Yamaha-RXV-795-ARDS-Schematic电路原理图.pdf

资源ID：90678 资源大小：2.95MB 全文页数：9页
资源格式： PDF 下载积分：18积分

会员登录下载

三方登录下载：

账号：
密码：
验证码：	换一换
当日自动登录忘记密码？

友情提示

1、下载资料失败解决办法

2、PDF文件下载后，可能会被浏览器默认打开，此种情况可以点击浏览器菜单，保存网页到桌面，就可以正常下载了。

3、本站不支持迅雷下载，请使用电脑自带的IE浏览器，或者360浏览器、谷歌浏览器下载即可。

4、本站资源下载后的文档和图纸-无水印,预览文档经过压缩，下载后原文更清晰。

5、试题试卷类文档，如果标题没有明确说明有答案则都视为没有答案，请知晓。

网站客服

侵权投诉

Yamaha-RXV-795-ARDS-Schematic电路原理图.pdf

RX-V795a/RDS/HTR-5170/DSP-R795a ABCDEFGHIJKL 1 2 3 4 5 6 7 8 DSP * All voltage are measured with a 10M/DC electric 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. I SCHEMATIC DIAGRAM (DSP) E-65/J-55 Pointt (Pin13 of IC3) V : 2V/divH : 50 nsec/div DC range1 : 1 probe Point y (Pin13 of IC14) V : 2V/divH : 50 nsec/div DC range1 : 1 probe IC5 : M5M51288BKJ-20L RAM LINE INPUT BUFFER LINE ADDRESS DECODER I/O DATA CONTROL CIRCUIT DATA I/O ADDRESS INPUT A0 A1 A2 A3 A4 A5 A6 A7 A8 S1 S2 A9 A10 A11 A12 A13 A14 A15 A16 DQ1 DQ2 DQ3 DQ4 DQ5 DQ6 DQ7 DQ8 18512MEMORY ARRAY 131072X8bit 512X2048 Vcc(5V) GND(0V) COLUMN I/O CIRCUIT COLUMN ADDRESS DECODER COLUMN INPUT BUFFER 16 256 2048 CHIP SELECT CIRCUIT WRITE ENABLE CONTROL INPUT OUTPUT ENABLE CONTROL INPUT W OE IC2 : HD74HC02FPEL Quad 2 Input NOR Other ICs G IC3: YM3436DK See page E-27/J-23 G IC4: YSS918-F See page E-28/J-24 G IC14: LC87F5164 See page E-31/J-27 IC1 : NJM2904M IC811, 13 : PC4570G2 Dual OP Amp IC7 : AK4320 1 bit D/A Converter IC6 : AK4526 A/D REAR L FRONT L DIGITAL IN DIGITAL IN MAIN L MAIN L CENTER 0 4.9 0 0 4.9 4.9 0 0 4.9 0 4.9 4.9 0 4.9 4.9 4.9 4.9 4.9 4.9 6 3.3 2.4 3.1 2.4 2.4 2.6 0 2.4 0.9 4.7 0.1 0 3.1 0 0 0 0 0 0 0 0 04.8 4.9 0 00.5 00.20.2 0.50 4.9 4.9 0 0 2.4 2.4 4.9 2.3 0 4.9 0 0 0 4.9 0 2.4 2.4 2.4 4.9 0 4.9 0 0 0 0 4.9 0 2.3 0 4.8 4.9 4.8 2.4 0 0 4.8 0 4.9 0 0 0 0 0 00 0 4.8 4.8 2.4 4.8 2.4 2.42.4 00 2.42.4 00 2.42.4 4.8 0 -10.9 4.7 0 4.7 0.2 0 -10.9 0 0 -10.9 0 0 -10.9 0 0 -10.9 0 0 -10.9 0 0 -10.9 0 0 -10.9 0 0 -10.9 0 0 -10.9 0 00.6 0 0 0.6 0 0 11.5 0 0 -11.5 0 0 0 11.5 0 0 0 11.5 0 0 0 -11.5 0 0 11.5 2.4 2.4 2.4 2.4 2.4 2.4 -11.5 -11.5 2.4 2.4 2.4 2.4 2.4 2.4 11.5 0 -11.5 0 0 02.4 02.4 2.52.4 2.4 2.4 02.4 2.42.4 2.42.4 02.4 02.4 00 0.5 4.7 0 3.1 2.4 2.4 0 2.4 2.4 0 2.4 2.4 2.4 2.4 2.4 2.4 2.4 0.1 0.1 0.1 0 4.8 4.80 0.9 0.9 0 0 0.1 0.1 0.1 0.1 4.8 2.4 4.9 0 4.9 4.9 2.4 4.9 2.4 0 2.4 2.4 0 0 3.1 0 0 0 2.4 0 3.1 1.5 0 3.1 0 2.4 4.8 4.7 2.4 0.9 0.1 0 0.9 0.9 0 0 0.1 0 0 4.9 4.9 0 2.3 2.6 4.9 0 4.9 4.9 4.9 0 4.9 4.9 0 4.7 0 4.9 0 4.9 0 0 0 0 4.9 4.9 4.9 0 4.9 0 0 0 0 0 0 4.9 2.4 2.3 2.3 4.9 2.6 2.5 2.4 2.4 2.4 2.4 4.9 4.9 2.2 2.2 0 0 0 0 5 0 00 0 0 0 0 0 0 0 0 4.9 4.9 4.9 2.2 0.1 DSP + DIGITAL PRO-LOGIC DTS DECODER DIR RAM DAC P-E66/J56 D-1 P-E66/J56 G-8 P-E69/J59 F-2 5 3 8 2 4 1 6 5 7 13 11 14 12 10 9 8 7 2 3 1 6 4 7 4 6 5 7 1 1 83 2 42 3 5 6 8 IC3 IC4 IC14 RX-V795a/RDS/HTR-5170/DSP-R795a ABCDEFGHIJK 1 2 3 4 5 6 7 8 I SCHEMATIC DIAGRAM (INPUT) E-66/J-56 * All voltage are measured with a 10M/DC electric 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. INPUT (This waveform is not available by pushing the power switch ON and OFF.) Disconnect the power cord from the AC outlet. With the POWER ON, dis- connect the A/C power cord. Reconnect the A/C power cord and the above wave- forms will start. 0V Pointe (Pin3 of IC21) V : 2V/divH : 50 nsec/div DC range1 : 1 probe Pointr CH1 : Pin1 of IC21 CH2 : Pin29 of IC21 H : 0.5 sec/divDC range1 : 1 probe V : 2V/div (CH1) V : 2V/div (CH2) FRONT L REAR R MAIN L MAIN L CENTER 43 4 00 0 0 4.9 11.3 -11.5 11.6 11.6 0 0 0 0 0 -11.5 11.6 11.6 0 0 0 0 0 -11.5 4.7 2.0 4.8 4.9 4.9 0 0 4.9 0 0 4.9 4.9 0 4.8 0 4.9 0 0 1.2 0 0.3 0 0.2 0.7 -11.4 0 0 11.2 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 11.6 0 0 0 0 0 0 0 0 0 0 0 0 0 00 0 0 0 0 0 0 0 0 0 0 0 0 0 0 00 0 0 0 0 0 0 -22.2 0.1 0.1 0.1 0 0 0 0 0.3 0.3 0 21.8 0 00 0 0 0 00 0 21.8000 0 -22.2 00 0 0 0 -22.2 0 -11.5 0 -11.1 0 4.9 0 0 4.9 0 0.3 0 4.9 0 0 4.9 0 4.9 0.1 4.9 4.9 4.9 0 1.2 0.3 1.4 0 4.9 4.5 2.2 4.7 4.9 4.9 4.7 4.9 4.9 0 0 0 0 4.9 4.9 0 4.9 4.9 0 4.9 4.9 4.9 0 0 0 0 0 4.9 4.9 0 0 4.9 4.9 4.5 4.9 4.7 4.9 11.6 