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JVC KS-LX200R manual

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Table of contents for the manual

  • Page 1

    1-1 KS-LX200R SERVICE MANUAL No.49573 Oct. 2000 COPYRIGHT 2000 VICTOR COMPANY OF JAPAN, LTD. KS-LX200R This service manual is pr inted on 100% recycled paper . CASSETTE RECEIVER KS-LX200R Area Suffix E EX Continental Europe Central Europe KS-LX200R 10 78 9 11 12 OFF SEL Contents Safety precaution 1-2 Disassembly method 1-3 Adjustment method 1-13 De[...]

  • Page 2

    1-17 KS-LX200R Description of major ICs 12 34 5 6 78 9 1 0 1 1 1 2 B A4905-V3 (IC961) : Regulator 1.Pin la yout 2.Block diag ram EXT EXT ACC A UDIO 9V CTRL ILM 10V GND RESET RESET COMP VDD 5.7V CD 8V VCC AJ 1 2 3 4 5 6 7 8 9 10 11 12 37K 5K REGULA T OR Overvoltage protection circuit Pin no . Symbol Function RESET EXT output COMP output AC C VDD out[...]

  • Page 3

    1-18 KS-LX200R NR NR MODE NR PBFB2 31 PBRIN 32 PBREF2 33 PBFIN2 34 VCT 35 PBGND 36 PBFIN1 37 PBREF1 38 PBRIN1 39 PBFB1 40 20 MSMODE 19 DRSW 18 T APESW 17 INSW 16 NRSW 15 MRMODE 14 MSOUT 13 DGND 12 MSTC 11 G1FB 30 PBEQ2 29 PBOUT2 28 GND 27 T APEIN2 26 A UXIN2 25 DIREF 24 LINEOUT2 23 TCH2 22 TCL2 21 MSSW PBEQ1 1 PBOUT1 2 Vcc 3 T APEIN1 4 A UXIN 5 MSL[...]

  • Page 4

    1-19 KS-LX200R I/O 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 Symbol Functions Pin NRSW INSW MET AL DRSW FF/REW MSSW NC TCH2 LINEOUT2 DIREF NC T APEIN2 GND PBOUT2 PBEQ2 PBFB2 NC PBREF2 PBFIN2 VCT PBGND PBFIN1 PBREF1 NC PBFB1 I I I I I I - - O - - I - O O I - O I O - I O - I Dolby NR control L:NR OFF H:NR ON Line ampl[...]

  • Page 5

    1-20 KS-LX200R 1 ~ 12 36 ~ 25 48 ~ 37 13 ~ 24 KA3031 (IC831) : Motor driver 1. Pin lay out 2. Block diagr am 1 2 3 4 5 6 7 8 9 10 11 12 IN1.2 OUT1 IN2.1 IN2.2 OUT2 IN3.1 IN3.2 OUT3 IN4.1 IN4.2 OUT4 CTL1 36 35 34 33 32 31 30 29 28 27 26 25 DO2.1 DO2.2 PGND3 DO3.1 DO3.2 PGND2 PGND1 DO4.1 DO4.2 DO5.1 DO5.2 DO6.1 48 47 46 45 44 43 42 41 40 39 38 37 13 [...]

  • Page 6

    1-21 KS-LX200R 3. Pin function 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 IN1.2 OUT1 IN2.1 IN2.2 OUT2 IN3.1 IN3.2 OUT3 IN4.1 IN4.2 OUT4 CTL1 FWD1 REW1 CTL2 FED2 REW2 SGND MUTE1 MUTE2 MUTE3 MUTE4 PVCC1 DO6.2 I O I I O I I O I I O I I I I I I - I I I I - O CH 1 op-amp input (-) CH 1 op-amp output CH 2 op-amp input (+) CH 2 op-amp [...]

  • Page 7

    1-22 KS-LX200R 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 FF/REW DOLBY MS-OUT F/R HOLD TRA YCNT DIMMER-OUT LCD-PO WER VDD X2 X1 VSS XT2 XT1 RESET SW1 BUS-IN PS2 CUR UISE RDS-SCK RDS-D A REMOCON A VDD A VREF0 NC NC KEY0 KEY1 KEY2 LEVEL SQ S.METER A VSS [...]

