Yamaha-MSR-800-W-Service-Manual电路原理图.pdf

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1、SERVICE MANUAL CONTENTS（目次） SPECIFICATIONS（総合仕様）.3 PERFORMANCE GRAPH（特性図）.4 PANEL LAYOUT（）.4 CIRCUIT BOARD LAYOUT（）.5 DIMENSIONS（寸法図）.5 WIRING DIAGRAM（結線図）.6 IC BLOCK DIAGRAM（IC 図）.8 DISASSEMBLY PROCEDURES（分解手順）.9 CIRCUIT BOARDS（基板図）.12 INSPECTIONS（検査）.15 PARTS LIST BLOCK DIAGRAM（） OVERALL CIRCUIT D

2、IAGRAM（回路図） POWERED SUBWOOFER MSR800W PA 011778 200505-115500 HAMAMATSU, JAPAN Copyright (c) Yamaha Corporation. All rights reserved. PDF-K126 05.06 （ECF ： 無塩素系漂白） 使用。 This document is printed on chlorine free (ECF) paper. RadioFans.CN 收音机爱 好者资料库 MSR800W 2 WARNING Components having special character

3、istics are marked and must be replaced with parts having specification equal to those originally installed. 印商品、安全維持重要部品。交換場合、安全必指定部品使用 。 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 proc

4、edures 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 safety procedures when servicing this product may result in personal injury, destruction of

5、expensive components and failure of the product to perform as specified. For these reasons, we advise all Yamaha product owners that all service required should be performed by an authorized Yamaha Retailer or the appointed service representative. IMPORTANT: This presentation or sale of this manual

6、to any individual or firm does not constitute authorization certification, recognition of any applicable technical capabilities, or establish a principal-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 en

7、gineering, and service departments of Yamaha are continually striving to improve Yamaha products. Modifications are, therefore, inevitable and changes in specification are subject to change without notice or obligation to retrofit. Should any discrepancy appear to exist, please contact the distribut

8、ors Service Division. WARNING: Static discharges can destroy expensive components. Discharge any static electricity your body may have accumulated by grounding yourself to the ground bus in the unit (heavy gauge black wires connect to this bus). IMPORTANT:Turn the unit OFF during disassembly and par

9、ts replacement. Recheck all work before you apply power to the unit. WARNING: CHEMICAL CONTENT NOTICE! The solder used in the production of this product contains LEAD. In addition, other electrical/electronic and/or plastic (Where applicable) components may also contain traces of chemicals found by

10、the California Health and Welfare Agency (and possibly 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 REASON WHAT SO EVER! Avoid prolonged, unprotected contact between solder and

11、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. IMPORTANT NOTICE FOR THE UNITED KINGDOM Connecting the Plug and Cord IMPORTA

12、NT.The wires in this main lead are coloured in accordance with the following code: GREEN-AND-YELLOW: EARTH BLUE: NEUTRAL BROWN: LIVE As the colours of the wires in the mains lead of this apparatus may not correspond with the coloured markings identifying the terminals in your plug proceed as follows

13、: The wire which is coloured GREEN-and-YELLOW must be connected to the terminal in the plug which is marked by the letter E or by the safety earth symbol or colored GREEN or GREEN-and-YELLOW. The wire which is coloured BLUE must be connected to the terminal which is marked with the letter N or colou

14、red BLACK. The wire which is coloured BROWN must be connected to the terminal which is marked with the letter L or coloured RED. RadioFans.CN 收音机爱 好者资料库 MSR800W 3 SPECIFICATIONS（総合仕様） General specifications Type Powered Subwoofer Speaker unit.38 cm cone (8 ) Frequency range.40 Hz-120 Hz (10 dB) Maxi

15、mum output level .122 dB (1 m on axis) Dimensions (W x H x D).600 x 521 x 590 mm Weight.45 kg Installation pole diameter.35 mm (1.375”) Accessories.Power cord (AC inlet type, 2.5 m) Owners manual Amp. unit Maximum output power 500 W at 100 Hz, THD=1%, RL=8 800 W at 100 Hz, 20 ms nonclip, RL=8 Input

16、sensitivity.+4 dB* Input impedance.30 k Controls LEVEL control CUTOFF FREQ. control.80 Hz-100 Hz (variable) PHASE switch.NORMAL/REVERSE POWER switch.ON/OFF Connectors (all balanced) INPUT A/B.XLR-3-31 THRU A/B .XLR-3-32 OUTPUT HIGH PASS A/B.XLR-3-32 (100 Hz, 18 dB/oct) Indicators POWER.Green LED PEA