11.6 0 0 0 0 0 PHONO MM EQ AMP INPUT SELECTOR TAPE MONITOR P-E69/J59 TO VIDEO(1) C-2 P-E67/J67 D-8 P-E65/J55 B-8 P-E68/J58 H-2 P-E71/J61 : NOT USED : USED CIRCUIT CHANGES BY MARKET. A-5 P-E69/J59 A-5 P-E69/J59 I-3 P-E65/J55 J-4 P-E72/J62 (J,U,C,A,L,R,T models) P-E73 (B,G models) H-5 8 1 3 2 6 5 4 7 5 6 8 7 2 3 4 1 1 7 4 5 6 8 3 2 2 3 6 5 7 8 4 1 5 3 2 1 8 6 4 7 3 6 5 4 7 2 1 8 IC21 RX-V795a/RDS/HTR-5170/DSP-R795a ABCDEFGHIJKL 1 2 3 4 5 6 7 8 INPUT & VIDEO I SCHEMATIC DIAGRAM (INPUT & VIDEO) * All voltage are measured with a 10M/DC electric 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. E-67/J-57 IC17 : LC78211 Analog Function Switch IC11 : NJM2068MD IC12, 20 : PC4570G2 IC13, 15, 16 : M5220FP Dual OP Amp IC18 : LC78213 Analog Function Switch IC19 : LC78212 Analog Function Switch IC402404, 407, 408 : LA7956 Video Switch IC401 : TC4053BP Triple 2-Channel Analog Multiplexers/ Demultiplexers Other ICs G IC21: HD6433397A97F See page E-36/J-30 G IC406: LC74781-9626 See page E-35/J-29 IC405 : PD4066BC Quad Analog Switch/Multiplexer 16 VDD LOGIC LEVEL CONVERTER 12OX 7 VEE 6INH OUT C IN 13IXOUT C IN 2OY OUT C IN 1IYOUT C IN 5OZ OUT C IN 3IZOUT C IN 4Z-COMMON 15 14X-COMMON Y-COMMON 9C 10B 11A 8 VSS REAR L CENTER 5.0 5.7 5.6 5.611.1 0 0 11.1 0 0 5.0 0 0.1 1.1 1.8 0.7 0 0 8.8 8.8 9.3 9.3 9.8 0 0 9.8 0 0.5 0.5 1.1 2.72.72.7 3.4 0.1 0.3 11.1 1.5 2.1 2.5 2.5 0.5 0.5 0 5.0 0 4.4 4.9 1.9 1.1 4.3 4.3 5.0 1.1 000 2.5 0 11.1 3.8 3.8 3.8 5.3 3.8 3.8 3.8 5.3 0 11.5 11.3 11.1 0 11.5 11.3 0 0 11.1 11.3 3.8 3.8 11.1 3.8 0 3.8 11.5 11.3 5.6 2.4 05.0 5.0 5.0 0 5.0 0 2.0 5.0 1.1 0 1.1 2.5 0 0.1 2.4 2.4 4.9 4.9 0 5.0 11.1 3.8 0 3.8 11.5 11.3 5.7 11.1 3.8 0 3.8 11.5 11.3 5.7 1.11.5 2.2 1.0 0 0.5 0.5 5.0 5.0 0 0 0 11.1 5.6 5.6 11.1 11.5 0 5.0 11.1 5.7 0 11.1 5.6 0.7 0.7 0.7 0 23.8 23.8 0.7 0.7 1.3 AC12.6 SUB POWER SUPPLY S-VIDEO AMP & SELECTOR SUPERIMPOSE REGULATOR SYNC SIGNAL DETECTOR SPEAKER RELAY DRIVE P-E66/J56 D-8 P-E69/J59 I-2 P-E70/J60 I-6 TO MAIN (1) TO MAIN (5) P-E68/J58 A-1 P-E71/J61 TO MAIN (2) G-2 