KS-LX200R KS-LX200R SERVICE MANUAL CASSETTE RECEIVER KS-LX200R Area Suffix E EX SEL 7 8 9 10 11 12 Continental Europe Central Europe OFF KS-LX200R Contents Safety precaution Disassembly method Adjustment method Description of major ICs 1-2 1-3 1-13 1-17 This service manual is printed on 100% recycled paper. COPYRIGHT 2000 VICTOR COMPANY OF JAPAN, LTD. No.49573 1-1 Oct.
KS-LX200R Description of major ICs BA4905-V3 (IC961) : Regulator 1.Pin layout 1 2 3 4 5 6 7 8 9 10 11 12 2.Block diagram REGULATOR Overvoltage protection circuit EXT RESET 1 2 RESET 4 COMP EXT 3.Pin function 3 Pin no. Symbol 1 2 RESET EXT output 3 COMP output 4 5 ACC VDD output 6 AUDIO output 7 CD output 8 9 10 CTRL VCC ILM output 11 AJ 12 GND ACC 5 6 7 VDD 5.
KS-LX200R CXA2510AQ (IC401) : Head AMP / Dolby 21 MSSW 22 TCL2 23 TCH2 24 LINEOUT2 25 DIREF 26 AUXIN2 27 TAPEIN2 28 GND 30 PBEQ2 29 PBOUT2 1.
KS-LX200R Symbol Pin Functions I/O 16 NRSW I Dolby NR control L:NR OFF H:NR ON 17 INSW I Line amplifier input select control L:TAPE IN H:AUX IN 18 METAL I Playback equalizer amplifier control L:120us H:70us 19 DRSW I Head select control L:FORWARD H:REVERSE 20 FF/REW I Music sensor mode control Low(open):G1 21 MSSW I Music sensor control Low(open):MS on High:MS OFF 22 NC - Non connection 23 TCH2 - Time constant for the HLS 24 LINEOUT2 O Line output 25 DIREF - Resist
KS-LX200R KA3031 (IC831) : Motor driver 1. Pin layout 48 ~ 37 1 36 ~ ~ 12 25 13 ~ 24 2. Block diagram IN1.1 48 IN1.2 1 OUT1 2 REG50 REG050 REF 47 46 45 SVCC RES50 44 OPIN(+) OPIN(-) OPOUT PVCC2 DO1.1 43 42 ALL MUTE + - OUT2 5 IN3.1 + + - + 6 + - IN3.2 OUT3 + + - 7 + + + - + + + - + + + - + + + - + 8 S W IN4.1 9 IN4.2 10 DO1.2 37 36 DO2.1 35 DO2.2 S W M S C 34 PGND3 2P 2P 33 DO3.1 2P 32 DO3.2 2P 31 PGND2 2P 2P 2P 30 PGND1 2P 29 DO4.
KS-LX200R 3. Pin function Pin No. Symbol I/O Function CH 1 op-amp input (-) CH 1 op-amp output CH 2 op-amp input (+) CH 2 op-amp input (-) CH 2 op-amp output CH 3 op-amp input (+) CH 3 op-amp input (-) CH 3 op-amp output CH 4 op-amp input(+) CH 4 op-amp input (-) 1 2 3 4 5 6 7 8 9 10 11 IN1.2 OUT1 IN2.1 IN2.2 OUT2 IN3.1 IN3.2 OUT3 IN4.1 IN4.2 OUT4 I O I I O I I O I I O 12 CTL1 13 14 Pin No. Symbol I/O Function DO6.1 DO5.2 DO5.1 SO4.2 DO4.1 PGND PGND DO3.2 DO3.1 PGND DO2.
KS-LX200R UPD784215AGC113 (IC701) : UNIT CPU 1.Pin layout 75 ~ 51 76 50 ~ ~ 100 1 ~ 25 26 2.Pin function Pin No. 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 1-22 Symbol FF/REW DOLBY MS-OUT F/R HOLD TRAYCNT DIMMER-OUT LCD-POWER VDD X2 X1 VSS XT2 XT1 RESET SW1 BUS-IN PS2 CURUISE RDS-SCK RDS-DA REMOCON AVDD AVREF0 NC NC KEY0 KEY1 KEY2 LEVEL SQ S.
KS-LX200R Pin No.
KS-LX200R BD3860K (IC911) : E. volume 1. Pin layout 33 ~ 23 34 ~ ~ 22 44 12 1 ~ 11 2.
KS-LX200R LA3460M-X (IC31) : FM noise canceller & Stereo MPX demodulator 1. Pin layout 24 13 1 12 2. Block diagram 24 23 22 21 20 DRIVER 19 PC 18 17 16 FF PD LPF 14 13 VCO STOP VCO LPF 15 PACAN SCHMIT SEPARATION ADJ. HPF SUB LPF ANTI-BRIDGE DECODER MAIN GATE HCC SNC TRIG AGC 1 2 CONTROL 3 4 5 6 7 8 9 10 11 12 3. Pin function Pin No.
KS-LX200R LA4743B (IC941) :Power amp TAB GND1 OUTFR+ STBY OUTFRVCC1/2 OUTRR+ GND2 OUTRRVREF INRR INFR SGND INFR INRL ONTIME OUTRL+ GND3 OUTRLVCC3/4 OUTFL+ MUTE OUTFLGND4 NC 1.Terminal layout Muting & on time control circuit 13 14 16 IN 4 ON TIME 25 N.C PRE GND 15 IN 3 Ripple filter 10 R.F 4 ST BY Stand by switch 12 1 TAB IN 2 11 IN 1 3.Pin function Pin No.