17、K/LIMIT .Red LED Power requirement U.120 V, 60 Hz H, B, O.230 V, 50 Hz A.240 V, 50 Hz Power consumption.200 W *0 dB=0.775 V 一般仕様 形式 .38cm （8） 再生周波数帯域.40Hz120Hz（10dB） 最大出力音圧.122dB （軸上1m） 最大外形寸法 （WHD）.600521590mm 重量.45kg 適合径.35mm 付属品.電源 （AC 型、2.5m） 取扱説明書 定格最大出力 500W at 100Hz、 THD=1%、 RL=8 800W at 100H

18、z、 20ms nonclip、 RL=8 入力感度.+4dB* 入力.30k LEVEL CUTOFF FREQ. .80Hz100Hz （可変） PHASE .NORMAL/REVERSE POWER .ON/OFF （型） INPUT A/B.XLR-3-31 THRU A/B.XLR-3-32 OUTPUT HIGH PASS A/B.XLR-3-32 (100Hz、 18dB/oct) POWER.緑色発光LED PEAK/LIMIT.赤色発光LED 電源.AC100V、 50/60Hz 消費電力.200W *0dB=0.775V MSR800W 4 PERFORMANCE GRAP

19、H（特性図） PANEL LAYOUT（） Rear Panel（） 1 PHASE switch 2 POWER switch 3 AC IN connector 4 INPUT/THRU A/B connectors 5 OUTPUT HIGH PASS A/B connectors 6 PEAK/LIMIT indicator 7 POWER indicator 8 LEVEL control 9 CUTOFF FREQ. control 1 PHASE 2 POWER 3 AC IN 端子 4 INPUT/THRU A/B 端子 5 OUTPUT HIGH PASS A/B 端子 6

20、PEAK/LIMIT 7 POWER 8 LEVEL 9 CUTOFF FREQ. 1k10020 FREQUENCY (Hz) RESPONSE (dB) 40 30 20 10 0 +10 100Hz 90Hz 80Hz Cutoff Frequency 1 2 3 98 7 6 54 MSR800W 5 CIRCUIT BOARD LAYOUT（） DIMENSIONS（寸法図） AMP MIX INPUT SW AC INLET 250.0 35.0 600.0 521.0 590.0 Unit: mm （単位） MSR800W 6 WIRING DIAGRAM（結線図） VERSIO

21、N: U, H, B, A, O 4321 AMP MIX INPUT SW AC INLET WOOFER Connector 4P (2P) CN204-2P CN202-6P CN201-6P CN105-6P CN104-4P CN106-2P BB CN103-4P CN102-3P (2P) CN101-3P (2P) B B CN203-4P AMP MIX INPUT CN203 CN204 CN106 CN105 CN201 CN202 CN101 NL CN102 Connector Assembly 4P L=100 (束線) Connector Assembly 6P

22、L=100 (束線) Connector Assembly 1P GND (束線) Connector Assembly 6P L=80 (束線) Connector Assembly 2P L=250 (束線) Connector Assembly 4P L=800 (束線) AC INLET SW MSR800W 7 VERSION: J AMP MIX INPUT SW AC INLET HARM WOOFER 4321 Connector 4P (2P) CN204-2P CN202-6P CN201-6P CN105-6P CN104-4P CN106-2P BB CN103-4P

23、CN102-3P (2P) CN101-3P (2P) CN302-3P (2P) CN301-3P (2P) B B CN203-4P AMP MIX INPUT CN203 CN204 CN302 CN301 CN201 CN105 CN106 CN202 CN102CN101 NL Connector Assembly 4P L=100 (束線) Connector Assembly 3P L=150 (束線) Connector Assembly 1P GND (束線) Connector Assembly 3P L=180 (束線) Connector Assembly 6P L=8

24、0 (束線) Connector Assembly 2P L=250 (束線) Connector Assembly 4P L=800 (束線) SW AC INLET HARM MSR800W 8 IC BLOCK DIAGRAM（IC 図） TL072CP (AAX67450) INPUT: IC103 Dual Operational Amplifier NJM2068L-D (AAX64880) MIX: IC106, IC107, IC108, IC109 INPUT: IC102, IC104 NJM4580L (AAX67460) INPUT: IC101, IC105 Dual

