Yamaha-AX397-int-sch(1) 维修电路原理图.pdf

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1、13AX-397DPX-1200AX-397I BLOCK DIAGRAM10dBPHONOCD/DVDSP ASP BPHONESTUNERAUXTAPEINTAPEOUTMDINMDOUTCD/DVD DIRECT AMPINPUTSELECTORPHONO EQ AMPCD/DVD DIRECT AMPMOTORDRIVERONONOFFOFF31.8dBMMain VR10dBRYPSLOUDNESSBALANCETONE CONTROLTAPE MONITORMAINMUTECD-DMUTEABPOWER AMPRYSPLB1515BBLB12S+IC502IC501IC452Q45

2、1,452SW301SW302SW581SW4T151D1518D153156D20D19Q3Q4Q151RY2RY151SW681RY3RY1Q1,2Q26Q27Q25Q530VR421VR531534IC302IC531,532IC421IC452IC453IC456TAPECDDPOWER10dBTAPEMONITORINHMAINMUTESTANDBY/ONRYPS(Power ON/OFF)Remote ControlSERIAL DATA(Input Select)Input SelectTape MonitorMain VRProtectionTAPECDDRYSPMicropr

3、ocessorSW621U631IC301SW622Q305CD-DMUTEQ303XL3014MHz1920116731,323713,1453417333635,384112RadioFans.CN 收音机爱 好者资料库ABCDEFGH123456IJK78AX-39721I SCHEMATIC DIAGRAM (FUNCTION)*All voltages are measured with a 10M/V DC electronic volt meter.* Components having special characteristics are marked Zandmust be

4、 replaced with parts having specifications equal tothose originally installed.* Schematic diagram is subject to change without notice.*電圧、内部抵抗10M電圧計測定。*Z印部品、安全性確保部品示。部品交換必要場合、記載部品使用。*本回路図、標準回路図。改良予告変更。IC302, 501, 502, 531, 532:NJM2068MD-TEDual OP-Amp+OUT1IN1VCC+VCCOUT212345+IN1IN2+IN2 +678IC453: TC4

5、053BPTriple 2 Channel Analog Multiplexers/DemultiplexersIC452: NJU7312AMAnalog Function Switch2345678910111214301292827252423222120191715CONTROLLEVEL SHIFTERLATCHLEVEL SHIFTERLATCHL1L2L3L4L-COM1L5L6L-COM2L7L8L-COM3STVDDVEE13NCR1R2R3R4R-COM1R5R6R-COM2R7R8R-COM3DATACKVSS18 NC1626CD/DVD DIRECT AMP ONCD

6、/DVD DIRECT AMP OFFCD/DVD DIRECT AMP ONCD/DVD DIRECT AMP OFFTO MAIN (1) W2Page 22 B-6TO MAIN (2) W151Page 22 I-1TO MAIN (3) CB201Page 22 A-4TO MAIN (1) CB1Page 22 B-3TO MAIN (5) CB221Page 22 A-1TO MAIN (6) CB226Page 22 A-215.000014.014.114.114.00.10.10015.515.500.1-14.7-13.213.5000000000000000000000

7、0.60.80.80.60.40.401.41.415.215.2000000000000000000000000015.6-15.709.69.69.69.69.6-9.5-9.5000.70.700002.15.12.15.12.10.22.15.12.15.12.15.15.05.05.05.00000006.9000000.20.20.10.11.01.01.75.05.005.05.05.05.15.15.15.15.15.15.15.15.15.00000001.71.70.105.05.05.02.22.405.05.04.905.00.10.10.100000000-14.50

8、0.20.2-14.514.814.80.10.114.70.10.1-14.25.05.05.0-6.94.31.70.76.36.36.35.75.75.16.912.112.112.111.47.35.05.05.012CH12CH2IC421: LB1641Motor Driver23P15IN 11GND4VZ6IN 2OUT 18VCC 210OUT 29P2INPUT LOGICPRE DRIVER7VCC 116VDDLOGIC LEVEL CONVERTER12OX7VEE6INHOUT C IN13IXOUT C IN2OYOUT C IN1IYOUT C IN5OZOUT

9、 C IN3IZOUT C IN4Z-COMMON1514X-COMMONY-COMMON9C10B11A8VSSINHIBIT(Pin 6)LLLLLLLLHCONTROL INPUTS“ON” CHANNEL0X (Pin 12), 0Y (Pin 2), 0Z (Pin 5)1X (Pin 13), 1Y (Pin 1), 1Z (Pin 3)0X, 0Y, 0Z1X, 0Y, 0Z0X, 1Y, 0Z1X, 1Y, 0Z0X, 0Y, 1Z1X, 0Y, 1Z0X, 1Y, 1Z1X, 1Y, 1ZNOTEC(Pin 9)LLLLHHHH*B(Pin 10)LLHHLLHH*A(Pin

10、 11)LHLHLHLH* Dont CarePoint wCH 1 : Emitter of Q309CH 2 : Collector of Q304AC POWER ON(Connect the power cable)AC POWER OFF(Disconnect the power cable)AC POWER ON(Connect the power cable)Point q (Pin 20 of IC301)RadioFans.CN 收音机爱 好者资料库ABCDEFGH123456IJKL78AX-39722I SCHEMATIC DIAGRAM (MAIN)*All volta

11、ges 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.*電圧、内部抵抗10M電圧計測定。*Z印部品、安全性確保部品示。部品交換必要場合、記載部品

12、使用。*本回路図、標準回路図。改良予告変更。TO FUNCTION (1) W301Page 21 J-4TO FUNCTION (1) CB306Page 21 J-4TO FUNCTION (6) CB532Page 21 I-1TO FUNCTION (12) CB681Page 21 G-6TO FUNCTION (1) CB306Page 21 J-4SPEAKERS1.06.301.06.3015.716.216.2-15.9-15.9-15.3-21.80000000000000032.535.40.60.70.40.50.70.10.112.112.148.648.6AC43.

13、7AC74.3AC61.722.922.912.513.113.10.40.526.950.550.550.550.550.550.2-50.5-50.550.01.21.2-0.5-1.1-1.1-1.1-1.1-1.1-1.10.50.60.6-0.5-0.50001.21.21.249.449.449.950.550.550.550.2-50.5-50.549.9-49.1-49.1-49.1-49.1-49.1-49.1-48.5-48.5-49.1-49.1-49.1-49.1-49.1-49.7-49.7-49.7-49.7-49.1-49.2-49.2-49.2-49.2-49.2-49.20.1-4.1-4.100000.40.10.10.70.7-49.1-49.20.10.10.70.7-48.5-48.51.20.50.50.1-0.5-0.500000000.10.149.949.449.426.740.740.750.5(42.0)-50.5(-42.0)40.740.7-30.8 Vout +Vs GNDIC221, 226 : LM61CIZTemperature Sensor