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Yamaha MSP3 Service Manual

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3 7 63 1515 0
TE
L 13942296513
このサービスマニュアルはエコパルプ
(ECF:無塩素系漂白パルプ)を使用しています。
www
このサービスマニュアルは大豆油
インクで印刷しています。
This document is printed on chlorine free (ECF) paper with soy ink.
.
PA
011605
20010915-18000
http://www.xiaoyu163.com
CONTENTS
SPECIFICATIONS
PANEL LAYOUT
BLOCK DIAGRAM
CIRCUIT BOARD LAYOUT
WIRING
DISASSEMBLY PROCEDURE
IC BLOCK DIAGRAM
CIRCUIT BOARDS
INSPECTION
OVERALL CIRCUIT DIAGRAM
x
ao
u163
PARTS LIST
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http://www.xiaoyu163.com
2 9
8
SERVICE MANUAL
Q Q
3
6 7
1 3
1 5
(目次)
(総合仕様)
................................................... 3
(パネルレイアウト)
(ブロックダイアグラム)
(ユニットレイアウト)
(結線図)
..................................................................... 6
(分解手順)
(ICブロック図)
(シート基板図)
(検査)
............................................................... 13
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2 8
0 5
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2 9
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2 8
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m
(総回路図)
HAMAMATSU, JAPAN
1.386K-344
Printed in Japan 2001.10
MSP3
9 9
9 9
1

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  • Page 1 MSP3 3 7 63 1515 0 SERVICE MANUAL L 13942296513 CONTENTS (目次) (総合仕様) SPECIFICATIONS ........... 3 (パネルレイアウト) PANEL LAYOUT ........4 BLOCK DIAGRAM (ブロックダイアグラム) ......5 CIRCUIT BOARD LAYOUT (ユニットレイアウト) ....6 (結線図) WIRING ..............6 DISASSEMBLY PROCEDURE (分解手順)...
  • Page 2 IMPOR TANT 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 specifically Yamaha Products, are already known and under- stood by the users, and have therefore not been restated.
  • Page 3: Specifications

    MSP3 3 7 63 1515 0 (総合仕様) SPECIFICATIONS General specifications Amp.unit Type........2-way Bass Reflex S/N: 95dB (IEC-A weighting) Powered Speaker Maximum Output Power..20W Crossover Frequency.... 4 kHz Input Sensitivity/Impedance Frequency Range....65 Hz–22 kHz LINE 1: –10 dB/10 kΩ (RCA phono, Unbalanced) Maximum Output Level..
  • Page 4 MSP3 3 7 63 1515 0 (パネル レイアウト) PANEL LAYOUT Front Panel (フロントパネル) q LOW control w HIGH control e Power indicator r LINE 1 level control t LINE 2 level control q LOW コントロール w HIGH コントロール e パワーインジケーター...
  • Page 5 MSP3 3 7 63 1515 0 (ブロックダイアグラム) BLOCK DIAGRAM LINE 1 INPUT LINE 1 TONE CONTROL P. AMP INPUT LINE 2 SPEAKER LINE 2 HIGH PARALLEL INPUT LINE 1,2 Phone Jack (寸法図) DIMENSIONS L 13942296513 HIGH LINE 2-M5 u163 Units: mm (単位)...
  • Page 6 MSP3 3 7 63 1515 0 (ユニットレイアウト) CIRCUIT BOARD LAYOUT MAIN MONITOR SPEAKER MODEL MSP3 100V 20W 50/60Hz YAMAHA CORPORATION MAIN MADE IN CHINA SER NO. POWER INPUT LINE1 (-10dB) LINE2 (+4dB) PARALLEL HIGH LINE MAIN MAIN L 13942296513 WIRING (結線図)...
  • Page 7: Disassembly Procedure

    MSP3 3 7 63 1515 0 (分解手順) DISASSEMBLY PROCEDURE Rear Panel リアパネル (Time required: 5 min.) (所要時間:5分) 1-1. Remove the seven (7) screws marked [30]. The rear 1-1. リアパネルの[30]ネジ7本を外し、 リアパネルを外 panel can then be removed. (Fig. 1) します。 (図1) Power Transformer (Time required: 10 min.)
  • Page 8 MSP3 3 7 63 1515 0 [HS50] [HS60] [HS50]: Pan Head Screw-B M3X10 ZC (03751140) ナベ小ネジB     バインドBタイト [HS60]: Bind Head Tapping Screw-B 3X10 BL (EP600140) Fig.4 (図4) MAIN C Circuit Board (Time required: 10 min.) MAIN C シート...
  • Page 9 MSP3 3 7 63 1515 0 Woofer ウーファー (Time required: 10 min.) (所要時間:10 分) 6-1. Remove the rear panel. (See Procedure 1.) 6-1. リアパネルを外します。 (1項参照) 6-2. Remove the SP Cabinet. 6-2. SP キャビネットを外します。 6-3. Remove the four (4) screws marked [S20] fixing the 6-3.
  • Page 10: Ic Block Diagram

