Yamaha-DSPAX-757-Service-Manual电路原理图.pdf

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1、SERVICE MANUAL This manual has been provided for the use of authorized YAMAHA Retailers and their service personnel. It has been assumed that basic service procedures inherent to the industry, and more specifically YAMAHA Products, are already known and understood by the users, and have therefore no

2、t been restated. WARNING:Failure to follow appropriate service and safety procedures when servicing this product may result in personal injury, destruction of expensive components, and failure of the product to perform as specified. For these reasons, we advise all YAMAHA product owners that any ser

3、vice required should be performed by an authorized YAMAHA Retailer or the appointed service representative. IMPORTANT:The presentation or sale of this manual to any individual or firm does not constitute authorization, certification or recognition of any applicable technical capabilities, or establi

4、sh a principle-agent relationship of any form. The data provided is believed to be accurate and applicable to the unit(s) indicated on the cover. The research, engineering, and service departments of YAMAHA are continually striving to improve YAMAHA products. Modifications are, therefore, inevitable

5、 and specifications are subject to change without notice or obligation to retrofit. Should any discrepancy appear to exist, please contact the distributors Service Division. WARNING:Static discharges can destroy expensive components. Discharge any static electricity your body may have accumulated by

6、 grounding yourself to the ground buss in the unit (heavy gauge black wires connect to this buss). IMPORTANT:Turn the unit OFF during disassembly and part replacement. Recheck all work before you apply power to the unit. IMPORTANT NOTICE 100885 SERVICE MANUAL RX-V757/DSP-AX757/DSP-AX757SE RX-V657/HT

7、R-5860 AV RECEIVER/AV AMPLIFIER DISPLAY DATA . . . . . . . . . . . . . . . . . . . . . . . . . . 5152 IC DATA . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5361 PIN CONNECTION DIAGRAM . . . . . . . . . . . . . . . . . 62 BLOCK DIAGRAM . . . . . . . . . . . . . . . . . . . . . . . .

8、 6364 PRINTED CIRCUIT BOARD . . . . . . . . . . . . . . . . 6584 SCHEMATIC DIAGRAM . . . . . . . . . . . . . . . . . . . 8595 PARTS LIST . . . . . . . . . . . . . . . . . . . . . . . . . . . . 97133 REMOTE CONTROL RAV272, RAV273 . . . . 134135 REMOTE CONTROL RAV252, RAV253 . . . . 136137 I CONTENTS

9、TO SERVICE PERSONNEL . . . . . . . . . . . . . . . . . . 23 FRONT PANELS . . . . . . . . . . . . . . . . . . . . . . . . . . . 35 REMOTE CONTROL PANELS . . . . . . . . . . . . . . . . . . 6 REAR PANELS . . . . . . . . . . . . . . . . . . . . . . . . . . . 712 SPECIFICATIONS / 参考仕様 . . . . . . . . .

10、. . . . . . . .1317 INTERNAL VIEW . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18 DISASSEMBLY PROCEDURES / 分解手順 . . . . .1927 SELF DIAGNOSIS FUNCTION (DIAG) / 自己診断機能（） . . . . . . . . . . . . . . . . . . . . 2849 AMP ADJUSTMENT / 部調整 . . . . . . . . . . . . . . .50 RX-V757/DSP-AX757/DSP-A

11、X757SE RX-V657/HTR-5860 05.03 RadioFans.CN 收音机爱 好者资料库 Copyright 2005 YAMAHA CORPORATION This manual is copyrighted by YAMAHA and may not be copied or redistributed either in print or electronically without permission. RX-V757/DSP-AX757/DSP-AX757SE RX-V657/HTR-5860 2 RX-V757/DSP-AX757/DSP-AX757SE RX-

12、V657/HTR-5860 I TO SERVICE PERSONNEL 1. Critical Components Information Components having special characteristics are marked Z and must be replaced with parts having specifications equal to those originally installed. 2. Leakage Current Measurement (For 120V Models Only) When service has been comple

13、ted, it is imperative to verify that all exposed conductive surfaces are properly insulated from supply circuits. GMeter impedance should be equivalent to 1500 ohms shunted by 0.15F. AC LEAKAGE TESTER OR EQUIVALENT EQUIPMENT UNDER TEST INSULATING TABLE WALL OUTLET GLeakage current must not exceed 0.

