Yamaha-NSB-380-Service-Manual电路原理图.pdf

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1、SR-300/NS-BR300/ NS-P705/NS-B380 SR-300 1 0 11 6 1 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,

2、 are already 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

3、ed. For these 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

4、cation or recognition 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 str

5、iving to improve 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 c

6、omponents. 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. C

7、ONTENTS TO SERVICE PERSONNEL .2 SYSTEM COMPOSITION / 構成 .3 FRONT PANELS .45 REAR PANELS .68 REMOTE CONTROL PANELS .9 SPECIFICATIONS / 参考仕様 .1013 INTERNAL VIEW .14 SERVICE PRECAUTIONS / 時注意事項 .14 DISASSEMBLY PROCEDURES / 分解手順 .1519 UPDATING FIRMWARE / .2026 WRITING SYSTEM MODEL NAME AND DESTINATION /

8、 名仕向先書込 .2730 SELF-DIAGNOSTIC FUNCTION / （自己診断機能） .3151 DISPLAY DATA .52 IC DATA .5365 PIN CONNECTION DIAGRAMS .6667 BLOCK DIAGRAM .6869 PRINTED CIRCUIT BOARDS .7078 SCHEMATIC DIAGRAMS .7985 REPLACEMENT PARTS LIST .87100 REMOTE CONTROL . 101102 09.11 P.O.Box 1, Hamamatsu, Japan SPEAKERS NS-BR300/NS-

9、P705/NS-B380 The YHT-S300 consists of the SR-300 and NS-B380. The YHT-S350 consists of the SR-300 and NS-P705. The YHT-S400 consists of the SR-300 and NS-BR300. The YHT-S1400 consists of the SR-300, BD-S1065 and NS-B380. This service manual is for the SR-300/NS-BR300/NS-P705/NS-B380. For service man

10、ual of the BD-S1065, please refer to the following publication number: BD-S1900/BD-S1065: 101151 Copyright 2009 All rights reserved. This manual is copyrighted by YAMAHA and may not be copied or redistributed either in print or electronically without permission. SUBWOOFER INTEGRATED RECEIVER HOME TH

11、EATER PACKAGEYHT-S300/YHT-S350/YHT-S400/YHT-S1400 2 SR-300/NS-BR300/NS-P705/NS-B380 SR-300/NS-BR300/ NS-P705/NS-B380 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 CO

12、MPONENTS 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 solder/flux vapor! If you come in contact with solder or components located inside the enclosure of this product, wash you

13、r hands before handling food. 1. Critical Components Information Components having special characteristics are marked 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 i

14、s 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. 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 30 40程度高、 合 使用。 All of

15、 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 (tin + silver + copper) Sn + Cu (tin + copper) Sn + Zn + Bi (

16、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 Leakage current must not exceed 0.5mA. Be sure to test for leaka

17、ge with the AC plug in both polarities. WALL OUTLET EQUIPMENT UNDER TEST AC LEAKAGE TESTER OR EQUIVALENT INSULATING TABLE WARNING: CHEMICAL CONTENT NOTICE! About lead free solder / 無鉛 For U model “CAUTION” “F701: FOR CONTINUED PROTECTION AGAINST RISK OF FIRE, REPLACE ONLY WITH SAME TYPE 6A, 125V FUS

18、E.” For C model CAUTION F701: REPLACE WITH SAME TYPE 6A, 125V FUSE. ATTENTION F701: UTILISER UN FUSIBLE DE RECHANGE DE MME TYPE DE 6A, 125V. 3 SR-300/NS-BR300/NS-P705/NS-B380 SR-300/NS-BR300/ NS-P705/NS-B380 SYSTEM COMPOSITION / 構成 The YHT-S300 consists of the SR-300 and NS-B380. The YHT-S350 consis

19、ts of the SR-300 and NS-P705. The YHT-S400 consists of the SR-300 and NS-BR300. The YHT-S1400 consists of the SR-300, BD-S1065 and NS-B380. This service manual is for the SR-300/NS-BR300/NS-P705/NS-B380. For service manual of the BD-S1065, please refer to the following publication number: BD-S1900/B

20、D-S1065: 101151 YHT-S300 YHT-S350 YHT-S400 YHT-S1400 SR-300 BD-S1065 NS-BR300 SR-300 SR-300 NS-P705 (L) NS-B380 NS-B380 NS-P705 (R) NS-BR300 SR-300 4 SR-300/NS-BR300/NS-P705/NS-B380 SR-300/NS-BR300/ NS-P705/NS-B380 SR-300 NS-BR300 U, C, T, A, G, F, L models U, C, T, A, G, F, L, J models J model FRON

21、T PANELS 5 SR-300/NS-BR300/NS-P705/NS-B380 SR-300/NS-BR300/ NS-P705/NS-B380 NS-P705 NS-B380 J model G, F, L models LeftRight 6 SR-300/NS-BR300/NS-P705/NS-B380 SR-300/NS-BR300/ NS-P705/NS-B380 REAR PANELS SR-300 U, C models T, A, G, F, L models T model A model G, F modelsL model 7 SR-300/NS-BR300/NS-

22、P705/NS-B380 SR-300/NS-BR300/ NS-P705/NS-B380 J model NS-BR300 U, C, T, A, G, F, L, J models 8 SR-300/NS-BR300/NS-P705/NS-B380 SR-300/NS-BR300/ NS-P705/NS-B380 NS-P705 J model LeftRight NS-B380 G, F, L models 9 SR-300/NS-BR300/NS-P705/NS-B380 SR-300/NS-BR300/ NS-P705/NS-B380 REMOTE CONTROL PANELS FS

