Yamaha-DSPAX1900-avr-sm 电路图 维修手册.pdf

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1、RX-V1900/HTR-6290/ DSP-AX1900 1 0 111 3 SERVICE MANUAL 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 specifi cally YAMAHA Products, are alread

2、y known and understood by the users, 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 specifi ed. For the

3、se reasons, we advise all YAMAHA product 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 fi rm does not constitute authorization, certifi cation or r

4、ecognition of any applicable technical 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 im

5、prove YAMAHA products. Modifications are, therefore, inevitable and specifi cations are subject to change without notice or obligation to retrofi t. Should any discrepancy appear to exist, please contact the distributors Service Division. WARNING: Static discharges can destroy expensive components.

6、Discharge any static electricity your body 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. CONTENTS TO

7、SERVICE PERSONNEL .2 FRONT PANELS .4 REAR PANELS .69 REMOTE CONTROL PANELS .10 SPECIFICATIONS / 参考仕様 . 1116 INTERNAL VIEW .17 DISASSEMBLY PROCEDURES / 分解手順 .1826 UPDATING FIRMWARE / 書込 .2733 SELF-DIAGNOSTIC FUNCTION / （自己診断機能） .3469 AMP ADJUSTMENT / 部調整 .70 DISPLAY DATA .7172 IC DATA .7383 BLOCK DIA

8、GRAMS .8487 PRINTED CIRCUIT BOARDS . 88119 PIN CONNECTION DIAGRAMS .120122 SCHEMATIC DIAGRAMS .123144 REPLACEMENT PARTS LIST .145186 REMOTE CONTROL .187190 ADVANCED SETUP / 本機設定変更 .191197 AV RECEIVER/AV AMPLIFIER RX-V1900/HTR-6290/ DSP-AX1900 animate 08.09 P.O.Box 1, Hamamatsu, Japan Copyright 2008

9、All rights reserved. This manual is copyrighted by YAMAHA and may not be copied or redistributed either in print or electronically without permission. RadioFans.CN 收音机爱 好者资料库 RX-V1900/HTR-6290/DSP-AX1900 2 RX-V1900/HTR-6290/ DSP-AX1900 This product contains chemicals known to the State of California

10、 to cause cancer, 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 your skin! When soldering, do not inhale solder fumes or expose eyes to sol

11、der/flux vapor! If you come in contact with solder or components located inside the enclosure of this product, wash your hands before handling food. 1. Critical Components Information Components having special characteristics are marked and must be replaced with parts having specifications equal to

12、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. Meter impedance should be equivalent to 1500 ohms shunted by 0.15 F. “CAUTIO

13、N” “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 MME TYPE DE 10A, 125V. 本機搭載基板付 接合部無鉛付。 無鉛種類、修理時 下記無鉛使用推奨。 Sn+Ag+Cu（錫 + 銀 + 銅） Sn+Cu（錫 +

14、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。 All of the P.C.B.s installed in this unit and solder joints are soldered using the lead free solder. 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

15、(tin + silver + copper) Sn + Cu (tin + copper) Sn + Zn + Bi (tin + zinc + bismuth) Caution: 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. TO SERVICE PERSONNEL Lea

16、kage current must not exceed 0.5mA. Be sure to test for leakage with the AC plug in both polari- ties. WALL OUTLET EQUIPMENT UNDER TEST AC LEAKAGE TESTER OR EQUIVALENT INSULATING TABLE WARNING: CHEMICAL CONTENT NOTICE! About lead free solder / 無鉛 RadioFans.CN 收音机爱 好者资料库 RX-V1900/HTR-6290/DSP-AX1900

17、3 RX-V1900/HTR-6290/ DSP-AX1900 CAUTION Danger of explosion if battery is incorrectly replaced. Replace only with the same or equivalent type. WARNING: Lithium batteries 注意 正電池交換爆発起 。 同一型名同等品以外電池絶対交換 。 WARNING: Lithium batteries are dangerous because they can be exploded by improper handling. Observ

18、e the following precautions when handling or replacing lithium batteries. Leave lithium battery replacement to qualified service personnel. Always replace with batteries of the same type. When installing on the PC board by soldering, solder using the connection terminals provided on the battery cell

19、s. Never solder directly to the cells. Perform the soldering as quickly as possible. Never reverse the battery polarities when installing. Do not short the batteries. Do not attempt to recharge these batteries. Do not disassemble the batteries. Never heat batteries or throw them into fire. ADVARSEL!

20、 Lithiumbatteri Eksplosionsfare ved fejlagtig hndtering. Udskiftning m kun ske med batteri af samme fabrikat og type. Levr det brugte batteri tilbage til leverandren. VARNING Explosionsfara vid felaktigt batteribyte. Anvnd samma batterityp eller an ekvivalent typ som rekommenderas av apparattillverk

21、aren. Kassera anvnt batteri enligt fabrikan- tens instruktion. VAROITUS Paristo voi rjht, jos se on virheellisesti asennettu. Vaihda paristo ainoastaan laitevalmistajan suosittelemaan tyyppiin. Hvit kytetty peristo valmistajan ohjeiden mu- kaisesti. RadioFans.CN 收音机爱 好者资料库 RX-V1900/HTR-6290/DSP-AX19

22、00 11 RX-V1900/HTR-6290/ DSP-AX1900 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, E, L models (0.04 % THD, 8 ohms) .130 W + 130 W J model (0.06 % THD, 6 ohms) .130 W + 130 W CENTER U, C, R, T, K, A, B, G, E, L models