14、5mA. GBe sure to test for leakage with the AC plug in both polarities. WARNING: CHEMICAL CONTENT NOTICE! The solder used in the production of this product contains LEAD. In addition, other electrical/electronic and/or plastic (where applicable) components may also contain traces of chemicals found b

15、y the California Health and Welfare Agency (and possibly other entities) to cause cancer and/or birth defects or other reproductive harm. DO NOT PLACE SOLDER, ELECTRICAL/ELECTRONIC OR PLASTIC COMPONENTS IN YOUR MOUTH FOR ANY REASON WHATSOEVER! Avoid prolonged, unprotected contact between solder and

16、your skin! When soldering, do not inhale solder fumes or expose eyes to solder/flux vapor! If you come in contact with solder or components located inside the enclosure of this product, wash your hands before handling food. About Lead Free Solder / 無鉛 The P.C.B.s installed in this unit are soldered

17、using the fol- lowing solder. 本機搭載基板付使用 下記通。 “CAUTION” “F1, F2 : FOR CONTINUED PROTECTION AGAINST RISK OF FIRE, REPLACE ONLY WITH SAME TYPE 10A, 125V FUSE.” CAUTION F1, F2 : REPLACE WITH SAME TYPE 10A, 125V FUSE. ATTENTION F1, F2 : UTILISER UN FUSIBLE DE RECHANGE DE MEME TYPE DE 10A, 125V. A V SI DE

18、 A / A面SI DE B / B面 DSP P. C. B.Lead Solder / 鉛入Lead Free Solder / 無鉛 FUNCTI ON P. C. B.Lead Free Solder / 無鉛 OPERATI ON P. C. B.Lead Free Solder / 無鉛 MAI N P. C. B.Lead Free Solder / 無鉛 POWER P. C. B.Lead Free Solder / 無鉛 SUBTRANS P. C. B.Lead Free Solder / 無鉛 CONVERSI ON P. C. B.Lead Solder / 鉛入Le

19、ad Free Solder / 無鉛 XM P. C. B.Lead Solder / 鉛入Lead Free Solder / 無鉛 Side A Side B SMT REFLOW Process MI FLOW Process Solder Dip RadioFans.CN 收音机爱 好者资料库 RX-V757/DSP-AX757/DSP-AX757SE RX-V657/HTR-5860 RX-V757/DSP-AX757/DSP-AX757SE RX-V657/HTR-5860 3 Caution: 1. As the melting point temperature of the

20、 lead free solder is about 30C to 40C (50F to 70F) higher than that of the lead solder, be sure to use a soldering iron suitable to each solder. 2. If lead solder must be used, be sure to remove lead-free solder from each terminal section of the parts to be re- placed and from the area around it com

21、pletely before sol- dering, or make sure that the lead free solder and lead solder melt together fully. 注意： 1. 無鉛融点温度通常鉛入比30 40 程度高、 合使用。 2. 鉛入使得場合、 交 換部品端子部周辺部無鉛取 除、 無鉛鉛入十分 溶状態付。 無鉛種類、修理時 下記無鉛使用推奨。 Sn+Ag+Cu （錫+ 銀+銅） Sn+Cu （錫+銅） Sn+Zn+Bi （錫+ 亜鉛+） Among some types of lead free solder currently availa

22、ble, it is recommended to use one of the following types for the repair work. Sn + Ag + Cu (tin + silver + copper) Sn + Cu (tin + copper) Sn + Zn + Bi (tin + zinc + bismuth) M RX-V757 (U, C models) I FRONT PANELS M RX-V757 (R, T, K, A, G models) A, G only RX-V757/DSP-AX757/DSP-AX757SE RX-V657/HTR-58

23、60 4 RX-V757/DSP-AX757/DSP-AX757SE RX-V657/HTR-5860 M RX-V657 (U, C models) M DSP-AX757 (J model) M DSP-AX757SE (B model) RX-V757/DSP-AX757/DSP-AX757SE RX-V657/HTR-5860 RX-V757/DSP-AX757/DSP-AX757SE RX-V657/HTR-5860 5 M RX-V657 (R, T, K, A, B, G, L, E models) A, B, G, E only M HTR-5860 (U, C models)

