Technics-SLCT430-dm-sm 电路图 维修手册.pdf

FOCUS COIL TRACKING COIL D B A C GNDF VCC B LD GND E VREF A LPD 12345 678910 2K FB ACD Q201 2SB709ATX LASER POWER DRIVE TE(F) RF(-A) TE(E) GND GND GND F- T- F+ T+ LD+ NC LPD RF(-B) VREF VCC 0.22 0.047 0.22 R202 22K R201 2.2 R203 1 C201 6.3V22 S201 (LASER ON/OFF) SHORT LAND IC101 AN8839NSBE1 SERVO AMP A B C F D C B E F G H D I J E C101 0.1 R126 120K R125 120K C114 0.1 C103 0.022 C115 0.022 R120 10K R122 120K R121 120K C112 220P C121 120P C120 1500P C111 0.022 C113 0.1 1 2 3 4 5 6 7 8 9 10 11 12 13 1415 16 17 18 19 20 21 22 23 25 24 26 27 28PDEFBAL PDF VDD PDA PDB LPD LD RF RF IN CSBRT CEA BDO LDON GND TBAL VREF FE IN FE OUT TE OUT TE IN NC ENVOFF ENV NC OFTR PDOWN /RFDET RF 16 2 1 3 4 5 6 7 8 9 10 11 12 13 14 15 16 2 1 3 4 5 6 7 8 9 10 11 12 13 14 15 R12910K C1170.022 R12810K C1160.022 CN101 R113 33 R114 33 E A E OPTICAL PICKUP 2.5V (1.9V) 1V 2V (2.2V) 1.2V1.2V 1.2V 1.2V 1.2V 1.2V 1.2V 1.2V 0V 0V 1.2V (0V) 2.5V (0V) 2.4V (3V) 0V (1.4V) 0.6V (2.2V) 2V 0V 1.2V 2.5V 1.2V 1.2V 0.7V 1.2V 0V 0.9V PLAY 2ms.20mV/DIV. 70mV P-P PLAY 0.3V P-P 2ms. 0.1V/DIV. PLAY 0.8V P-P 0.5s. 0.2V/DIV. 2.5V :CD PLAYBACK SIGNAL LINE:POSITIVE VOLTAGE LINE RadioFans.CN 收音机爱 好者资料库 IC301 M38224M050HP SYSTEM CONTROL/ LCD DRIVE LCD301(RSL5250-T) 1256789 10 11 12 13 14 15 16 17 18 19 20 LCD DISPLAY 34 13032456789 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 13032456789 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 S805 (EQ) S804 (A.SHOCK) S803 () S806 (MEMORY/RECALL) S807 (/) S808 (/) S802 (OPR OFF) S801 () baZ Y X W V U T S R Q P O N M LKJIH G F E D C B A R306 47K R S T U V W X Z D301 MA142WKTX A C a bB E F G HIJKL M N O PQ R323 100K R322100K R325 33K R301 3.9K R308 100K A B C D E F G H I J R S T R302 100K C302 1 R3041M 60 6162636465666768697071727374757677787980 59 58 57 56 55 54 53 52 51 50 49 48 47 46 45 44 43 42 41 4039383736353433323130292827262524232221 20 19 18 17 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1SEG10 SEG11 SEG12 SEG13 SEG14 SEG15 SEG16 SM PMSEL NC NC RAMSEL REMSEL NC JUDGE 11T 6T GUP PC NC NC PLAY BATTERY EQ RANDOM RESUME HOLD SHOCK.P REST Vss X OSC OUT X OSC IN OPEN BATT STROBE /RESET ZANSEL PDOWN RSENSE BLKCK STAT MDATA MCLK MLD R CLK R DATA TX POWER LCD REM BOUT FG BUZ MUTE MEMORY REPEAT SKIP.R SKIP.F STOP NC DOCTOR 3KEY VL2 VL3 COM0 COM1 COM2 COM3 AVss VREF Vcc SEG1 SEG2 SEG3 