P-E70/J60 TO MAIN (1) I-5 CIRCUIT CHANGES BY MARKET. : NOT USED : USED IC406 RX-V795a/RDS/HTR-5170/DSP-R795a ABCDEFGHIJK 1 2 3 4 5 6 7 8 I SCHEMATIC DIAGRAM (OPERATION) * All voltage are measured with a 10M/DC electric 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. E-68/J-58 OPERATION IC102 : LC75710NE FL Display Driver Other IC G IC102 : LC75712E See page E-35 -27.9 -27.9 -27.9 -27.9 -27.9 -27.9 -29.6 0 0 2.3 2.4 4.7 4.9 0 4.9 0 0 4.9 4.9 -27.9 -27.9 -27.9 -27.9 -27.9 -27.9 -27.9 -28.0 -27.8 -27.8 -29.6 -22.5 -28.8 4.7 -28.1 4.7 -27.8 -28.1 4.74.7 -27.8 0 -23.6 -28.9 -28.9 -13.3 -13.3 0 5.65.68.84.9 4.9 5.6 0.6 0.6 0 4.4 4.9 -11.4 8.8 8.1 5.76.3 4.8 0 0 0 0 0 8.8 4.9 4.9 4.9 -22.3 -22.3 -23.6 -28.8 -28.1 -28.0 -28.0 -27.9 -27.9 -27.9 -27.9 -27.9 -27.9 -27.9 -27.9 -27.9 -27.9 -27.9 -27.9 -27.9 FULL MUTE DRIVE DISPLAY DRIVE SYSTEM CONTROL RESET CIRCUIT CHANGES BY MARKET. P-E66/J56 H-8 P-E67/J57 I-6 P-E70/J60 I-4 : NOT USED RX-V795a/RDS/HTR-5170/DSP-R795a ABCDEFGHIJKL 1 2 3 4 5 6 7 8 * All voltage are measured with a 10M/DC electric 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. E-69/J-59 I SCHEMATIC DIAGRAM (OPERATION) OPERATION IC202 : PC4570HA Dual OP-Amp IC251253, 257, 258 : PC4570G2 Dual OP-Amp IC201 : NJM2068LD Dual OP Amp IN1 2 +IN1 3 VCC 4 +IN2 5 IN2 6 OUT2 7 +VCC 8 OUT1 1 + + VO1 2 Vm1 3 +Vm1 4 VEE 5 +Vm2 6 Vm2 7 VO2 8 VCC 9 VCC 1 1 + + 2 IC254 : LB1641 Motor Driver IC255, 256 : TC9299P Electric Controlled Volume IC351 : TC74HCU04AP Hex Inverters IC352 : HD74HC00P Quadruple 2-input Positive NAND Gates IC353 : HD74HC153P Dual 4 to 1 Data Selectors REAR L MAIN DIGITAL IN CENTER 0.3 0 0 0 4.8 0 4.3 4.8 0 4.3 4.8 0 11.3 0 0 0 0 0 -11.3 11.3 0 0 0 11.3 0 0 0 -11.3 0 0 0 11.3 11.5 0 0 0 -11.4 0 0 0 11.5 0 0 0 0 0 0 -11.4 0 0 0 -11.3 0 0 0 -11.3 11.3 0 0 0 0 0 0 -11.3 0 0 0 0 4.8 00 4.34.8 0 0 00.3 4.8 4.8 0 4.8 4.8 0 4.3 00 0 4.8 3.1 2.5 4.8 4.8 4.8 0 0 0 0 0 0 4.9 4.3 4.3 4.8 0 4.8 0 0 0 0 0 0 0 0 -11.3 0 0 0 0 0 0 0 11.3 0 0 0 0 0 0 0 11.3 0 0 11.3 0 0 0 0 11.3 