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Yamaha MSR400 Service Manual
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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。
This document is printed on chlorine free (ECF) paper.
PA
011777
200505-86100
All manuals and user guides at all-guides.com
POWERED SPEAKER
CONTENTS
SPECIFICATIONS
PERFORMANCE GRAPH
PANEL LAYOUT
CIRCUIT BOARD LAYOUT
DIMENSIONS
(寸法図)
WIRING DIAGRAM
IC BLOCK DIAGRAM
DISASSEMBLY PROCEDURES
CIRCUIT BOARDS
INSPECTIONS
PARTS LIST
BLOCK DIAGRAM
OVERALL CIRCUIT DIAGRAM
Copyright (c) Yamaha Corporation. All rights reserved. PDF-K185
MSR400
SERVICE MANUAL
(目次)
............................................................3
(総合仕様)
...................................................4
(特性図)
..................................................4
(パネルレイアウト)
(ユニットレイアウト)
......................................................................5
..............................................................5
(結線図)
................................................6
(IC ブロック図)
(分解手順)
...................................................10
(シート基板図)
......................................................................14
(検査)
(ブロックダイアグラム)
(回路図)
..............................5
......................................6
HAMAMATSU, JAPAN
'05.05

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Summary of Contents for Yamaha MSR400

  • Page 1 このサービ スマニ ュ アルはエ コ パルプ BLOCK DIAGRAM (ブロックダイアグラム) (ECF : 無塩素系漂白パルプ) を使用 し ています。 OVERALL CIRCUIT DIAGRAM (回路図) This document is printed on chlorine free (ECF) paper. 011777 HAMAMATSU, JAPAN Copyright (c) Yamaha Corporation. All rights reserved. PDF-K185 ’05.05 200505-86100...
  • Page 2 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 specifically Yamaha Products, are already known and understood by the users, and have therefore not been restated.
  • Page 3 All manuals and user guides at all-guides.com MSR400 ■ SPECIFICATIONS (総合仕様) • General specifications • 一般仕様 Type 形式 Bi-Amp 2-way bass reflex powered speaker バ イ ア ンプ 2 ウ ェ イ バス レ フ型パ ワー ド ス ピーカー Speaker unit ス...
  • Page 4 All manuals and user guides at all-guides.com MSR400 ■ PERFORMANCE GRAPH (特性図) –10 –20 –30 –40 FREQUENCY (Hz) ■ PANEL LAYOUT (パネルレイアウト) • Rear Panel (リアパネル) 1 AC IN connector 1 AC IN 端子 2 POWER switch 2 POWER スイッチ...
  • Page 5 All manuals and user guides at all-guides.com MSR400 ■ CIRCUIT BOARD LAYOUT ■ DIMENSIONS (寸法図) (ユニットレイアウト) 2-M8 depth 17 Unit: mm (単位) INPUT AC INLET ■ WIRING DIAGRAM (結線図) BLUE/BLK BLUE CN105 RED/BLK CN104 YELLOW BLACK CN103 GND1 (6P) YELLOW...
  • Page 6 All manuals and user guides at all-guides.com MSR400 ■ IC BLOCK DIAGRAM (IC ブロック図) • NJM2068L-D (AAX64880) INPUT: IC102 MIX: IC103, IC104, IC105, IC106, IC107, IC108, IC109 Operational Amplifier –IN –V +IN –IN ■ DISASSEMBLY PROCEDURES ■ 分解手順 • Preparing • 準備...
  • Page 7 All manuals and user guides at all-guides.com MSR400 [21] [18] [21] [31] [32] [31] [32] [18] [18] [17] [17] Tweeter (ツィーター) [18] [18] [17] [17] [21] [18] [21] [1]: Bind Head Tapping Screw-B 4x12 MFZN2BL (AAX64800) +バイ ン ド B タ イ ト...
