Yamaha-CDXE-400-Schematic电路原理图.pdf

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1、ABCDEFGH 1 2 3 4 5 6 CDX-E400 24 I IC BLOCK VCCE C+NC OUTPUT (+5V)DELAY RESET OUT BAL. ADJ. GND ON/OFF ECNCVCC DELAY CIRCUIT REFERENCE REGULATOR PROTECTION ON/OFF CONTROL REFERENCE IN+ + CURRENT CONTROL CURRENT CONTROL 1615127 9 10 324 6 11 8 1 1413 5 OUTPUT (5V) CURRENT CONTROL IC4 : M5290P Constan

2、t-Voltage Tracking Supply with Reset IC101 : AN8399SA CD Head Amp IC303 : M56789FP 4-Channel Actuator Driver + OUT1 IN1 VCC +VCC OUT2 1 2 3 45 +IN1IN2 +IN2 + 6 7 8 IC104 : S-24C01ADP Electrically Erasable PROM IC3, 105 : NJM2068D-D Dual OP-Amp 8 4 5 2 3 7 6 1 VCC VSS SDA SCL NC NC NC NC DATA REGISTE

3、R E PROM 32X32 H.V.GENERATION TIMING & CONTROL XDEC YDEC WORD ADDRESS COUNTER START STOP LOGIC CONTROL LOGIC DOUT ACK 32 8 DOUT 32 5 2 CK PIN INCLOAD START CYCLE 2 + 21 20 + 19 + 2 1 SUBT AMP + GCABCA 32 31 23 11 16 10 4568912131415 AMPGCABCA 30 29 AMPGCABCA27 AMPGCABCA28 SUBT NRFDET3TENV OFTRBDOAGC

4、RF EQ BAND GAP 22 251773262418 A C B D E F VREF SLPSW GCTL TBAL FBAL LDRCTL GND VCC CEA RFN RF OUT RF IN CAGC ARF CBDO BDO COFTR OFTR 3T OUT NRFDET FEN FEOUT TEN TE OUT LD PD DIN60-4084 1SS133 MTZJ4.3A MTZJ5.1B MTZJ5.6B MTZJ30.0B S-24C01ADP NJM2068D-D 2SB1565(E,F) 2SD2396(J,K) 2SB544(E,F,G) 2SA933S(

5、Q,R) 2SD1915(F)ST Anode Cathode B C E B C E BCE 2SA1708(S,T) M56789FP MN35511AL 41 40 21 60 61 80 201 1 4 8 IC301 : LC75710NE FL Driver G7 G8 G9 G10 G11 AA8/G12 AA7/G13 AA6/G14 AA5/G15 AA4/G16 AA3 AA2 AA1 AA35 AA34 AA33 48 47 46 45 44 43 42 41 40 39 38 37 36 35 34 33 1 2 3 4 5 6 7 8 9 10 11 12 13 14

6、 15 16 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 32 31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 G6 G5 G4 G3 G2 G1 VFL TEST VSS OSCO OSCI VDD RES CE CL DI AM32 AM31 AM30 AM29 AM28 AM27 AM26 AM25 AM24 AM23 AM22 AM21 AM20 AM19 AM18 AM17 AM1 AM2 AM3 AM4 AM5 AM6 AM7 AM8 AM9 AM10 AM11 AM12 AM13 AM1

7、4 AM15 AM16 ADDRESS REGISTER SHIFT REGISTER CONTROL BLINKCYCLE REGISTER DISPLAY REGISTER DUTYCYCLE REGISTER GRID REGISTER INSTRUCTION DECODER ADDRESS COUNTER BLINK GENERATOR DISPLAY CONTROL DUTY GENERATOR GRID CONTROL CONTROL DIVIDERDECODEROSC TIMING GENERATOR LATCH LATCH ANODE DRIVER GRID DRIVER DC

8、 RAM AD RAM CG ROM CG ROM AM1 AM2 AM35 AA1 AA2 AA3 AA4/G16 AA5/G15 AA6/G14 AA7/G13 AA8/G12 G11 G10 G2 G1 DI CL CE VDD VSS VFL RES TEST OSC I OSC O I PIN CONNECTION DIAGRAM M5290P E B C LC75710NEPD78076GF-108-3BA 33 32 17 48 49 64 161 51 50 31 81 80 100 301 28 14 1 15 M56789FP 1 8 16 8 IC302 : LB1641

9、 Motor Driver 23 P1 5 IN 1 1 GND 4VZ 6IN 2 OUT 1 8 VCC 2 10 OUT 2 9 P2 INPUT LOGIC PRE DRIVER 7 VCC 1 LB1641 S1NB20 + 1 10 IN1+ IN1 OUT1 SIN1 SOUT1 40 19 18 15 14 12 13 16 IN2 IN2+5 6 41222124 25284223 + A2 + A4 + A4 + A3 + A3 DIFFERENTIAL VOLTAGE GAIN x 5 + + 25K 4ch 23K 5K10K 5K10K S1 E1 CH1 BIAS

