JVC KS-LX200R user manual

User manual for the device JVC KS-LX200R

Device: JVC KS-LX200R
Category: Cassette Player
Manufacturer: JVC
Size: 0.97 MB
Added : 7/22/2014
Number of pages: 21
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Abstracts of contents
Summary of the content on the page No. 1

KS-LX200R
KS-LX200R
SERVICE MANUAL
CASSETTE RECEIVER
KS-LX200R
Area Suffix
E Continental Europe
EX Central Europe
SEL 78 9 10 11 12 OFF
KS-LX200R
Contents
Safety precaution 1-2
Disassembly method 1-3
Adjustment method 1-13
Description of major ICs 1-17
This service manual is printed on 100% recycled paper.
No.49573
1-1
COPYRIGHT 2000 VICTOR COMPANY OF JAPAN, LTD.
Oct. 2000

Summary of the content on the page No. 2

KS-LX200R Description of major ICs BA4905-V3 (IC961) : Regulator 1.Pin layout 12 34 5 6 7 8 9 10 11 12 2.Block diagram REGULATOR EXT 37K 5K RESET 1 2 3 4 5 6 7 8 9 10 11 12 RESET COMP VDD 5.7V CD 8V VCC AJ EXT ACC AUDIO 9V CTRL ILM 10V GND 3.Pin function Pin no. Symbol Function 1 RESET If VDD voltage becomes 4V or less.RESET outp

Summary of the content on the page No. 3

+ + - - KS-LX200R CXA2510AQ (IC401) : Head AMP / Dolby 1. Pin layout & Block diagram NR 20 MSMODE PBFB2 31 120 /70 OFF/ B / C PBRIN 32 19 DRSW T2 MS MODE X1 NR BIAS 18 TAPESW PBREF2 33 F2 TAPE / AUX PBFIN2 34 17 INSW TAPE EQ NR MODE 16 NRSW VCT 35 VCT FWD / RVS PBGND 36 15 MRMODE Vcc MS ON/ OFF + LPF DET 14 MSOUT PBFIN1 37 - F1 F3 PBREF1 38 13 DGND X1 T1 PBRIN1 39 12 MSTC PBFB1 40 11 G1FB 120 /70 NR 2. Pin functions Pin No. Symbol I/O Functions O

Summary of the content on the page No. 4

KS-LX200R Pin Symbol Functions I/O NRSW I Dolby NR control L:NR OFF H:NR ON 16 INSW I Line amplifier input select control L:TAPE IN H:AUX IN 17 METAL I Playback equalizer amplifier control L:120us H:70us 18 DRSW I Head select control L:FORWARD H:REVERSE 19 FF/REW I Music sensor mode control Low(open):G1 High:G2 20 MSSW I Music sensor control Low(open):MS on High:MS OFF 21 NC - Non connection 22 TCH2 - Time constant for the HLS 23 LINEOUT2 O Line output 24 DIREF - Resistance f

Summary of the content on the page No. 5

KS-LX200R KA3031 (IC831) : Motor driver 1. Pin layout 48 ~ 37 1 36 ~ ~ 12 25 13 ~ 24 2. Block diagram IN1.1 REG50 REG050 REF SVCC RES50 OPIN(+) OPIN(-) OPOUT PVCC2 DO1.1 DO1.2 48 47 46 45 44 43 42 41 40 39 38 37 - SW + IN1.2 1 36 DO2.1 + - ALL MUTE T.S.D OUT1 2 35 DO2.2 O.V.P 2.5V IN2.1 3 - 34 PGND3 + + + 2P - - - + IN2.2 4 - + 33 DO3.1 2P - + + + 2P OUT2 5 3

