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JVC KD-S9R Service Manual
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JVC KD-S9R Service Manual

JVC KD-S9R Service Manual

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SERVICE MANUAL
Contents
This service manual is printed on 100% recycled paper.
COPYRIGHT
CD RECEIVER
KD-S9R
45Wx4
DISP
RDS
TP
PTY
7
8
9
10
11
12
AM
SCM
2000 VICTOR COMPANY OF JAPAN, LTD.
MO
RND
SSM
RPT
FM
CD
Area Suffix
E
Continental Europe
1-2
1-3
1-4
1-9
1-10
1-11
1-12
KD-S9R
No.49579
Dec. 2000

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Summary of Contents for JVC KD-S9R

  • Page 1: Table Of Contents

    KD-S9R SERVICE MANUAL CD RECEIVER KD-S9R 45Wx4 DISP Area Suffix Continental Europe Contents Safety precaution Preventing static electricity Disassembly method Adjustment method Flow of functional operation unit TOC read 1-10 Maintenance of laser pickup 1-11 Description of major ICs 1-12 No.49579...

  • Page 2: Safety Precaution

    KD-S9R Safety precaution ! CAUTION 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. ! CAUTION Please use enough caution not to see the beam directly or touch it in case of an...

  • Page 3: Preventing Static Electricity

    KD-S9R 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-S9R Disassembly method Removing the front panel unit (See Fig. 1, 2) 1.Press the Eject button to open the front panel unit 2.Push and open the right and left open/close shaft arms Front panel unit outward to remove the shaft.
  • Page 5 KD-S9R Removing the main board(wiht rear panel) (See Fig. 6, Fig. 7) 1.Remove three screws E retaining the rear panel to the chassis 2.Remove one screw C retaining the IC to the heat sink. 3.Remove two screws D retaining the main board.
  • Page 6 KD-S9R 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-S9R 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-S9R 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.

  • Page 9: Adjustment Method

    MW 522kHz 1620 kHz 7.Tracking offset meter LW 144kHZ 279kHz 8.Test Disc JVC:CTS-1000 9.Extension cable for check EXTGS004-26P x 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...

  • Page 10: Flow Of Functional Operation Unit Toc Read

    KD-S9R 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: Maintenance Of Laser Pickup

    KD-S9R 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 12: Description Of Major Ics