SEG4 SEG5 SEG6 SEG7 SEG8 SEG9 SEG0 VL1 NC S310 (HOLD) S309 (MODE) R326 1K R303 1K KLM NO D Y Q CN301 ONOFF NORMALRANDOMRESUME RJ306 0 RJ302 0 C301 1 P R324 100K RJ301 0 OPERATION/ LCD UNIT 2.5V 2.5V 3.2V 1.4V 1.4V 1.4V 1.4V 1.4V 1.4V 1.4V 2.5V 0V 2.4V 2.5V (0V) 2.4V 2.4V 2.4V 2.4V 2.4V 2.4V 0V 1.2V 1.2V 2.5V 0V 2.8V 0V 0V 0V (3V) 1.4V 1.4V 1.4V 1.4V 1.4V 1.4V 1.4V 1.4V 1.4V 2.5V 2.5V 1.4V 1.4V 1.4V 1.4V 3.2V 1.8V 0.9V 2.5V 0V 2.5V 2.5V 0V 0.2V 2.5V (0.8V) 2.4V 2.3V(1.2V) 2.5V 2.5V(0V) 2.5V 1.9V 2.5V 2.5V 2.5V 2.5V PLAY 0V 2.4V F=150Hz PLAY 0V 2.4V T13.3ms. F=4.2336MHz 2.1V P-P F=4.2336MHz 2V P-P 2.8V 0.8V 0V 1.8V T15.2ms. 2.8V 0.8V 0V 1.8V T15.2ms. 2.5V 2.5V :POSITIVE VOLTAGE LINE RadioFans.CN 收音机爱 好者资料库 IC401 BH6522FVE2 COIL & MOTOR DRIVE IC402 BA6966FVE2 MOTOR DRIVE C D F E ACFDEB BR A F E H G C B A D Q402 2SD1819ATX SWITCHING B A B D C Q431 DTA144EUA106 SWITCHING 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 22 23 25 24 26 27 28 IN2F MUTE (PC) PVCC4 VG GND21 29 30 31 32 33 34 36 37 38 39 40 35 PVCC3 IN3F IN3R NC PGND3 NC PGND34 VO3R VO3F VM VLIM CN4 IN4 OP INV NINV IN2R IN1R IN1F NC MONITOR PVCC2 VO2R PGND2 VO2F PVCC12 VO1F PGND1 VO1R PVCC1 CLK VREF NC VCC CT C437 4V47 R435 47K R436 15K C438 1500P R437 390 R433 33K R431 1 R432 1 C432 2200P C431 2200P C433 2200P C434 0.47 C435 0.033 C436 0.033 C404 6.3V22 C406 0.015 R439 2.2K R403 12K C410 1200P R405 33K C4050.012 R404 27KR406 100K L401 R410 8.2K R411 39K C408 0.022 C414 1 C401 1000P C402 1 R440 47K 12345678910 11121314151617181920 UOUTVOUT RF UIN VIN WIN COM CST CSL1 CSL2 GND WOUT N.C. VM VCC RIB STBY BRK+ BRK- FG VREF CN401 12345678 TRAVERSE MOTOR SPINDLE MOTOR S202 (REST DET. SWITCH) RJ3 0 Q401 DTC144TUA106 SWITCHING 47K 47K T R441 180K MM 47K E A B C P 3.2V 2.5V 0V 0.5V 2.5V 0V 0V 0V (0V) 1.1V 0V 0V 3.2V 2.5V 0.8V 2.9V (3.2V) 0V 0.6V 0V 0.6V 0.6V 0.6V 0.6V 3.2V 0V 0V 7.1V 0V (0V) 1.1V (0.2V) 0V 0V 0V 2.8V 0V 2.8V 0V 1.2V 1V 0.5V 0V (0V) 2.5V 0V 0V 0V 0V 1.4V 2.8V 0V 0V 2.8V 0V 0V 2.8V 1.2V 1.2V 2.5V 0.3V 2.5V 2.8V (0.3V) (0.3V) (0.3V) (0.3V) (0.3V) (0.3V) (3V) (0.6V) (0.6V) (0V) (1.5V) 0V (3.2V) 3.2V 2.5V (0V) :POSITIVE VOLTAGE LINE RadioFans.CN 收音机爱 好者资料库 IC501 MN662784SA SERVO PROCESSOR / DIGITAL SIGNAL PROCESSOR / DIGITAL FILTER & D/A CONVERTER H A A J F B C D E F G I H G E D B C AQB C D E F G HIJKL M N O P IC502 M51V4400D7FS 4M DRAM ABC FGHIKML OEPN A BEC H G M