Yamaha-DSPAX-2500-Service-Manual电路原理图.pdf

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1、SERVICE MANUAL 100922 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 / 参考仕様 . 810 INTERNAL VIEW . 11 DISASSEMBLY PROCEDURES / 分解手順. 1215 UPDATING FIRMWARE / 書込. 1617 SELF DIAGNOSIS FUNCTION (DIAG) / 自己診断機能（）. 1842 AMP ADJUSTMENT / 部調整 . 43 DISPLAY DATA . 44 IC DATA . 4548 BLOCK DIAGRAM. 4950

8、PIN CONNECTION DIAGRAM . 51 PRINTED CIRCUIT BOARD . 5269 SCHEMATIC DIAGRAM . 7181 PARTS LIST. 83119 REMOTE CONTROL. 120 AV RECEIVER/AV AMPLIFIER RX-V2500/DSP-AX2500 RX-V2500/ DSP-AX2500 04.11 RadioFans.CN 收音机爱 好者资料库 RX-V2500/DSP-AX2500 2 RX-V2500/ DSP-AX2500 WALL OUTLET EQUIPMENT UNDER TEST AC LEAKA

9、GE 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 We

10、lfare 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, d

11、o 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 are

12、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. GMet

13、er impedance should be equivalent to 1500 ohms shunted by 0.15F. “CAUTION” “F2: FOR CONTINUED PROTECTION AGAINST RISK OF FIRE, REPLACE ONLY WITH SAME TYPE 10A, 125V FUSE.” CAUTION F2: REPLACE WITH SAME TYPE 10A, 125V FUSE. ATTENTION F2: UTILISER UN FUSIBLE DE RECHANGE DE MEME TYPE DE 10A, 125V. GLea

14、kage current must not exceed 0.5mA. GBe sure to test for leakage with the AC plug in both polarities. 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。 Side A Side B SMT REFLOW Process MI FLOW Process Solder Dip 無鉛種類、修理時 下記無鉛使用推奨。

15、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。 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。 Among some types of lead free solder currently available, it is recommended to use one of the following types for the repair work. Sn + Ag + Cu (tin + silver + copper) Sn + Cu (tin + copp

16、er) 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 soldering iron suitable to each solder. 2. If lead solder must be used, be sure to remove lead free sold

17、er from each terminal section of the parts to be replaced and from the area around it completely before soldering, or make sure that the lead-free solder and lead solder melt together fully. DSP P.C.B. FUNCTION P.C.B. OPERATION P.C.B. MAIN P.C.B. POWER PC.B. INPUT P.C.B. CONTROL P.C.B. Side A / A 面

18、Lead Solder / 鉛入 Lead Solder / 鉛入 Lead Solder / 鉛入 Lead Solder / 鉛入 Side B / B 面 Lead Free Solder / 無鉛 Lead Free Solder / 無鉛 Lead Free Solder / 無鉛 Lead Free Solder / 無鉛 Lead Free Solder / 無鉛 Lead Free Solder / 無鉛 Lead Free Solder / 無鉛 RadioFans.CN 收音机爱 好者资料库 RX-V2500/DSP-AX2500 3 RX-V2500/ DSP-AX250

19、0 I FRONT PANELS RX-V2500 (U, C, A models) RX-V2500 (R, T, K, L models) RX-V2500 (B, G models) RX-V2500/DSP-AX2500 4 RX-V2500/ DSP-AX2500 REAR PANELS RX-V2500 (U, C models) DSP-AX2500 (J model) RX-V2500 (R model) RX-V2500/DSP-AX2500 5 RX-V2500/ DSP-AX2500 RX-V2500 (K model) RX-V2500 (A model) RX-V25

20、00 (T model) RX-V2500/DSP-AX2500 6 RX-V2500/ DSP-AX2500 RX-V2500 (B model) RX-V2500 (G model) RX-V2500 (L model) RX-V2500/DSP-AX2500 7 RX-V2500/ DSP-AX2500 DSP-AX2500 (J model) I REMOTE CONTROL RX-V2500 (U, C, R, T, K, A, L models) DSP-AX2500 (J model) RX-V2500 (B, G models) RX-V2500/DSP-AX2500 8 RX

21、-V2500/ DSP-AX2500 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).130W + 130W J model (0.06% THD, 6 ohms) .130W + 130W CENTER U, C, R, T, K, A, B, G, L models (0.04

22、% THD, 8 ohms).130W J model (0.06% THD, 6 ohms) . 130W SURROUND L/R U, C, R, T, K, A, B, G, L models (0.04% THD, 8 ohms).130W + 130W J model (0.06% THD, 6 ohms) .130W + 130W SURROUND BACK L/R U, C, R, T, K, A, B, G, L models (0.04% THD, 8 ohms).130W + 130W J model (0.06% THD, 6 ohms) .130W + 130W Ma