0 0.1 2.0 0.1 0 4.8 0.5 0.7 1.20 4.5 4.5 10.4 10.4 0.7 0.5 SPEAKER SETTING CONTROL SPEAKER LEVEL CONTROL MOTOR DRIVE VOLUME AMP DIGITAL SELECTOR CIRCUIT CHANGES BY MARKET. P-E66/J56 E-1 P-E67/J57 to VIDEO (1) G-8 P-E65/J55 B-1 P-E70/J60 A-5 P-E71/J61 A-4 P-E66/J56 G-1 P-E66/J56 C-8 : NOT USED 3 2 8 1 6 5 4 7 1 83 6 5 4 7 6 5 4 7 2 1 8 3 2 6 4 7 5 6 2 3 8 1 2 3 8 1 4 7 5 RX-V795a/RDS/HTR-5170/DSP-R795a ABCDEFGHIJK 1 2 3 4 5 6 7 8 * All voltage are measured with a 10M/DC electric 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. E-70/J-60 I SCHEMATIC DIAGRAM (MAIN) Each voltage given here represents that in the top side of IMPEDANCE SELECTOR, but the one in the parentheses ( ) is that in the bottom side. MAIN MAIN L CENTER -48.9 (-40.5) 48.8 (40.5) 0 1.2 0.7 0.6 0 0.7 24.1 0 -42.2 -29.6 -30.2 0 0 -48.1 0.6 -0.4 -1.0 0.9 0.4 0.9 48.8 (40.5) 0 0.4 48.8 (40.5) 0 -0.4 -48.9 (-40.5) -0.4 -1.0 -48.9 (-40.5) 0 48.6 48.8 (40.5) 0 0 48.6 -48.1 -48.6 -1.0 13.6 0 -48.8 0 0 -48.0 0.6 -0.4 -1.0 1.0 0.4 1.0 48.8 (40.5) 0 0.4 48.8 (40.5) -0.5 -1.0 -48.9 (-40.5) 0 -0.5 -48.9 (-40.5) 0 0 48.4 -48.0 -48.5 -1.0 -48.8 0 0 -11.4 0 0 -11.4 0 0 -11.4 0 0-11.4 0 -48.1 0.6 -0.4 -1.0 1.0 0.4 1.0 48.8 (40.5) 0 0.4 48.8 (40.5) -0.5 -1.0 -48.9 (-40.5) 0 -0.5 -48.9 (-40.5) 0 0 48.5 -48.1 -48.6 -1.0 -48.8 0 0 0-11.4 SPEAKER RELAY DRIVE CENTER POWER AMP MAIN R POWER AMP MAIN L POWER AMP MUTING MUTING MUTING B POWER SUPPLY CIRCUIT CHANGES BY MARKET. P-E71/J61 G-5 P-E71/J61 G-5 P-E67/J57 TO VIDEO (2) I-5 P-E71/J61 G-5 P-E68/J58 B-1 P-E69/J59 E-5 P-E67/J57 H-7 : NOT USED RX-V795a/RDS/HTR-5170/DSP-R795a ABCDEFGHIJKL 1 2 3 4 5 6 7 8 MAIN * All voltage are measured with a 10M/DC electric 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. E-71/J-61 I SCHEMATIC DIAGRAM (MAIN) Each voltage given here represents that in the top side of IMPEDANCE SELECTOR, but the one in the parentheses ( ) is that in the bottom side. REAR L REAR L MAIN CENTER -32.6 31.8 -19.9 19.0 010.5 0 0 -48.4 0.6 0.4 -1.0 0.9 0.4 0.9 48.8 (40.5) 