10、VCC2 OP2OP1 VCC1 VREF0 + A3 + A3 5K10K 5K10K S2 E2 VM1() VM2() VM2(+) VM1(+) 9 SOUT23 SIN24 OUT28 10 DIFFERENTIAL VOLTAGE GAIN x 5 + + CH2 + A1 + A1 + + 60K60K 25K4K E4 CH4 + A1 + A3 60K60K E3 + + CH3 171211 29 33207 MUTE2 GND(4PIN) SLEEP Hi:Sleep Vm1VCC1 OP2 OUT MUTE1 VCC2VREFVREFO IN3 IN3+ Vm3 OUT

11、3 VM3() VM3(+) VM4(+) VM4() IN4A Vm2 IN4B OP1 OUT OP1 + OP2 + OP2 OP1 25K 1ch 2ch 3ch 23K TSD 28 27 30 32 31 38 36 39 35 37 34 DIFFERENTIAL VOLTAGE GAIN x 10 DIFFERENTIAL VOLTAGE GAIN x 10 42 21 1 RadioFans.CN 收音机爱 好者资料库 ABCDEFGH 1 2 3 4 5 6 IJKLMN 7 8 9 10 CDX-E400 25 I SCHEMATIC DIAGRAM * All volt

12、age are measured with a 10M/V DC electric volt meter. * Components having special characteristics are marked Zand must be replaced with parts having specifications equal to those originally installed. * Schematic diagram is subject to change without notice. VCC /RESET Point w (Pin 10 of IC103) V : 2

13、V/div, H : 0.2sec/div DC, 1 : 1 probe Point q (Pin 59 of IC102) V : 2V/div, H : 50nsec/div DC, 1 : 1 probe 0V 0V Point r-A (/RESET : Pin 8 of IC4) Point r-B (VCC : Pin 16 of IC4) V : 2V/div (/RESET), V : 5V/div (VCC) DC, 1 : 1 probe, H : 5 sec/div Point e (Pin 58 of IC301) V : 2V/div, H : 0.2sec/div

14、 DC, 1 : 1 probe 0V AC CORD : OFFAC CORD : ON CD HEAD AMP SPC & DAC SYSTEM CONTROL MOTOR DRIVER FL DRIVER ACT. MOTOR DRIVER POWER SUPPLY MUTE CONTROL EEPROM LD DRIVE MUTING 5.1 5.1 0 5.1 0 00 00 5.0 5.0 00 00 5.1 5.0 0 0 5.1 0 5.1 5.0 5.1 1.3 5.0 0 12.6 5.0 12.6 0 1.2 5.1 5.5 5.1 28.2 28.8 0 22.6 28

15、.232.122.1 22.1 12.6 10.2 10.2 5.5 0 0 9.4 9.4 0 10.2 5.2 5.2 5.2 5.2 10.20.4 0.5 10.2 5.2 5.2 0 0 AC19.6 AC3.7 2.5 2.5 0 1.1 4.9 5.1 2.6 0.2 3.9 3.9 5.1 2.6 2.6 4.6 2.6 2.6 2.6 2.6 2.6 0 0 0 0 0 2.6 2.6 2.5 2.5 2.5 2.5 2.5 4.1 3.52.5 2.5 2.5 2.4 2.7 5.0 2.6 0 2.5 0 2.4 2.6 2.6 2.6 2.5 2.5 2.5 2.5 2

16、.4 2.5 2.5 2.5 2.5 0 2.6 1.4 2.6 2.6 2.1 5.1 5.1 0 0 0 2.5 2.5 5.1 0 0 2.5 2.5 2.5 2.5 5.0 5.1 5.1 5.1 5.1 0 5.1 5.1 5.1 0 0 0 5.1 2.6 0 5.1 0 5.1 5.1 0 5.1 2.5 2.5 0 5.1 5.1 0 2.6 2.5 0 5.1 5.1 5.1 5.1 5.1 5.1 0 5.1 5.1 0 0 0 0 0 0 0 5.1 5.1 5.1 5.1 5.1 000 0 0 5.1 0 5.1 2.4 2.8 0 0 0 0 5.1 5.0 0 5

17、.1 0 0 0 0 0 5.1 5.0 22.3 22.3 22.3 22.3 e w r q A B r t CIRCUIT CHANGES BY MARKET. O : USEDX : NOT USED PD78076GF-108-3BA Z Z Z Z Z Point t (EFN) V : 0.2V/div, H : 0.5sec/div AC, 1 : 1 probe Test disc SONY YEDS-18 (P/No. TX911730) A-BEX TCD-782 (P/N. TX913350) or Philips 5: x1 RadioFans.CN 收音机爱 好者资料库