Yamaha-DSPR-495-Schematic电路原理图.pdf
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1、DSP-R495/RX-V495RX-V495RDS/HTR-5140/HTR-5140RDS ABCDEFGHIJKLMN 1 2 3 4 5 6 7 8 9 10 I SCHEMATIC DIAGRAM (DSP) #All voltages are measured with a 10M/V DC electric volt meter. #Components having special characteristics are marked and must be replaced with parts having specifications equal to those ori
2、ginally installed. #Schematic diagram is subject to change without notice. IC1 : NJM2904M IC813 : uPC4570G2 Dual OP AMP IC2 : HD74HC02FP Quad 2 Input NOR IC7 : AK4320 1 bit D/A Converter A OUT A IN A +IN V V+ B OUT B IN B +IN 1B 1A 1Y 2Y 2A 2B GND Vcc 4A 4B 4Y 3Y 3B 3A 1234567 141312111098 Condition
3、s (RX-V495RDS) INPUT CD VOLUME minimum() IMPEDANCE SELECTOR Upper PRO LOGIC On IC36, 14See page 2935, IC DATA PIN CONNECTION DIAGRAM OF DIODES, TRANSISTORS AND ICs. M5M51288BKJ-20LTELLC87F5164AAK4320 1SS355AK4526YSS908-FNJM2904M uPC4570G2 UPC29M33T-E1HD74HC02FP2SC3326(A,B) DTA144EKA DTC144EKA Anode
4、Cathode 12 13 24 63 Point 5 Pin 13 of IC3 V : 2V/divH : 50nsec/div AC range1 : 1probe 2VSAMPLE50ns 0V Point 6 Pin 13 of IC4 V : 2V/divH : 50nsec/div AC range1 : 1probe 2VSAMPLE50ns 0V FRONT L REAR L DIGITAL IN MAIN L (DSP) MAIN L CENTER 3. 1 2.2 0 0 4.9 0 4.9 4.9 0 0 00 0 0 0.2 0.2 0 0 2. 4 2. 4 0 0
5、 0 4.7 2.3 2.4 2.4 0 2.4 2.4 0 0 3.1 4.9 0 0 4.7 2.4 2.4 0 0 2.4 1.5 0 3.1 0 3.1 4.9 4.9 4.9 2. 3 0. 9 4. 6 0. 1 0 3.1 0 0 0 0 0 0 0 0 0 0 0 0 2. 4 2. 4 0 0 0 0 4. 7 0 4.9 0 0 0 0 0 0 4.9 0 4.9 0 4. 9 0 0 4.9 0 0 4.9 0 0 0 0 4.9 4.9 4.8 0 4.9 2.42.4 2.42.4 2.3 4.9 0 2.4 2.4 0 2.4 2.4 2.4 2.4 2.4 2.4
6、 2.4 2.4 2.4 2.4 4.7 2.3 4.7 4.6 2.3 0.9 0.1 0.1 0.1 0 0 0.1 0.1 0.1 0.1 0 0 3.1 0 0 4 .9 4.8 2.4 2.4 11.7 2.4 2.4 2.4 2.4 2.4 -11.4 -11.4 11.7 2.4 2.4 2.4 0 0 0 0 0 0 0 0 0 11.7 0 0 0 -11.4 0 0 0 11.7 0 0 0 -11.4 0 0 0 0 - 10.8 - 10.8 0 0 -10.8 0.2 0.2 0 0.5 0. 5 4.8 4.8 0 0 00.5 00.2 0 0 0 - 10.8
7、- 10.8 0 0 0 0 - 10.8 - 10.8 0 0 0 0 - 10.8 - 10.8 0 0 -11.4 0 11.7 0.6 0.6 0 2.4 2.4 2.4 4.8 2.4 4.8 4.8 2.4 2.4 2.4 0 00 2.4 2.4 2.4 0 0 0 4 .9 2 .4 2.4 2.4 0 4 .8 0 0 0 4. 8 0 00 4.7 0 4.6 -10.8 0 0 0 0 2. 3 4. 9 2. 4 2. 4 0 0 4. 8 0 4.9 4.9 0 2.3 0 4.8 4 .8 2.4 0 4.9 4.9 0.8 0.8 4.8 4.9 0.2 0 4.