  • Page 8 All manuals and user guides at all-guides.com MSR400 AMP/INPUT/MIX/SW/AC INLET Circuit Boards AMP/INPUT/MIX/SW/AC INLET シート (Time required: about 7 minutes each) ( 所要時間:7 分 ) 5-1. Remove the amplifier assembly. (See procedure 1.) 5-1. ア ンプ Ass’y を外 し ます。 (1 項参照 ) 5-2.
  • Page 9 All manuals and user guides at all-guides.com MSR400 Handle (Time required: about 13 minutes) ハンドル(所要時間:13 分) 7-1. Remove the rear cabinet. (See procedure 2.) 7-1. リ ア キ ャ ビ ネ ッ ト を外 し ます。 ( 2 項参照) 7-2.
  • Page 10 All manuals and user guides at all-guides.com IDLING ADJ. to TWEETER (HF+/HF–) to MIX-CN103 to MIX-CN104 to WOOFER (LF+/LF–) to TRANSFORMER to MIX-CN105 IDLING ADJ. Component side (部品側)...
  • Page 11 All manuals and user guides at all-guides.com Pattern side (パターン側)...
  • Page 12 All manuals and user guides at all-guides.com MSR400 • INPUT Circuit Board • MIX Circuit Board to AMP-CN201 HUM GND Wire to AMP-CN204 to AMP-CN205 LEVEL PEAK/LIMIT LINE OUT (XLR) POWER LINE IN LINE/MIC IN (PHONE) (XLR) HIGH Component side Component side (部品側)...
  • Page 13 All manuals and user guides at all-guides.com MSR400 • SW Circuit Board to AC IN POWER to TRANSFORMER Component side Pattern side (部品側) (パターン側) • AC INLET Circuit Board AC IN Component side Pattern side (部品側) (パターン側)...
  • Page 14 All manuals and user guides at all-guides.com MSR400 ■ INSPECTIONS 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, 60 Hz (K)
  • Page 15 All manuals and user guides at all-guides.com MSR400 ■ 検査 測定条件 1-1. 測定電圧 : AC100V、50/60Hz 1-2. 負荷抵抗 : LF:4Ω / 電力容量 500W HF:16Ω / 電力容量 200W 1-3. LEVEL コントロール : センタークリック位置(+ 4dB) 1-4. EQ LOW コントロール : センタークリック位置(0) 1-5. EQ HIGH コントロール : センタークリック位置(0)...
  • Page 16 All manuals and user guides at all-guides.com MSR400 POWERED SPEAKER MSR400 PARTS LIST ■ CONTENTS (目次) OVERALL ASSEMBLY(総組立) ..................2 AMPLIFIER ASSEMBLY(アンプ Ass’y) ................4 ELECTRICAL PARTS(電気部品) ..................6 Notes : DESTINATION ABBREVIATIONS Australian model South African model British model...
  • Page 17 All manuals and user guides at all-guides.com 14k EMI Core (Korea model only) 14 Rear Cabinet Assembly C Ass’y リア Rear Cabinet リアキャビネット Amplifier Assembly (See page 4) アンプ Ass’y ) ページ参照 10 Front Cabinet Assembly C Ass’y フロント Front Grille Assembly Ass’y フロントグリル...
  • Page 18 All manuals and user guides at all-guides.com MSR400 REF NO. PART NO. DESCRIPTION REMARKS QTY RANK 部 品 名 OVERALL ASSEMBLY 総 組 立 MSR400 Overall Assembly 総 組 立 総 組 立 Overall Assembly Overall Assembly 総 組 立...
  • Page 19 All manuals and user guides at all-guides.com MSR400 ■ AMPLIFIER ASSEMBLY (アンプ Ass’y)...
  • Page 20 All manuals and user guides at all-guides.com MSR400 REF NO. PART NO. DESCRIPTION REMARKS QTY RANK 部 品 名 AMPLIFIER ASSEMBLY ア ン プ A s s ’ y AAX70120 Amplifier Assembly ア ン プ A s s ’ y   J...