25、 Operational Amplifier 1 2 3 4V 8 7 6 5 Output A+V Non-Inverting Input A -DC Voltage Supply +DC Voltage Supply Output B Inverting Input B Non-Inverting Input B Inverting Input A+ + 1 A 2345678 OUT A -IN A +IN A +IN B -IN B OUT B -V+V - + B - + MSR800W 9 分解手順 1.（所要時間：10 分） 1-1.1 6 本外、 外 。 （図1） 1-2.38

26、本外、 外。 （図1） 1-3.SP束線 （黒/赤） 取外 。（写 真1） 2.Assy （所要時間：5分） 2-1.315本外、Assy 外。（図2） DISASSEMBLY PROCEDURES 1.Woofer (Time required: about 10 minutes) 1-1.Remove the six (6) screws marked 1. The speaker grille can be removed. (Fig.1) 1-2.Remove the eight (8) screws marked 3. The woofer can then be removed.

27、(Fig.1) 1-3.Remove the SP connector assembly (red/black) installed to the woofer. (Photo.1) 2.Amplifier Assembly (Time reguired: about 5 minutes) 2-1.Remove the fifteen (15) screws marked 3. The amplifier assembly can be removed. (Fig.2) 3 3 1 1Speaker grille () 1: Bind Head Wood Screw 4x14 MFZN2BL

28、(AAX67400) 木 3: Bind Head Screw 5x25 MFZN2BL (AAX67390)小 Fig.1（図 1） SP Connector Assembly (Black) （SP束線黒） Woofer （） Photo.1（写真 1） SP Connector Assembly (Red) （SP束線赤） SP Connector Assembly (Red) （SP束線赤） 3 3 A6 A6 3A4 3 3 Rotation knob () Power switch knob （) 3: Bind Head Screw 5x25 MFZN2BL (AAX67390)

29、小 A4: Bind Head Screw 3x10 MFZN2BL (AAX64750)小 A6: Bonding Tapping Screw-B 3x8 MFZN2BL (AAX64840) Fig.2（図 2） MSR800W 10 3.電源 （所要時間：10分） 3-1.Assy 外。 （2項参照） 3-2.電源 六角 外、電源 外 。 （図3、 図4） 4.AMP （所要時間：15分） 4-1.Assy 外。 （2項参照） 4-2. （CN201、 CN202、 CN203、 CN204） 接 続外 。 （図3） 4-3.A5 13本外 。 （図3） 4-4.A1 4本外、AMP 外

30、。（図3） 5.INPUT （所要時間：10分） 5-1.Assy 外。 （2項参照） 5-2.A6 12 本外、 INPUT 外。 （図2） 5-3. （CN103） 接続外 。 （図3） 3.Power Transformer (Time required: about 10 minutes) 3-1.Remove the amplifier assembly. (See procedure 2.) 3-2.Remove the hexagonal bolt of the power transformer. The power transformer can then be remove

31、d. (Fig.3 & Fig.4) 4.AMP Circuit Board (Time required: about 15 minutes) 4-1.Remove the amplifier assembly. (See procedure 2.) 4-2.Disconnect the connectors (CN201, CN202, CN203, CN204). (Fig.3) 4-3.Remove the thirteen (13) screws marked A5. (Fig.3) 4-4.Remove the four (4) screws marked A1 on the AM

32、P circuit board. The AMP circuit board can then be removed. (Fig.3) 5.INPUT Circuit Board (Time required: about 10 minutes) 5-1.Remove the amplifier assembly. (See procedure 2.) 5-2.Remove the twelve (12) screws marked A6. The INPUT circuit board can then be removed. (Fig.2) 5-3.Disconnect the conne

33、ctors (CN103). (Fig.3) A31 A1 A5 A1 A1 Bracket AC jack support (/AC） A5 Power transformer (電源） CN301 CN302 CN203 CN204 CN106 CN105 CN201 CN202 CN102 NL CN101 Hexagonal bolt (六角） CN104 CN103 (J model) MIX HARM AMP SW INPUT AC INLET 1: Bind Head Wood Screw 4x14 MFZN2BL (AAX67400) 木 A1: Bind Head Screw

