Yamaha-RX-397-Schematic电路原理图.pdf

上传人：cc518

文档编号：90608

上传时间：2024-07-17

格式：PDF

页数：5

大小：1.72MB

《Yamaha-RX-397-Schematic电路原理图.pdf》由会员分享，可在线阅读，更多相关《Yamaha-RX-397-Schematic电路原理图.pdf（5页珍藏版）》请在收音机爱好者资料库上搜索。

1、RX-397 28 I BLOCK DIAGRAM Head Phone C834,835 C156,159 Front A Front B RY101 RY102 RY103 Power Amp C157,158 C140C141 +B B G D112-115 +15V 15V 22V Q121 Q128 +15 15 G C135C144 FL1 FL2 SW101 SW101 D111 G Q801 VP C803 + D806 D109 D110 ACL ACL ACH ACH ACL ACL ACL Q254 D259 Power Detector /Reset Q252 POWE

2、R RELAY +5.5V IC601 Q605 G +5S +5M +5BU D605 D604 D603 POWER SAVE RY251 s10 C261 D261 IC251,252,253 POWER RELEY 70 SPEAKER RELEY 76,77 MUTE CONTROL 65 POWER SAVE 81 HP RERAY 72 Microprocessor M30626 IC602 XL601 16MHz TUNER/RDS SERIAL CONTROL ANALOG 1315 MD TAPE REC OUT RY251 F252 F251/J252 TE251 /MI

3、MT Muting Q401,402 NJU7313AM Motor Volume VR431/IC431 Tone Con/Balance VR751-754 IC401 8,23 6+9,22+25 3,28 11,20 12,192,29 7,24 5,26 4,27 Pure Direct SW SW402 Switch IC501 Analog FM/AM PHONO EQ IC301 PHONO CD/DVD MD TAPE FM/AM TUNER 7.2MHz AUX PRI 80 PRV 90 PRD 91 THMR 93 POWER DETECT 20 /RESET 12 I

4、R REMOTE U801 VOLUME VR431, IC431 INPUT SELECTOR SW827 FL DISPLAY V801 FL DRIVER IC801 83,100,1,2 94,95 84,85 78,79 74,18 75 KEY SW801-818 SPEAKER SW/STANDY SW SW823/SW828/SW825 OPERATION See page 30 SCHEMATIC DIAGRAM MAIN See page 31 SCHEMATIC DIAGRAM OPERATION See page 30 SCHEMATIC DIAGRAM OPERATI

5、ON See page 30 SCHEMATIC DIAGRAM FUNCTION See page 29 SCHEMATIC DIAGRAM ABCDEFGH 1 2 3 4 5 6 IJK 7 8 RX-397 29 I SCHEMATIC 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 havi

6、ng specifications equal to those originally installed. * Schematic diagram is subject to change without notice. IC501: NJU7313AM Analog Function Switch 13NC18 NC 2 3 4 5 6 7 8 9 10 11 12 14 30 1 29 28 27 26 25 24 23 22 21 20 19 17 15 CONTROL LEVEL SHIFTER LATCH LEVEL SHIFTER LATCH L1 L2 L3 L4 L-COM1

7、 L5 L6 L-COM2 L7 L8 L-COM3 ST VDD VEE R1 R2 R3 R4 R-COM1 R5 R6 R-COM2 R7 R8 R-COM3 DATA CK VSS 16 0 0 0 0 0 00 10.15.4 5.4 5.4 5.4 4.8 4.84.8 5.211.9 11.914.5 12.3 12.3 5.6 5.6 4.8 4.2 0.1 0.1 4.8 4.7 4.7 4.74.7 4.7 4.7 4.7 0 4.6 4.7 0 0 0 0 0 0 0 0 0 0 4.7 4.7 4.7 4.7 4.8 4.7 4.7 2.3 2.2 0 0 0 0 0

8、0 0 0 0 0 4.7 4.7 4.7 4.7 4.7 4.7 4.7 4.8 4.8 4.4 4.6 0 0 0 0 0 0 0 4.7 4.7 4.7 4.7 4.7 -14.4 4.8 4.8 4.8 4.8 0 1.6 1.8 1.7 1.7 0.9 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 00 0 0 -0.6 -0.6 14.2 -14.5 1 TAPE REC OUT TO OPERATION (2) CB407 Page 30 A-2 TO OPERATION (2) CB401 Page 30 A-3 TO MAIN (1) W10

