Yamaha-DSPAX-1500-Service-Manual电路原理图.pdf

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1、SERVICE MANUAL 100919 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 FRONT PANELS. 34 REAR PANELS . 47 REMOTE CONTROL. 7 SPECIFICATIONS. 811 INTERNAL VIEW . 12 DISASSEMBLY PROCEDURES / 分解手順 . 1316 UPDATING FIRMWARE / 書込. 1718 SELF DIAGNOSIS FUNCTION (DIAG) / 自己診断機能（）. 1943 AMP ADJUSTMENT / 部調整 . 4445 DISPLAY DATA . 4647 IC DATA . 4857 BLOCK DIAGRAM. 5859 PRI

8、NTED CIRCUIT BOARD . 6074 PIN CONNECTION DIAGRAM . 7576 SCHEMATIC DIAGRAM . 7785 PARTS LIST. 87123 REMOTE CONTROL. 124125 AV RECEIVER/AV AMPLIFIER RX-V1500/DSP-AX1500 RX-V1500/ DSP-AX1500 04.09 RadioFans.CN 收音机爱 好者资料库 2 RX-V1500/ DSP-AX1500 RX-V1500/DSP-AX1500 WALL OUTLET EQUIPMENT UNDER TEST AC LEA

9、KAGE TESTER OR EQUIVALENT INSULATING TABLE 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 by the California Health and

10、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 REA- SON WHATSOEVER! Avoid prolonged, unprotected contact between solder and your skin! When soldering,

11、 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. I TO SERVICE PERSONNEL 1. Critical Components Information Components having special characteristics ar

12、e marked s 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 completed, it is imperative to verify that all exposed conductive surfaces are properly insulated from supply circuits. GM

13、eter impedance should be equivalent to 1500 ohm shunted by 0.15F. “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 10

14、A, 125V. GLeakage current must not exceed 0.5mA. GBe sure to test for leakage with the AC plug in both polarities. 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+） 注意： 無鉛融点温度通常鉛入比30 40程度高、 合使用。 Among some types of lead free solder currently available, it is recommended to use one of

15、the following types for the repair work. Sn + Ag + Cu (tin + silver + copper) Sn + Cu (tin + copper) Sn + Zn + Bi (tin + zinc + bismuth) Caution: 1. As the melting point temperature of the lead free solder is about 30C to 40C (50F to 70F) higher than that of the lead solder, be sure to use a solderi

16、ng iron suitable to each solder. About Lead Free Solder / 無鉛 The P.C.B.s installed in this unit are soldered using the following solder. 本機搭載基板付使用 下記通。 DSP P.C.B. FUNCTION P.C.B. OPERATION P.C.B. MAIN P.C.B. POWER PC.B. VIDEO P.C.B. CONVERSION P.C.B. A 面 鉛入 鉛入 鉛入 B 面 無鉛 無鉛 無鉛 無鉛 無鉛 無鉛 無鉛 DSP P.C.B.

17、FUNCTION P.C.B. OPERATION P.C.B. MAIN P.C.B. POWER PC.B. VIDEO P.C.B. CONVERSION P.C.B. Side A Lead Solder Lead Solder - - - - Lead Solder Side B Lead Free Solder Lead Free Solder Lead Free Solder Lead Free Solder Lead Free Solder Lead Free Solder Lead Free Solder Side A Side B SMT REFLOW Process MI

18、 FLOW Process Solder Dip RadioFans.CN 收音机爱 好者资料库 3 RX-V1500/DSP-AX1500 RX-V1500/ DSP-AX1500 I FRONT PANELS RX-V1500 (U, C, A models) RX-V1500 (R, T, K, L models) 2. If lead solder must be used, be sure to remove lead free solder from each terminal section of the parts to be replaced and from the are

19、a around it completely before soldering, or make sure that the lead free solder and lead solder melt together fully. 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。 RX-V1500 (B, G models) 4 RX-V1500/ DSP-AX1500 RX-V1500/DSP-AX1500 REAR PANELS RX-V1500 (U, C models) RX-V1500 (R model) DSP-AX1500 (J model) 5 RX-

