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JVC KD-LX333R Service Manual

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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
COPYRIGHT
CD RECEIVER
KD-LX333R
ATT
S
T
D
M
7
SOURCE
1-2
Flow of finctional operation intil opelation
1-3
1-4
Maintenance of laser pickup
1-13
Replacement of laser pickup
Description of Major ICs
2002 VICTOR COMPANY OF JAPAN, LTD.
KD-LX333R
OFF
8
9
12
E
EX
until TOC read
KD-LX333R
Area Suffix
Continental Europe
Central Europe
1-14
1-16
1-16
1-17~33
No.49715
Jun. 2002

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Summary of Contents for JVC KD-LX333R

  • Page 1 KD-LX333R SERVICE MANUAL CD RECEIVER KD-LX333R KD-LX333R SOURCE Area Suffix Continental Europe Central Europe Contents Safety precaution Flow of finctional operation intil opelation Preventing static electricity until TOC read 1-14 Disassembly method Maintenance of laser pickup 1-16 Adjustment method 1-13...

  • Page 2: Description Of Major Ics

    KD-LX333R Description of major ICs TC9490FA (IC521) : DSP & DAC 1.Pin layout & Block daiagram TEZI Clock generator SBAD 1-bit Servo control RFRP RFZI ZDET RFCT Digital equalizer Address automatic circuit adjustment circuit BUS0 Data CLV servo slicer BUS1...
  • Page 3 KD-LX333R 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 4 KD-LX333R 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 5 KD-LX333R 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 1-20...
  • Page 6 KD-LX333R 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 7 KD-LX333R 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...
  • Page 8 KD-LX333R 2.Terminal layout 3.Pin function TA8273H Pin No. Symbol Function AC CONT 1 Header of IC Power GND OUTRR- Outpur(-) for Rear Rch STBY Stand by input Output (+) for Rear Rch OUTRR+ VCC1/2 Power input OUTRF- Output (-) for Front Rch...
  • Page 9 KD-LX333R 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 10 KD-LX333R 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 11 KD-LX333R 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 12 KD-LX333R 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 13 KD-LX333R 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 14 KD-LX333R 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 15 KD-LX333R 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 16 KD-LX333R 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 17 KD-LX333R HD74HC126FP (IC771) : Changer control NJM2100M (IC821) : Operational amp A OUT B OUT – A IN– + – A IN+ B IN– B IN+ HD74HC126 M5282FP-X (IC321) : E. volume 1. Pin layout 2. Block diagram 3. Pin function...
  • Page 18 KD-LX333R 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 19: Block Diagram

    KD-LX333R 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 20: Standard Schematic Diagram

    KD-LX333R KD-LX333R Standard schematic diagram 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 21 KD-LX333R KD-LX333R 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 DG4152010 SHEET (WIRE) KA2502011 2P CONECTOR ASSY DG3070010 REG.IC BRACET...

  • Page 22: Parts List (Cd Mechanism)

    KD-LX333R 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 S ARM SPRING(L8 30310154T...
  • Page 23 LX-333R Parts list (CD mechanism) Block No. MBMM Item Parts number Parts name Q'ty Description Area DET SWITCH 2 ESE22MH1 64180402T 64180403T DET SWITCH 2 ESE22MH3 68150232T CONNECTOR 1 TKC-W26X-C1 SOPPORT PLATE 30311105T GR MT BLK(N) 30311138T 30311109T LDG GEAR (2) 30311110T LDG GEAR (3) LDG GEAR (5)
  • Page 24 KD-LX333R Block No. 01 Electrical parts list (Main board) Item Parts number Parts name Remarks Area Item Parts number Parts name Remarks Area BZ791 000393760 BUZZER CD11PA-XZ C253 CZ1216D2J C.CAPACITOR 120 PF CN301 KN2507297 CONN.TERMINAL 7P BASE POST C254 CZ1016D2J C.CAPACITOR...
  • Page 25 LX-333R Block No. 01 Electrical parts list (Main board) Item Remarks Item Remarks Parts number Parts name Area Parts number Parts name Area C507 CY103623J C.CAPACITOR 0.01 MF C719 CZ2216D2J C.CAPACITOR 220PF C508 CY104423J C.CAPACITOR 0.1 MF C720 CY473623J C.CAPACITOR 0.047 MF C509 CY104423J...
  • Page 26 KD-LX333R Block No. 01 Electrical parts list (Main board) Item Remarks Item Remarks Parts number Parts name Area Parts number Parts name Area D701 DI0CRS03L SI.DIODE CRS03-X Q501 TRB1241(PQR)8 TRANSISTOR 2SB1241 (PQR) D711 DI1SS400L SI.DIODE Q581 TRB1241(PQR)8 TRANSISTOR 2SB1241 (PQR)
  • Page 27 LX-333R Electrical parts list (Main board) Block No. 01 Item Parts number Parts name Remarks Area Item Parts number Parts name Remarks Area R211 RK224JA0J COMP.RESISTOR 1/10W 220K R352 RK224JA0J COMP.RESISTOR 1/10W 220K R213 RK472JA0J C.RESISTOR 1/10W 4.7 K R353 RK105JA0J C.RESISTOR 1/10W 1 M...
  • Page 28 KD-LX333R Block No. 01 Electrical parts list (Main board) Item Remarks Item Parts number Parts name Remarks Area Parts number Parts name Area R585 RK682JA0J C.RESISTOR 1/10W 6.8 K R763 RK222JA0J C.RESISTOR 1/10W 2.2 K R586 RK682JA0J C.RESISTOR 1/10W 6.8 K...
  • Page 29 LX-333R Block No. 02 Electrical parts list (Front board) 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 CN631 KZ040060L CONN.TERMINAL 6P FPC CONNECTO R612 RK472JA0J C.RESISTOR...