Technics-SLCT-480-Schematics电路原理图.pdf

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1、FOCUS COIL TRACKING COIL GNDF VCC B LD GND E VREF A LPD 12345 678910 2K PDF PDB PDE LD GND GND GND FO- TR- FO+ TR+ LDDRV NC LPD PDA VREF VCC 0.22 0.047 0.22 R202 22K 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 CN101 OPTICAL PICKUP 1234567891011121314 151617181920212

2、2232524262728 PDEFBAL PDF VDD PDA PDB LPD LD RF RF IN CSBRT CEA BDO LDON GND TBAL VREF FE IN FE OUT TE OUT TE IN EQSW GCLT ENV DEFLVL OFTR PDOWN /RFDET IC101 AN8885SBE1V SERVO AMP C101 0.1 C112 220P C121 120P R122 120K R120 10K R121 120K C120 1500P C111 0.022 C113 0.1 C117 0.022 R128 10K C116 0.022

3、RF C1150.022 C1030.022 C114 0.1 R125 120K R101 100 S201 (LASER ON/OFF) (SHORT LAND) J L A BCDEFG R126 100K K VREF R203 1 C201 6.3V22 R201 2.2 Q201 2SB709ATX LASER POWER DRIVE A B C D E F AFBCDE A B C D M RX141 0 RJ101 0 B A IH G H GH :POSITIVE VOLTAGE LINE:PLAYBACK SIGNAL LINE 2.6V 1.3V 1.3V 2.6V 1.

4、3V 1.3V 0.6V(1.2V) 0.7V 1.2V 1.2V 0V 0V(2.6V) 1.3V 1.3V 1.3V 1.3V 1.3V 1.3V 1.3V 2.6V 0V 1.3V 0V 0V 0V 2.5V(0V) 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. 2.6V 0V(0.2V) 2.1V(1.8V) 2.6V0.8V(1.8V) 2.1V (1.8V) RadioFans.CN 收音机爱好者资料库 LCD301(L5AAACB00015) 125

5、6789 10 11 12 13 14 15 16 17 18 19 LCD DISPLAY 34 132456789 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 A B C D E FG HIJK LM N O P Q R S TU V CN301 OPERATION LCD UNIT 30 S812 (/) S811 (OPR OFF) R811 12K S832 (MODE) R810 10K R832 27K S833 (/) R831 12K S831 (VOLUME+) R830 10K AC D FG HIJK LM N O P Q

6、R SB AC D E F G HIJKL M N O P Q R SB 25 26 27 28 29 132456789 10 11 12 13 14 15 16 17 18 19 20 21 22 23 243025 26 27 28 29 R820 10K R822 27K S823 (MEMORY/ RECALL) S822 (VOLUME-) R821 12K S821 (EQ) S801 () A OFFON R303 1K S310 (HOLD) B R360 0 R313 100K R325 33K R306 47K B C D E R324 1M C301 1 E H R30

7、1 100K R361100K R302100K C302 1 R3041M R308 100K C399 22P R305 3.3M X301 (32kHz) C398 22P R3511K R3571K R356 1K EA B C DG VTAUR Q P O N M LK JIH G FS 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

8、 17 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1SEG10 SEG11 SEG12 SEG13 SEG14 SEG15 LDSEL2 LDSEL3 PMSEL SOUND RAMSEL2 RAMSEL REMSEL LDOFF X3 XBS MUTE GUP TX POWER MUTE L PDOWN RW POWER JACKM1 JACKM2 RESUME HOLD A.SHOCK REST Vss X OSC OUT X OSC IN EXT-OUT EXT-IN /RESET TYPESEL RIO WLSRCN BLKCK STAT MDATA M

9、CLK MLD PLAY AC DET PMSEL2 MUTE LD MUTE H CHARGE2 BUZ CHARGE1 OPEN KEY1 KEY2 KEY3 VMON2 VMON DOCTOR 6KEY VL2 VL3 COM0 COM1 COM2 COM3 AVss VREF Vcc SEG1 SEG2 SEG3 SEG4 SEG5 SEG6 SEG7 SEG8 SEG9 SEG0 VL1 LDSEL1 E F G H I J K L M N O P QFf R307 10K C304 0.1 Vcc GND R310 1K IC301 C2BBFD000293 SYSTEM CONT

10、ROL/ LCD DRIVE :POSITIVE VOLTAGE LINE 2.6V 2.8V 1.4V 1.4V 1.4V 1.4V 1.4V 1.4V 1.4V 1.4V 1.4V 1.4V 2.8V 2.6V 1.4V 1.4V 1.4V 1.4V 2.8V 1.9V 0.9V 1.4V 1.4V 1.4V 1.4V 2.8V 2.8V 2.8V2.8V 0V 0V 0V 2.8V 2.8V 1.3V 1.2V 0.4V 0.4V 2.7V 0.5V 0V 0V 0V 2.8V 2.8V (1.2V) 2.7V 0V 0V 0V 0V 2.5V 0V 2.6V 2.6V 2.6V 2.6