24、 M HTR-5860 (A model) RX-V757/DSP-AX757/DSP-AX757SE RX-V657/HTR-5860 6 RX-V757/DSP-AX757/DSP-AX757SE RX-V657/HTR-5860 I REMOTE CONTROL PANELS RX-V757 (U, C, R, T, K, A models) DSP-AX757 (J model) RX-V757 (G model) DSP-AX757SE (B model) M RAV272M RAV273 RX-V657 (U, C, R, T, K, A, L models) HTR-5860 (

25、U, C, A models) RX-V657 (B, G, E models) M RAV252M RAV253 RX-V757/DSP-AX757/DSP-AX757SE RX-V657/HTR-5860 RX-V757/DSP-AX757/DSP-AX757SE RX-V657/HTR-5860 7 I REAR PANELS M RX-V757 (U, C models) M RX-V757 (R model) M RX-V757 (T model) RX-V757/DSP-AX757/DSP-AX757SE RX-V657/HTR-5860 8 RX-V757/DSP-AX757/D

26、SP-AX757SE RX-V657/HTR-5860 M RX-V757 (K model) M RX-V757 (A model) M RX-V757 (G model) RX-V757/DSP-AX757/DSP-AX757SE RX-V657/HTR-5860 RX-V757/DSP-AX757/DSP-AX757SE RX-V657/HTR-5860 9 M DSP-AX757 (J model) M DSP-AX757SE (B model) M RX-V657 (U, C models) RX-V757/DSP-AX757/DSP-AX757SE RX-V657/HTR-5860

27、 10 RX-V757/DSP-AX757/DSP-AX757SE RX-V657/HTR-5860 M RX-V657 (R model) M RX-V657 (T model) M RX-V657 (K model) RX-V757/DSP-AX757/DSP-AX757SE RX-V657/HTR-5860 RX-V757/DSP-AX757/DSP-AX757SE RX-V657/HTR-5860 11 M RX-V657 (A model) M RX-V657 (B model) M RX-V657 (G, E models) RX-V757/DSP-AX757/DSP-AX757S

28、E RX-V657/HTR-5860 12 RX-V757/DSP-AX757/DSP-AX757SE RX-V657/HTR-5860 M RX-V657 (L model) M HTR-5860 (U, C models) M HTR-5860 (A model) RX-V757/DSP-AX757/DSP-AX757SE RX-V657/HTR-5860 RX-V757/DSP-AX757/DSP-AX757SE RX-V657/HTR-5860 13 I SPECIFICATIONS / 参考仕様 AUDIO SECTION / 部 Minimum RMS Output Power (

29、Power Amp. Section) / 定格出力 RX-V757/DSP-AX757/DSP-AX757SE (20 Hz to 20 kHz) FRONT L/R U, C, R, T, K, A, B, G models (0.06% THD, 8 ohms) . . . . .100 W + 100 W J model (0.09% THD, 6 ohms) . . . . . . . . . . . .100 W + 100 W CENTER U, C, R, T, K, A, B, G models (0.06% THD, 8 ohms) . . . . . . . . . .

30、.100 W J model (0.09% THD, 6 ohms) . . . . . . . . . . . . . . . . . . .100 W SURROUND L/R U, C, R, T, K, A, B, G models (0.06% THD, 8 ohms) . . . . .100 W + 100 W J model (0.09% THD, 6 ohms) . . . . . . . . . . . .100 W + 100 W SURROUND BACK L/R U, C, R, T, K, A, B, G models (0.06% THD, 8 ohms) . .