23、ximum Power / 実用最大出力 (EIAJ, 1kHz, 10% THD) FRONT L/R R, T, K, L models (8 ohms).180W + 180W J model (6 ohms) .180W + 180W CENTER R, T, K, L models (8 ohms). 180W J model (6 ohms) . 180W SURROUND L/R R, T, K, L models (8 ohms).180W + 180W J model (6 ohms) .180W + 180W SURROUND BACK L/R R, T, K, L mod

24、els (8 ohms).180W + 180W J model (6 ohms) .180W + 180W Dynamic Power Per Channel / (IHF) U, C, R, T, K, A, L models (8/6/4/2 ohms) . 165/205/260/340W DIN Standard Output Power Per Channel / DIN B, G models (1 kHz, 0.7% THD, 4 ohms) FRONT L/R .190W + 190W CENTER. 190W SURROUND L/R .190W + 190W SURROU

25、ND BACK L/R .190W + 190W Dynamic Headroom / U, C, R, T, K, A, L models (8 ohms). 1.03dB IEC Power / IEC B, G models (1 kHz, 0.04% THD, 8 ohms) FRONT L/R .140W + 140W Damping Factor / 20 Hz to 20 kHz, SPEAKER-A, 8 ohms . 140 or more Input Sensitivity / Input Impedance (入力感度/入力) PHONO (MM). 3.5 mV / 4

26、7 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 or more CD, etc. (1 kHz, 0.5% THD) .2.4V or more Output Level / Output Impedance (出力電圧/出力) REC OUT . 200 mV /

27、1.2 k-ohms PRE OUT (FRONT L/R, CENTER, SURROUND L/R, SURROUND BACK L/R). 1.0 V / 500 ohms SUB WOOFER. 2.0 V / 500 ohms U, C, A, B, G models ZONE 2 OUT. 1.0 V / 1.2 k-ohms ZONE 3 OUT. 1.0 V / 1.2 k-ohms Headphone Jack Rated Output / Impedance (出力/出 力) CD, etc. (1 kHz, 40 mV, 8 ohms). 150 mV / 100 ohm

28、s 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 20kHz) PHONO (MM) to REC OUT (1V) .0.02% or less CD, etc. (STEREO) to FRONT L/R SP OUT (65W, 8 ohms)

29、 .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 or more CD, etc. (Input shorted, STEREO) to SP OUT 200mV .98dB or more 250mV .100dB or more Residual

30、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) . 60dB or more/45dB or more Tone Control Characteristics / 特性 BASS Boost/Cut . 6dB (50Hz) Turnover

31、 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=40/60/80/90/100/110/120/160/200Hz / 12dB oct. SUBWOOFER (L.P.F.) . fc=40/60/80/90/100/110/120/160/200Hz / 24dB oct. I Video Section

32、/ 部 Video Signal Type / 信号方式 Wall Paper U, C, R, K, J models . NTSC T, A, B, G, L models . PAL Video Conversion U, C, R, T, K, A, B, G, L, J models . NTSC R, T, A, B, 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 /

33、 75 ohms Component Video Signal Level / 信号 Y . 1 Vp-p / 75 ohms Pb/Pr . 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 Noise 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 C

34、omponent Video Signal, D4-Video Signal (J model) . 5 Hz to 60 MHz, -3 dB I FM Section / FM部 Tuning Range / 受信周波数範囲 U, C models . 87.5 to 107.9 MHz R, L models . 87.5 to 108.0 / 87.50 to 108.00 MHz T, K, A, B, G models . 87.50 to 108.00 MHz J model . 76.0 to 90.0 MHz 50dB Quieting Sensitivity / 50dB

35、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 RX-V2500/DSP-AX2500 9 Main Menu Sub MenuParameterSetting value

36、( Initial value) / 設定値 （ 初期値） THXCinemaDecode TypePro Logic Pro Logic II Pro Logic II x Neo : 6 SURROUNDStandardDecode TypePro Logic PL II Movie PL II Music PL II Game PL II x Movie PL II x Music PL II x Game Neo : 6 Cinema Neo : 6 Music PanarameOFF / ON Dimension-3 / +3 / 1 STD Center Width0 / 7 / 1 3 Center Image0.0 / 1.0 / 0.1 0.3 InitializeNO / YES ParameterDecode TypeDSP LevelSur. Init. DeleySur. Room SizeSur. LivenessSB Init. DeleySB