  • Page 8

    1-23 KS-LX200R 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 DM0 DM1 ST LOCAL MONO CA-SW1 CA-SW2 CA-SW3 CA-SW4 CA-SW5 VCR-CONT AFCK SEEK/ST OP SD FM/AM PLL-CE PLL-D A PLL-CK BAND IN TEL-MUTE AMP KILL VSS DIMMER-IN DSI PO WER CD-ON MUTE W -LPF1 W[...]

  • Page 9

    1-24 KS-LX200R BD3860K (IC911) : E. volume 1. Pin lay out 2. Block diagr am 3. Pin function 1 ~ 11 33 ~ 23 34 44 ~ 22 12 ~ 13 12 7 8 10 11 41 42 43 44 1 2 3 4 6 5 9 4 0 3 6 3 5 3 43 3 2 83 23 1 3 0 2 9 1 9 1 5 1 4 39 38 37 25 24 26 23 22 21 20 18 17 16 GND FIL VCC SEL1 0 to 18 dB 0 to 18 dB VIN1 LOUD1 HF1 LF1 DET1 TIN1 TNF1 BNF1 OUTF1 OUTR1 SI SC O[...]

  • Page 10

    1-25 KS-LX200R LA3460M-X (IC31) : FM noise canceller & Stereo MPX demodulator 12 3 4 5 6 7 8 9 1 0 1 1 1 2 24 23 22 21 20 19 18 17 16 15 14 13 DRIVER HPF LPF LPF LPF PC PD VCO VCO ST OP FF MAIN SCHMIT PA C A N SEP ARA TION ADJ. SUB ANTI-BRIDGE DECODER SNC CONTROL HCC GA TE TRIG AGC 1. Pin lay out 2. Block diagr am 11 2 24 13 3. Pin function 1 2[...]

  • Page 11

    1-26 KS-LX200R 11 1 12 4 10 15 25 13 14 16 24 23 21 18 19 17 22 2 3 5 8 7 9 20 6 + - - + + - - + + - + - + - + - IN 1 TA B IN 2 ST BY R.F IN 3 N.C PRE GND IN 4 ON TIME PWR GND4 OUT 4- OUT 4+ PWR GND3 OUT 3- OUT 3+ MUTE PWR GND2 OUT 2- OUT 2+ PWR GND1 OUT 1- OUT 1+ VCC3/4 VCC1/2 LA4743B (IC941) :P ower amp Muting & on time control circuit Protec[...]

  • Page 12

    1-27 KS-LX200R 1.Block diag ram 1~66 67~69 70 71 72 73 74 75 76 77 78 79 80 S3~S68 COM1~3 VDD VDD1 VDD2 VSS OSC INH CE CLOCK DI S1 S2 Segment Output. Common Driver Output. P ower Supply Connection. Used f or applying the LCD dr iv e 2/3 bias voltage e xternally . Must be connected to VDD2 when a 1/2 bias dr ive scheme in used. Used f or applying th[...]

  • Page 13

    1-28 KS-LX200R 13 14 CL- LGND OUTL OUTR RGND CR - CR + CL+ Vcc INL NFL FIL NFR INR 11 12 9 8 10 2 14 36 7 5 REFL REFR FIL TER B A3220FV -X (IC301) : Driver 1. Pin lay out & Block diag ram 2. Pin function 1 2 3 4 5 6 7 8 9 10 11 12 13 14 CL+ Vcc INL NFL FIL NFR INR CR+ CR- RGND OUTR OUTL LGND CL- P owe supply terminal for amp . power supply term[...]

  • Page 14

    1-29 KS-LX200R Vcc WP SCL SD A A0 A1 A2 GND A0 1 A1 2 A2 3 GND 4 8 Vcc 7 WP 6 SCL 5 SD A 32k bit EEPROM ARRA Y 12bit 12bit ADDERESS DECODER SLA VE/WORD ADDRESS REGISTER 8bit D ATA REGISTER ACK ST ART ST OP CONTROL LOGIC HIGH V OL T AGE GEN. Vcc LEVEL DETECT Vcc GND A O ,A1,A2 SCL SD A WP - - IN IN I/O IN P ower supply Ground (0V) Slav e address set[...]