31、 . . .100 W + 100 W J model (0.09% THD, 6 ohms) . . . . . . . . . . . .100 W + 100 W (1 kHz) FRONT L/R U, C, R, T, K, A, B, G models (0.7% THD, 8 ohms) . . . . . .115 W + 115 W CENTER U, C, R, T, K, A, B, G models (0.7% THD, 8 ohms) . . . . . . . . . . . .115 W SURROUND L/R U, C, R, T, K, A, B, G mo

32、dels (0.7% THD, 8 ohms) . . . . . .115 W + 115 W SURROUND BACK L/R U, C, R, T, K, A, B, G models (0.7% THD, 8 ohms) . . . . . .115 W + 115 W RX-V657/HTR-5860 (20 Hz to 20 kHz) FRONT L/R U, C, R, T, K, A, B, G, E, L models (0.06% THD, 8 ohms) . . .95 W + 95 W CENTER U, C, R, T, K, A, B, G, E, L model

33、s (0.06% THD, 8 ohms) . . . . . . . .95 W SURROUND L/R U, C, R, T, K, A, B, G, E, L models (0.06% THD, 8 ohms) . . .95 W + 95 W SURROUND BACK L/R U, C, R, T, K, A, B, G, E, L models (0.06% THD, 8 ohms) . . .95 W + 95 W (1 kHz) FRONT L/R U, C, R, T, K, A, B, G, E, L models (0.7% THD, 8 ohms) . .110 W

34、 + 110 W CENTER U, C, R, T, K, A, B, G, E, L models (0.7% THD, 8 ohms) . . . . . . . .110 W SURROUND L/R U, C, R, T, K, A, B, G, E, L models (0.7% THD, 8 ohms) . .110 W + 110 W SURROUND BACK L/R U, C, R, T, K, A, B, G, E, L models (0.7% THD, 8 ohms) . .110 W + 110 W Maximum Power (EIAJ) / 実用最大出力 RX-

35、V757/DSP-AX757/DSP-AX757SE FRONT L/R (1 kHz, 10 % THD) R, T, K models (8 ohms) . . . . . . . . . . . . . . . . . . . . . . . .140 W J model (6 ohms) . . . . . . . . . . . . . . . . . . . . . . . . . . . . .140 W CENTER (1 kHz, 10 % THD) R, T, K models (8 ohms) . . . . . . . . . . . . . . . . . . . .

36、 . . . .140 W J model (6 ohms) . . . . . . . . . . . . . . . . . . . . . . . . . . . . .140 W SURROUND L/R (1 kHz, 10 % THD) R, T, K models (8 ohms) . . . . . . . . . . . . . . . . . . . . . . . .140 W J model (6 ohms) . . . . . . . . . . . . . . . . . . . . . . . . . . . . .140 W SURROUND BACK L/R

37、(1 kHz, 10 % THD) R, T, K models (8 ohms) . . . . . . . . . . . . . . . . . . . . . . . .140 W J model (6 ohms) . . . . . . . . . . . . . . . . . . . . . . . . . . . . .140 W RX-V657/HTR-5860 FRONT L/R (1 kHz, 10 % THD) R, T, K models (8 ohms) . . . . . . . . . . . . . . . . . . . . . . . .135 W CEN

38、TER (1 kHz, 10 % THD) R, T, K models (8 ohms) . . . . . . . . . . . . . . . . . . . . . . . .135 W SURROUND L/R (1 kHz, 10 % THD) R, T, K models (8 ohms) . . . . . . . . . . . . . . . . . . . . . . . .135 W SURROUND BACK L/R (1 kHz, 10 % THD) R, T, K models (8 ohms) . . . . . . . . . . . . . . . . .

39、 . . . . . . .135 W DIN Standard Output Power Per Channel (B, G, E, L models) RX-V757/DSP-AX757/DSP-AX757SE (1 kHz, 0.7 % THD, 4 ohms) FRONT L/R . . . . . . . . . . . . . . . . . . . . . . . . . . . .150 W + 150 W CENTER . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .150 W

40、SURROUND L/R . . . . . . . . . . . . . . . . . . . . . . . .150 W + 150 W SURROUND BACK L/R . . . . . . . . . . . . . . . . . . .150 W + 150 W RX-V657/HTR-5860 (1 kHz, 0.7 % THD, 4 ohms) FRONT L/R . . . . . . . . . . . . . . . . . . . . . . . . . . . .145 W + 145 W CENTER . . . . . . . . . . . . . .

41、 . . . . . . . . . . . . . . . . . . . . . . .145 W SURROUND L/R . . . . . . . . . . . . . . . . . . . . . . . .145 W + 145 W SURROUND BACK L/R . . . . . . . . . . . . . . . . . . .145 W + 145 W IEC Power (B, G, E, L models) RX-V757/DSP-AX757/DSP-AX757SE FRONT L/R, 1 kHz, 0.06% THD, 8 ohms . . . . .

