KD-S675 3 7 63 1515 0 LA4743B(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-S675 3 7 63 1515 0 LA4743B 2.Terminal layout 3.Pin function Pin No. Symbol Function Header of IC Power GND Output(-) for front Rch OUTRR- STBY Stand by input OUTRR+ Output (+) for front Rch Power input VCC1/2 OUTRF-...
  • Page 20 KD-S675 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 VC2+...
  • Page 21 KD-S675 3 7 63 1515 0 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+...
  • Page 22 KD-S675 3 7 63 1515 0 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...
  • Page 23 KD-S675 3 7 63 1515 0 3. Description MN35510 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 24 KD-S675 3 7 63 1515 0 LC72366-9989 (IC601) : Main micon 1. Pin layout 80 ~ 65 25 ~ 40 2. Pin function Symbol Function Symbol Function 4.5MHz crystal oscillation CD ON CD 8V supply on TEST2 Connect to ground...
  • Page 25 KD-S675 HA13164(IC901):Regulator 3 7 63 1515 0 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 26 KD-S675 3 7 63 1515 0 HD74HC126FP-X (IC631) : Buffer 1.Terminal layout 3.Pin function Input Outout 2.Block diagram Output Input L 13942296513 Output Sample as Load Circuit 1 Output Sample as Load Circuit 1 Output Sample as Load Circuit 1 RPM6938-SV4(IC602) : Remote sensor 1.Block diagram...
  • Page 27 KD-S675 3 7 63 1515 0 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 28: Ao Y U163

    KD-S675 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,Japan Printed in Japan (No.49610) 200102(S) http://www.xiaoyu163.com...
  • Page 29 KD-S675 Block diagram 3 7 63 1515 0 CN901 L 13942296513 CN501 u163 http://www.xiaoyu163.com...
  • Page 30 KD-S675 3 7 6 3 1 5 1 5 0 Standard schematic diagrams Main amp section TU701 QAU0205-001 CJ701 QNB0100-001 L701 R707 C712 1/50 33uH C713 1/50 R331 R332 R708 R335 C331 2.2K Q331 100P 2SD1048/6-7/-X R435 2.2K Q431...
  • Page 31 KD-S675 3 7 6 3 1 5 1 5 0 LCD & Key control section QSW0793-001 RPM6938-SV4 JS690 IC602 R661 0.022 C681 CJ601 R662 VMC0335-001 ILL_10V LCD1 QLD0162-001 REMOCON ENC1 ENC2 BUS2 LCD.CLK LCD.SO LCD.CE KEY0 BUS1 1 3 9 4 2 2 9 6 5 1 3...
  • Page 32 KD-S675 3 7 6 3 1 5 1 5 0 CD servo control section D551 DSK10C C552 C551 0.01 220/10 REST CD8V M.GND %CD.RESET% STATUS C543 C541 SUBQ SQCK 0.022 22/16 CD.SENSE MDATA Q541 2SA1706 MCLK R551 8.2K CD.RCH A.GND...
  • Page 33 KD-S675 3 7 6 3 1 5 1 5 0 Printed circuit boards Main board (Forward side) Main board (Reverse side) CN901 C901 C331 C431 C332 C432 CJ321 IC901 IC901 C904 C901 D901 C327 L901 C913 CJ321 Q431 Q331...
  • Page 34 KD-S675 3 7 63 1515 0 < M E M O > L 13942296513 u163 http://www.xiaoyu163.com...

  • Page 35: Parts List

    KD-S675 3 7 63 1515 0 PARTS LIST [ KD-S675 ] * All printed circuit boards and its assemblies are not available as service parts. Area suffix U --------------------- Other Areas L 13942296513 - Contents - Exploded view of general assembly and parts list...

  • Page 36: Exploded View Of General Assembly And Parts List

    KD-S675 3 7 63 1515 0 Exploded view of general assembly and parts list Block No. L 13942296513 u163 http://www.xiaoyu163.com...
  • Page 37 KD-S675 3 7 63 1515 0 Parts list (General assembly) Block No. M1MM Item Description Parts number Parts name Q'ty Area --------------- CD MECHA FSJC1029-401 CHASSIS BASE SIDE PANEL FSMH3001-204 FSKM3011-002 BOTTOM COVER FSMA3004-203 INSULATOR QYSDST2604Z SCREW 3 CHASSIS+MECHA B...

  • Page 38: Cd Mechanism Assembly And Parts List

    KD-S675 CD mechanism assembly and parts list 3 7 63 1515 0 Block No. Grease TN-CCD1001Z-136J G-31SA G-31SA(Bottom side) RX-405 L 13942296513 u163 106 29 http://www.xiaoyu163.com...
  • Page 39 KD-S675 3 7 63 1515 0 Parts list (CD mechanism) Block No. M2MM 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 40 KD-S675 3 7 63 1515 0 Parts list (CD mechanism) Block No. M2MM 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 41: Electrical Parts List

    KD-S675 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 122 QEKJ0JM-476Z E CAPACITOR 47MF 20% 6.3V C 511 NCB31HK-472X...

  • Page 42: Kd-S675

    KD-S675 3 7 63 1515 0 Block No. 01 Electrical parts list (Main board) Item Parts number Parts name Remarks Area Item Parts number Parts name Remarks Area C 718 QERF1AM-227Z E CAPACITOR 220MF 20% 10V Q 331 2SD1048/6-7/-X...
  • Page 43 KD-S675 3 7 63 1515 0 Block No. 01 Electrical parts list (Main board) Item Parts number Parts name Remarks Area Item Parts number Parts name Remarks Area R 506 NRSA63J-223X MG RESISTOR R 636 NRSA63J-473X MG RESISTOR R 507...
  • Page 44 KD-S675 3 7 63 1515 0 Electrical parts list (Front board) Block No. 02 Item Parts number Parts name Remarks Area Item Remarks Parts number Parts name Area C 601 NCB31HK-223X C CAPACITOR R 638 NRSA63J-511X MG RESISTOR C 602...
  • Page 45 KD-S675 3 7 63 1515 0 < M E M O > L 13942296513 u163 3-11 http://www.xiaoyu163.com...
  • Page 46 KD-S675 3 7 63 1515 0 Packing materials and accessories parts list Block No. Block No. L 13942296513 A1~A7 A12, A13 KIT : A3~A7 u163 3-12 http://www.xiaoyu163.com...
  • Page 47 KD-S675 3 7 63 1515 0 Parts list (Packing) Block No. M3MM Item Description Parts number Parts name Q'ty Area GE30123-007A PACKING CASE GE10008-001A CUSHION QPC03004315P POLY BAG 1 SET(260X440X0.0 FSPG4002-001 POLY BAG 1 INST.BOOK QPA00801205 POLY BAG POLY BAG...

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