34、 3x6 MFZN2BL (AAX64740)小 A3: Bind Head Tapping Screw-B 4x8 MFZN2BL (AAX64730) A5: Bind Head Sems Screw 3x12 MFZN2BL (AAX64760)小 Fig.3（図 3） Power Transformer Installation （電源取付詳細） Fig.4（図 4） Rubber pad (） Power transformer (電源） Rubber pad (） Flat washer (平座金） Spring washer (座金） Transformer holder (）

35、Hexagonal bolt (六角） MSR800W 11 6.MIX （所要時間：10分） 6-1. 2個外。 （図2） 6-2.Assy 外 。 （2項参照） 6-3.A14本外、MIX 外 。（図3） 6-4. （CN105、CN106）接続外 。（図3） 7.SW （所要時間：10分） 7-1. 外。 （図2） 7-2.Assy 外 。 （2項参照） 7-3. （CN101、CN102）接続外 。（図3） 7-4.A12本外、 SW 外 。 （図3、 写真2） 8.AC INLET （所要時間：10分） 8-1.Assy 外 。 （2項参照） 8-2. （CN102） 接続外。 （図

36、3） 8-3.A42本 A3 1本外、 AC INLET /AC 外 。 （図2、 図3、 写真2） 9.HARM （所要時間：10分） （J仕向） 9-1.Assy 外 。 （2項参照） 9-2. （CN301、CN302）接続外 。（図3） 9-3.14本外、 HARM 外。 （図3、 写真3） 6.MIX Circuit Board (Time required: about 10 minutes) 6-1.Remove the two (2) rotation knobs from the rear panel side. (Fig.2) 6-2.Remove the amplifie

37、r assembly. (See produre 2.) 6-3.Remove the four (4) screws marked A1 on the MIX circuit board. The MIX circuit board can then be removed. (Fig.3) 6-4.Disconnect the connectors (CN105, CN106). (Fig.3) 7.SW Circuit Board (Time required: about 10 minutes) 7-1.Remove the power switch knob. (Fig.2) 7-2.

38、Remove the amplifier assembly. (See procedure 2.) 7-3.Disconnect the connectors (CN101, CN102). (Fig.3) 7-4.Remove the two (2) screws marked A1 on the SW circuit board. The SW circuit board can then be removed. (Fig.3 & Photo.2) 8.AC INLET Circuit Board (Time required: about 10 minutes) 8-1.Remove t

39、he amplifier assembly. (See procedure 2.) 8-2.Disconnect the connectors(CN102). (Fig.3) 8-3.Remove two (2) screws marked A4 and the screw marked A3. The AC INLET circuit board and the Bracket AC Jack Support can then be removed. (Fig.2, Fig.3 & Photo.2) 9.HARM Circuit Board (Time required: about 10

40、minutes) (J model only) 9-1.Remove the amplifier assembly. (See procedure 2.) 9-2.Disconnect the connectors (CN301, CN302). (Fig.3) 9-3.Remove the four (4) screws marked 1. The HARM circuit board can then be removed. (Fig.3 & Photo.3) SW Circuit Board （SW） A3 A1A1 Photo.2（写真 2） 1 1 HARM Circuit Boar

41、d (HARM) Photo.3（写真 3） 1 MSR800W 12 CIRCUIT BOARDS（基板図） AMP Circuit Board to WOOFER IDLING ADJ.to TRANSFORMER IDLING ADJ. to MIX-CN105 to MIX-CN106 Component side（部品側） MSR800W 13 INPUT Circuit Board to MIX-CN104 A B OUTPUT HIGH PASSINPUT/THRU Component side（部品側） MSR800W 14 MIX Circuit Board SW Circu

42、it Board AC INLET Circuit BoardHARM Circuit Board (J model) to INPUT-CN103PHASE (NORM/REV) CUTOFF FREQ.LEVEL to AMP-CN201 to AMP-CN204 PEAK/LIMIT LED POWER LED Component side（部品側） to TRANSFORMER J model: to HARM-CN302 Other models: to AC IN POWER Component side（部品側） AC IN Component side（部品側） to AC I

43、N to SW -CN101 Component side（部品側） MSR800W 15 INSPECTIONS 1.Measuring conditions 1-1.Measuring voltage:AC 120 V, 60 Hz (U) AC 230 V, 50 Hz (H, B) AC 240 V, 50 Hz (A) AC 220 V, 50 Hz (O) 1-2.Load resistance:8 / Power capacity 1000 W 1-3.LEVEL control setting:Min. 1-4.CUTOFF FREQ. control setting:Max. (100 Hz) 1-5.Room temperature:244 2.I