Yamaha-RXV-740-Service-Manual电路原理图.pdf

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1、SERVICE MANUAL 100847 IMPORTANT NOTICE 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 user

2、s, and have therefore not 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 pro

3、duct owners that any service 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

4、capabilities, or establish 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 ar

5、e, therefore, inevitable 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

6、 may have accumulated by 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. P.O.Box 1, Hamamatsu, Japan I CONTENTS TO SERVICE PERSO

7、NNEL . 2 IMPEDANCE SELECTOR . 2 FRONT PANELS. 35 REAR PANELS . 612 REMOTE CONTROL PANELS. 13 SPECIFICATIONS / 参考仕様 . 1417 INTERNAL VIEW . 18 DISASSEMBLY PROCEDURES / 分解手順 . 1922 SELF DIAGNOSIS FUNCTION (DIAG) / 自己診断機能（）. 2344 AMP ADJUSTMENT / 部調整 . 45 DISPLAY DATA . 4647 IC DATA . 4853 BLOCK DIAGRAM

8、. 5455 PRINTED CIRCUIT BOARD . 5679 PIN CONNECTION DIAGRAM . 80 SCHEMATIC DIAGRAM . 8192 PARTS LIST. 93147 REMOTE CONTROL. 148152 AV RECEIVER/AV AMPLIFIER RX-V740/RX-V740RDS/DSP-AX740 RX-V640/RX-V640RDS/HTR-5660/DSP-AX640/DSP-AX640SE RX-V740/RX-V740RDS/DSP-AX740 RX-V640/RX-V640RDS/HTR-5660/DSP-AX640

9、/DSP-AX640SE Copyright 2003 YAMAHA CORPORATION This manual is copyrighted by YAMAHA and may not be copied or redistributed either in print or electronically without permission. RX-V740/RX-V740RDS/DSP-AX740 RX-V640/RX-V640RDS/HTR-5660/DSP-AX640/DSP-AX640SE RX-V740/RX-V740RDS/DSP-AX740 RX-V640/RX-V640

10、RDS/HTR-5660/DSP-AX640/DSP-AX640SE 2 171 (6-3/4) 150 (5-7/8)349.3 (13-3/4) 21 (13/16) 18.4 (3/4) 21 (13/16) 388.7 (15-5/16) 435 (17-1/8) Unit : mm (inch) 単位: mm（） WALL OUTLET EQUIPMENT UNDER TEST AC LEAKAGE TESTER OR EQUIVALENT INSULATING TABLE WARNING: CHEMICAL CONTENT NOTICE! The solder used in th

11、e production of this product contains LEAD. In addition, other electrical/electronic and/or plastic (where applicable) components may also contain traces of chemicals found by the California Health and Welfare Agency (and possibly other entities) to cause cancer and/or birth defects or other reprodu

12、ctive harm. DO NOT PLACE SOLDER, ELECTRICAL/ELECTRONIC OR PLASTIC COMPONENTS IN YOUR MOUTH FOR ANY REA- SON WHATSOEVER! Avoid prolonged, unprotected contact between solder and your skin! When soldering, do not inhale solder fumes or expose eyes to solder/flux vapor! If you come in contact with solde

13、r or components located inside the enclosure of this product, wash your hands before handling food. I TO SERVICE PERSONNEL 1. Critical Components Information Components having special characteristics are marked s and must be replaced with parts having specifications equal to those originally install

14、ed. 2. Leakage Current Measurement (For 120V Models Only) When service has been completed, it is imperative to verify that all exposed conductive surfaces are properly insulated from supply circuits. GMeter impedance should be equivalent to 1500 ohm shunted by 0.15F. I IMPEDANCE SELECTOR IMPEDANCE S

15、ELECTOR WARNING: Do not change the IMPEDANCE SELECTOR switch setting while the power to this unit is on, otherwise this unit may be damaged. “CAUTION” “F701, 702: FOR CONTINUED PROTECTION AGAINST RISK OF FIRE, REPLACE ONLY WITH SAME TYPE 8A, 125V FUSE.” CAUTION F701, 702: REPLACE WITH SAME TYPE 8A,