KS-LX200R LC75873NW (IC601) : LCD driver VDD1 S5 S4/P4 S3/P3 S2/P2 S1/P1 S68 S67 COM1 COM2 COM3 1.Block diagram COMMOM DRIVER SEGMENT DRIVER CLOCK GENERATOR SHIFT REGISTER VDD2 INH OSC VDD VSS ADDRESS DETECTOR 2.Pin functions Pin No. Symbol I/O Description 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.
KS-LX200R BA3220FV-X (IC301) : Driver 1. Pin layout & Block diagram CL- LGND OUTL OUTR RGND CR - CR + 13 12 11 10 9 8 14 REFL REFR FILTER 1 2 3 4 5 6 7 CL+ Vcc INL NFL FIL NFR INR 2. Pin function Pin No. 1 2 3 4 5 6 7 8 9 10 11 12 13 14 1-28 Symbol CL+ Vcc INL NFL FIL NFR INR CR+ CRRGND OUTR OUTL LGND CL- Function Powe supply terminal for amp. power supply terminal. input terminal. Negative feedback terminal. Filter terminal. Negative feedback terminal.
KS-LX200R BR24C32F-X (IC703) : EEPROM 1. Pin layout Vcc WP SCL SDA A0 A1 A2 GND 2. Block diagram A0 1 8bit 12bit A1 2 8 Vcc 32k bit EEPROM ARRAY ADDERESS DECODER 12bit SLAVE/WORD ADDRESS REGISTER START A2 3 DATA REGISTER 7 WP STOP 6 SCL CONTROL LOGIC ACK GND 4 HIGH VOLTAGE GEN. Vcc LEVEL DETECT 5 SDA 3. Pin function Pin No.
KS-LX200R SAA6579T-X (IC51) : RDS demodulator 1. Pin layout 2. Pin function Pin No. 1 2 16 15 3 4 5 14 13 12 6 7 8 11 10 9 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 Symbol QUAL RDDA Vref MUX VDDA VSSA CIN SCOUT MODE TEST VSSD VDDD OSCI OSCO T57 RDCL Function Quality indication output RDS data output Reference voltage output (0.
KS-LX200R HD74HC126FP-X (IC771) : Buffer 1. Pin layout 2. Pin function 1 2 3 4 5 6 7 Inputs C A L X H L H H 14 13 12 11 10 9 8 3.
KS-LX200R M5282FP-XE (IC321) : E. volume 1. Pin layout 2. Block diagram 10 10 9 8 7 6 1 2 3 4 5 1 2 9 3 4 5 7 3. Pin function Pin No. Symbol 1 Vcc/2 2 Amp+IN 3 Amp-IN 4 Amp OUT 5 GND 6 NC 7 VCA IN 8 Vc 9 VCA OUT 10 Vcc Function Vcc/2 output for microphone amp. Microphone amp. positive input terminal. Microphone amp. negative input terminal. Microphone amp. output terminal. Ground. Non connection. VCA input terminal. VCA control terminal. VCA output terminal. Power supply.
KS-LX200R Block diagram 6 TU1 TUNER PACK M STANDBY,TAPEEND Lch,Rch IC401 MSOUT HEAD AMP NRSW Lch,Rch FF REW HEAD COMMON IC51 RDS MODE,F/R,TAPE IN IC402 MOTOR DRIVER SUBMO CN701 LCDRST,LCDCE1 LCDCL,LCDDA KEY1 KEY2 RESET IC601 LCD DRIVER M A B C CN503 DOOR MOTOR M IC301 INFL Lch LINE INRL AMP. FRONTL FRONTR IC401 INFR Rch LINE INRR AMP. VOLDA VOLCLK IC701 CPU IC321 E.VOL W.VOL SI/SO SO,I/O BUSINT BUSSCK SCL SDDA REARL REARR WLPF1 WLPF2 IC323 OPE.AMP. IC901 POWER AMP.
KS-LX200R KS-LX200R Standard schematic diagrams R303 47/16 C403 C941 1/25 C942 47/16 330P 330P C943 0.01 C144 C143 C944 10/16 1SS355 MA152WA D231 MA152WA D131 2.2k R234 R233 2.2k R231 R232 2.2k 2.2k R132 R131 680 680 680 680 MUT R133 R134 C329 2.2/50 47K 820 R336 R335 100 100 Q231 2SD1048 Q232 2SD1048 R236 R235 2SD1048 Q131 4.
A B C 300K D E 10K R416 Q403 DTC114EKA F D403 MA3075( M) R423 G 8R2 33 R425 R424 1K 22K R418 R419 1.2M 3.3K C417 10/16 R410 C415 R417 0.01 C405 22/16 D402 MA3036( L) 0.47/50 12K R407 18K C408 0.1 R409 VR201 33K 5 3.9K R414 1K C407 1/50 18K R408 3.3K R422 D401 DSK10C 47K R421 CP401 QGA2001F1-07 C412 100P C411 1/50 18K C406 0.01 R413 100 0.
A B Q612 2SD2185 C QNZ0495-001 S63 S64 S65 S66 S67 S68 COM1 COM2 COM3 D 2-4 IC601 LC75873NW L612 R601 10K LCDRST LCDCE1 LCDCL LCDDA E R630 MA152WK 1K PC601 PR-20 S42 S41 S40 S39 S38 S37 S36 S35 S34 S33 S32 S31 S30 S29 S28 S27 S26 S25 S24 S23 PC602 PR-20 F G 100k R691 D625 R628 Q691 100k LCDDA LCDCL LCDCE1 LCDCE2 LCDRST H R627 VDD 0 4.7/6.