Yamaha-AX-397-Schematic电路原理图.pdf

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1、13 AX-397 DPX-1200AX-397 I BLOCK DIAGRAM 10dB PHONO CD/DVD SP A SP B PHONES TUNER AUX TAPE IN TAPE OUT MD IN MD OUT CD/DVD DIRECT AMP INPUT SELECTOR PHONO EQ AMP CD/DVD DIRECT AMP MOTOR DRIVER ON ON OFF OFF31.8dB M Main VR 10dB RYPS LOUDNESS BALANCE TONE CONTROL TAPE MONITOR MAIN MUTE CD-D MUTE A B

2、POWER AMP RYSP LB 15 15 B B LB 12S + + + + + + IC502 IC501 IC452 Q451,452 SW301 SW302 SW581 SW4 T151 D1518 D153156 D20 D19 Q3 Q4 Q151 RY2 RY151 SW681 RY3 RY1 Q1,2 Q26 Q27 Q25 Q530 VR421 VR531534 IC302 IC531,532 IC421 IC452 IC453 IC456 TAPE CDD POWER 10dB TAPE MONITOR INH MAIN MUTE STANDBY /ON RYPS (

3、Power ON/OFF) Remote Control SERIAL DATA (Input Select) Input SelectTape Monitor Main VR Protection TAPE CDD RYSP Microprocessor SW621 U631 IC301 SW622 Q305 CD-D MUTE Q303 XL301 4MHz 192011 6731,32 37 13,1453417333635,3841 12 RadioFans.CN 收音机爱 好者资料库 ABCDEFGH 1 2 3 4 5 6 IJK 7 8 AX-397 21 I SCHEMATIC

4、 DIAGRAM (FUNCTION) *All voltages are measured with a 10M/V DC electronic 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. *電圧、内部抵抗10

5、M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-TE Dual OP-Amp + OUT1 IN1 VCC +VCC OUT2 1 2 3 45 +IN1IN2 +IN2 + 6 7 8 IC453: TC4053BP Triple 2 Channel Analog Multiplexers/Demultiplexers IC452: NJU7312AM Analog Function Switch 2 3 4 5 6 7 8 9 10 11 12

6、 14 30 1 29 28 27 25 24 23 22 21 20 19 17 15 CONTROL LEVEL SHIFTER LATCH LEVEL SHIFTER LATCH L1 L2 L3 L4 L-COM1 L5 L6 L-COM2 L7 L8 L-COM3 ST VDD VEE 13NC R1 R2 R3 R4 R-COM1 R5 R6 R-COM2 R7 R8 R-COM3 DATA CK VSS 18 NC 16 26 CD/DVD DIRECT AMP ON CD/DVD DIRECT AMP OFF CD/DVD DIRECT AMP ON CD/DVD DIRECT

7、 AMP OFF TO MAIN (1) W2Page 22 B-6 TO MAIN (2) W151 Page 22 I-1 TO MAIN (3) CB201 Page 22 A-4 TO MAIN (1) CB1 Page 22 B-3 TO MAIN (5) CB221 Page 22 A-1 TO MAIN (6) CB226 Page 22 A-2 15.0 0 00 14.0 14.114.1 14.0 0.10.1 00 15.515.5 0 0.1 -14.7 -13.2 13.5 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 00 0 0 0.6 0.

8、8 0.8 0.6 0.40.40 1.4 1.4 15.2 15.2 0 0 0 0 0 0 0 0 0 0 0 00 0 0 0 0 0 0 00 0 0 0 0 15.6-15.7 0 9.6 9.6 9.6 9.6 9.6 -9.5 -9.5 0 0 0.7 0.7 0 0 0 0 2.15.1 2.15.1 2.10.2 2.15.1 2.15.1 2.15.1 5.05.0 5.0 5.0 0 0 0 0 0 0 6.9 0 00 0 0 0.2 0.2 0.1 0.1 1.0 1.0 1.7 5.0 5.0 0 5.0 5.0 5.0 5.1 5.1 5.1 5.1 5.1 5.