16、125V FUSE. ATTENTION F701, 702: UTILISER UN FUSIBLE DE RECHANGE DE MEME TYPE DE 8A, 125V. GLeakage current must not exceed 0.5mA. GBe sure to test for leakage with the AC plug in both polarities. DIMENSIONS / 寸法図 RX-V740/RX-V740RDS/DSP-AX740 RX-V640/RX-V640RDS/HTR-5660/DSP-AX640/DSP-AX640SE 3 RX-V74

17、0/RX-V740RDS/DSP-AX740 RX-V640/RX-V640RDS/HTR-5660/DSP-AX640/DSP-AX640SE I FRONT PANELS RX-V740 (U, C, A, L, R, T, K models) RX-V740RDS (B, G models) DSP-AX740 (J model) RX-V740/RX-V740RDS/DSP-AX740 RX-V640/RX-V640RDS/HTR-5660/DSP-AX640/DSP-AX640SE RX-V740/RX-V740RDS/DSP-AX740 RX-V640/RX-V640RDS/HTR

18、-5660/DSP-AX640/DSP-AX640SE 4 RX-V640RDS (B, G models) HTR-5660 (U, C, A, T, K models) RX-V640 (U, C, A, L, R, T, K models) RX-V740/RX-V740RDS/DSP-AX740 RX-V640/RX-V640RDS/HTR-5660/DSP-AX640/DSP-AX640SE 5 RX-V740/RX-V740RDS/DSP-AX740 RX-V640/RX-V640RDS/HTR-5660/DSP-AX640/DSP-AX640SE DSP-AX640 (J mod

19、el) DSP-AX640SE (B, G models) RX-V740/RX-V740RDS/DSP-AX740 RX-V640/RX-V640RDS/HTR-5660/DSP-AX640/DSP-AX640SE RX-V740/RX-V740RDS/DSP-AX740 RX-V640/RX-V640RDS/HTR-5660/DSP-AX640/DSP-AX640SE 6 I REAR PANELS RX-V740 (U, C models) RX-V740 (A model) RX-V740 (L model) RX-V740/RX-V740RDS/DSP-AX740 RX-V640/R

20、X-V640RDS/HTR-5660/DSP-AX640/DSP-AX640SE 7 RX-V740/RX-V740RDS/DSP-AX740 RX-V640/RX-V640RDS/HTR-5660/DSP-AX640/DSP-AX640SE RX-V740RDS (B model) RX-V740RDS (G model) RX-V740 (R, T, K models) RX-V740/RX-V740RDS/DSP-AX740 RX-V640/RX-V640RDS/HTR-5660/DSP-AX640/DSP-AX640SE RX-V740/RX-V740RDS/DSP-AX740 RX-

21、V640/RX-V640RDS/HTR-5660/DSP-AX640/DSP-AX640SE 8 RX-V640 (A model) DSP-AX740 (J model) RX-V640 (U, C models) RX-V740/RX-V740RDS/DSP-AX740 RX-V640/RX-V640RDS/HTR-5660/DSP-AX640/DSP-AX640SE 9 RX-V740/RX-V740RDS/DSP-AX740 RX-V640/RX-V640RDS/HTR-5660/DSP-AX640/DSP-AX640SE RX-V640 (R, T, K models) RX-V64

22、0RDS (B model) RX-V640 (L model) RX-V740/RX-V740RDS/DSP-AX740 RX-V640/RX-V640RDS/HTR-5660/DSP-AX640/DSP-AX640SE RX-V740/RX-V740RDS/DSP-AX740 RX-V640/RX-V640RDS/HTR-5660/DSP-AX640/DSP-AX640SE 10 RX-V640RDS (G model) HTR-5660 (U, C models) HTR-5660 (A model) RX-V740/RX-V740RDS/DSP-AX740 RX-V640/RX-V64

23、0RDS/HTR-5660/DSP-AX640/DSP-AX640SE 11 RX-V740/RX-V740RDS/DSP-AX740 RX-V640/RX-V640RDS/HTR-5660/DSP-AX640/DSP-AX640SE DSP-AX640 (J model) DSP-AX640SE (B model) HTR-5660 (T, K models) RX-V740/RX-V740RDS/DSP-AX740 RX-V640/RX-V640RDS/HTR-5660/DSP-AX640/DSP-AX640SE RX-V740/RX-V740RDS/DSP-AX740 RX-V640/R