  • Page 21 All manuals and user guides at all-guides.com MSR400 ■ ELECTRICAL PARTS (電気部品) REF NO. PART NO. DESCRIPTION 部 品 名 REMARKS QTY RANK 電 気 部 品 ELECTRICAL PARTS MSR400 Circuit Board INPUT シ ー ト I N P U T...
  • Page 22 All manuals and user guides at all-guides.com MSR400 REF NO. PART NO. DESCRIPTION REMARKS QTY RANK 部 品 名 * C147 Ceramic Capacitor(chip) 0.47 50V 20% チ ッ プ セ ラ 150F-474M-J-BD AAX65560 * C148 Ceramic Capacitor(chip) 0.018 50V K チ...
  • Page 23 All manuals and user guides at all-guides.com MSR400 REF NO. PART NO. DESCRIPTION REMARKS QTY RANK 部 品 名 * R188 Carbon Resistor(chip) 100K 1/10W J チ ッ プ 抵 抗 4720-104J-J AAX65660 * R189 Carbon Resistor(chip) 2.2K 1/10W J チ...
  • Page 24 All manuals and user guides at all-guides.com MSR400 REF NO. PART NO. DESCRIPTION REMARKS QTY RANK 部 品 名 * CN201 Connector JM24182-6P WAFER コ ネ ク タ ー 2101-9150-0 AAX65190 * CN202 Connector WAFER 6PIN P=3.96mm コ ネ ク...
  • Page 25 All manuals and user guides at all-guides.com MSR400 REF NO. PART NO. DESCRIPTION REMARKS QTY RANK 部 品 名 * Q236 Transistor 2SA1371 hfe100-200 ト ラ ン ジ ス タ 4851-371E-K AAX66140 * Q237N Transistor 2SC4883A FM20 ト ラ ン...
  • Page 26 All manuals and user guides at all-guides.com MSR400 REF NO. PART NO. DESCRIPTION REMARKS QTY RANK 部 品 名 * R295 Carbon Resistor(chip) 1/8W J チ ッ プ 抵 抗 4721-220J-6 AAX66030 * R296 Carbon Resistor(chip) 2.2K 1/8W J チ...
  • Page 27 All manuals and user guides at all-guides.com ■ BLOCK DIAGRAM (ブロックダイアグラム) MSR400 Q111,Q113 Q243 COMPRESSOR PEAK DETECT Freq. response +Vcc compensation EMI CORE (Korea model only) P.AMP VR105 IC106B INPUT YE (+) TWEETER RY201 BL (–) HIGH LINE OUT IC107B...
  • Page 28 All manuals and user guides at all-guides.com ■ MSR400 OVERALL CIRCUIT DIAGRAM 1/3 (INPUT, MIX) MSR400 INPUT R144 R148 C103 390R 100u/25V VR104 -15V LEVEL C117 A20K NC3MAV 0.01u JK102 R138 -15V +15V IC103A LINE OUT IC102B C114 NJM2068L-D IC103B...
  • Page 29 All manuals and user guides at all-guides.com ■ MSR400 OVERALL CIRCUIT DIAGRAM 2/3 (AMP 1/2) MSR400 AMP 1/2 (LF) HF-1 from AMP 2/2 F1 (P.4) +Vcc R245 R249 C242 100P D215 R253 R302 C260 D207 Q235 4u7/100V D1NL20U 1SS133/176 2SC3468...
  • Page 30 All manuals and user guides at all-guides.com ■ MSR400 OVERALL CIRCUIT DIAGRAM 2/3 (AMP 2/2, AC INLET, SW) MSR400 • D10XB20 (AAX65400) • NJM7815FA(AAX64890) • NJM7915FA(AAX64900) +Vcc AMP 2/2 (HF) DIODE STACK REGULATOR +15V REGULATOR -15V R247 R251 AMP: D238...