Yamaha-RXV1800-avr-sm(1) 维修电路原理图.pdf
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1、SERVICE MANUALIMPORTANT 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, and have
2、 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 owners th
3、at 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 capabilities, or
4、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, inevi
5、tableand 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 haveaccumulated b
6、y 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. CONTENTSTO SERVICE PERSONNEL . 2FRONT PANELS. 34REAR PANELS . 58REMOTE CONTROL
7、PANELS. 9SPECIFICATIONS / 参考仕様 . 1013INTERNAL VIEW . 14DISASSEMBLY PROCEDURES / 分解手順. 1420UPDATING FIRMWARE /書込. 2033SELF-DIAGNOSTIC FUNCTION /(自己診断機能). 3470AMP ADJUSTMENT / 部調整 . 71DISPLAY DATA . 72IC DATA . 7384BLOCK DIAGRAMS . 8587PRINTED CIRCUIT BOARDS. 88115PIN CONNECTION DIAGRAMS. 116118SCHEMA
8、TIC DIAGRAMS. 119137REPLACEMENT PARTS LIST . 139174REMOTE CONTROL. 175178ADVANCED SETUP /設定 . 179181AV RECEIVER/AV AMPLIFIERRX-V1800/HTR-6190/DSP-AX1800RX-V1800/HTR-6190/DSP-AX1800RadioFans.CN 收音机爱 好者资料库RX-V1800/HTR-6190/DSP-AX18002RX-V1800/HTR-6190/DSP-AX1800WALLOUTLETEQUIPMENTUNDER TESTAC LEAKAGET
9、ESTER OREQUIVALENTINSULATINGTABLEWARNING: CHEMICAL CONTENT NOTICE!The solder used in the production of this product contains LEAD. In addition, other electrical/electronic and/or plastic (whereapplicable) components may also contain traces of chemicals found by the California Health and Welfare Agen
10、cy (andpossibly 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, do not inhale s
11、older fumes or exposeeyes to solder/flux vapor!If you come in contact with solder or components located inside the enclosure of this product, wash your hands beforehandling food.1. Critical Components InformationComponents having special characteristics are marked sand must be replaced with parts ha
12、ving specifications equalto those originally installed.2. Leakage Current Measurement (For 120V Models Only)When service has been completed, it is imperative to verifythat all exposed conductive surfaces are properly insulatedfrom supply circuits.Meter impedance should be equivalent to 1500 ohms shu
13、ntedby 0.15F.Leakage current must not exceed 0.5mA.Be 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+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 lea
14、d free solder.Among some types of lead free solder currently available,it is recommended to use one of the following types for therepair work. 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 sold
15、er 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 free solder / 無鉛 TO SERVICE PERSONNELFor U model“CAUTION”“F1, F2: FOR CONTINUED PROTECTION AGAINST RISK OF FIRE, REPLACE ONLY WITH SAME TYPE10A, 125V FUSE.”For C
16、modelCAUTIONF1, F2: REPLACE WITH SAME TYPE 10A, 125V FUSE.ATTENTIONF1, F2: UTILISER UN FUSIBLE DE RECHANGE DE MME TYPE DE 10A, 125V.RadioFans.CN 收音机爱 好者资料库RX-V1800/HTR-6190/DSP-AX180010RX-V1800/HTR-6190/DSP-AX1800 Audio Section / 部Minimum RMS Output Power (Power Amp. Section) /定格出力 (部) (20 Hz to 20
17、kHz)FRONT L/RU, C, R, T, K, A, B, G, E, L models (0.04 % THD, 8 ohms).130 W + 130 WJ model (0.06 % THD, 6 ohms) .130 W + 130 WCENTERU, C, R, T, K, A, B, G, E, L models (0.04 % THD, 8 ohms). 130 WJ model (0.06 % THD, 6 ohms) . 130 WSURROUND L/RU, C, R, T, K, A, B, G, E, L models (0.04 % THD, 8 ohms).
18、130 W + 130 WJ model (0.06 % THD, 6 ohms) .130 W + 130 WSURROUND BACK L/RU, C, R, T, K, A, B, G, E, L models (0.04 % THD, 8 ohms).130 W + 130 WJ model (0.06 % THD, 6 ohms) .130 W + 130 WMaximum Power / 実用最大出力 (JEITA, 1 kHz, 10 % THD)FRONT L/RR, T, K, L models (8 ohms). 175 W + 175 WJ model (6 ohms)
19、. 175 W + 175 WCENTERR, T, K, L models (8 ohms). 175 WJ model (6 ohms) . 175 WSURROUND L/RR, T, K, L models (8 ohms). 175 W + 175 WJ model (6 ohms) . 175 W + 175 WSURROUND BACK L/RR, T, K, L models (8 ohms). 175 W + 175 WJ model (6 ohms) . 175 W + 175 WDynamic Power Per Channel (IHF) U, C, R, T, K,
20、A, L modelsFRONT L/R (8/6/4/2 ohms) . 160/195/255/335 WMax. Power Per Channel (1 kHz, 0.7 % THD, 4 ohms)B, G, E modelsFRONT L/R . 180 W + 180 WCENTER . 180 WSURROUND L/R . 180 W + 180 WSURROUND BACK L/R . 180 W + 180 WDynamic Headroom U, C, R, T, K, A, L models8 ohms . 0.9 dBIEC Power (1 kHz, 0.04 %
21、 THD, 8 ohms) B, G, E modelsFRONT L/R . 130 W + 130 WDamping Factor / FRONT L/R (20 Hz to 20 kHz, SPEAKER-A, 8 ohms) .150 or moreInput Sensitivity/Input Impedance / 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,
22、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 Level/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-ohmsSUBWO
23、OFER (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-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
24、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 (65 W, 8 ohms).0.04 % or lessSignal to Noise Ratio
25、 / 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 mV).80 dB or moreCD, etc. (Input shorted) to SP OUT250 mV .100 dB or moreResidual Noise / 残留 (IHF-A network)FRONT L/R SP OUT . 150 V or lessCha
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