23、(0.04 % THD, 8 ohms) .130 W J model (0.06 % THD, 6 ohms) .130 W SURROUND L/R U, C, R, T, K, A, B, G, E, L models (0.04 % THD, 8 ohms) .130 W + 130 W J model (0.06 % THD, 6 ohms) .130 W + 130 W SURROUND BACK L/R U, C, R, T, K, A, B, G, E, L models (0.04 % THD, 8 ohms) .130 W + 130 W J model (0.06 % T

24、HD, 6 ohms) .130 W + 130 W Maximum Power / 実用最大出力 (JEITA, 1 kHz, 10 % THD) FRONT L/R R, T, K, L models (8 ohms) .175 W + 175 W J model (6 ohms) .175 W + 175 W CENTER R, T, K, L models (8 ohms) .175 W J model (6 ohms) .175 W SURROUND L/R R, T, K, L models (8 ohms) .175 W + 175 W J model (6 ohms) .175

25、 W + 175 W SURROUND BACK L/R R, T, K, L models (8 ohms) .175 W + 175 W J model (6 ohms) .175 W + 175 W Dynamic Power Per Channel (IHF) FRONT L/R (8/6/4/2 ohms) U, C, R, T, K, A, L models .160/195/255/335 W Max. Power Per Channel (1 kHz, 0.7 % THD, 4 ohms) B, G, E models FRONT L/R .180 W + 180 W CENT

26、ER .180 W SURROUND L/R .180 W + 180 W SURROUND BACK L/R .180 W + 180 W Dynamic Headroom U, C, R, T, K, A, L models 8 ohms .0.9 dB IEC Power (1 kHz, 0.04 % THD, 8 ohms) B, G, E models FRONT L/R .130 W + 130 W Damping Factor / (1 kHz, 8 ohms) FRONT L/R .150 or more Input Sensitivity/Input Impedance /

27、入力感度入力 (1 kHz, 100 W/8 ohms) 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, SUBWOOFER . 200 mV / 47 k-ohms Maximum Input Signal Level / 最大許容入力 PHONO (MM) (1 kHz, 0.1 % THD) .60 mV or more CD, etc. (1 kHz, 0.5 % THD) .2.4 V or more Output

28、 Level/Output Impedance / 出力電圧出力 REC OUT (SOURCE OUT) . 200 mV / 900 ohms PRE OUT (FRONT L/R, CENTER, SURROUND L/R, SURROUND BACK L/R) . 1.0 V / 1.2 k-ohms SUBWOOFER (20 Hz) . 1.0 V / 1.2 k-ohms U, C, R, T, K, A, B, G, E, L models ZONE 2 OUT . 1.0 V / 1.4 k-ohms ZONE 3 OUT . 1.0 V / 1.4 k-ohms Headp

29、hone Jack Rated Output/Impedance / 出力出力 (1 kHz, 40 mV, 8 ohms) CD, etc. . 150 mV / 100 ohms Frequency Response / 周波数特性 (10 Hz to 100 kHz) CD, etc. to FRONT L/R (Pure direct) .+0/-3 dB RIAA Equalization Deviation / RIAA 偏差 (20 Hz to 20 kHz) PHONO (MM) . 0 0.5 dB Total Harmonic Distortion / 全高調波歪率 (20

30、 Hz to 20 kHz) PHONO (MM) to REC OUT (1 V) .0.02 % or less CD, etc. to FRONT L/R SP OUT (65 W, 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 (5 mV) . 86 dB or more A, B, G, E models (5 mV) . 81 dB or more J model (

31、2.5 mV) . 80 dB or more CD, etc. (Input shorted) to SP OUT 250 mV . 100 dB or more Residual Noise / 残留 (IHF-A network) FRONT L/R SP OUT .150 V or less Channel Separation / (1 kHz/10 kHz) PHONO (Input shorted) . 60 dB or more/55 dB or more CD, etc. (Input 5.1 k-ohms shorted) . 60 dB or more/45 dB or

32、more Tone Control Characteristics / 特性 BASS Boost/Cut .6 dB (50 Hz) Turnover frequency .350 Hz TREBLE Boost/Cut .6 dB (20 kHz) Turnover frequency .3.5 kHz ZONE2, ZONE3 Tone Control Characteristics U, C, R, T, K, A, B, G, E, L models BASS Boost/Cut .10 dB (100 Hz) Turnover frequency .450 Hz TREBLE Bo

33、ost/Cut .10 dB (10 kHz) Turnover frequency .2.0 kHz Filter Characteristics / 特性 FRONT, CENTER, SURROUND, SURROUND BACK small (H.P.F.) .fc=40/60/80/90/100/110/120/160/200 Hz, 12 dB/oct. SUBWOOFER (L.P.F.) .fc=40/60/80/90/100/110/120/160/200 Hz, 24 dB/oct. Video Section / 部 Video Signal Type / 信号方式 Gr

34、ay back U, C, R, K, J models .NTSC T, A, B, G, E, L models .PAL Video conversion .NTSC/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/Pr .0.7 Vp-p / 75 ohms Maxim

35、um Input Level / 最大許容入力 VIDEO CONV. OFF .1.5 Vp-p or more Signal to Noise Ratio / 信号対雑音比 VIDEO CONV. OFF . 60 dB or more Monitor Out Frequency Response / 周波数帯域 (VIDEO CONV. OFF) Component video signal .5 Hz to 100 MHz, 3 dB J model D5-video signal .5 Hz to 100 MHz, 3 dB SPECIFICATIONS / 参考仕様 RX-V1900/HTR-6290/DSP-AX1900 12 RX-V1900/HTR-6290/ DSP-AX1900 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,