Yamaha-RX397-rec-sch(1) 维修电路原理图.pdf

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1、RX-39728I BLOCK DIAGRAMHead PhoneC834,835C156,159Front AFront BRY101RY102RY103PowerAmpC157,158C140C141+BBGD112-115+15V15V22VQ121Q128+1515GC135C144FL1FL2SW101SW101D111GQ801VPC803+D806D109D110ACLACLACHACHACLACLACLQ254D259PowerDetector/ResetQ252POWER RELAY+5.5VIC601Q605G+5S+5M+5BUD605D604D603POWER SAVE

2、RY251s10C261D261IC251,252,253POWER RELEY70SPEAKER RELEY76,77MUTE CONTROL65POWER SAVE81HP RERAY72MicroprocessorM30626IC602XL60116MHzTUNER/RDSSERIAL CONTROLANALOG1315MDTAPEREC OUTRY251F252F251/J252TE251/MIMTMutingQ401,402NJU7313AMMotor VolumeVR431/IC431ToneCon/BalanceVR751-754IC4018,236+9,22+253,2811,

3、2012,192,297,245,264,27Pure Direct SWSW402SwitchIC501AnalogFM/AMPHONO EQIC301PHONOCD/DVDMDTAPEFM/AMTUNER7.2MHzAUXPRI80PRV90PRD91THMR93POWERDETECT20/RESET12IR REMOTEU801VOLUMEVR431, IC431INPUT SELECTORSW827FL DISPLAYV801FL DRIVERIC80183,100,1,294,9584,8578,7974,1875KEYSW801-818SPEAKER SW/STANDY SWSW8

4、23/SW828/SW825OPERATION See page 30 SCHEMATIC DIAGRAMMAIN See page 31 SCHEMATIC DIAGRAMOPERATION See page 30 SCHEMATIC DIAGRAMOPERATION See page 30 SCHEMATIC DIAGRAMFUNCTION See page 29 SCHEMATIC DIAGRAMRadioFans.CN 收音机爱 好者资料库ABCDEFGH123456IJK78RX-39729I SCHEMATIC DIAGRAM (FUNCTION)*All voltages are

5、 measured with a 10M/V DC electronic volt meter.* Components having special characteristics are marked Zandmust be replaced with parts having specifications equal tothose originally installed.* Schematic diagram is subject to change without notice.IC501: NJU7313AMAnalog Function Switch13NC18 NC23456

6、7891011121430129282726252423222120191715CONTROLLEVEL SHIFTERLATCHLEVEL SHIFTERLATCHL1L2L3L4L-COM1L5L6L-COM2L7L8L-COM3STVDDVEER1R2R3R4R-COM1R5R6R-COM2R7R8R-COM3DATACKVSS16000000010.15.4 5.45.45.44.84.84.85.211.911.914.512.312.35.65.64.84.20.10.14.84.74.74.74.74.74.74.704.64.700000000004.74.74.74.74.8

7、4.74.72.32.200000000004.74.74.74.74.74.74.74.84.84.44.600000004.74.74.74.74.7-14.44.84.84.84.801.61.81.71.70.9000000000000000000000000-0.6-0.614.2-14.51TAPEREC OUTTO OPERATION (2) CB407Page 30 A-2TO OPERATION (2) CB401Page 30 A-3TO MAIN (1) W103Page 31 C-2TO OPERATION (1) CB801Page 30 A-7TO OPERATIO

8、N (13) CB301Page 30 J-6CD/DVDAUXMD INMD OUTTAPE PBIC603 : LC72722PMRDS Decoder+ +REFERENCEVOLTAGE57kHzbpf(SCF)CCBTESTPLL(57kHz)ANTIALIASINGFILTERSMOOTHINGFILTERRAM(24 BLOCK DATA)ERROR CORRECTION(SOFT DECISION)SYNC/ECCONTROLLERSYNCDETECT-1DATADECODERCLOCKRECOVERY(1187.5Hz)MEMORYCONTROLOSC/DIVIDERVREF

9、CLK(4.332MHz)SYNCDETECT-2VDDAVSSDVDDDRDS-IDSYNCSYRVSSAMPX INDOCLDICET1T2T3T4T5T6T7X INVREFFL OUTC INX OUT3141519182415642202122237891011 16 171312Point q (Pin 13 of IC602)RadioFans.CN 收音机爱 好者资料库ABCDEFGH123456IJKL78RX-39730I SCHEMATIC DIAGRAM (OPERATION)*All voltages are measured with a 10M/V DC elec

10、tronic volt meter.* Components having special characteristics are marked Zandmust be replaced with parts having specifications equal tothose originally installed.* Schematic diagram is subject to change without notice.13.114.513.1-14.4-14.40000000.10.10.60.60.80.81.81.814.114.0-14.014.11.40000000.10

11、.10.1-15.7-12.7-12.8-19.7-19.6-13.1-21.4-21.4-21.4-21.4-21.4-19.6-19.6-19.3-14.4-14.4-14.8-15.8-13.9-13.9-19.8-19.8-19.8-19.8-19.8-19.8-19.8-19.8-19.8-19.8-19.8-19.8-19.8-19.8-19.8-15.7-16.0-18.8-18.8-21.6-21.24.8-21.4-21.4-21.4-13.1-19.9-12.74.84.74.74.74.72.102.1-14.4-19.6-19.8000000012.6-12.60-22

12、.3-22.3-21.6-27.7-27.7-28.8-19.4-21.3-19.3-14.8-15.8-13.9-12.7-12.7-13.9-12.4-12.7-12.7-21.4-21.3-21.2-21.2-21.2-21.3-21.4-21.4-21.4-21.44.84.84.80-14.4-19.6-19.8-19.8-19.8-19.8-19.8-19.8-19.8-19.8-19.8-19.8-19.8-19.8-19.8-19.8-19.8-21.6-19.6-21.3-21.40.10PURE DIRECT ONPURE DIRECT OFFPURE DIRECT OFF

