Table of Contents
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SERVICE MANUAL
Contents
CD RECEIVER
KD-S620
Model
KD-S620
KD-S570
This service manual is printed on 100% recycled paper.
COPYRIGHT
2000 VICTOR COMPANY OF JAPAN, LTD.
KD-S620
KD-S620
KD-S570
KD-S570
Remote
control unit
1-2
1-3
1-4
1-9
1-10
1-12
1-13
COMPACT
DIGITAL AUDIO
Area Suffix
J ---- Northern America
No.49581
Dec. 2000
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Table of Contents
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Summary of Contents for JVC KD-S620
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Page 1: Table Of Contents
KD-S570 / KD-S620 SERVICE MANUAL CD RECEIVER KD-S570 / KD-S620 KD-S620 KD-S620 KD-S620 KD-S570 KD-S570 KD-S570 COMPACT DIGITAL AUDIO Area Suffix J ---- Northern America Remote Model control unit KD-S620 KD-S570 Contents Safety precaution Location of main parts Disassembly method... -
Page 2: Safety Precaution
KD-S570/KD-S620 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: Location Of Main Parts
KD-S570/KD-S620 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 4: Disassembly Method
KD-S570/KD-S620 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. Fig.1 Removing the front chassis (See Fig.2) 1. Insert a screwdriver to the joints a on the side of the front chassis and two joints b on the right side, then detach the front chassis toward the front side. - Page 5 KD-S570/KD-S620 Main amplifier board CN501 Removing the main amplifier board (See Fig.5 and 6) Remove the front chassis. Remove the bottom cover. Remove the two screws B attaching the main amplifier board assembly on the bottom of the body. Remove the three screws C attaching the main amplifier board assembly on the back of the body.
- Page 6 KD-S570/KD-S620 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 7 KD-S570/KD-S620 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. Fig.5 Remove the two screws G and the front bracket while pulling the flame outward.
- Page 8 KD-S570/KD-S620 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. Remove the two screws K and the feed motor ass’y.
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Page 9: Adjustment Method
6. Digital tester MW 522kHz ~ 1620 kHz 7. Tracking offset meter LW 144kHz ~ 279kHz 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 10: Kd-S570
KD-S570/KD-S620 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 11 KD-S570/KD-S620 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.
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Page 12: Maintenance Of Laser Pickup
KD-S570/KD-S620 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 13: Description Of Major Ics
KD-S570/KD-S620 Description of major ICs TEA6320T-X(IC301) : E.volume 1.Terminal Layout 2.Block Diagram VOLUME 2 MUTE 0 to 55 dB FUNCTION OUTRR BALANCE OUTLR ZERO CROSS FENDER REAR POWER DETECTOR OUTRF OUTLF SUPPLY VOLUME 1 BASS TREBLE +20 to -31 dB... - Page 14 KD-S570/KD-S620 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 15 KD-S570/KD-S620 3. Pin function AN8806SB-W 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 RF OUT RF IN...
- Page 16 KD-S570/KD-S620 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 17 KD-S570/KD-S620 3. Description MN35510 symbol I/O Description symbol I/O Description Tracking error shunt signal output(H:shunt) BCLK Not used LRCK Not used PLAY Not used SRDATA WVEL Not used Not used Power supply (Digital) DVDD1 RF signal input DVSS1 Connected to GND...
- Page 18 KD-S570/KD-S620 LA6557-X(IC541) : Servo BTL driver 1. Block diagram S-GND MUTE VIN4 VING4 VCC-S VIN3G VIN3 VIN2G VIN2 VREF-IN REG-OUT REG-IN Mute Signal system MUTE is as follows power High : output ON Low : output OFF Thermal shutdown Input...
- Page 19 KD-S570/KD-S620 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 20 KD-S570/KD-S620 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) 1-20...
- Page 21 KD-S570/KD-S620 BA6218 (IC542) : Motor driver 6 Vcc 1. Block diagram 9 OUT1 OUT 2 6.8k 6.8k 1 FIN 2. Function truth table 3Pin (IN) 1Pin (IN) 7Pin (OUT) 9Pin (OUT) OPEN OPEN 1-21...
- Page 22 KD-S570/KD-S620 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-S570/KD-S620 NJM4565M-WE (IC151) : Ope. amp A OUTPUT B OUTPUT A INPUT A INPUT B INPUT B INPUT 1-23...
- Page 24 KD-S570 / KD-S620 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.49581) 200012(V)