Summary of the content on the page No. 6

KS-LX200R 3. Pin function Pin No. Symbol I/O Function Pin No. Symbol I/O Function 1 IN1.2 I CH 1 op-amp input (-) 25 DO6.1 O CH 6 drive outout 2 OUT1 O CH 1 op-amp output 26 DO5.2 O CH 5 drive output 3 IN2.1 I CH 2 op-amp input (+) 27 DO5.1 O CH 5 drive output 4 IN2.2 I CH 2 op-amp input (-) 28 SO4.2 O CH 4 drive output 5 OUT2 O CH 2 op-amp output 29 DO4.1 O CH 4 drive output CH 3 op-amp input (+) Power ground 6 IN3.1 I 30 PGND 7 IN3.2 I CH 3 op-amp input (-) 31 PGND - Power ground 8 OUT3 O CH 3

Summary of the content on the page No. 7

~ ~ KS-LX200R UPD784215AGC113 (IC701) : UNIT CPU 1.Pin layout 75 ~ 51 76 50 100 26 1 ~ 25 2.Pin function Pin No. Symbol I/O Function 1 O Output for input signal level switching for MS. FF/REW 2 O Dolby on "H" output. DOLBY 3 O MS output. MS-OUT 4 I Fwd, REV direction switch signal input. F/R 5 - Non connect HOLD 6 O Tray light control signal output. TRAYCNT 7 O Dimmer signal output. DIMMER-OUT 8 - Non connect. LCD-POWER 9 - Power supply terminal. VDD 10 O Connecting the crys

Summary of the content on the page No. 8

KS-LX200R Pin No. Symbol I/O Function 51 DM0 O Door motor negative signal output. 52 DM1 O Door motor positive signal output. 53 ST I Stereo signal input. 54 LOCAL - Non connect. 55 MONO O Manual ON/OFF select signal output. 56 CA-SW1 I DOOR/TRAY open/close detect switch signal input. 57 CA-SW2 I DOOR/TRAY open/close detect switch signal input. 58 CA-SW3 I DOOR/TRAY open/close detect switch signal input. 59 CA-SW4 I DOOR/TRAY open/close detect switch signal input. 60 CA-SW5 I DOOR/TRAY open/clos

Summary of the content on the page No. 9

KS-LX200R BD3860K (IC911) : E. volume 1. Pin layout 33 ~ 23 34 22 44 12 1 ~ 11 2. Block diagram GND FIL VCC SEL1 VIN1 LOUD1 HF1 LF1 DET1 VCA1 MIX1 BBOUT1 TIN1 TNF1 BNF1 BOUT1 6 5 9 40 36 35 3433 2832 31 30 29 19 15 14 POWER FADER SUPPLY MAIN INPUT CH1 FRONT 13 OUTF1 TREBLE BASS VOLUME GAIN 0 to -5 dB LOW(f=50Hz) 6dB 0 to -40 dB -14 to +14dB -14 to +14dB PROCESS CONTROL +3 to 12dB A1 41 LOUDNESS 0 to 18 dB (f=10kHz) FADER B1 42 OUTR1 CH1 REAR 12 0 to -5 dB C1 43 SI 7 D1 44 IN

Summary of the content on the page No. 10

KS-LX200R LA3460M-X (IC31) : FM noise canceller & Stereo MPX demodulator 1. Pin layout 24 13 112 2. Block diagram 24 23 22 21 20 19 18 17 16 15 14 13 DRIVER VCO STOP PC LPF VCO FF PACAN LPF SCHMIT PD SEPARATION ADJ. SUB HPF LPF ANTI-BRIDGE MAIN GATE DECODER HCC SNC TRIG AGC CONTROL 12 3 4 5 6 7 8 9 10 11 12 3. Pin function Pin Function Description No. 1 Noise sense Noise sensitivity adjustment 2 Noise AGC 3 Gate time 4 Signal hold 5 Pilot output 6 Vcc Vcc=+8.0V 7 Capacitor for HCC High pass filt