0 0.4 48.8 (40.5) -0.5 -1.0 -48.9 (-40.5) 0 0 0 -0.5 -48.9 (-40.5) 0 0 48.4 -48.4 -48.9 -1.0 -49.1 0 0 -11.4 0 -48.4 0.6 -48.4 -1.0 -48.8 -0.4 -1.0 -48.9 (-40.5) 0.4 0.9 48.8 (40.5) 0 0 0 48.4 0.4 48.8 (40.5) 31.924.0 24.6 -24.9 -16.5 -8.2 0 0 5.00.5 0 12.119.0 0 12.019.0 0 -11.7-19.9 16.4 8.2 0 24.4 24.4 0 0 24.0 0 0 24.0 24.0 0 0 0 -0.4 -48.9 (-40.5) -1.0 0.9 -0.4 -49.1 0 0 0 -11.4 -11.4 0 0 AC75.8 AC51.6 AC62.6 AC31.6 AC9.7 AC6.5 REAR L POWER AMP REAR R POWER AMP REGULATOR MUTING MUTING MUTING CIRCUIT CHANGES BY MARKET. P-E71/J61 G-6 P-E71/J61 G-7 P-E70/J60 I-4 P-E66/J56 H-1 P-E69/J59 E-6 P-E70/J60 I-4 P-E67/J57 H-5 P-E70/J60 I-7 : NOT USED RX-V795a/HTR-5170/DSP-R795a ABCDEFGHIJK 1 2 3 4 5 6 7 8 I SCHEMATIC DIAGRAM (TUNER) E-72/J-62 Each voltage given here represents that in the FM (98. 1MHz, STEREO) reception mode but the one in the parentheses ( ) is that in the AM (1080kHz, MANL) reception mode. * All voltage are measured with a 10M/DC electric 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. TUNER GPK1 : ENV-172C8G1R (V2909100) U, C, R, T modelsGPK1 : ENV-172A4G1 (V2716700) A, L modelsGPK1 : ENV-142C2G1R (V2909000) J model IC1 : LA1266 AM/FM IF IC2 : LC72131 PLL Controller IC3 : LA3401 MPX V : 2V/divH : 0.1sec/div 2VSAMPLE 0.1us Point1 (Pin22 of IC2) DC range1 : 1 probe 0V FM FM AM AM 10.4 (0) 10.5 (11.5) 0.1 (10.6) 5.1 (5.0) (4.4) (0) 5.1 (5.2) 7.7 (7.6) 2.4(1.1) 2.4 (1.1) 2.4 (1.1) 0 (0) 11.0 (11.1) 11.0 (11.1) 11.0 (11.1) 0 (0) 3.9(3.7) 2.3 (2.2) 0 (2.1) 3.0 (2.8) 3.4(2.1) 3.9(3.5) 3.9(3.5) (1.9) (3.5) 5.011.4 (11.5) 5.7 (5.7) 5.7 (5.7) 0 (0) 2.4 (0) 4.9(5.0) 0(2.5) (0)2.4 4.9 (5.0) (1.0) 1.0 (1.0) 1.0 (5.0)4.5 (0)0 (0)0 0.1 10.6 (0)0 (0)0 (0.2)11.4 (0)0 (0)0 (0)0 (0)0 (2.5) (2.5)2.4 0 (11.5) (11.5)11.4 11.4 (0.2) (1.5) 3.9 0 (10.5) 1.5 2.4(1.1) (2.8)0 (2.2) 2.6 (2.0) 1.5 1.5 11.0 2.4 (11.1) 3.0 (2.8) (2.1) 3.1(3.1) 3.1(3.1) 3.1(3.1) 3.1(3.1) 3.0(3.0) 3.1(3.1) 3.1(3.1) 3.0(3.0) 3.1(3.1) 0 (6.9) 11.1 (11.2) 3.4 (3.6) 2.8(7.0) 2.8(5.2) 2.8(5.2) 2.8 (9.1) 2.8 (2.8) 0(0) 