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CIRCUIT BOARD (シート基板図) ......... 15 (検査) INSPECTIONS ............17/21 PARTS LIST BLOCK DIAGRAM & LEVEL DIAGRAM (ブロックダイアグラム&レベルダイアグラム) (総回路図) OVERALL CIRCUIT DIAGRAM 011679 HAMAMATSU, JAPAN 200306-14800 Copyright (c) Yamaha Corporation. All rights reserved. PDF-K135 ’03.04 Downloaded from www.Manualslib.com manuals search engine...
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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.
MG10/2 SPECIFICATIONS General Specifications Ω Frequency Characteristics (ST OUT) 20 Hz–20 kHz +1 dB, –3 dB @+4 dBu, 10 k (with gain control at maximum level) Ω 0.1 % (THD+N) @+14 dBu, 20 Hz–20 kHz, 10 k (with gain control at maximum level)
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MG10/2 Connector Polarities INPUT OUTPUT Pin 1: Ground MIC INPUT Pin 2: Hot (+) Pin 3: Cold (–) LINE INPUT (monaural channels), Tip: Hot (+) ST OUT, C-R OUT, Ring: Cold (–) AUX1, AUX2* Sleeve: Ground Ring Tip: Output INSERT I/O...
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MG10/2 (ユニットレイアウト&結線図) CIRCUIT BOARD LAYOUT & WIRING Rear view Right side view Top view MAIN Power switch and AC connector wiring (電源スイッチとACコネクタの結線) (V975620) (Connector assembly 2P BROWN, RED) Need twist of one rotation. Wiring to MAIN circuit board (1回ひねります。) (MAINシートへの結線)...
MG10/2 (分解手順) DISASSEMBLY PROCEDURE Bottom Case (Time required: About 1 minute) ボトムケース(所要時間:約 1 分) Remove the five (5) screws marked [250] and the [250]のネジ 5 本と[260]のネジ 2 本を外し、ボトム ケースを外します。 (図 1) two (2) screws marked [260]. The bottom case can then be removed.
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MG10/2 AC Support (Time required: About 2 minutes) サポート AC(所要時間:約 2 分) Remove the bottom case. (See procedure 1.) ボトムケースを外します。 (1 項参照) [270]のネジ 1 本を外し、サポート AC を外します。 Remove the screw marked [270]. The AC support can then be removed. (Fig. 1, Photo. 1) (図...
MG10/2 (シート基板図) CIRCUIT BOARD MAIN Circuit Board ST OUT C-R OUT 10 R AUX1 LINE (MONO) (MONO) (MONO) (PRE) PHONES 10 R AUX2 INSERT I/O RETURN SEND GAIN PEAK PEAK PEAK PEAK PHANTOM POWER +48V HIGH PEAK RETURN 2TR IN...
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MG10/2 MAIN Circuit Board Pattern side (パターン側) Downloaded from www.Manualslib.com manuals search engine...
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MG10/2 INSPECTIONS Scope This inspection specification is applied to the mixer MG10/2. Power Supply AC Adaptor shall be used. V981040(H:230V 50Hz) or V981030(U:120V 60Hz), V981220(B:230V 50Hz), V981680(K:220V 60Hz), V986200(A:240V 50Hz) Power Indicator Inspection POWER LED shall light when the unit is turned on.
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MG10/2 Table 4.2.2 [dBu] INSERT OUT INPUT INPUT Level Gain REC OUT L REC OUT R 1-4/8 -12 ± 2 Mic 1, 2 – – CH INSERT IN 1 Unspecified – +4.2± 2 +4.2± 2 CH INSERT IN 2 Unspecified –...
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MG10/2 4.5 Channel Equalizer Characteristics In the state checked in 4.2 above, check the output level obtained at ST L OUT in the case of CH INPUT and ST CH INPUT L and at ST R OUT in the case of ST CH INPUT R when LO, HI and MID of INPUT are moved respectively.
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MG10/2 4.10 Maximum Output In the state 4.9, the distortion factor shall be less than 1% when the output level is +20dBu at ST L OUT, ST R OUT, AUX1 OUT, AUX2 OUT and C-R OUT. The distortion factor shall be less than 1% when the output level is +7.5dBu at PHONES (L/R).