9、1 5.1 5.1 5.1 5.0 0 0 0 0 0 0 1.7 1.7 0.1 0 5.0 5.0 5.0 2.2 2.4 0 5.0 5.0 4.9 0 5.0 0.1 0.1 0.1 0 0 0 0 0 0 0 0 -14.5 0 0.2 0.2 -14.5 14.8 14.8 0.1 0.114.7 0.1 0.1 -14.2 5.0 5.0 5.0 -6.9 4.3 1.7 0.7 6.3 6.3 6.3 5.7 5.7 5.1 6.9 12.1 12.1 12.1 11.4 7.3 5.0 5.0 5.0 1 2 CH1 2 CH2 IC421: LB1641 Motor Dri

10、ver 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 16 VDD LOGIC LEVEL CONVERTER 12OX 7 VEE 6 INH OUT C IN 13IXOUT C IN 2OYOUT C IN 1IYOUT C IN 5OZOUT C IN 3IZOUT C IN 4Z-COMMON 15 14X-COMMON Y-COMMON 9 C 10 B 11 A 8 VSS INHIBIT (Pin 6) L L L L L L L L H CONTR

11、OL INPUTS“ON” CHANNEL 0X (Pin 12), 0Y (Pin 2), 0Z (Pin 5) 1X (Pin 13), 1Y (Pin 1), 1Z (Pin 3) 0X, 0Y, 0Z 1X, 0Y, 0Z 0X, 1Y, 0Z 1X, 1Y, 0Z 0X, 0Y, 1Z 1X, 0Y, 1Z 0X, 1Y, 1Z 1X, 1Y, 1Z NOTE C (Pin 9) L L L L H H H H * B (Pin 10) L L H H L L H H * A (Pin 11) L H L H L H L H * * Dont Care Point w CH 1 :

12、Emitter of Q309 CH 2 : Collector of Q304 AC 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 ABCDEFGH 1 2 3 4 5 6 IJKL 7 8 AX-397 22 I SCHEMATIC DIAGRAM (MAIN) *All voltages are measur

13、ed with a 10M/V DC electronic 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. *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

14、路図、標準回路図。改良予告変更。 TO FUNCTION (1) W301 Page 21 J-4 TO FUNCTION (1) CB306 Page 21 J-4 TO FUNCTION (6) CB532 Page 21 I-1 TO FUNCTION (12) CB681 Page 21 G-6 TO FUNCTION (1) CB306 Page 21 J-4 SPEAKERS 1.06.3 0 1.06.3 0 15.7 16.2 16.2 -15.9 -15.9 -15.3-21.8 0 00 00 0 0 0 0 0 0 00 0 32.5 35.4 0.60.7 0.40.5

15、 0.7 0.1 0.1 12.112.148.6 48.6 AC43.7 AC74.3 AC61.7 22.9 22.9 12.5 13.1 13.1 0.40.5 26.9 50.5 50.5 50.5 50.5 50.5 50.2 -50.5 -50.5 50.0 1.2 1.2 -0.5 -1.1 -1.1-1.1 -1.1 -1.1 -1.1 0.5 0.6 0.6 -0.5 -0.5 0 0 0 1.2 1.2 1.2 49.4 49.4 49.9 50.5 50.5 50.5 50.2 -50.5 -50.5 49.9 -49.1 -49.1 -49.1-49.1 -49.1 -

16、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 -49.2 0.1 -4.1 -4.1 0 0 0 0 0.4 0.1 0.1 0.70.7 -49.1 -49.2 0.10.1 0.70.7 -48.5-48.5 1.2 0.50.5 0.1 -0.5 -0.5 0 0 0 0 0 0 0 0.1 0.1 49.9 49.4 49.4 26.740.7 40.7 50.5 (42.0) -50.5 (-42.0) 40.7 40.7 -30.8 Vout +Vs GND IC221, 226 : LM61CIZ Temperature Sensor