DISASSEMBLY PROCEDURES (分解手順) ..........7 CIRCUIT BOARDS (シート基板図) ............11 INSPECTIONS (検査) ................16 BLOCK DIAGRAM (ブロックダイアグラム) ..........18 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。 CIRCUIT DIAGRAM (回路図) ..............19 PARTS LIST 011845 200612-66150 HAMAMATSU, JAPAN Copyright (c) Yamaha Corporation. All rights reserved. 06.11...
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.
MSP7 STUDIO PANEL LAYOUT (パネルレイアウト) • Front Panel • Rear Panel (フロントパネル) (リアパネル) POWER indicator POWERインジケーター POWER switch POWERスイッチ AC IN connector AC IN端子 LOW TRIM switch LOW TRIMスイッチ HIGH TRIM switch HIGH TRIMスイッチ LOW CUT switch LOW CUTスイッチ INPUT connector INPUT端子 LEVEL control LEVELコントロール...
MSP7 STUDIO DISASSEMBLY PROCEDURE (分解手順) ウーファー (所要時間:約1分) Woofer (Time required: About 1 minute) Remove the four (4) hexagonal socket screws marked [2 2 0 ] の6 角穴付ネジ4 本を外し、ウーファーとウー [220]. The woofer and woofer ring can then be removed. ファーリングを外します。 (図 1) (Fig.
Page 8
MSP7 STUDIO Power Transformer, TRANS Circuit Board 電源トランス、TRANSシート (Time required: About 3 minutes) (所要時間:約3分) Remove the rear panel assembly. (See procedure 2) リアパネルAss yを外します。 (2項参照) Remove the three (3) screws marked [B] and screw [B] のネジ3本、 [C] のネジを外し、電源トランスと marked [C]. The power transformer with TRANS circuit TRANSシートを外します。...
Page 9
MSP7 STUDIO INPUT Circuit Board: INPUTシート: 5-5-1 Remove the volume knob, hexagonal nut and washer. 5-5-1 ボリュームノブ、6角ナット、ワッシャーを外します。 (Fig. 7) (図 7) 5-5-2 Remove the five (5) screws marked [250]. 5-5-2 [250] のネジ5本を外し、モールドケースを外します。 (図 7、8) The mold case can then be removed. (Fig. 7) 5-5-3 [240A]...
Page 10
MSP7 STUDIO Heat Sink (Time required: About 6 minutes) ヒートシンク (所要時間:約6分) Remove the rear panel assembly. (See procedure 2) リアパネルAss yを外します。 (2項参照) Remove the power transformer and the bracket trans. 電源トランスとトランス金具を外します。 (See procedure 5-2, 5-3) (5-2、5-3項参照) Remove the AMP circuit board. (See procedure 5-4) AMPシートを外します。...
MSP7 STUDIO • TRANS Circuit Board to AMP CN202 Component side (部品側) Pattern side (パターン側) • LED Circuit Board POWER to AMP CN201 Component side (部品側) Pattern side (パターン側)...
Page 17
MSP7 STUDIO 2. Muting operation (Muting動作) Turn ON or OFF the power switch and check the relay パワースイッチをON/OFFにした時のリレーの動作時間 operation time and the pop noise obtained at SP terminal と、SP端子間に現れるポップノイズはLF、HF共に下表の is within the range specified in the following table. 範囲であることを確認します。 Relay operation time Noise output voltage (...
MSP7 STUDIO CIRCUIT DIAGRAM 1/2 (INPUT 1/2) INPUT OP AMP OP AMP OP AMP to INPUT_CN102B <P. 20/G-2> OP AMP HIGH TRIM LOW TRIM OP AMP ZA1G0A00104 to TRANS_CN206 <P. 20/A-6> WARNING (注意) : Electrolytic Capacitor (ケミカルコンデンサー) (MY) : Mylar Capacitor (マイラーコンデンサー) ...
Page 20
MSP7 STUDIO CIRCUIT DIAGRAM 2/2 (INPUT 2/2) POWER AMP to INPUT_CN102 <P. 19/A-4> TWEETER 6 Ω OP AMP WOOFER 4 Ω TRANS REGULATOR +15V OP AMP to CN104 : Electrolytic Capacitor (ケミカルコンデンサー) <P. 19/F-6> (MY) : Mylar Capacitor (マイラーコンデンサー) (FS) : Flame Proof Carbon Resistor (不燃化カーボン抵抗) Note : See parts list for details of circuit board component parts.
Page 21
MSP7 STUDIO PARTS LIST I CONTENTS (目次) OVERALL ASSEMBLY (総組立) ............2 ELECTRICAL PARTS (電気部品) ............4 Notes: DESTINATION ABBREVIATIONS Australian model South African model British model Chinese model Canadian model South-east Asia model German model Taiwan model European model U.S.A.
Page 22
MSP7 STUDIO OVERALL ASSEMBLY (総組立) Accessories of VOLUME (VOLUME付属品) Non-skid pad(ゴム脚)...
Page 23
MSP7 STUDIO PART NO. DESCRIPTION 部 品 名 REMARKS REF NO. RANK OVERALL ASSEMBLY 総 組 立 MSP7 STUDIO Overall Assembly MSP7 STUDIO J 総 組 立 Overall Assembly MSP7 STUDIO U 総 組 立 Overall Assembly MSP7 STUDIO H 総...
Page 24
MSP7 STUDIO ELECTRICAL PARTS (電気部品) PART NO. DESCRIPTION 部 品 名 REMARKS REF NO. RANK ELECTRICAL PARTS 電 気 部 品 MSP7 STUDIO WJ273400 Circuit Board AMP (MAIN2/5,5/5) A M P シ ー ト (WJ27330,WJ27380) WJ273500 Circuit Board INPUT (MAIN3/5) I...
Need help?
Do you have a question about the MSP Series and is the answer not in the manual?
Questions and answers