Summary of the content on the page No. 11

KS-LX200R LA4743B (IC941) :Power amp 1.Terminal layout 1 2 3 4 5 6 7 8 9 10 11 12 13 14 1516 17 18 19 2021 22 232425 2.Block diagram 3.Pin function Pin Pin Symbol Function Symbol Function No. No. 1 TAB Header of IC 14 LFIN Front Lch input 2 GND1 Power GND 15 LRIN Rear Lch input 3 RFO- Output (-) for front Rch 16 ONTIME Power on time control 4 STBY Stand by input 17 LRO+ Output (+) for rear Lch 5 RFO+ Output (+) for front Rch 18 GND3 Power GND 6 VCC1/2 Power input 19 LRO- Output (-) for rear Lch

Summary of the content on the page No. 12

KS-LX200R LC75873NW (IC601) : LCD driver 1.Block diagram VDD1 COMMOM SEGMENT DRIVER DRIVER VDD2 INH CLOCK OSC SHIFT REGISTER GENERATOR VDD VSS ADDRESS DETECTOR 2.Pin functions Pin No. Symbol Description I/O 1~66 S3~S68 O Segment Output. 67~69 COM1~3 O Common Driver Output. 70 VDD - Power Supply Connection. 71 VDD1 I Used for applying the LCD drive 2/3 bias voltage externally. Must be connected to VDD2 when a 1/2 bias drive scheme in used. 72 VDD2 I Used for applying the LCD drive 1/3 bias volta

Summary of the content on the page No. 13

KS-LX200R BA3220FV-X (IC301) : Driver 1. Pin layout & Block diagram CL- LGND OUTL OUTR RGND CR - CR + 14 13 12 11 10 9 8 REFL REFR FILTER 14 236 5 7 CL+ Vcc INL NFL FIL NFR INR 2. Pin function Pin Symbol Function No. 1 CL+ Powe supply terminal for amp. 2 Vcc power supply terminal. 3 INL input terminal. 4 NFL Negative feedback terminal. 5 FIL Filter terminal. 6 NFR Negative feedback terminal. 7 INR Input terminal 8 CR+ Power supply terminal for amp. 9 CR- Output terminal of internal amp. 10 RGND

Summary of the content on the page No. 14

KS-LX200R BR24C32F-X (IC703) : EEPROM 1. Pin layout Vcc WP SCL SDA A0 A1 A2 GND 2. Block diagram A0 1 8 Vcc 32k bit EEPROM ARRAY 12bit 8bit ADDERESS SLAVE/WORD DATA A1 2 7 WP 12bit ADDRESS REGISTER DECODER REGISTER START STOP A2 3 6 SCL CONTROL LOGIC ACK GND 4 HIGH VOLTAGE GEN. Vcc LEVEL DETECT 5 SDA 3. Pin function Pin No. I/O Functions Vcc - Power supply GND - Ground (0V) AO,A1,A2 IN Slave address set SCL IN Serial clock input SDA I/O Slave and word address/Serial data output W

Summary of the content on the page No. 15

KS-LX200R SAA6579T-X (IC51) : RDS demodulator 1. Pin layout 2. Pin function Pin Symbol Function No. 1 QUAL Quality indication output 1 16 2 RDDA RDS data output 2 15 3 Vref Reference voltage output (0.5VDDA) 3 14 4 MUX Multiplex signal input 4 13 5 VDDA +5V supply voltage for analog part 6 VSSA Ground for analog part (0V) 5 12 7 CIN Sub carrier input to comparator 6 11 8 SCOUT Sub carrier output of reconstruction filter 7 10 9 MODE Oscillator mode / test control input 8 9 10 TEST Test enable inp

