Yamaha-DSPAX3800-avr-sm 维修电路原理图.pdf
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1、SERVICE MANUAL101064IMPORTANT NOTICEThis 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 alreadyknown and understood by the users, an
2、d have therefore not been restated.WARNING:Failure to follow appropriate service and safety procedures when servicing this product may result in personalinjury, destruction of expensive components, and failure of the product to perform as specified. For these reasons,we advise all YAMAHA product own
3、ers that any service required should be performed by an authorizedYAMAHA Retailer or the appointed service representative.IMPORTANT:The presentation or sale of this manual to any individual or firm does not constitute authorization, certification orrecognition of any applicable technical capabilitie
4、s, 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, andservice departments of YAMAHA are continually striving to improve YAMAHA products. Modifications are, therefore,
5、 inevitableand specifications are subject to change without notice or obligation to retrofit. Should any discrepancy appear to exist, pleasecontact the distributors Service Division.WARNING:Static discharges can destroy expensive components. Discharge any static electricity your body may haveaccumul
6、ated 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.I CONTENTSTO SERVICE PERSONNEL . 2FRONT PANELS. 3REAR PANELS . 46REMOTE CO
7、NTROL PANELS. 7SPECIFICATIONS / 参考仕様 . 811INTERNAL VIEW . 12DISASSEMBLY PROCEDURES / 分解手順. 1218UPDATING FIRMWARE /書込. 1831SELF-DIAGNOSTIC FUNCTION /(自己診断機能). 3268AMP ADJUSTMENT / 部調整 . 69DISPLAY DATA . 70IC DATA . 7186BLOCK DIAGRAMS . 8790PIN CONNECTION DIAGRAMS. 9193PRINTED CIRCUIT BOARDS. 94122SCH
8、EMATIC DIAGRAMS. 123143REPLACEMENT PARTS LIST . 145182REMOTE CONTROL. 183186ADVANCED SETUP /設定 . 187189AV RECEIVER/AV AMPLIFIERP.O.Box 1, Hamamatsu, Japan 2007 All rights reserved.This manual is copyrighted by YAMAHA and may not be copied orredistributed either in print or electronically without per
9、mission. 07.09RX-V3800/DSP-AX3800RX-V3800/DSP-AX3800RadioFans.CN 收音机爱 好者资料库RX-V3800/DSP-AX38002RX-V3800/DSP-AX3800WALLOUTLETEQUIPMENTUNDER TESTAC LEAKAGETESTER OREQUIVALENTINSULATINGTABLEWARNING: CHEMICAL CONTENT NOTICE!The solder used in the production of this product contains LEAD. In addition, ot
10、her electrical/electronic and/or plastic (whereapplicable) components may also contain traces of chemicals found by the California Health and Welfare Agency (andpossibly other entities) to cause cancer and/or birth defects or other reproductive harm.DO NOT PLACE SOLDER, ELECTRICAL/ELECTRONIC OR PLAS
11、TIC COMPONENTS IN YOUR MOUTH FOR ANY REA-SON WHAT SO EVER!Avoid prolonged, unprotected contact between solder and your skin! When soldering, do not inhale solder fumes or exposeeyes to solder/flux vapor!If you come in contact with solder or components located inside the enclosure of this product, wa
12、sh your hands beforehandling food.1. Critical Components InformationComponents having special characteristics are marked sand must be replaced with parts having specifications equalto those originally installed.2. Leakage Current Measurement (For 120V Models Only)When service has been completed, it
13、is imperative to verifythat all exposed conductive surfaces are properly insulatedfrom supply circuits.GMeter impedance should be equivalent to 1500 ohms shuntedby 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