20、V1500/DSP-AX1500 RX-V1500/ DSP-AX1500 RX-V1500 (T model) RX-V1500 (K model) RX-V1500 (A model) 6 RX-V1500/ DSP-AX1500 RX-V1500/DSP-AX1500 RX-V1500 (G model) RX-V1500 (L model) RX-V1500 (B model) 7 RX-V1500/DSP-AX1500 RX-V1500/ DSP-AX1500 DSP-AX1500 (J model) I REMOTE CONTROL RX-V1500 (B, G models)RX

21、-V1500 (U, C, R, T, K, A, L models) DSP-AX1500 (J models) 8 RX-V1500/ DSP-AX1500 RX-V1500/DSP-AX1500 I SPECIFICATIONS / 参考仕様 I Audio Section / 部 Minimum RMS Output Power (Power Amp. Section) / 定格出力 ( 部) (20 Hz to 20 kHz) FRONT L/R U, C, R, T, K, A, B, G, L models (0.04% THD, 8 ohms) .120W + 120W J m

22、odel (0.06% THD, 6 ohms) .120W + 120W CENTER U, C, R, T, K, A, B, G, L models (0.04% THD, 8 ohms) . 120W J model (0.06% THD, 6 ohms) . 120W SURROUND L/R U, C, R, T, K, A, B, G, L models (0.04% THD, 8 ohms) .120W + 120W J model (0.06% THD, 6 ohms) .120W + 120W SURROUND BACK L/R U, C, R, T, K, A, B, G

23、, L models (0.04% THD, 8 ohms) .120W + 120W J model (0.06% THD, 6 ohms) .120W + 120W Maximum Power / 実用最大出力 (EIAJ, 1kHz, 10% THD) FRONT L/R R, T, K, L models (8 ohms).170W + 170W J model (6 ohms) .170W + 170W CENTER R, T, K, L models (8 ohms). 170W J model (6 ohms) . 170W SURROUND L/R R, T, K, L mod

24、els (8 ohms).170W + 170W J model (6 ohms) .170W + 170W SURROUND BACK L/R R, T, K, L models (8 ohms).170W + 170W J model (6 ohms) .170W + 170W Dynamic Power Per Channel / (IHF) U, C, R, T, K, A, L models (8/6/4/2 ohms) . 155/195/250/330W DIN Standard Output Power Per Channel / DIN B, G models (1 kHz,

25、 0.7% THD, 4 ohms) FRONT L/R .170W + 170W CENTER. 170W SURROUND L/R .170W + 170W SURROUND BACK L/R .170W + 170W Dynamic Headroom / U, C, R, T, K, A, L models (8 ohms). 1.11dB IEC Power / IEC B, G models (1 kHz, 0.04% THD, 8 ohms) FRONT L/R .125W + 125W Damping Factor / FRONT L/R (20 Hz to 20 kHz, SP

26、EAKER-A, 8 ohms) . 140 or more Input Sensitivity / Input Impedance (入力感度/入力) PHONO (MM). 3.5 mV / 47 k-ohms CD, etc. . 200 mV / 47 k-ohms MULTI CH INPUT FRONT L/R, CENTER, SURROUND L/R, SUB WOOFER . 200 mV / 47 k-ohms Maximum Input Signal Level / 最大許容入力 PHONO (MM) (1 kHz, 0.1% THD). 100mV CD, etc. (

27、1 kHz, 0.5% THD) . 2.4V Output Level / Output Impedance (出力電圧/出力) REC OUT . 200 mV / 1.2 k-ohms PRE OUT (FRONT L/R, CENTER, SURROUND, SURROUND BACK) . 1.0 V / 500 ohms SUB WOOFER. 2.0 V / 500 ohms ZONE 2 OUT U, C, A, B, G models . 1.0 V / 1.2 k-ohms ZONE 3 OUT U, C, A, B, G models . 1.0 V / 1.2 k-oh