9、3 Page 31 C-2 TO OPERATION (1) CB801 Page 30 A-7 TO OPERATION (13) CB301 Page 30 J-6 CD/DVD AUX MD IN MD OUT TAPE PB IC603 : LC72722PM RDS Decoder + + REFERENCE VOLTAGE 57kHz bpf (SCF) CCB TEST PLL (57kHz) ANTIALIASING FILTER SMOOTHING FILTER RAM (24 BLOCK DATA) ERROR CORRECTION (SOFT DECISION) SYNC

10、/EC CONTROLLER SYNC DETECT-1 DATA DECODER CLOCK RECOVERY (1187.5Hz) MEMORY CONTROL OSC/DIVIDER VREF CLK(4.332MHz) SYNC DETECT-2 VDDA VSSD VDDD RDS-ID SYNC SYR VSSA MPX IN DO CL DI CE T1 T2 T3 T4 T5 T6 T7 X IN VREF FL OUT C IN X OUT 314 15 19 18 24 156 4 2 20 21 22 23 7 8 9 10 11 16 171312 Point q (P

11、in 13 of IC602) ABCDEFGH 1 2 3 4 5 6 IJKL 7 8 RX-397 30 I SCHEMATIC DIAGRAM (OPERATION) *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.

12、 * Schematic diagram is subject to change without notice. 13.1 14.513.1 -14.4 -14.4 0 0 0 0 0 0 0.1 0.1 0.6 0.6 0.8 0.8 1.8 1.8 14.1 14.0 -14.0 14.1 1.4 0 0 0 0 0 0 0.1 0.1 0.1 -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

13、.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 -21.2 4.8 -21.4 -21.4 -21.4 -13.1 -19.9 -12.7 4.8 4.7 4.7 4.7 4.7 2.1 0 2.1 -14.4 -19.6 -19.8 0 0 0 0 0 0 0 12.6 -12.6 0 -22.3 -22.3 -21.6-27.7-27.7 -28.8 -19.4 -21.3 -19.3 -14.8 -15.

14、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 -21.4 4.8 4.8 4.8 0 -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 -21.4 0.1 0 PURE DIRECT ONPURE DIRECT OFF PURE DIRECT OFF TO F

15、UNCTION (2) CB611 Page 29 D-4 TO FUNCTION (2) W601 Page 29 D-4 TO MAIN (1) CB107 Page 31 A-6 TO MAIN (2) W293 Page 31 J-5 TO FUNCTION (2) CB607 Page 29 H-3 TO FUNCTION (2) CB606 Page 29 F-3 TO MAIN (1) CB103 Page 31 B-2 IC431: LB1641 Motor Driver 23 P1 5 IN 1 1 GND 4VZ 6IN 2 OUT 1 8 VCC 2 10 OUT 2 9

16、 P2 INPUT LOGIC PRE DRIVER 7 VCC 1 IC301, 401, 751: NJM2068MD-TE Dual OP-Amp + OUT1 IN1 VCC +VCC OUT2 1 2 3 45 +IN1IN2 +IN2 + 6 7 8 IC801: M66003-0131FP Display Driver 52 Display controller Segment digit select/ output circuit Serial receive circuit Digit output circuit Clock generator DIG11/ SEG42

17、51 DIG12/ SEG41 50 DIG13/ SEG40 49 DIG14/ SEG39 48 DIG15/ SEG38 47 DIG16/ SEG37 46 DIG17/ SEG36 45SEG35 XOUT6 Vcc18 Vcc218 Vss5 Vp64 XIN7 CS SCK3 SDATA4 RESET1 SEG00 44 9SEG34 SEG26 17 19SEG25 Segment output circuit Display code RAM (8-bit x 60) CGROM (35 bit x 166) CGROM (35 bit x 16) code select C

18、ode write Code/ command control circuit DIG00 63 53DIG10 2 data timing clock dot data write scan pulse ABCDEFGH 1 2 3 4 5 6 IJK 7 8 RX-397 31 *All voltages are measured with a 10M/V DC electronic volt meter. * Components having special characteristics are marked Zand must be replaced with parts havi

19、ng specifications equal to those originally installed. * Schematic diagram is subject to change without notice. I SCHEMATIC DIAGRAM (MAIN) 0 0 0 0 0 00 00 0 0.1 0.9 5.9 5.9 3.6 3.6 3.9 3.8 3.8 3.4 4.1 3.3 25.525.525.5 25.5 14.5 15.1 15.1 15.1 -15.1 -15.1 -14.6 -28.4 32.2 32.2 44.9 (32.8) -44.9 (-32.