14、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3040程度高、合使用。All of the P.C.B.s installed in this unit and solder joints aresoldered 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 therepair work
15、. Sn + Ag + Cu (tin + silver + copper) Sn + Cu (tin + copper) Sn + Zn + Bi (tin + zinc + bismuth)Caution:As the melting point temperature of the lead free solder isabout 30C to 40C (50F to 70F) higher than that of the leadsolder, be sure to use a soldering iron suitable to each solder.About lead fre
16、e solder / 無鉛I TO SERVICE PERSONNELFor U model“CAUTION”“F1, F2: FOR CONTINUED PROTECTION AGAINST RISK OF FIRE, REPLACE ONLY WITH SAME TYPE10A, 125V FUSE.”For C modelCAUTIONF1, F2: REPLACE WITH SAME TYPE 10A, 125V FUSE.ATTENTIONF1, F2: UTILISER UN FUSIBLE DE RECHANGE DE MME TYPE DE 10A, 125V.RadioFan
17、s.CN 收音机爱 好者资料库RX-V3800/DSP-AX38008RX-V3800/DSP-AX3800I Audio Section / 部Minimum RMS Output Power (Power Amp. Section) /定格出力 (部) (20 Hz to 20 kHz)FRONT L/RU, C, R, T, K, A, B, G, E, L models (0.04 % THD, 8 ohms).140 W + 140 WJ model (0.06 % THD, 6 ohms) .140 W + 140 WCENTERU, C, R, T, K, A, B, G, E,
18、 L models (0.04 % THD, 8 ohms). 140 WJ model (0.06 % THD, 6 ohms) . 140 WSURROUND L/RU, C, R, T, K, A, B, G, E, L models (0.04 % THD, 8 ohms).140 W + 140 WJ model (0.06 % THD, 6 ohms) .140 W + 140 WSURROUND BACK L/RU, C, R, T, K, A, B, G, E, L models (0.04 % THD, 8 ohms).140 W + 140 WJ model (0.06 %
19、 THD, 6 ohms) .140 W + 140 WMaximum Power / 実用最大出力 (EIAJ, 1 kHz, 10 % THD)FRONT L/RR, T, K, L models (8 ohms). 185 W + 185 WJ model (6 ohms) . 185 W + 185 WCENTERR, T, K, L models (8 ohms). 185 WJ model (6 ohms) . 185 WSURROUND L/RR, T, K, L models (8 ohms). 185 W + 185 WJ model (6 ohms) . 185 W + 1
20、85 WSURROUND BACK L/RR, T, K, L models (8 ohms). 185 W + 185 WJ model (6 ohms) . 185 W + 185 WDynamic Power Per Channel (IHF) U, C, R, T, K, A, L modelsFRONT L/R (8/6/4/2 ohms) . 170/205/265/345 WMax. Power Per Channel (1 kHz, 0.7 % THD, 4 ohms)B, G, E modelsFRONT L/R . 200 W + 200 WCENTER . 200 WSU
21、RROUND L/R . 200 W + 200 WSURROUND BACK L/R . 200 W + 200 WDynamic Headroom U, C, R, T, K, A, L models8 ohms . 0.84 dBIEC Power (1 kHz, 0.04 % THD, 8 ohms) B, G, E modelsFRONT L/R . 145 W + 145 WDamping Factor / FRONT L/R (20 Hz to 20 kHz, SPEAKER-A, 8 ohms) .150 or moreInput Sensitivity/Input Imped
22、ance / 入力感度/入力(1 kHz, 100 W/8 ohms)PHONO (MM) . 3.5 mV / 47 k-ohmsCD, etc. . 200 mV / 47 k-ohmsMULTI CH INPUTFRONT L/R, CENTER, SURROUND L/R, SUBWOOFER. 200 mV / 47 k-ohmsMaximum Input Signal Level / 最大許容入力PHONO (MM) (1 kHz, 0.1 % THD) .60 mV or moreCD, etc. (1 kHz, 0.5 % THD) .2.4 V or moreOutput L
23、evel/Output Impedance / 出力電圧/出力REC OUT . 200 mV / 900 ohmsPRE OUT (FRONT L/R, CENTER, SURROUND L/R,SURROUND BACK L/R). 1.0 V / 1.2 k-ohmsSUBWOOFER (20 Hz) . 2.0 V / 1.2 k-ohmsZONE2 OUT U, C, R, T, K, A, B, G, E, L models. 1.0 V / 1.4 k-ohmsZONE3 OUT U, C, R, T, K, A, B, G, E, L models. 1.0 V / 1.4 k
24、-ohmsHeadphone Jack Rated Output/Impedance / 出力/出力CD, etc. (1 kHz, 40 mV, 8 ohms) . 150 mV / 100 ohmsFrequency Response / 周波数特性 (10 Hz to 100 kHz)CD, etc. to FRONT L/R (Pure direct) . +0/-3.0 dBRIAA Equalization Deviation / RIAA偏差 (20 Hz to 20 kHz)PHONO (MM) . 0 0.5 dBTotal Harmonic Distortion / 全高調
25、波歪率 (20 Hz to 20 kHz)PHONO (MM) to REC OUT (1 V).0.02 % or lessCD, etc. to FRONT L/R SP OUT (70 W, 8 ohms).0.04 % or lessSignal to Noise Ratio / 信号対雑音比 (IHF-A network)PHONO (MM) (Input shorted) to SP OUTU, C, R, T, K, L models (5 mV).86 dB or moreA, B, G, E models (5 mV) .81 dB or moreJ model (2.5 m
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