4.9 (0) 4.9(5.0) 0(0) 02.8 (9.1) 0 (0) 2.8 (9.1) 4.9 (4.9) 0(0) 0 (0) 4.4 (5.2) 1 2.5 MONAURAL DISTORTION ADJ. SIGNAL METER ADJ. DISCRIMINATOR BALANCE ADJ. SEPARATION ADJ. (9.4) 9.3 0(0) AM SENSITIVITY 87.5MHz 98.0MHz 108.0MHz 1.9V 4.5V 7.8V 531KHz 1080KHz 1611KHz 1.3V 5.0V 7.3V AM FM VT (EX only) FM (J only) AM 7.3V 5.0V 1.3V 1611KHz 1080KHz 531KHz 8.1V 4.1V 1.6V 90.0MHz 83.0MHz 76.0MHz REGULATOR PLL MPXAM/FM IF CIRCUIT CHANGES BY MARKET. bottom view TO INPUT (1) E-8 P-E66/J56 : NOT USED : USED RX-V795aRDS ABCDEFGHIJKL 1 2 3 4 5 6 7 8 TUNER E-73 I SCHEMATIC DIAGRAM (TUNER) Each voltage given here represents that in the FM (98. 1MHz, STEREO) reception mode but the one in the parentheses ( ) is that in the AM (1080kHz, MANL) reception mode. IC4 : LC72720N RDS Decoder & Controller GPK1 : ENV-172A4G1 (V2716700) * All voltage are measured with a 10M/DC electric 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. IC1 : LA1266 AM/FM IF IC2 : LC72131 PLL Controller IC3 : LA3401 MPX SAMPLE 50us2V2V V : 2V/divH : 50nsec/div Point1 (Pin22 of IC2) DC range1 : 1 probe 0V SAMPLE 0.1us2V V : 2V/divH : 0.1sec/div Point2 (Pin12 of IC4) DC range1 : 1 probe 0V AM FM AM FM (0)0 1.5 (2.0) 1.5 2.7(2.3) 0(2.9) (1.1) 2.4 1.5(1.9) (10.6) 0 (3.5) 3.9 (3.5) 3.9 (2.2) 3.1 11.2 SIGNAL METER ADJ. (6.9) 0 3.1(3.1) 5.1(5.1) 3.1(3.1) 3.1(3.1) 5.1 (5.1) 3.1(3.1) 3.2(3.2) 3.1(3.1) 3.1(3.1) 0 0.5 (4.5) (0) (0) 4.9 (0)0 (2.8)2.8 (9.2)2.8 (5.5)2.8 (5.5)2.8 (7.3)2.8 (2.0)(11.3) 3.4 (1.5) (9.2) 2.8 (0) 0 (2.1) 2.5 (2.8) 3.1 (11.2) 11.0 2.6 3.1 (2.8) (2.2) (2.3)2.3 (3.7)3.8 (9.2) 2.8 (0) 0 (11.2) (0)0 (11.2)11.0 (11.2)11.1 (11.2) 2.4 11.1 (0)0 2.4 (1.1) (1.1) 2.4 (1.1) 2.4 (2.4)2.5(2.5) (0)0 (0)0 (0)0 (0)0 (0)0 (0.2)11.5 (0)0 (10.6)0.1 (0)0 4.1(5.1) (1.0)1.1 (1.0)1.1 (4.9) 4.9 2.4(0) (2.4) 0 (4.5) 0.5 (2.4) 0 (0)

注意事项

本文（Yamaha-RXV-795-ARDS-Schematic电路原理图.pdf）为本站会员（cc518）主动上传，收音机爱好者资料库仅提供信息存储空间，仅对用户上传内容的表现方式做保护处理，对上载内容本身不做任何修改或编辑。若此文所含内容侵犯了您的版权或隐私，请立即通知收音机爱好者资料库（点击联系客服），我们立即给予删除！

温馨提示：如果因为网速或其他原因下载失败请重新下载，重复下载不扣分。