20、8) -32.5 32.1 32.1 25.5 25.5 0.6 0.70.7 -1.0 -1.0 -1.0 -0.5 -0.5 -0.4 44.8 44.8 44.6 0.5 0.5 0 0 0 0 0 0 1.1 1.1 0 -44.4 -44.2 -44.9 -44.9 -43.6 -43.6 -43.6 -43.6 -44.4 -44.2 -44.9 -44.9 0 0.1 0 0.6 -1.1 -1.1 -0.4 1.0 1.0 0.5 0.5 0 0 0 0 0 0 0 44.8 44.8 4.7 4.8 4.8 4.6 4.3 4.6 0 0 0 0 0 0 0 0 10.1 0

21、.1 0.1 0.110.1 10.11.1 1.0 0 44.8 44.6 44.7 -1.1 -0.5 -0.5 AC4.2 AC5.6 AC65.3 AC48.0 2 CH1 2 CH2 TO OPERATION (1) W801 Page 30 D-8 TO FUNCTION (2) CB605 TO POWER TRANSFORMER Page 29 E-3 TO MAIN (2) CB257 Page 31 K-5 TO MAIN (4) W291 TO POWER TRANSFORMER or Page 31 G-5 TO POWER TRANSFORMER TO POWER T

22、RANSFORMER TO POWER CABLETO OPERATION (12) CB282 Page 30 G-5 TO OPERATION (2) W404 Page 30 E-2 SPEAKERS Vout +Vs GND IC102 : LM61CIZ Temperature Sensor Point w CH 1 : (+) of C252 CH 2 : Collector of Q251 AC POWER ON (Connect the power cable) AC POWER OFF (Disconnect the power cable) AC POWER ON (Con

23、nect the power cable) IC252 : TC4013BP Dual D Flip Flop 1 2 3 4 5 6 7 1Q 1CP 1CL 1PR 1DATA 1Q VSS 14 13 12 11 10 9 8 VDD 2Q 2CP 2CL 2PR 2DATA Q CP CL Q D PR 2Q Q CP CL Q D PR 33 RX-397 RX-397 REMOTE CONTROL RAX16 I SCHEMATIC DIAGRAM R2 47 R1 1 Q1 1 2 3 4 5 6 7 8 9 10 20 19 18 17 15 16 14 13 12 11 U1

24、 PD67AMC311 X1 +3V 47F C1 D1 4.00MHz K15 K7 K25 K29 K6 K16 K9K8 K26 K27 K1K20 K4 K19 K18 K3 K21K23K22K24 K10K14 K28 K2 K5 ZONE3 ZONE2 SW2 ID2 ID1 SW1 KI/O6KI/O5 KI/O4 KI/O3 KI/O2 KI/O1 KI/O0 KI3 KI2 KI1 KI0 KI/O7 S0 S1/LED REM VDD XOUT XIN GND S2 J2 K17 12 6543 78910 14 15 17 1920 18 16 21222324 282

25、72625 29 3031 Key No. 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 Key Name SLEEP POWER CD/DVD PHONO TUNER STANDBY MD TAPE AUX SPEAKERS-A (no key) (no key) (no key) SPEAKERS-B PRESET (+) VOLUME (+) PRESET (-) VOLUME (-) A/B/C/D/E MUTE Device Device Device Devic

26、e Device Device Device Device Device AMP/DEVICE CD/TAPE DEVICE CD 7D-93 7D-B2 7D-87 7D-88 7D-89 7D-B1 7D-86 7D-8B 7D-8A 7D-E7 (no code) (no code) (no code) 7D-E8 7D-F5 7D-8D 7D-F6 7D-8E 7D-F7 7D-94 REW PAUSE FF DISPLAY SKIP (-) STOP SKIP (+) DISC SKIP PLAY REW A/B FF DIR A STOP DIR B REC PLAY 7A-0D 7A-09 7A-0C 79-0A 7A-0B 7A-09 7A-0A 7A-4F 7A-08 7A-01 7A-06 7A-02 7A-07 7A-03 7A-40 7A-04 7A-00 (no code) (no code) (no code) (no code) 7D-23 7D-25 7D-26 7D-24 (no code) FREQ/TEXT MODE-PTY SEEK-START EON AMP (RDS) TAPE Code (ID2) (no code) KEY NO. LAYOUT YAMAHA RAX16 IR CODE TABLE