24、X-V640RDS/HTR-5660/DSP-AX640/DSP-AX640SE 12 DSP-AX640SE (G model) RX-V740/RX-V740RDS/DSP-AX740 RX-V640/RX-V640RDS/HTR-5660/DSP-AX640/DSP-AX640SE 13 RX-V740/RX-V740RDS/DSP-AX740 RX-V640/RX-V640RDS/HTR-5660/DSP-AX640/DSP-AX640SE I REMOTE CONTROL PANELS RX-V740 (U, C, A, L, R, T, K models) DSP-AX740 (J

25、 model) RX-V640 (U, C, A, L, R, T, K models) HTR-5660 (U, C, A, T, K models) DSP-AX640 (J model) RX-V740RDS (B, G models) RX-V640RDS (B, G models) DSP-AX640SE (B, G models) RX-V740/RX-V740RDS/DSP-AX740 RX-V640/RX-V640RDS/HTR-5660/DSP-AX640/DSP-AX640SE RX-V740/RX-V740RDS/DSP-AX740 RX-V640/RX-V640RDS/

26、HTR-5660/DSP-AX640/DSP-AX640SE 14 I SPECIFICATIONS / 参考仕様 I Audio Section / 部 Minimum RMS Output Power (Power Amp. Section) / 定格出力 ( 部) RX-V740/RX-V740RDS/DSP-AX740 (20 Hz to 20 kHz) MAIN L/R U, C models (0.06% THD, 8 ohms). (FTC) 90W + 90W A, B, G, L, R, T, K models (0.06% THD, 8 ohms) .90W + 90W J

27、 model (0.06% THD, 6 ohms) .90W + 90W CENTER, REAR CENTER U, C models (0.06% THD, 8 ohms). (FTC) 90W + 90W A, B, G, L, R, T, K models (0.06% THD, 8 ohms) .90W + 90W J model (0.06% THD, 6 ohms) .90W + 90W REAR L/R U, C models (0.06% THD, 8 ohms). (FTC) 90W + 90W A, B, G, L, R, T, K models (0.06% THD,

28、 8 ohms) .90W + 90W J model (0.06% THD, 6 ohms) .90W + 90W (1 kHz) MAIN L/R U, C models (0.7% THD, 8 ohms). (FTC) 110W + 110W A, B, G, L, R, T, K models (0.7% THD, 8 ohms).110W + 110W CENTER, REAR CENTER U, C models (0.7% THD, 8 ohms). (FTC) 110W + 110W A, B, G, L, R, T, K models (0.7% THD, 8 ohms)

29、110W + 110W REAR L/R U, C models (0.7% THD, 8 ohms). (FTC) 110W + 110W A, B, G, L, R, T, K models (0.7% THD, 8 ohms).110W + 110W RX-V640/RX-V640RDS/HTR-5660/DSP-AX640/DSP-AX640SE (20 Hz to 20 kHz) MAIN L/R U, C models (0.06% THD, 8 ohms). (FTC) 85W + 85W A, B, G, L, R, T, K models (0.06% THD, 8 ohms

30、) .85W + 85W J model (0.06% THD, 6 ohms) .85W + 85W CENTER, REAR CENTER U, C models (0.06% THD, 8 ohms). (FTC) 85W + 85W A, B, G, L, R, T, K models (0.06% THD, 8 ohms) .85W + 85W J model (0.06% THD, 6 ohms) .85W + 85W REAR L/R U, C models (0.06% THD, 8 ohms). (FTC) 85W + 85W A, B, G, L, R, T, K mode

31、ls (0.06% THD, 8 ohms) .85W + 85W J model (0.06% THD, 6 ohms) .85W + 85W (1 kHz) MAIN L/R U, C models (0.7% THD, 8 ohms). (FTC) 105W + 105W A, B, G, L, R, T, K models (0.7% THD, 8 ohms).105W + 105W CENTER, REAR CENTER U, C models (0.7% THD, 8 ohms). (FTC) 105W + 105W A, B, G, L, R, T, K models (0.7%

32、 THD, 8 ohms) 105W + 105W REAR L/R U, C models (0.7% THD, 8 ohms). (FTC) 105W + 105W A, B, G, L, R, T, K models (0.7% THD, 8 ohms).105W + 105W Maximum Power / 実用最大出力 (EIAJ, 1kHz, 10% THD) RX-V740/RX-V740RDS/DSP-AX740 MAIN L/R R, T, K models (8 ohms).130W + 130W J model (6 ohms) .140W + 140W CENTER,

