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JVC KD-LX111R Service Manual
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JVC KD-LX111R Service Manual

JVC KD-LX111R Service Manual

Cd receiver
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Download this manual See also: Service Manual, Instruction Manual
SERVICE MANUAL
Contents
Safety precaution
Preventing static electricity
Disassembly method
Adjustment method
CD RECEIVER
KD-LX111R
ATT
7
8
S
T
D
M
SOURCE
1-2
Flow of functional
1-3
1-4
Maintenance of laser pickup
1-13
Replacement of laser pickup
Description of major ICs
COPYRIGHT
2002 VICTOR COMPANY OF JAPAN, LTD.
KD-LX111R
OFF
9
12
Area suffix
E ----------- Continental Europe
EX --------------- Central Europe
operation unitl TOC read
KD-LX111R
1-14
1-16
1-16
1-17~31
No.49714
Jun. 2002

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Summary of Contents for JVC KD-LX111R

  • Page 1 KD-LX111R SERVICE MANUAL CD RECEIVER KD-LX111R KD-LX111R SOURCE Area suffix E ----------- Continental Europe EX --------------- Central Europe Contents Safety precaution Flow of functional Preventing static electricity operation unitl TOC read 1-14 Disassembly method Maintenance of laser pickup 1-16 Adjustment method...

  • Page 2: Description Of Major Ics

    KD-LX111R Description of major ICs FAN8037 (IC581) : CD driver 1. Pin layout & Block diagram 48 47 46 45 44 43 42 41 40 39 38 37 STAND BY T.S.D ALL MUTE POWER SAVE 13 14 15 16 17 18 19 20 21 22 23 24 2.
  • Page 3 KD-LX111R UPD784217AGC168 (IC701) : Main micon 1.Pin layout 100 ~ 76 26 ~ 50 2.Pin functions(1/3) Pin No. Symbol Function CD mechanical switch 2 detection signal input CD mechanical switch 3 detection signal input CD mechanical switch 4 detection signal input...
  • Page 4 KD-LX111R 2.Pin functions(2/3) Pin No. Symbol Function LCD-CE1 Chip enable output 1 to LCD driver BUZZER Buzzer output 12C-DAI 12C communication data input 12C-DAO 12C communication data output 12C-CLK 12C communication clock output BUS-I/O J-BUSI/O signal terminal Tray motor negative signal output terminal...
  • Page 5 KD-LX111R 2.Pin functions(3/3) Pin No. Symbol Function BUSO Data communication input and output port 0 with CDLSI BUS1 Data communication input and output port 1 with CDLSI BUS2 Data communication input and output port 2 with CDLSI BUS3 Data communication input and output port 3 with CDLSI...
  • Page 6 KD-LX111R 2.Pin function (1/2) TC9490FA(2/3) Pin No. Symbol Function Bit clock outputpin 32fs, 48fs, or 64fs selectable by command. LRCK L/R channel clock output pin."L" for L channe and "H" for R channel. Output polarity can be inverted by command.
  • Page 7 KD-LX111R 2.Pin function (2/2) TC9490FA(3/3) Pin No. Symbol Function RFGC RF amplitude adjustment control signal output pin. TEBC Tracking balance control signal output pin. APC circuit ON/OFF signal output pin. At laser on,high impedance with UHS="L" ,H output with UHS="H".
  • Page 8 KD-LX111R BD3860K (IC911):E.vol & Loud 1.Terminal layout 2.Block diagram GND FIL VCC SEL1 VIN1 LOUD1 HF1 LF1 DET1 VCA1 MIX1 BBOUT1 TIN1 TNF1 BNF1 BOUT1 POWER FADER SUPPLY MAIN INPUT OUTF1 CH1 FRONT TREBLE BASS VOLUME GAIN 0 -5 dB...
  • Page 9 KD-LX111R TA2147F-X (IC501) : RF amp. 1.Terminal layout 2.Block diagram PEAK GVSW 12 RFDC 20 A TEBC 50 A RFRP BOTTOM RFRPIN PEAK RFGO 1.75k 240k 15pF x0.5 RFGC 240k 15pF x0.5 AGCIN 180k 40pF 1-24...
  • Page 10 KD-LX111R 3.Pin function Pin No. Symbol Function 3.3V Power supply pin Main-beam amp input pin Main-beam amp input pin Sub-beam amp input pin Sub-beam input pin Monitor photo diode amp input pin Laser diode amp output pin APC circuit ON/OFF control signal,laser diode (LDO) control signal input or bottom/peak detection frequency change pin.
  • Page 11 KD-LX111R TA8273H(IC941):Power amp 1.Block diagram 2200 F 0.022 F Vcc 1/2 Vcc 3/4 INRF OUT RF+ 0.22 F OUT RF- AC CONT1 Protective circuit OUTRR+ INRR OUTRR- 0.22 F ST BY Stand by Switch ST ON Mute 10K Ripple Mute...
  • Page 12 KD-LX111R 2.Terminal layout 3.Pin function TA8273H Pin No. Symbol Function Header of IC AC CONT 1 Power GND OUTRR- Outpur(-) for Rear Rch Stand by input STBY OUTRR+ Output (+) for Rear Rch Power input VCC1/2 OUTRF- Output (-) for Front Rch...
  • Page 13 KD-LX111R HA13164A (IC961) : 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 14 KD-LX111R LC75878W (IC601) : LCD driver 1. Pin layout 100 ~ 76 26 ~ 50 2. Block diagram COMMON GENERAL SEGMENT DRIVER & LATCH PORT DRIVER CLOCK CONTROL GENERATOR REGISTER VLCD CONTRAST SHIFT REGISTER ADJUSTER VLCD0 VLCD1 VLCD2 INTERFACE VLCD3 VLCD4 3.
  • Page 15 KD-LX111R BR24C32F-X (IC703) : EEPROM 1. Pin layout 2. Pin function WPIN Symbol I/O Function Power supply. A0,A1,A2 No use connect to GND. Serial clock input. Serial data I/O of slave and word address. WPIN Write protect terminal. 3. Block diagram...
  • Page 16 KD-LX111R BU1923F (IC51) : RDS decoder 1. Pin layout QUAL RCLK RDATA N.C. Vref VDD1 VDD2 VSS1 VSS2 VSS3 2. Block diagram VSS3 100k 120k 100k 8th Switched capacitor filter comparator Vref anti-aliasing filter RCLK VDD1 Analog Power supply VSS1...

