Yamaha-CDXE400-cs-sch 维修电路原理图.pdf

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1、ABCDEFGH123456CDX-E40024I IC BLOCKVCCE C+NCOUTPUT(+5V)DELAYRESET OUTBAL. ADJ.GNDON/OFFECNCVCCDELAYCIRCUITREFERENCEREGULATORPROTECTIONON/OFFCONTROLREFERENCEIN+CURRENTCONTROLCURRENTCONTROL16151279103246118114135OUTPUT(5V)CURRENTCONTROLIC4 : M5290PConstant-Voltage Tracking Supply with ResetIC101 : AN83

2、99SACD Head AmpIC303 : M56789FP4-Channel Actuator Driver+OUT1IN1VCC+VCCOUT212345+IN1IN2+IN2 +678IC104 : S-24C01ADPElectrically Erasable PROMIC3, 105 : NJM2068D-DDual OP-Amp84523761VCCVSSSDASCLNCNCNCNCDATA REGISTERE PROM32X32H.V.GENERATIONTIMING &CONTROLXDECYDECWORDADDRESSCOUNTERSTARTSTOPLOGICCONTROL

3、LOGICDOUTACK328DOUT3252CKPININCLOADSTARTCYCLE2+2120+19+21SUBTAMP+GCABCA3231231116104568912131415AMPGCABCA3029AMPGCABCA27AMPGCABCA28SUBTNRFDET3TENVOFTRBDOAGCRF EQBAND GAP22251773262418ACBDEFVREFSLPSWGCTLTBALFBALLDRCTLGNDVCCCEARFNRF OUTRF INCAGCARFCBDOBDOCOFTROFTR3T OUTNRFDETFENFEOUT TENTE OUTLDPDDIN6

4、0-40841SS133MTZJ4.3AMTZJ5.1BMTZJ5.6BMTZJ30.0BS-24C01ADPNJM2068D-D2SB1565(E,F)2SD2396(J,K)2SB544(E,F,G)2SA933S(Q,R)2SD1915(F)STAnodeCathodeBCEBCEBCE2SA1708(S,T)M56789FPMN35511AL414021606180201148IC301 : LC75710NEFL DriverG7G8G9G10G11AA8/G12AA7/G13AA6/G14AA5/G15AA4/G16AA3AA2AA1AA35AA34AA33484746454443

5、42414039383736353433123456789101112131415164950515253545556575859606162636432313029282726252423222120191817G6G5G4G3G2G1VFLTESTVSSOSCOOSCIVDDRESCECLDIAM32AM31AM30AM29AM28AM27AM26AM25AM24AM23AM22AM21AM20AM19AM18AM17AM1AM2AM3AM4AM5AM6AM7AM8AM9AM10AM11AM12AM13AM14AM15AM16ADDRESSREGISTERSHIFTREGISTERCONT

6、ROLBLINKCYCLEREGISTERDISPLAYREGISTERDUTYCYCLEREGISTERGRIDREGISTERINSTRUCTIONDECODERADDRESSCOUNTERBLINKGENERATORDISPLAYCONTROLDUTYGENERATORGRIDCONTROLCONTROLDIVIDERDECODEROSCTIMINGGENERATORLATCHLATCHANODEDRIVERGRIDDRIVERDC RAMAD RAMCG ROMCG ROMAM1AM2AM35AA1AA2AA3AA4/G16AA5/G15AA6/G14AA7/G13AA8/G12G11

7、G10G2G1DICLCEVDDVSSVFLRESTESTOSC IOSC OI PIN CONNECTION DIAGRAMM5290PEBCLC75710NEPD78076GF-108-3BA33321748496416151503181801003012814115M56789FP18168IC302 : LB1641Motor Driver23P15IN 11GND4VZ6IN 2OUT 18VCC 210OUT 29P2INPUT LOGICPRE DRIVER7VCC 1LB1641S1NB20+110IN1+IN1OUT1SIN1SOUT14019181514121316IN2I

8、N2+5641222124 25284223+A2+A4+A4+A3+A3DIFFERENTIAL VOLTAGE GAINx 5+25K4ch23K5K10K5K10KS1E1CH1BIASVCC2OP2OP1VCC1VREF0+A3+A35K10K5K10KS2E2VM1()VM2()VM2(+)VM1(+)9SOUT23SIN24OUT2810DIFFERENTIAL VOLTAGE GAINx 5+CH2+A1+A1+60K60K25K4KE4CH4+A1+A360K60KE3+CH3171211 29 33207MUTE2GND(4PIN)SLEEPHi:SleepVm1VCC1OP

9、2OUTMUTE1VCC2VREFVREFOIN3IN3+Vm3OUT3VM3()VM3(+)VM4(+)VM4()IN4AVm2IN4BOP1OUTOP1+OP2+OP2OP125K1ch2ch3ch23KTSD2827303231383639353734DIFFERENTIAL VOLTAGE GAINx 10DIFFERENTIAL VOLTAGE GAINx 1042211RadioFans.CN 收音机爱 好者资料库ABCDEFGH123456IJKLMN78910CDX-E40025I SCHEMATIC DIAGRAM* All voltage are measured with

10、 a 10M/V DC electric volt meter.* Components having special characteristics are marked Zandmust be replaced with parts having specifications equal to thoseoriginally installed.* Schematic diagram is subject to change without notice.VCC/RESETPoint w (Pin 10 of IC103)V : 2V/div, H : 0.2sec/divDC, 1 :

11、1 probePoint q (Pin 59 of IC102)V : 2V/div, H : 50nsec/divDC, 1 : 1 probe0V0VPoint 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/divPoint e (Pin 58 of IC301)V : 2V/div, H : 0.2sec/divDC, 1 : 1 probe0VAC CORD : OFFAC CORD : O

12、NCD HEAD AMPSPC & DACSYSTEM CONTROLMOTOR DRIVERFL DRIVERACT. MOTOR DRIVERPOWER SUPPLYMUTE CONTROLEEPROMLD DRIVEMUTING5.15.105.1000005.05.000005.15.0005.105.15.05.11.35.0012.65.012.601.25.15.55.128.228.8022.628.232.122.122.112.610.210.25.5009.49.4010.25.25.25.25.210.20.40.510.25.25.200AC19.6AC3.72.52

13、.501.14.95.12.60.23.93.95.12.62.64.62.62.62.62.62.6000002.62.62.52.52.52.52.54.13.52.52.52.52.42.75.02.602.502.42.62.62.62.52.52.52.52.42.52.52.52.502.61.42.62.62.15.15.10002.52.55.1002.52.52.52.55.05.15.15.15.105.15.15.10005.12.605.105.15.105.12.52.505.15.102.62.505.15.15.15.15.15.105.15.100000005.

14、15.15.15.15.1000005.105.12.42.800005.15.005.1000005.15.022.322.322.322.3ewrqABrtCIRCUIT CHANGES BY MARKET.O : USEDX : NOT USEDPD78076GF-108-3BAZZZZZPoint t (EFN)V : 0.2V/div, H : 0.5sec/divAC, 1 : 1 probeTest discSONY YEDS-18 (P/No. TX911730)A-BEX TCD-782 (P/N. TX913350)or Philips 5: x1RadioFans.CN 收音机爱 好者资料库