J O K I B A 10K 10K Q603 XN1215TX MUTING C510 0.1 C504 0.1 C511 0.1 C509 0.01 C508 0.47 R502 56K R501 68K R505 390 C506 0.22 R513 100K C507 4V220 R506 2.2K C515 0.1 R508 1 R602 680 R601 680 C601 1000P C602 1000P C603 2700P C604 2700P R604 560 R603 560 R512 1K R5111K C5141000P R514 680 X501 (16.9MHz) D C525 0.1 GND VDD C610 4V47 VDD 1234589101112 13141516172021222324 A3 A2 A1 A0 A9 NRAS DQ1 DQ0 A4 A5 A6 A7 NOE NCAS DQ2 DQ3 VSS NWE A8 C505 0.022 RJ503 0 RJ505 0 RJ507 0 RJ501 0 RJ509 0 R515 15 C502 33P C501 39P D C C503 560P B A C J Q X2 A3 TRV+ AD PVCC 1234567891011121314151617181920 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 71 62 72 63 73 64 74 65 75 66 76 67 77 68 78 69 79 70 8021 22 23 25 24 26 27 28 29 30 31 32 33 34 36 37 38 39 40 35 TRV- TR+ TR- FO+ FO- CSEL FE TE RFENV OFT NRFDET BDO LDON ARF IREF DVDD2 SPOUT A2 A1 A0 A9 A4 A5 A6 A7 A8 NCAS1 NCAS0 D3 D2 NRAS NWE D1 D0 DVDD3V VSS2 DVSS1 X1 NTEST NCLDCK SBCK SUBC SMCK PMCK SPPOL NRST STAT DMUTE SUBQ SQCK BLKCK MLD MDATA MCLK DVDD1 DSLF DRF PLLF VCOF OUTL AVSS1 OUTR AVDD1 FSEL TMOD1 TMOD2 FLAG FCLK EXT0 EXT1 EXT2 TX AVSS2 AVDD2 FBAL TBAL 2.8V 3.2V 2.5V 2.5V0V0V0V0V2.5V2.5V (1.5V) 0.7V 0V0V0V0V2.5V0.4V (1.5V) 0.4V (1.5V) 0V(0.5V) 2.5V 2.5V 2.5V 2.5V 0.4V (1.5V) 0.4V (1.5V) 0.7V (1.5V) 0.7V (1.5V) 2.5V 2.5V 2.5V 2.5V(0V) 2.5V 2.5V 2.5V 2.5V 0V 0V (0.8V) 2.8V 1.2V 1.2V 1.4V (1.5V)1.2V 2.5V 1.5V 1.5V 3V (0.3V) 0.1V (0.7V) 0.3V 0V 0V 0V 0V 0V 0V 0V 0V 1.2V 1.2V 1.2V 1.2V 1.2V 1.2V(1.5V) (3V) 0V (0V) 2.4V (1.1V) 0V 2.5V 0V 1.5V 0V 1.5V 2.5V 3V F=4.2336MHz 2.4V P-P PLAY 2.4V 0V T13.3ms. PLAY 0V 2.4V F=75Hz PLAY 1kHz, 0dB 1.3V P-P PLAY 0.8V P-P 0.5s. 0.2V/DIV. (0.6V) (0.5V) (0.2V) (0.2V) (0.5V) (0.6V) (0.6V) (0.5V) 0V 1V (1.5V)1.2V 1.5V 1.2V 1.2V 0V(0.5V) 0V(0.6V) 0V(0.6V) 0V(0.5V) 0V(0.5V) 0V(0.2V) 0V(0.2V) 0V(0.5V) 0V(0.6V) 2.1V P-P F=16.9MHz 0.7V P-P F=16.9MHz 0V 2.4V F=88.2kHz 0.5s. 1V/DIV. PLAY 2.4V 0V (0.5V) (1.5V) 0.7V2.5V :POSITIVE VOLTAGE LINE:CD PLAYBACK SIGNAL LINE IC11 RS10003E2 DC-DC CONVERTER BEDC Q N C Q11 2SB1132T100 REGULATOR D12 MA741WKTX R11 8.2K R12 3.3K VR11 3K(B) R27 3.9K C196.3V22 C220.1 C24560P C201 C10120P R22 22K C21 0.01 R31 68K C30 0.1 C12 10V4.7 C11 1 C17 1 C33 10V4.7 C28 6.3V330 C27 6.3V330 R32 10K R26 100K C35 1 C16 1 C26 1 R295.6K R25 100K D11 MA1070400L D21 MA111TX R28 10 R131K R14 2.2K C36 1 C37 1 1 11 2 12 3 13 4 14 5 15 6 16 7 17 8 18 9 