  • Page 17: Block Diagram

    KD-LX111R Block diagram Front speaker IC941 IC361 LOUTF INFL OUTFL ,OUTFR L-CH POWER AMP LOUTR INFR OUTFL ,OUTFR R-CH Rear speaker TUNER PACK IC911 FM/AM FMDET.ADJ E.VOLUME BATT CD-L S.METER LOUTF IC461 INFL CD-R IC51 SEEK/STOP LOUTR INFR SD/ST PLLCE...

  • Page 18: Standard Schematic Diagrams

    KD-LX111R KD-LX111R Standard schematic diagrams Main amp section Parts are safety assurance parts. When replacing those parts make sure to use the specified one. TUNER SIGNAL CD SIGNAL CD CHANGER SIGNAL FRONT SIGNAL REAR SIGNAL...
  • Page 19 KD-LX111R LCD&key cntrol section...
  • Page 20 KD-LX111R KD-LX111R Parts list (General assembly) Parts list (General assembly) Block No. M1MM Block No. M1MM Item Parts number Parts name Q'ty Description Area Item Parts number Parts name Q'ty Description Area SHEET (WIRE) KA2502011 2P CONECTOR ASS DG4152010 DG3070010 REG.IC BRACET...

  • Page 21: Parts List (Cd Mechanism)

    LD-LX111R Parts list (CD mechanism) Block No. MBMM Item Parts number Parts name Q'ty Description Area 30310101T FRAME 30310103T DANPER PIN 303101073T UPPER PL(3) 30310108T SEL STOP PLATE 30310164T SEL ARM (L8)L 30310143T SEL ARM (R)L 30310154T S ARM SPRING(L8 30310112T TRIG LEVER TRIG PL(Z)
  • Page 22 KD-LX111R Parts list (CD mechanism) Block No. MBMM Item Parts number Parts name Q'ty Description Area 64180402T DET SWITCH 2 ESE22MH1 DET SWITCH 2 ESE22MH3 64180403T 68150232T CONNECTOR 1 TKC-W26X-C1 30311105T SOPPORT PLATE 30311138T GR MT BLK(N) 30311109T LDG GEAR (2)
  • Page 23 LD-LX111R Electrical parts list (Main board) Block No. 01 Item Parts number Parts name Remarks Area Item Parts number Parts name Remarks Area BZ791 000393760 BUZZER CD11PA-XZ C306 CE4754468 E.CAPACITOR 4.7 MF/25 V CN301 KN2503297 CONN.TERMINAL 3P BASE POST C351 CY104423J C.CAPACITOR 0.1 MF...
  • Page 24 KD-LX111R Block No. 01 Electrical parts list (Main board) Item Remarks Item Remarks Parts number Parts name Area Parts number Parts name Area C545 CY473623J C.CAPACITOR 0.047 MF C965 CE2263468 E.CAPACITOR MF/16 V C546 CY473623J C.CAPACITOR 0.047 MF C966 CY103623J C.CAPACITOR...
  • Page 25 LD-LX111R Electrical parts list (Main board) Block No. 01 Item Parts number Parts name Remarks Area Item Parts number Parts name Remarks Area L961 000125560 CHOKE COIL R211 RK224JA0J COMP.RESISTOR 1/10W 220 K TRC4081(QRS)L TRANSISTOR 2SC4081/QR/-X R213 RK472JA0J C.RESISTOR 1/10W 4.7 K TRB1197(QR)L TRANSISTOR 2SB1197K/QR/-X...
  • Page 26 KD-LX111R Block No. 01 Electrical parts list (Main board) Item Remarks Item Remarks Parts number Parts name Area Parts number Parts name Area R515 RK823JA0J COMP.RESISTOR 1/10W 82 K R719 RK104JA0J COMP.RESISTOR 1/10W 100 K R516 RK101JA0J UNF.C.RESISTOR 1/10W 100...
  • Page 27 LD-LX111R Block No. 01 Electrical parts list (Main board) Item Parts number Parts name Remarks Area R981 RK183JA0J COMP.RESISTOR 1/10W 18 K R984 RK473JA0J COMP.RESISTOR 1/10W 47 K R985 RK472JA0J C.RESISTOR 1/10W 4.7 K R986 RK102JA0J C.RESISTOR 1/10W 1K R987 RK473JA0J COMP.RESISTOR 1/10W 47 K...
  • Page 28 KD-LX111R Electrical parts list (Front board) Block No. 02 Item Parts number Parts name Remarks Area Item Parts number Parts name Remarks Area CN601 KZ040160L CONN.TERMINAL 16P FPC CONNECT R611 RK472JA0J C.RESISTOR 1/10W 4.7 K R612 RK472JA0J C.RESISTOR 1/10W 4.7 K...