    KD-S9R Descrption of major ICs UPD784215AGC126(IC701):DSP controller 1.Terminal layout 2.Pin function Pin No. Symbol Function Unused terminal Power supply terminal Crystal oscillation terminal 6.14MHz (main clock) Crystal oscillation terminal 6.14MHz (main clock) Connects to ground Unused terminal Unused terminal Reset signal input...
  • Page 13 KD-S9R TEA6320T-X (IC161) : 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 14 KD-S9R BA4905-V3 (IC901) : Regulator 1.Terminal layout 2.Block diagram REGULATOR RESET RESET COMP VDD 5.7V CD 8V AUDIO 9V CTRL ILM 10V 1-14...
  • Page 15 KD-S9R Explanation of terminals BA4905-V3 RESET If VDD voltage becomes 4V or less, RESET output becomes low level. This outout voltage is approximately 0.5V lower than VCC, and max EXT output output current is 300mA. A voltage supply for ACC block this outout voltage is approximately COMP output 0.7V lower than VDD'S.
  • Page 16 KD-S9R LA4743B(IC301):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 17 KD-S9R LA4743B 2.Terminal layout 3.Pin function Pin No. Symbol Function Header of IC Power GND OUTRR- Outpur(-) for front Rch Stand by input STBY OUTRR+ Output (+) for front Rch VCC1/2 Power input Output (-) for rear Rch OUTRF- Power GND...
  • Page 18 KD-S9R LA6567H-X(IC501):CD DRIVE 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(PNPTr The outside puuting) V02- REG-OUT V01+ REG-IN V01-...
  • Page 19 KD-S9R 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 20 KD-S9R TC9462F(IC541): 1.Pin layout & Block Diagram 50 V Servo 49 TRO 1bit control Clock 48 FOO generator TEZI 46 TEI 45 TSIN TEST1 44 SBAD Digital equalizer TEST2 43 FEI Address circuit Automatic adjustment TEST3 42 RFRP circuit BUS0...
  • Page 21 KD-S9R 2.Pin Function (2/2) TC9462F Symbol Function Pin No. RFRP signal center level input terminal RFCT RFRP zero cross input terminal RFZI RF ripple signal input terminal RFRP Focus error signal input terminal Sub-beam adder signal input terminal SBAD Test input terminal Normally, keep at "vref" level TSIN Tracking error signal input terminal.
  • Page 22 KD-S9R BA3880FS-X(IC181) : BBE 1. Pin layout & Block Diagram DETL DETR DEFR DEFL HI MID VCAR VCAL MIXR MIXL OUTR OUTL APFR HPFR APFL LPFR HPFL BIASC LPFL 2. Pin Functions Symbole Function Symbole Function Grounding terminal LPFL LPF output terminal...
  • Page 23 KD-S9R BA6218 (IC591) : 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 1-23...
  • Page 24 KD-S9R HD74HC126FP-X (IC801) : Buffer 1.Terminal layout 3.Pin function Input Outout 2.Block diagram Output Input Output Sample as Load Circuit 1 Output Sample as Load Circuit 1 Output Sample as Load Circuit 1 1-24...
  • Page 25 KD-S9R SAA6579T-X(IC71):RDS Detector 2.Pin Function 1.Terminal Layout Symbol Function QUAL RDCL Non connect QUAL RDDA RDS data output RDDA Vref OSCO Reference voltage output Vref OSC1 Multiplex signal input VDDA +5V Supply voltage for analog VDDA Ground for analog part (0V)
  • Page 26 KD-S9R TA2109F-X (IC521) : RF amp. 1. Pin layout 2. Block diagram 15k ohm 30k ohm 7.67k ohm 15k ohm 10k ohm SBAD 10k ohm 20uA 50k ohm 30k ohm 20pF 36pF 10k ohm 10k ohm 21k ohm 29k ohm 2VRO 7.96k ohm...
  • Page 27 KD-S9R TB2118F-X (IC31) : PLL 1.Terminal Layout 2.Block diagram Constant power supply voltage Buff. ON/OFF AM CP. Phase OSC circuit Reference Counter Comparator switch FM VCO 4-bit Prescaler Swallow counter 12-bit AMVCO REG. Programmable counter 20-bit BINARY COUNTER Resistor 1...
  • Page 28 KD-S9R NJM2100M-WE (IC861) : Cruise 1. Pin layout A OUTPUT A -INPUT B OUTPUT A +INOUT B -INPUT B +INPUT 2. Block diagram -INPUT OUTPUT +INPUT NJM4565M-WE (IC581,IC171) : Ope. amp A OUTPUT B OUTPUT A INPUT A INPUT B INPUT...
  • Page 29 KD-S9R IC-PST600M/G/-W1197(IC702):Reset 1.Terminal layout 2.Block diagram Vout M24C16-WMN6-X(IC771):EPROM 1.Terminal layout 2.Block diagram HV GENERATOR MEMORY EEPROM ARRAY CONTROL CONTROL (8x 256 x8) XDEC LOGIC LOGIC PAGE LATCHES YDEC SENSE AMP F/W CNTROL 3.Pin function Pin No. Symbol Function A0 A2 No internal connection +2.5V to 5.5V Power supply...
  • Page 30 KD-S9R 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.49579) 200012 (V)
  • Page 31 KD-S9R CD MECHA MAIN BOARD SWITCH BOARD RESET EPROM IC702 IC771 EPROMCK EPROMDI SHUTTLE SW. ENC1,2 SYSTEM CD PICKUP UNIT MECHA. SWITCH ENC1/ENC2 EN601 CONTROLLER KEY0 KEY2 SW1 ~ 4 IC701 LCD CL LCD CL SPINDLE/FEED RDSCL/RDSDA LCD CE VOL CL...
  • Page 32 KD-S9R < M E M O >...

  • Page 33: Standard Schematic Diagrams

    R748 100K 4.7K R749 R707 R706 R705 R704 R802 R804 R809 C712 X701 D711 0.01 MA152WK R801 X702 TUNER SIGNAL RESET IC702 IC-PST600MG R757 R756 CD SIGNAL C710 2.2K 47/6.3 FRONT SIGNAL QAX0617-001Z QAX0401-001 REAR SIGNAL Note:KD-S9R FSDH3192-005AV 1/2 /s/C/jes/3192.001...
  • Page 34 R606 0( 1/8W) LCDCE 3.9K 2.7k 1.8k 1.2k LCDCL S613 S612 S611 S610 S609 S608 S607 LCDDA R669 R670 R671 R616 R615 R614 R613 R612 2.7K 1.8K 1.2K S619 S618 S617 S616 S615 S614 CD SIGNAL Note:KD-S9R FSDH3192-005AV 2/2 /s/C/jes/3192.002...
  • Page 35 KD-S9R Printed circuit boards Main board (Forward side) IC901 C905 C904 C906 J321 D901 D341 J801 Q321 L901 C802 D321 Q341 D902 C907 Q891 R341 R901 C902 C903 C316 C315 CN901 D993 D891 R321 R331 R351 D997 C173 C163 C784...
  • Page 36 KD-S9R Main board (Reverse side) D971 CN901 D972 J801 C911 R971 R904 R972 L901 C971 IC901 R902 C902 D901 C784 R901 Q351 Q331 Q977 IC301 C163 C173 R903 C907 C320 C903 C316 C318 C315 C910 C191 C192 C881 D784 AMANT...