11、V 2.5V 1.9V 2.6V PLAY 0V 2.6V F=150Hz PLAY 0V 2.8V T13.3ms. F=4.2336MHz 2.2V P-P F=4.2336MHz 1.9V P-P 2.8V 0.8V 0V 1.8V T15.4ms. 2.8V 0.8V 0V 1.8V T15.4ms. PLAY 0V 2.8V T13.3ms. 2.8V 2.8V 2.6V RadioFans.CN 收音机爱好者资料库 G D S IC501 MN662786SB SERVO PROCESSOR / DIGITAL SIGNAL PROCESSOR / DIGITAL FILTER

12、& D/A CONVERTER IC502 M51V7400D1FS 16M DRAM X501 (16.9MHz) VDD 1234589101112 13141516172021222324 A3 A2 A1 A0 NRAS NWE DQ0 VDD A4 A5 A6 A7 NOE NCAS DQ2 DQ3 VSS 76 1819 A10A8 NCA9 DQ1 VSS RJ504 0 R5112.2K R603 560 C504 0.1 R502 56K C507 4V100 C610 4V47 R508 1 R512 2.2K R514 680 C514 1000P C510 0.1 C5

13、05 0.022 C511 0.1 R513 100K C506 0.47 R505 150 C509 0.01 R506 2.2K C508 0.47 R S T U V W X B M R750 5.6K C603 2700P C604 2700P b R515 15 a C517 1 Q502 2SK1958T1 SWITCHING 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 6

14、7 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 EXT2 DVDD1 DVss1 X1 X2 NTEST SBCK SUBC NCLDCK PMCK SPPOL NRST STAT DMUTE SMCK PWMSEL BLKCK MLD MDATA MCLK TX AVDD2 AVSS2 EXT1 EXT0 FCLK FLAG AD PVCC DSLF DRF PLLF VCOF OUTL AVSS1 OUTR AVDD1 FSEL TMOD1 TMOD2 IOVDD2 TRV+

15、 TRV- TR+ TR- FO+ FO- FBAL TBAL DVDD2 LDON IREF ARF BDO SPOUT FE TE RFENV OFT NRFDET IOVDD1 VSS2 DVDD3V D0 D1 NWE NRAS D3 D2 NCAS0 NCAS1 A8 A7 A6 A5 A4 A9 A0 A1 A2 A3 C750 1 C751 1 A C D F G I K J L R516 100 ACFGHIJKLMNOPEDB A F CIPEDB NMLKJHG A B C D A B C D R517 100K Z E G F B D C Y d e A RJ551 0

16、C525 0.1 RJ502 0 O 3 1 2 R501 68K C503 560P C515 0.1 C611 0.1 RJ505 0 R1000 12K :POSITIVE VOLTAGE LINE:PLAYBACK SIGNAL LINE 2.6V 2.6V 0.3V 0.3V 2.5V 2.6V 0V 0V 0V 0V 0V 2.6V (1.3V) (1.3V) (2.3V) (0.4V) (0.4V) (0.4V) (0.4V) (0.4V) 0V 0V 2.5V 0V 0V 0V 0V 0V 0V 0V (1.3V) (1.3V) (0.4V) (0.4V) (0.4V) (0.

17、4V) (0.4V) (0.4V) 2.1V 1.2V 1.2V 2.6V 2.6V 1.3V 2.6V 2.5V 0V 1.2V 0V 2.8V 0V 2.8V 2.6V 3V 1.5V 1.5V 2.6V 0.7V 0.6V 1.3V 1.3V 1.4V (0.9V) (0.9V) 2.1V 0V 0V 0V 0V 0V 0V 0V 2.6V 1.3V 1.3V 1.3V 1.3V 1.3V 0V 2.5V 0V 0V 1.3V 1.1V (0.5V) (0.2V) (0V) (2.6V) 2.6V 0.3V 0.3V 2.5V 2.6V 0V 0V 2.5V 0V 0V 0V 0V 0V

18、 0V 0V 0V 0V 0V 0V (0V) (1.2V) (1.3V) (1.3V) (2.3V) (1.3V) (1.3V) (0.4V) (0.4V) (0.4V) (0.4V) (0.4V) (0.4V) (0.4V) (0.4V) (0.4V) (0.4V) (0.4V) PLAY 0V 2.6V F=150Hz PLAY 1kHz, 0dB 0.5V P-P PLAY 0.8V P-P 0.5s. 0.2V/DIV. 0.6V P-P F=16.9MHz 1.2V P-P F=16.9MHz 0V 2.6V F=88.2kHz PLAY 0V 2.8V T13.3ms. PLAY

19、 0V 2.8V T13.3ms. 2.6V 2.1V 3V (0.3V) 2.5V 0V 0V PLAY 2.8V 0V T13.3ms. M CN401 M 83245671 CBA TRAVERSE MOTOR S202 (REST DET.SWITCH) SPINDLE MOTOR IC11 AN4831FHQEBV POWER CONTROL & POWER DRIVE C19 6.3V22 L13 330H R12 18K R27 3.9K R22 22K C21 0.01 C10 120P R11 10K C14 4V220 C13 16V47 D22 MA111TX R31 4