8、9 4.9 4.9 4.9 4.9 4.93.3 0 0 0 0 0 0 0 0 0 0 2.2 4.9 4.9 0 4.8 2.4 2.3 4.7 4.7 4.8 4.9 0 4.8 4.9 0 0 4.9 4.9 0 2.1 2.5 4.9 0.2 0.1 0.1 0.1 0.1 0 0 1.0 1.0 2.4 2.4 2.4 2.4 2.4 2.4 2.4 2.4 2.4 2.4 5 6 L.P.F ADC/ DAC DSP AMP DAC MUTE DRIVE RAMDSP CONTROL DOLBY DIGITAL PRO-LOGIC DECODER + DSP DIR MUTING
9、 1 2 3 5 6 4 7 5 6 1 4 8 14 7 11 12 13 8 9 10 3 2 7 8 5 7 4 5 6 8 1 3 2 3 2 4 1 6 LC87F5164A (LC875164A-5K20) TO INPUT(3) CB354 P60M-8 TO INPUT(1) CB102 P60D-1 TO INPUT(1) CB106 P60H-8 RadioFans.CN 收音机爱 好者资料库 DSP-R495/RX-V495/RX-V495RDS/HTR-5140/HTR-5140RDS H VCR-IN VCR-OUT TV/DBS DVD/LD MONITOR OUT
10、 VIDEO SELECTOR & AMP 11.8 3.8 3.8 11.8 3.8 3.8 0 4.7 0 6.4 6.46.4 7.0 5.7 7.4 0 0VIDEO SIGNAL VIDEO TO OPE (2) CB807 P62 J-2 TO INPUT (1) CB101 P60 D-8 58 BACDEFG I SCHEMATIC DIAGRAM (INPUT) 59 #All voltages are measured with a 10M/V DC electric volt meter. #Components having special characteristic
11、s are marked and must be replaced with parts having specifications equal to those originally installed. #Schematic diagram is subject to change without notice. Conditions (RX-V495RDS) INPUT CD VOLUME minimum() IMPEDANCE SELECTOR Upper PRO LOGIC On PIN CONNECTION DIAGRAM OF TRANSISTORS AND ICs. LA795
12、62SC1740S(R,S)2SC1815(Y) E C B E C B IC303 : LA7956 Video Switch 1 2 3 4 5 6 RadioFans.CN 收音机爱 好者资料库 DSP-R495/RX-V495/RX-V495RDS/HTR-5140/HTR-5140RDS ABCDEFGHIJKLMN 1 2 3 4 5 6 7 8 9 10 60 I SCHEMATIC DIAGRAM (INPUT) #All voltages are measured with a 10M/V DC electric volt meter. #Components having
13、special characteristics are marked and must be replaced with parts having specifications equal to those originally installed. #Schematic diagram is subject to change without notice. Conditions (RX-V495RDS) INPUT CD VOLUME minimum() IMPEDANCE SELECTOR Upper PRO LOGIC On PIN CONNECTION DIAGRAM OF DIOD
14、ES, TRANSISTORS AND ICs. UPC4570HALB1641 HD74HC153P TC9299P M5220L 1SS133 1SS176 HSS104 TC74HCU04AP UPC4570C LC78211 LC78212 LC78213 Anode Cathode NJM2068MDHZS5C2TD HZS11B2TD 2SC2878(A, B) E C B 8 9 10 IC101 : LC78211 Analog Function Switch IC103 : LC78212 Analog Function Switch IC102 : LC78213 Anal
15、og Function Switch IC110,111 : TC9299P Electric Controlled Volume 2 3 4 5 6 7 8 15 14 13 12 11 10 9 116 L-ch DATA LATCH R-ch DATA LATCH LEVEL SHIFTER SHIFT REGISTER (13bit) STOROBE GENERATOR LEVEL SHIFTER OUT IN NC A-GND CS2 STB DATA OUT IN NC A-GND CS1 GND CK VssVDD R-ch L-ch IC351: TC74HCU04AP Hex
16、 Inverters 2A 3 1Y 2 1A 1 2Y 4 3A 5 3Y 6 Vss 7 14 VDD 11 5A 12 6Y 13 6A 10 5Y 9 4A 8 4Y IC352 : HD74HC153P Dual 4 to Data Selectors 1 2 3 4 30 29 28 27 5 6 7 8 26 25 24 23 9 10 11 22 21 19 16 12 14 18 15 17 13 20 L1 L2 L3 LCOM1 L4 L5 L6 LCOM2 L7 L8 LCOM3 VDD Vss VEE RES S R1 R2 R3 RCOM1 R4 R5 R6 RCO