19 10 2021 22 23 25 24 26 27 28 29 30 31 32 33 34 36 37 38 39 40 35 CLKDVDD P.GND2 P.GND1 S/P REGB IOUT LG VG START AMUTE ICNT RESTART VSEN DSW PVCC1 PVCC2 MCLK/ CHARGE MLD/ VCNT MDATA/ EMP MSTAT/ ACDET PREGND AREF AVCC CRP RESET SOFT EO EI VADJ CT SPRT OFF BOUT STROBE SEI VSUB SSW USW SVCC Q903 DTA144EUA106 BUZZAR AMP L11 L13 L12 R1539K R16 39K C23 1 Q954 XN1215TX SWITCHING (REMOTE) Q955 UN5213TX SWITCHING (REMOTE) Q953 DTC114EUA106 SWITCHING (REMOTE) 10K 10K 47K 47K 10K 10K E F L A Q952 2SD1819ATX SWITCHING (REMOTE) R954 4.7K R952 10K D911 MA142WKTX R905 47K R955 12K Q951 2SB1218ATX SWITCHING (REMOTE) C951 0.022 R951 820 R953 4.7K 47K 47K A B C13 6.3V47 C14 4V220 A C15 0.1 2.8V 3.2V 2.5V 2.8V 1.2V 1.5V 3V 3V 2.8V 1.6V 0.6V 0.9V 0.5V 0V 2.4V 0V 3.2V 2.5V 2.5V 2.5V 3V 3V 2.5V 2.5V 2.5V 2.5V 2.4V 6.1V 0V 2.8V 7.1V 2.8V 0V 0V 0V 2.8V 2.8V 2.5V 6.1V 2.4V 2.8V 3.2V 0V 3.2V 2.5V 3.2V 3.1V 0V 3.1V 2.9V 2.5V 2.5V 0V 2.9V 2.8V 2.9V 2.8V 2.9V 0.2V 0V 2.5V :POSITIVE VOLTAGE LINE:CD PLAYBACK SIGNAL LINE POWER SUPPLY VOLTAGE ADJ. JK601 OUT(3.5) D901 MA142WKTX R S G K G L Q701 Q702 R710 12K Q701,702 2SD1328TX MUTING R711 10K R709 3.9K IC701 NJU7082BVTE1 HEADPHONES AMP R609 3.3K R L G C609 0.1 C707 0.1 S Q904 2SD1819ATX SWITCHING (REMOTE) 47K 10K 47K 47K Q902 XN1210TX MUTING CONT. Q901 DTA114YUA106 MUTING CONT. 47K 47K R901 820 R712 330 1234 5678 A B Q703 XN1210TX SWITCHING Q601 Q601,602 2SD1328TX MUTING Q602 R902 270K CN11 ICP11 UNHH20600L CN51 R607 1K R608 1K C607 680P C608 680P R703 18 R705 1.5 R904 47 C901 3300P RJ904 0 R704 18 R706 1.5 R707 4.7K R708 4.7K C705 4V220 C706 4V220 R701 100K R702 100K C7041 C703 1 C701 6.3V47 VR701-2 50K(C) (VOLUME) VR701-1 50K(C) C605 4V10 C606 4V10 R605 47K R606 47K C RJ902 0 C702 0.1 JK701 HEADPHONES 16(3.5) S S D R551 1K C551 0.1 C552 0.1 D903 MA143TX JK551 OPT OUT 4.7K 4.7K Q551 DTA143EUA106 POWER SUPPLY A B R750 5.6K R751 5.6K C751 5.6K C750 5.6K C BATTERY CASE JK11 DC IN 4.5V 2 R03/LR03(UM-4) BATTERIES3V 2 RECHARGEABLE BATTERIES2.4V 2 R6/LR6(UM-3) BATTERIES3V 2.5V 2.8V 0V (0V) 2.5V (2.8V) 0V 0V (2.8V) (2.8V) 0V (2.8V) 2.2V 2V (0V) 0V 0V (-0.2V) 0.7V 0.7V (-0.2V) 1.5V1.5V1.5V 1.5V1.5V1.5V2.5V 0V 2.4V 2.4V 0V 0V 0V (-1.5V) 0.7V 0.7V (-1.5V) 2.5V 1.1V 2.5V 1kHz,0dB (VOL:5) 0.6V P-P PLAY 1kHz,0dB 1.1V P-P PLAY 1kHz,0dB (VOL:5) 0.7V P-P PLAY 3.2V 3.2V 0.4V 2.5V :POSITIVE VOLTAGE LINE:CD PLAYBACK SIGNAL LINE