20、7K C22 0.1 C20 1 C24 390P C38 6.3V22 D21 MA111TX C17 1 C12 10V4.7 C11 1 R28 1.5K R20 8.2K R30 33K 12 3 VDDOUT Vss 4 NC S G D R29 1K Q17 UN511NTX SWITCHING R901 22K Q903 DTA144EUA106 SWITCHING(BEEP) Q902 B1CDGD000001 SWITCHING(REMOTE) M Q J b D ABCD O EI X W V U T S R Z Y ABCDa N C27 6.3V330 C28 6.3V

21、330 C29 6.3V330 IC12 C0EBB0000031 RESET A B f L14 330H L11330H L12 100H 123456789101112 13 14 15 16 17 18 19 20 40 39 38 37 363534333231302928272625 24 23 22 21 48 47 46 45 44 43 42 41 SOFT START H BRIDGE 4 H BRIDGE 3 H BRIDGE 2 H BRIDGE 1 PVcc2 MONITOR SHORT PROTECT TRIANGLE W.F.GEN. (60kHz) REG LO

22、GIC 1 LOGIC 2 LOGIC 3 LOGIC 4 RIPPLE FILTER PVcc1 DET2 (TUNER) CD/ TUNER (MODE SELECT) SUB CONVERTER DRIVE UP CONVERTER DRIVE DOWN CONVERTER DRIVE PVcc1 DET1 (CD/ TUNER) OUT DRIVE POWER GEN. VMIC CONVERTER CONT. REGB/ SVcc/ VOLTAGE SELECT PVcc2 TRIANGLE W.F.GEN. (100kHz) :POSITIVE VOLTAGE LINE 2.8V

23、2.6V 0V 0V 0V 0V 0V 0V 0V 2.6V 1.3V 5.5V (5.1V) (0V) (0.5V) (0.3V) (0.2V) 1.4V 0V 0V(0.2V) 0V 0V 2.8V 0V 0V 0V 0V (0.6V) 5V(4.4V) 2.8V 2.6V 2.6V 2.6V 2.6V 3.2V 2.8V 6.2V 3V 3V 0V 0.9V 0.6V 2.8V 2.8V 2.8V 0V 0V 0.5V 2.3V 0V2.8V 2.7V 0V 2.6V 2.6V 2.7V2.7V 2.5V 0V2.6V IC701 TA2131FNEL HEADPHONES AMP 1

24、2 3 4 5 6 7 8 9 10 11 12 24 23 22 21 20 19 18 17 16 15 14 13 BST NF1 LPF1 VREF IN VREF GND BEEP IN BST SW MT SW PW SW MT TC Vcc1 NB LPF2 BST NF2 BST OUT AGC IN DET OUT B PWR GND OUT A Vcc2 BEEP OUT A BEEP OUT B NA C717 1 C715 4V4.7 C718 0.22 C714 4V4.7 R711 1K C7020.22 C7080.1 R72022K C704 0.1 C711

25、0.22 R701 10 C712 0.22 R702 10 C705 4V220 C706 4V220 R710 100K C716 4V10 R703 18 R721 3.9K C719 0.1 R709 100K Q13 DTC143EUA106 SWITCHING(CHARGE) Q14 UN5214TX SWITCHING (CHARGE) Q12 B1ABMD000004 SWITCHING (CHARGE) C720 1 ICP11 RSFPB20ET-L CN11 S JK11 DC IN4.5V JK701 HEADPHONE 16 3.5mm STEREO C15 0.1

26、RJ10 0 R10 1K C 2 R03/ LR03(UM-4) BATTERIES3V 2 RECHARGEABLE BATTERIES2.4V R17 2.2 R16 100K R13 1K Q15 DTC143ZUA106 DC IN DET. (AC ADAPTOR) R705 1K R706 1K R704 18 L R S G P K e d L G H Q11 2SB1132T100 REGULATOR R14 47K R15 100K F R723 100K B A R905 47 C902 0.1 C906 0.1 2 R6/ LR6(UM-3) BATTERIES3V :POSITIVE VOLTAGE LINE:PLAYBACK SIGNAL LINE 2.8V 5.7V 0.6V 2.6V 1.2V 2.6V 0V 1.5V 0V 0.6V 0.6V 0.6V 0.6V0.6V 0.6V 0.6V 0.6V 0.8V 0.6V 0.6V 2.6V 0V 0V 0.6V 2.6V 2.5V 0V 0V0V 0V 0V 5.5V 0V 5.7V (5.1V) 0V 2.8V 5.7V (5.1V) 5V(4.4V) 1kHz,0dB (VOLUME:25dB) 1V P-P PLAY 1kHz,0dB (VOLUME:25dB) 1V P-P PLAY