23、R30 (U, C, T, A, G, F, L models) FSR31 (J model) 10 SR-300/NS-BR300/NS-P705/NS-B380 SR-300/NS-BR300/ NS-P705/NS-B380 SPECIFICATIONS / 参考仕様 Audio Section / 部 Minimum RMS Output Power / 定格出力 (1 % THD) FRONT L/R (1 kHz, 6 ohms) .45 W + 45 W FRONT CENTER (1 kHz, 6 ohms) .45 W SUBWOOFER (100 Hz, 3 ohms)

24、.90 W Maximum Power / 実用最大出力 (10 % THD) FRONT L/R (1 kHz, 6 ohms) .50 W + 50 W FRONT CENTER (1 kHz, 6 ohms) .50 W SUBWOOFER (100 Hz, 3 ohms) .100 W Input Sensitivity/Input Impedance / 入力感度入力 Analog . 450 mV / 17 k-ohms Maximum Input Signal Level / 最大許容入力 (1 kHz, DSP=THRU) Analog .2.2 V or less Frequ

25、ency Response / 周波数特性 (20 Hz to 20 kHz) FRONT L/R (Analog/Digital input) .-0.5 1.0 dB Total Harmonic Distortion / 全高調波歪率 (1 kHz, 20 kHz LPF, MAIN SP OUT, 3.8 V/6 ohms) Analog input .0.06 % or less Digital input .0.05 % or less Signal to Noise Ratio / 信号対雑音比 (IHF-A network, MAIN SP OUT, 16.6 V/6 ohms

26、) Analog input . 82 dB or more Digital input . 98 dB or more Residual Noise / 残留 (IHF-A network) MAIN SP OUT L/R .138 V or less FM Section / FM 部 Tuning Range / 受信周波数範囲 U, C models .87.5 to 107.9 MHz T, A, G, F, L models .87.50 to 108.00 MHz J model .76.0 to 90.0 MHz Frequency Step / 周波数 U, C models

27、 .200 kHz T, A, G, F, L models .50 kHz J model .100 kHz Antenna Input / 入力 . 75 ohms unbalanced Speaker Section / 部 Type / 型式 . Bass reflex speaker system Non-magnetic shielding type Driver / Woofer .13 cm (5-1/8) cone type Frequency Response / 再生周波数帯域 .35 Hz to 150 Hz Impedance / .3 ohms General /

28、総合 Power Supply / 電源電圧 U, C models .AC 120 V, 60 Hz T, A, G, F, L models . AC 220240 V, 50/60 Hz J model .AC 100 V, 50/60 Hz Power Consumption / 消費電力 .35 W Standby Power Consumption / 待機時消費電力 HDMI control: OFF U, C models .Less than 0.4 W T, A, G, F, L models .Less than 0.5 W J model .Less than 0.3

29、W HDMI control: ON U, C, J models .Less than 3 W T, A, G, F, L models .Less than 3.5 W Dimensions (W x H x D) / 寸法（幅 高 奥行） .435 x 151 x 361 mm (17-1/8 x 5-7/8 x 14-1/4) Weight / 質量 .8.6 kg (19 lbs.) Finish / 仕上 Black color .U, C, T, A, G, F, L, J models Accessories / 付属品 Remote control .x 1 Batterie

30、s (R03, AAA, UM-4) .x 2 Indoor FM antenna (1.4 m) .x 1 Optical cable (2 m) .x 1 HDMI cable (1 m) (for YHT-S1400) .x 1 Video pin cable (1.5 m) (for YHT-S1400) .x 1 Audio pin cable (1.5 m) (for YHT-S1400) .x 1 NS-BR300 (YHT-S400, YHT-S1400) Type / 型式 .Acoustic suspension speaker system Non-magnetic sh

31、ielding type Driver / Full-range .4 x 10 cm (1-5/8 x 3-7/8) cone type x 3 Frequency Response / 再生周波数帯域 .150 Hz to 20 kHz Impedance / .6 ohms Dimensions (W x H x D) / 寸法（幅 高 奥行） This unit / 本体 .800 x 50 x 70 mm (17-1/8 x 5-7/8 x 14-1/4) Stand / .45 x 70 x 88 mm (17-1/8 x 5-7/8 x 14-1/4) Weight / 質量 .

32、1.5 kg (3.3 lbs.) Finish / 仕上 Black color .U, C, T, A, G, F, L, J models Accessories / 付属品 Speaker stand .x 2 Nonskid pad (10 x 10 x 1.5) .x 4 Screw (for speaker stand) .x 2 Speaker cable (3 m) .x 1 11 SR-300/NS-BR300/NS-P705/NS-B380 SR-300/NS-BR300/ NS-P705/NS-B380 U .U.S.A. model C .Canadian model

33、 T.Chinese model A .Australian model G .European model F .Russian model L.Singapore model J .Japanese model NS-P705 (YHT-S350) Type / 型式 .2-way acoustic suspension speaker system Non-magnetic shielding type Driver / Woofer .5.5 cm (2-1/8) cone type x 2 Tweeter .2.5 cm (1) balanced dome type x 1 Freq

34、uency Response / 再生周波数帯域 .150 Hz to 20 kHz Impedance / .6 ohms Dimensions (W x H x D) / 寸法（幅 高 奥行） This unit / 本体 .95 x 190 x 95 mm (3-3/4 x 7-1/2 x 3-3/4) Stand / . 78 x 51 x 97 mm (3-1/8 x 2 x 3-7/8) Weight / 質量 .0.96 kg (2.12 lbs.) Finish / 仕上 Black color .J model Accessories / 付属品 Speaker stand .x 2 Screw (for speaker stand) .