13、TO FUNCTION (2) CB611Page 29 D-4TO FUNCTION (2) W601Page 29 D-4TO MAIN (1) CB107Page 31 A-6TO MAIN (2) W293Page 31 J-5TO FUNCTION (2) CB607Page 29 H-3TO FUNCTION (2) CB606Page 29 F-3TO MAIN (1) CB103Page 31 B-2IC431: LB1641Motor Driver23P15IN 11GND4VZ6IN 2OUT 18VCC 210OUT 29P2INPUT LOGICPRE DRIVER7V

14、CC 1IC301, 401, 751: NJM2068MD-TEDual OP-Amp+OUT1IN1VCC+VCCOUT212345+IN1IN2+IN2 +678IC801: M66003-0131FPDisplay Driver52DisplaycontrollerSegmentdigitselect/outputcircuitSerialreceivecircuitDigit outputcircuitClockgeneratorDIG11/SEG4251DIG12/SEG4150DIG13/SEG4049DIG14/SEG3948DIG15/SEG3847DIG16/SEG3746

15、DIG17/SEG3645SEG35XOUT6Vcc18Vcc218Vss5Vp64XIN7CSSCK3SDATA4RESET1SEG00449SEG34SEG261719SEG25SegmentoutputcircuitDisplay codeRAM(8-bit x 60)CGROM(35 bit x 166)CGROM(35 bit x 16)codeselectCodewriteCode/commandcontrol circuitDIG006353DIG102datatimingclockdot datawritescan pulseABCDEFGH123456IJK78RX-3973

16、1*All voltages are measured with a 10M/V DC electronic volt meter.* Components having special characteristics are marked Zandmust be replaced with parts having specifications equal tothose originally installed.* Schematic diagram is subject to change without notice.I SCHEMATIC DIAGRAM (MAIN)00000000

17、000.10.95.95.93.63.63.93.83.83.44.13.325.525.525.525.514.515.115.115.1-15.1-15.1-14.6-28.432.232.244.9(32.8)-44.9(-32.8)-32.532.132.125.525.50.60.70.7-1.0-1.0-1.0-0.5-0.5-0.444.844.844.60.50.50000001.11.10-44.4-44.2-44.9-44.9-43.6-43.6-43.6-43.6-44.4-44.2-44.9-44.900.100.6-1.1-1.1-0.41.01.00.50.5000

18、000044.844.84.74.84.84.64.34.60000000010.10.10.10.110.110.11.11.0044.844.644.7-1.1-0.5-0.5AC4.2AC5.6AC65.3AC48.02CH12CH2TO OPERATION (1) W801Page 30 D-8TO FUNCTION (2) CB605TO POWER TRANSFORMERPage 29 E-3TO MAIN (2) CB257Page 31 K-5TO MAIN (4) W291TO POWER TRANSFORMERorPage 31 G-5TO POWER TRANSFORME

19、RTO POWER TRANSFORMERTO POWER CABLETO OPERATION (12) CB282Page 30 G-5TO OPERATION (2) W404Page 30 E-2SPEAKERS Vout +Vs GNDIC102 : LM61CIZTemperature SensorPoint wCH 1 : (+) of C252CH 2 : Collector of Q251AC POWER ON(Connect the power cable)AC POWER OFF(Disconnect the power cable)AC POWER ON(Connect

20、the power cable)IC252 : TC4013BPDual D Flip Flop12345671Q1CP1CL1PR1DATA1QVSS141312111098VDD2Q2CP2CL2PR2DATAQCPCLQDPR2QQCPCLQDPR33RX-397RX-397REMOTE CONTROL RAX16I SCHEMATIC DIAGRAMR247R11Q11234567891020191817151614131211 U1 PD67AMC311X1+3V47FC1D14.00MHzK15K7K25K29K6K16K9K8K26K27K1K20K4K19K18K3K21K23

21、K22K24K10K14K28K2K5ZONE3ZONE2SW2ID2ID1SW1KI/O6KI/O5KI/O4KI/O3KI/O2KI/O1KI/O0KI3KI2KI1KI0KI/O7S0S1/LEDREMVDDXOUTXINGNDS2J2K1712654378910141517192018162122232428272625293031KeyNo.12345678910111213141516171819202122232425262728293031Key NameSLEEPPOWERCD/DVDPHONOTUNERSTANDBYMDTAPEAUXSPEAKERS-A(no key)(n

22、o key)(no key)SPEAKERS-BPRESET (+)VOLUME (+)PRESET (-)VOLUME (-)A/B/C/D/EMUTEDeviceDeviceDeviceDeviceDeviceDeviceDeviceDeviceDeviceAMP/DEVICECD/TAPEDEVICECD7D-937D-B27D-877D-887D-897D-B17D-867D-8B7D-8A7D-E7(no code)(no code)(no code)7D-E87D-F57D-8D7D-F67D-8E7D-F77D-94REWPAUSEFFDISPLAYSKIP (-)STOPSKIP (+)DISC SKIPPLAYREWA/BFFDIR ASTOPDIR BRECPLAY7A-0D7A-097A-0C79-0A7A-0B7A-097A-0A7A-4F7A-087A-017A-067A-027A-077A-037A-407A-047A-00(no code)(no code)(no code)(no code)7D-237D-257D-267D-24(no code)FREQ/TEXTMODE-PTYSEEK-STARTEONAMP(RDS)TAPECode (ID2)(no code)KEY NO. LAYOUTYAMAHA RAX16 IR CODE TABLE