28、ms Headphone Jack Rated Output / Impedance (出力/出 力) CD, etc. (1 kHz, 40 mV, 8 ohms). 150 mV / 100 ohms Frequency Response / 周波数特性 CD, etc. to FRONT L/R (10 Hz to 100 kHz) . +0/-3.0dB RIAA Equalization Deviation / RIAA偏差 20 Hz to 20 kHz, PHONO (MM) . 00.5dB Total Harmonic Distortion / 全高調波歪率 (20Hz to

29、 20kHz) PHONO (MM) to REC OUT (1V) .0.02% or less CD, etc. (STEREO) to FRONT L/R SP OUT (60W, 8 ohms) .0.04% or less Signal to Noise Ratio / 信号対雑音比 (IHF-A network) PHONO (MM) (Input shorted) to SP OUT U, C, R, T, K, L models (5mV).86dB or more A, B, G models (5mV).81dB or more J model (2.5mV).80dB o

30、r more CD, etc. (Input shorted, STEREO) to SP OUT 200mV .98dB or more 250mV .100dB or more Residual Noise / 残留 (IHF-A network) FRONT L/R SP OUT. 150V or less Channel Separation / (STEREO) PHONO (Input shorted, 1 kHz/10 kHz) . 60dB or more/55dB or more CD, etc. (Input 5.1 k-ohms shorted, 1 kHz/10 kHz

31、) . 60dB or more/45dB or more Tone Control Characteristics / 特性 BASS Boost/Cut . 6dB (50Hz) Turnover Frequency . 350Hz TREBLE Boost/Cut . 6dB (20kHz) Turnover Frequency . 3.5kHz Filter Characteristics / 特性 FRONT, CENTER, SURROUND, SURROUND BACK SP Small (H.P.F.) . fc=40/60/80/90/100/110/120/160/200H

32、z / 12dB/oct. SUBWOOFER (L.P.F.) . fc=40/60/80/90/100/110/120/160/200Hz / 24dB/oct. I Video Section / 部 Video Signal Type (Gray Back) / 信号方式 () U, C, R, K, J models . NTSC T, A, B, G, L models . PAL Video Signal Type (Video Conversion) / 信号方式 ( ) U, C, R, T, K, A, B, G, L, J models . NTSC R, T, A, B

33、, G, L models. PAL Composite Video Signal Level / 信号 . 1 Vp-p / 75 ohms S-Video Signal Level / S信号 Y . 1 Vp-p / 75 ohms C .0.286 Vp-p / 75 ohms Component Video Signal Level / 信号 Y . 1 Vp-p / 75 ohms Pb/Cr . 0.7 Vp-p / 75 ohms Video Maximum Input Level / 最大許容入力 . 1.5 Vp-p or more Video Signal to Nois

34、e Ratio / 信号対雑音比 .60 dB or more Monitor Out Frequency Response / 周波数帯域 Composite Video Signal, S-Video Signal . 5 Hz to 10 MHz, -3 dB Component Video Signal. 5 Hz to 60 MHz, -3 dB D4-Video Signal (J model) . 5 Hz to 60 MHz, -3 dB I FM Section / FM部 Tuning Range U, C models . 87.5 to 107.9 MHz T, K,

35、A, B, G models . 87.50 to 108.00 MHz R, L models . 87.5 to 108.0 / 87.50 to 108.00 MHz J model . 76.0 to 90.0 MHz 50dB Quieting Sensitivity / 50dB SN感度 (IHF) (1kHz, 100% Mod.) Mono . 2.0 V (17.3 dBf) Stereo . 25 V (39.2 dBf) Usable Sensitivity / 実用感度 (IHF) Mono . 1.0 V (11.2 dBf) Selectivity / 選択度 at 400 kHz . 70 dB Signal to Noise Ratio / 信号対雑音比 (IHF) Mono / Stereo .76 dB / 70 dB Harmonic Distortion / 歪率 (1 kHz) Mono/Stereo. 0.2 / 0.3 % Stereo Separation / 1 kHz . 42 dB Frequency Response / 周波数特性 20 Hz to 15 kHz .