YAMAHA YSP-4000 维修电路原理图.pdf
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1、I CONTENTS TO SERVICE PERSONNEL . 2 FRONT PANELS. 3 REAR PANELS . 4 BOTTOM PANEL . 5 REMOTE CONTROL PANELS. 5 SPECIFICATIONS / 参考仕様. 67 INTERNAL VIEW . 7 SET MENU TABLE / . 8 SERVICE PRECAUTIONS / 時注意事項. 9 DISASSEMBLY PROCEDURES / 分解手順. 919 UPDATING FIRMWARE / 書込. 2031 SELF-DIAGNOSTIC FUNCTION / (自己
2、診断機能). 3253 DISPLAY DATA . 54 IC DATA . 5564 BLOCK DIAGRAM. 65 PRINTED CIRCUIT BOARDS. 6678 PIN CONNECTION DIAGRAMS. 7981 SCHEMATIC DIAGRAMS. 8391 REPLACEMENT PARTS LIST . 93121 REMOTE CONTROL. 122124 ADJUSTING SYSTEM PARAMETERS / 拡張. 125129 101067 SERVICE MANUAL DIGITAL SOUND PROJECTOR 2007 All rig
3、hts reserved. This manual is copyrighted by YAMAHA and may not be copied or redistributed either in print or electronically without permission. P.O.Box 1, Hamamatsu, Japan 07.11 YSP-4000/YSP-40D/ HTY-7040 YSP-4000/YSP-40D/ HTY-7040 IMPORTANT NOTICE This manual has been provided for the use of author
4、ized 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 not been restated. WARNING:Failure to follow appropriate service and
5、 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 service required should be performed by an authorized YAMAHA Retailer
6、 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 establish a principle-agent relationship of any form. The data provided i
7、s 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 and specifications are subject to change without notice or obliga
8、tion 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 grounding yourself to the ground buss in the unit (heavy gauge bl
9、ack 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. 2 YSP-4000/YSP-40D/HTY-7040 YSP-4000/YSP-40D/ HTY-7040 WALL OUTLET EQUIPMENT UNDER TEST AC LEAKAGE TESTER OR EQUIVALENT INSULATING TABLE 1. Criti
10、cal Components Information Components having special characteristics are 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 expo
11、sed conductive surfaces are properly insulated from supply circuits. GMeter impedance should be equivalent to 1500 ohms shunted by 0.15F. GLeakage current must not exceed 0.5mA. GBe sure to test for leakage with the AC plug in both polarities. 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+C
12、u (錫+銅) Sn+Zn+Bi (錫+亜鉛+) 注意: 無鉛融点温度通常鉛入比3040 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
13、(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. About lead free solder /
14、 無鉛 I TO SERVICE PERSONNEL For U model “CAUTION” “F501: FOR CONTINUED PROTECTION AGAINST RISK OF FIRE, REPLACE ONLY WITH SAME TYPE 5A, 125V FUSE.” For C model CAUTION F501: REPLACE WITH SAME TYPE 5A, 125V FUSE. ATTENTION F501: UTILISER UN FUSIBLE DE RECHANGE DE MME TYPE DE 5A, 125V. WARNING: CHEMICA
15、L CONTENT NOTICE! This product contains chemicals known to the State of California 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 WHAT SO EVER! Avoid prolonged, unprotected contact between so
16、lder and 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. 6 YSP-4000/YSP-40D/HTY-7040 YSP-4000/YSP-40D/ HTY-7040 I Amplifier
17、Section / 部 Maximum Power / 実用最大出力 (EIAJ) 4 ohms, 10% THD Woofer 100 Hz . 20 W/ch Tweeter 1 kHz . 2 W/ch Total Maximum Output Power / 総合最大出力 . 120 W Minimum RMS Output Power (Power Amp. Section) / 定格出力 ( 部) 4 ohms, 0.9% THD Woofer 100 Hz . 14 W/ch Tweeter 1 kHz . 1.7 W/ch Input Sensitivity/Impedance
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