33、REAR CENTER R, T, K models (8 ohms).130W + 130W J model (6 ohms) .140W + 140W REAR L/R R, T, K models (8 ohms).130W + 130W J model (6 ohms) .140W + 140W RX-V640/RX-V640RDS/HTR-5660/DSP-AX640/DSP-AX640SE MAIN L/R R, T, K models (8 ohms).125W + 125W J model (6 ohms) .135W + 135W CENTER, REAR CENTER R,

34、 T, K models (8 ohms).125W + 125W J model (6 ohms) .135W + 135W REAR L/R R, T, K models (8 ohms).125W + 125W J model (6 ohms) .135W + 135W DIN Standard Output Power Per Channel / DIN B, G, L models RX-V740/RX-V740RDS/DSP-AX740 (1 kHz, 0.7% THD, 4 ohms) MAIN L/R.140W + 140W CENTER, REAR CENTER .140W

35、+ 140W REAR L/R.140W + 140W RX-V640/RX-V640RDS/HTR-5660/DSP-AX640/DSP-AX640SE (1 kHz, 0.7% THD, 4 ohms) MAIN L/R .135W + 135W CENTER, REAR CENTER .135W + 135W REAR L/R.135W + 135W IEC Power / IEC B, G, L models RX-V740/RX-V740RDS/DSP-AX740 1 kHz, 0.06% THD, 8 ohms .105W + 105W RX-V640/RX-V640RDS/HTR

36、-5660/DSP-AX640/DSP-AX640SE 1 kHz, 0.06% THD, 8 ohms .100W + 100W Dynamic Power Per Channel / (IHF) RX-V740/RX-V740RDS/DSP-AX740 U, C models (8/6/4/2 ohms). 130/160/190/235W A, B, G, L, R, T, K models (8/6/4/2 ohms) . 120/145/185/230W J model (8/6/4/2 ohms) . /130/160/205W RX-V640/RX-V640RDS/HTR-566

37、0/DSP-AX640/DSP-AX640SE U, C models (8/6/4/2 ohms). 125/155/185/230W A, B, G, L, R, T, K models (8/6/4/2 ohms) . 115/140/180/225W J model (6/4/2 ohms) . /125/155/200W Dynamic Headroom / RX-V740/RX-V740RDS/DSP-AX740 U, C models (8 ohms) . 1.60 dB RX-V640/RX-V640RDS/HTR-5660/DSP-AX640/DSP-AX640SE U, C

38、 models (8 ohms) . 1.67 dB Damping Factor / 20 Hz to 20 kHz, SPEAKER-A, 8 ohms . 100 or more Input Sensitivity / Input Impedance (入力感度/入力) PHONO (MM)(RX-V740/RX-V740RDS/DSP-AX740) . 2.5 mV / 47 k-ohms CD, etc. . 150 mV / 47 k-ohms EXT. DECODER MAIN L/R, CENTER, SURROUND L/R, SUB WOOFER . 150 mV / 47

39、 k-ohms Maximum Input Signal Level / 最大許容入力 PHONO (MM) (1 kHz, 0.1% THD).50 mV or more CD, etc. (1 kHz, 0.5% THD, Effect On) .2.2 V or more Output Level / Output Impedance (出力電圧/出力) REC OUT . 150 mV / 1.2 k-ohms PRE OUT . 2.4 V / 1.2 k-ohms SUB WOOFER (Stereo & MAIN SP: Small) . 4 V / 1.2 k-ohms ZON

40、E 2 OUT. 150 mV / 1.5 k-ohms Headphone Jack Rated Output / Impedance (出力/出 力) CD, etc. (1 kHz, 35 mV, 8 ohms). 150 mV / 100 ohms Frequency Response / 周波数特性 CD, etc. to MAIN L/R (10 Hz to 100 kHz) . +0/-3.0dB Total Harmonic Distortion / 全高調波歪率 (20Hz to 20kHz) PHONO (MM) to REC OUT (1V) (RX-V740/RX-V740RDS/DSP-AX740) .0.02% or less CD, etc. (Effect Off) to MAIN L/R SP OUT (45W, 8 ohms) . 0.06% or less RIAA Equalization Deviation / RIAA偏差 PHONO (MM). 00.5dB Signal to Noise Ratio / 信号対雑音比 (IHF-A network)