    MSP3 3 7 63 1515 0 Tweeter トゥイータ (Time required: 10 min.) (所要時間:10 分) 8-1. Remove the rear panel. (See Procedure 1.) 8-1. リアパネルを外します。 (1項参照) 8-2. Remove the four (4) screws marked [S60]. The 8-2. [S60]ネジ4本を外し、 トゥイータを外します。 ( 図10)...
  • Page 11 MSP3 3 7 63 1515 0 (シート基板図) CIRCUIT BOARDS MAIN-A Circuit Board to MAIN-B L 13942296513 to Transformer -CN2 (5~10pin) to MAIN-B -CN1 (1~4pin) to Speaker HF (3pin,4pin) to Speaker LH (1pin,2pin) Pattern side (パターン側) u163 Component side ( 部品側)...
  • Page 12 MSP3 3 7 63 1515 0 MAIN-B Circuit Board CN20: to Trans. Chassis to MAIN-A-CN3 (1~4pin) to MAIN-A-CN1 (5~10pin) L 13942296513 Component side ( 部品側) Pattern side (パターン側) MAIN-C Circuit Board CN7: to Transformer CN17: to MAIN-D-CN18 CN16: to MAIN-D-CN19 Component side (...
  • Page 13 MSP3 3 7 63 1515 0 (検査) INSPECTIONS 1. Test conditions (試験条件) (1) Input Signal: 1kHz±2%, Continuous SIN wave, Unbalanced input (入力信号: 1kHz±2%、連続SIN波、アンバランス入力) (出力負荷: 4Ω、抵抗負荷) (2) Output load: 4Ω, Resistance load (3) AC power supply: AC100V±2%, 50Hz±2% (J) (AC電源)...
  • Page 14 3 7 6 3 1 5 1 5 0 MSP3 MSP3 OVERALL CIRCUIT DIAGRAM (総回路図) MAIN A MAIN B INPUT LINE 2 OP AMP LINE2 OP AMP INPUT LINE 2 OP AMP OP AMP INPUT LINE 1 LINE1 HIGH...
  • Page 15 http://www.xiaoyu163.com 3 7 63 1515 0 PARTSLIST CONTENTS (目次) (総組立) OVERALLASSEMBLY ..........2 (電気部品) ELECTRICALPARTS ..........4 L 13942296513 Notes:DESTINATIONABBREVIATIONS A : Australianmodel M : SouthAfricanmodel B : Britishmodel O : Chinesemodel C : Canadianmodel Q : South-eastAsiamodel D : Germanmodel T : Taiwanmodel E : Europeanmodel U : U.S.A.model...
  • Page 16 MSP3 3 7 63 1515 0 (総組立) OVERALLASSEMBLY HS60 HS20 HS70 HS10 HS50 HS40 Apply bond hear (ボンド塗布) HS30 TX913241 SC608LVZ British model L 13942296513 S30a C150 C110 C120 S140 C160 C150 S150 S130 u163 http://www.xiaoyu163.com...
  • Page 17 MSP3 3 7 63 1515 0 PARTNO. DESCRIPTION 部 品 名 REMARKS REFNO. RANK 総 組 立 OVERALL ASSEMBLY MSP3 Damping Material 352966 吸 音 材 Rear Panel Assembly リ ア パ ネ ル A s s ’ y...
  • Page 18 MSP3 3 7 63 1515 0 (電気部品) ELECTRICALPARTS PARTNO. DESCRIPTION 部 品 名 REMARKS REFNO. RANK ELECTRICAL PARTS 電 気 部 品 Circuit Board MAIN メ イ ン シ ー ト メ イ ン シ ー ト A AAX29130...
  • Page 19 MSP3 3 7 63 1515 0 PARTNO. DESCRIPTION 部 品 名 REMARKS REFNO. RANK AAX29350 Cannon Connector NC3FAH2-0 キ ャ ノ ン コ ネ ク タ INPUT (PARALLEL/LINE 2) AAX10950 Pin Jack YKB11-0701 ピ ン ジ ャ ッ ク...