17、M2 R7 R8 RCOM3 D1 CL CE LEVEL SHIFTER LATCH SHIFT RESISTER CONTROL, IC104 : NJM2068LD IC107109 : M5220L Dual OP-Amp 1 OUT1 2 IN1 3 +IN1 4 Vcc 5 +IN2 6 IN2 7 OUT2 8 +Vcc + + IC105, 106, 112, 113 : PC4570HA Dual OP-Amp A OUT A IN A +IN V V+ B OUT B IN B +IN IC401403 : PC4570C Dual OP-Amp IC404 : LB164
18、1 Motor Driver REAR L FRONT L FRONT L REAR L FRONT L REAR L REAR L 11.4 0 0 -11.2 0 0 0 0 0 0 0 00 00 0 0 0 0 00 0 0 00 0 00 0 00 00 0 0 0 -11.6 0 0 0 11.9 0 0 0 11.9 -11.6 11.9 11.9 0 0 -11.6 0 4.8 4.8 11 .9 11 .9 0 0 -11. 6 0 4.8 4.8 11 .9 11 .9 0 0 -11. 6 0 4.8 4.8 4.7 -11. 6 0 0 0 0 0 4 .7 11 .9
19、 0 11.9 0 0 0 4.7 -11. 6 0 0 0 0 0 4 .7 11.9 0 0 0 0 0 0 0 0 0 0 0 -11.5 0 0 -23.7 -23.7 0 0.1 0 0 0 0 0 0 0 0 00 0 0 0 0 0 0 0 24.0 24.0 0 00 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0.10.1 0 0.2 -23.9 0.1 0.1 0.1 24.0 0.1 0 0 11.9 -11.6 -11.6 0 0 0 0 11.9 0 0 0 0 0 0 0 0 11.8 0 0
20、0 -11.5 0 0 0 11.8 0 00 -11.5 0 0 0 11.8 0 00 -11.5 0 0.5 0.7 0.4 1.7 1.7 10.1 10.1 0.7 0.5 0 0 0 00 0 0 4. 8 0 0 0 0 4.9 0 4 .3 0.4 0 0 0.4 0.4 0 0 4.8 4.8 4.84.8 4.8 0.4 2.5 4.8 4.3 4.8 0 0 3.1 0 00 MAIN L MAIN L(DSP) MAIN L MAIN L CENTER CENTER MAIN L (DSP) CENTER MAIN L MAIN L MAIN L DIGITAL IN
21、CENTER CENTER MAIN L (DSP) SPEAKER LEVEL CONTROL VOLUME AMP MOTOR DRIVE DIGITAL SELECTOR CENTER/SUB WOOFER/FRONT/REAR AMP 6CH SELECTOR DSP AMP MAIN CONTROL INPUT SELECTOR PHONO(MM) EQ AMP TUNER LEVEL CONTROL MUTING SURROUND EXTERNAL DECODER INPUT IN OUT 3 4 IN (PLAY) OUT (REC) :NOT USED TO DSP CB3 P
22、63D-9 TO OPE(1) CB800 P62A-5 TO TUNER CB4 P64:J,U,C,R,T,A,L modelsH-5 TO TUNER CB4 P65:B,G modelsH-4 TO INPUT(2) CB301 P58E-2 TO DSP CB6 P63N-4 TO DSP CB1 P63C-1 VOLUME 1 2 3 7 5 6 8 4 1 2 3 7 5 6 8 4 2 3 4 8 6 7 5 8 7 6 2 4 3 5 2 3 3 2 4 1 1 4 5 6 6 5 7 7 8 8 7 2 6 5 3 8 7 6 8 4 2 5 3 4 1 8 3 2 7 4
23、 6 5 1 8 3 2 7 4 6 5 1 8 3 2 7 4 6 5 TO MAIN(7) CB721 P61I-8 TO MAIN(6) CB501 P61A-5 TO OPE(4) CB802 P62H-4 AUDIO SIGNAL OUTPUT SUB WOOFER DIGITAL SIGNAL COAXIAL OPTICAL OPTICAL DSP-R495/RX-V495RX-V495RDS/HTR-5140/HTR-5140RDS ABCDEFGHIJKLMN 1 2 3 4 5 6 7 8 9 10 I SCHEMATIC DIAGRAM (MAIN) #All voltag
24、es are measured with a 10M/V DC electric volt meter. #Components having special characteristics are marked and must be replaced with parts having specifications equal to those originally installed. #Schematic diagram is subject to change without notice. Conditions (RX-V495RDS) INPUT CD VOLUME minimu
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