Summary of the content on the page No. 16

KS-LX200R HD74HC126FP-X (IC771) : Buffer 1. Pin layout 2. Pin function Inputs Outputs 1 14 C A Y 2 13 L X Z 3 12 H L H 4 11 H H L 5 10 6 9 7 8 3. Block diagram Vcc Vcc 1k 1A Output 1Y S1 2A 3A Input 2Y 4A CL 1k 1C 2C Output 3C 2Y Sample as Load Circuit 1 4C Output 3Y Sample as Load Circuit 1 Output 4Y Sample as Load Circuit 1 RPM6938-SV4 (IC602) : Remote control receiver Vcc Vcc AGC 22k ohm AMP Comp Rout I/V BPF Detector conversion PD for trimming circuit GND magnetic shield 1-31 See Function Ta

Summary of the content on the page No. 17

KS-LX200R M5282FP-XE (IC321) : E. volume 1. Pin layout 2. Block diagram 10 1 10 1 2 9 3 8 2 4 7 9 5 6 3 45 7 8 3. Pin function Pin Symbol Function No. 1 Vcc/2 Vcc/2 output for microphone amp. 2 Amp+IN Microphone amp. positive input terminal. 3 Amp-IN Microphone amp. negative input terminal. 4 Amp OUT Microphone amp. output terminal. 5 GND Ground. 6 NC Non connection. 7 VCA IN VCA input terminal. 8 Vc VCA control terminal. 9 VCA OUT VCA output terminal. 10 Vcc Power supply. LB1641 (IC402) : DC Mo

Summary of the content on the page No. 18

KS-LX200R Block diagram 6 FMDET.ADJ IC301 LOUTFL TU1 IC911 IC31 L-ch INFL Lch LINE SEPA.ADJ LOUTRR TUNER PACK R-ch E.VOL. INRL MPX AMP. FRONTL M FM/AM STANDBY,TAPEEND RDS ST FRONTR Lch,Rch S.METER IC401 ROUTFL INFR IC401 MSOUT SD/ST Rch LINE IC51 INRR ROUTRR HEAD AMP NRSW PLLCE REARL AMP. Lch,Rch RDS FF REW PLLDA REARR HEAD COMMON AU.L PLLCL 5 M AU.R MODE,F/R,TAPE IN TAPE.L TAPE.R VOLDA IC901 SUBMO IC402 VOLCLK IC701 POWER AMP. MOTOR IC321 IC323 SUBMO ,TAPE IN CPU DRIVER SUBMO W.VOL E.VOL OPE

Summary of the content on the page No. 19

KS-LX200R KS-LX200R Standard schematic diagrams Main amp. section C163 D161 R162 12K 1SS355 0.047 IC941 LA4743B C161 Q161 2SD601A TU1 1/50 R165 R303 QAU0157-002 33K 390 6 IC301 BA3220FV C307 100/10 C305 4.7/25 24K C3084.7/25 R3 R301 C301 C309 10 Q1 4.7/25 C120 47/16 4.7/25 C141 R4 UN2211 1/50 C303 C310 470P C306 10K L1 4.7u C302 R302 24K 100/10 4.7/25 C142 4.7/25 C11 1/50 D3 PP3 R304 R305 1SS355 150K 0.047 IC911 33K BA3860K PP4 R2 RDSDA C218 100K 0.047 R403 GND R354 C241 C354 33K 1/50 0.1 6.8K I

Summary of the content on the page No. 20

KS-LX200R Mecha. control section 6 Q401 CP401 2SA1706/ST/-T QGA2001F1-07 Q402 DTC114EKA 5 R406 300K C406 0.01 CP402 QGB1214K1-10S 4 R420 C405 15K 22/16 IC401 C416 0.1 IC402 R419 LB1641 1.2M 3 C409 C418 0.01 0.01 R410 C419 0.1 300K Q403 D403 DTC114EKA MA3075( M) 2 CP403 QGB1214K1-18S 1 TAPE REC SIGNAL A DE G H BC F I 2-3 R401 2.2K C401 470P R402 100K C402 470P R403 100K C403 C404 100P 100P R405 R404 180 180 R411 R412 R408 R407 VR101 VR201 33K 33K C410 12K 18K 18K 12K 22/16 D401 R413 C411 C407 DS


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