  • Page 15

    1-30 KS-LX200R QUAL RDD A RDCL T57 VSDD TEST MODE VSSA OSCI OSCO VDDD SCOUT MUX CIN VDD A Vref 4 8 7 5 3 6 Vp1 91 0 1 1 15 16 2 1 13 14 12 ANTI- ALIASING FIL TER RECONSTRUCTION FIL TER OSCILLA TOR AND DIVIDER DIFFERENTIAL DECODER QU ALITY BIT GENERA TOR BIPHASE SYMBOL DECODER TEST LOGIC AND OUTPUT SELECT OR SWITCH 57kHz BAND P ASS (8th ORDER) CLOCK[...]

  • Page 16

    1-31 KS-LX200R Vcc Vcc Input See Function T able 1A 2A 3A 4A 1C 2C 3C 4C 1Y 2Y 2Y 3Y 4Y Output Output Output Output Sample as Load Circuit 1 Sample as Load Circuit 1 Sample as Load Circuit 1 1k 1k S1 CL Inputs Outputs C L H H A X L H Y Z H L 1 2 3 4 5 6 7 14 13 12 11 10 9 8 HD74HC126FP-X (IC771) : Buffer 1. Pin lay out 3. Block diagr am 2. Pin func[...]

  • Page 17

    1-32 KS-LX200R M5282FP-XE (IC321) : E. volume 1. Pin lay out 3. Pin function 2. Block diagr am 1 2 3 4 5 10 9 8 7 6 1 2 3 10 45 7 8 9 1 2 3 4 5 6 7 8 9 10 Vcc/2 output f or microphone amp. Microphone amp . positive input terminal. Microphone amp . negative input terminal. Microphone amp . output ter minal. Ground. Non connection. VCA input terminal[...]

  • Page 18

    2-1 I H A BC DE F G 1 2 3 4 5 6 KS-LX200R Bloc k diagram CN771 CD-CH IC911 E.V OL. IC301 Lch LINE AMP . IC401 Rch LINE AMP . IC901 PO WER AMP . IC323 OPE.AMP . IC321 E.V OL IC322 SWITCHING IC961 REG. IC171 LINE IN IC831 DRIVER RDS FMDET .ADJ SEP A.ADJ ST FM/AM S.METER SD/ST PLLCE PLLD A PLLCL TRA Y M OTO R DOOR M OTO R DOOR TRA Y TM0 TM1 DM0 DM1 RE[...]

  • Page 19

    2-2 I H A BC DE F G 1 2 3 4 5 6 KS-LX200R KS-LX200R Standar d schematic diagrams Main amp. section P ar ts are safety assurance parts. When replacing those par ts make sure to use the specified one. T APE REC SIGNAL TUNER SIGNAL CD-CH SIGNAL LINE IN SIGNAL FRONT SIGNAL REAR SIGNAL C41 IC301 CN301 R717 IC771 IC961 R342 R716 R715 R43 C961 R720 L1 Q13[...]

  • Page 20

    2-3 I H A BC DE F G 1 2 3 4 5 6 KS-LX200R Mecha. control section T APE REC SIGNAL C409 R410 Q403 C405 C416 R419 CP402 C406 R406 Q402 Q401 CP401 D403 IC402 C418 C419 CP403 R420 IC401 C412 R417 R412 VR101 C411 C410 R408 C415 C413 C414 R415 R418 C403 R405 R404 R403 C402 R402 C401 R411 R407 VR201 C407 R409 C404 C408 R414 R422 R421 D401 D402 R424 R425 C[...]

  • Page 21

    2-4 I H A BC DE F G 1 2 3 4 5 6 KS-LX200R KS-LX200R IC601 R693 CN631 Q691 R651 Q692 R647 R642 R643 R646 R645 R644 R636 R637 R638 R639 R640 R641 R634 R635 R627 R628 R691 R672 R671 R675 R673 R674 IC603 R625 D626 PC601 PC602 CN601 R629 R630 R601 L611 C612 Q611 Q612 L612 D656 D655 R694 R655 R656 S631 S632 S635 S633 S634 S636 R632 R633 S640 S637 S639 S6[...]