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MG10/2 検査 1.適用範囲 ミキサー MG10/2 について規定します。 2.電源 AC アダプターを使用します。 V981020 (J:100V 50Hz) 3.パワーインジケーターの検査 電源投入時、POWER Indicator が点灯することを確認します。 ミキサー部の検査 4.1 準備 各出力端子の負荷抵抗は下記の通りです。 ・PHONES(L,R) : 40 Ω ・その他出力: 10k Ω 特に指定の無い場合、ツマミ類は以下のように設定してください。 ・CH (1-2) INPUT H・P・F switch GAIN Trim MAX(-60dBu) HI, MID, LO EQ Gain control CENTER AUX Level control PRE(左廻し切り)
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MG10/2 表 4.2.2 [dBu] INSERT OUT INPUT INPUT Level Gain REC OUT L REC OUT R 1-4/8 -12 ± 2 Mic 1, 2 – – CH INSERT IN 1 Unspecified – +4.2± 2 +4.2± 2 CH INSERT IN 2 Unspecified –...
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MG10/2 4.5 チャンネル EQ 変化特性 4.2 の状態で、INPUT の LO,MID,HI をそれぞれ動かした時、CH INPUT 及び ST CH INPUT L は ST L OUT で、ST CH INPUT R は ST R OUT で得られる各周波数における出力レベルは、EQ gain control センタークリック位置の出力レベル を基準として[表 4.5.1]の範囲内であることを確認します。 指定周波数において範囲内の出力レベルが得られない場合は、印加周波数を指定周波数の± 20% の範囲で変化させ、 [表 4.5.1]の変化幅が得られることを確認します。 表 4.5.1 [dB]...
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MG10/2 4.10 最大出力 4.9 の状態で ST L OUT,ST R OUT,AUX1 OUT,AUX2 OUT,C-R OUT に +20dBu 歪率 1% 以下の出力が得られることを確認 します。 PHONES(L,R)に +7.5dBu 歪率 1% 以下の出力が得られることを確認します。 ST L OUT,ST R OUT 測定時は、PAN または BAL control をそれぞれ L,R に回しきってください。 C-R OUT, PHONE 測定時は、C-R/PHONE control を MAX にしてください。...
MIXING CONSOLE PARTS LIST (目次) CONTENTS (総組立) OVERALL ASSEMBLY ..........2 (電気部品) ELECTRICAL PARTS ........4-17 Notes : DESTINATION ABBREVIATIONS A : Australian model M : South African model B : British model O : Chinese model C : Canadian model Q : South-east Asia model D : German model T : Taiwan model...
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MG10/2 (総組立) OVERALL ASSEMBLY Meter reflector (リフレクターMETER) Downloaded from www.Manualslib.com manuals search engine...
MIXING CONSOLE CIRCUIT DIAGRAM (目次) CONTENTS & LEVEL DIAGRAM BLOCK DIAGRAM (ブロック図&レベルダイアグラム) ........3 (総回路図) OVERALL CIRCUIT DIAGRAM MAIN ................4-7 Notation for Circuit Diagrams (回路図表記上の注意) (シート間コネクタの読み方について) 1. How to identify inter-sheet connectors to page 6: K8 The page number indicates the destination page. Signal name (ページNo.は信号の行先ページを示します。)...
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OVERALL CIRCUIT DIAGRAM 1/4 (MAIN) MG10/2 PHANTOM+48V MAIN to Page 6: K8 LEVEL to Page 6: J8 GAIN OP AMP to Page 6: H8 OP AMP OP AMP to Page 6: I8 MONO CH1 HIGH LINE OP AMP PEAK INSERT I/O...
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OVERALL CIRCUIT DIAGRAM 2/4 (MAIN) MG10/2 MAIN HIGH to Page 6: K8 OP AMP to Page 6: J8 ST CH OP AMP OP AMP CH7 (L)/CH8 (R) to Page 6: H8 OP AMP to Page 6: I8 OP AMP OP AMP...
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OVERALL CIRCUIT DIAGRAM 3/4 (MAIN) MG10/2 MAIN LED DRIVER OP AMP OP AMP OP AMP OP AMP LED DRIVER OP AMP OP AMP OP AMP OP AMP ( セ ) : Ceramic Capacitor (セラミックコンデンサー) from Page 4: A1, from Page 4: A1,...
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OVERALL CIRCUIT DIAGRAM 4/4 (MAIN) MG10/2 MAIN REGULATOR +15V 1A 250V X 2 ON/STANDBY (POWER) REGULATOR -15V AC ADAPTOR REGULATOR +12V NJM7915FA(XD854A00) NJM7815FA(XD853A00) REGULATOR +15V REGULATOR -15V REGULATOR +5V 1: OUTPUT 1: OUTPUT 2: COMMON 2: INPUT 3: COMMON 3: INPUT...
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