42、 .110 W + 110 W RX-V657/HTR-5860 FRONT L/R, 1 kHz, 0.06% THD, 8 ohms . . . . . .105 W + 105 W Dynamic Power Per Channel (IHF) / RX-V757/DSP-AX757/DSP-AX757SE FRONT L/R U, C, R, T, K, A, B, G models (8/6/4/2 ohms) . . . . .135/170/200/245 W J model (6/4/2 ohms) . . . . . . . . . . . . . . . . . . .14

43、0/170/215 W RX-V657/HTR-5860 U, C, R, T, K, A, B, G, E, L models (8/6/4/2 ohms) . . .130/165/195/240 W Dynamic Headroom (U, C models) RX-V757/DSP-AX757/DSP-AX757SE 8 ohms . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .1.30 dB RX-V657/HTR-5860 8 ohms . . . . . . . . . . .

44、. . . . . . . . . . . . . . . . . . . . . . . . . . .1.36 dB Damping Factor / FRONT L/R, 20 Hz to 20 kHz, 8 ohms . . . . . . . . . .120 or more Input Sensitivity/Input Impedance / 入力感度/ 入力 (1 kHz, 100W/8 ohms) PHONO MM RX-V757/DSP-AX757/DSP-AX757SE . . .3.5 mV/47 k-ohms CD, etc. . . . . . . . . . .

45、. . . . . . . . . . . . . . . . . .200 mV/47 k-ohms MULTI CH INPUT FRONT L/R . . . . . . . . . . . . . . . . . . . . . . . .200 mV/47 k-ohms CENTER . . . . . . . . . . . . . . . . . . . . . . . . . .200 mV/47 k-ohms SURROUND L/R . . . . . . . . . . . . . . . . . . .200 mV/47 k-ohms SURROUND BACK L/R

46、 . . . . . . . . . . . . . .200 mV/47 k-ohms SUBWOOFER . . . . . . . . . . . . . . . . . . . . .200 mV/47 k-ohms Maximum Input Signal / 最大許容入力 PHONO MM RX-V757/DSP-AX757/DSP-AX757SE 1kHz, 0.1 % THD . . . . . . . . . . . . . . . . . . . . . . . . . . . . .60 mV CD, etc., 1kHz, 0.5 % THD (EFFECT ON) .

47、 . . . . . . . . . . . .2.3 V RX-V757/DSP-AX757/DSP-AX757SE RX-V657/HTR-5860 14 RX-V757/DSP-AX757/DSP-AX757SE RX-V657/HTR-5860 Output Level/Output Impedance / 出力電圧/ 出力 REC OUT . . . . . . . . . . . . . . . . . . . . . . . . . .200 mV/1.2 k-ohms PRE OUT (FRONT, CENTER, SURROUND, SURROUND BACK,) . . .

48、 . . . . . . . . . . . . . . . . . . . . . . . . .2.0 V/1.2 k-ohms SUBWOOFER OUT (2ch Stereo & FRONT SP: Small) . . . . . . . . . . . . . . . . . . . . . . . . . . . .4.0 V/1.7 k-ohms ZONE 2 OUT (U, C, A, G, E models) . . . . . . . . . . . . . . . . . . . . . . . . . .200 m V/1.2 k-ohms Headphone Ja

49、ck Rated Output/Output Impedance / 出力/ 出力 CD, etc. 1 kHz, 50 mV, 8 ohms . . . . . . . . . .150 mV/100 ohms Frequency Response / 周波数特性 CD, etc. 10 Hz to 100 kHz, FRONT L/R . . . . . . . . . . . .0/-3.0 dB Total Harmonic Distortion (20 Hz to 20 kHz) / 全高調波歪率 PHONO MM RX-V757/DSP-AX757/DSP-AX757SE to REC OUT (1 V) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .0.02 % or less CD, etc. (2ch Stereo) to FRONT SP OUT (50W/8 ohms) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .0.06 % or less RIAA Equalization Deviation / RI AA偏差 PHONO MM RX-V757/DS