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IC BLOCK DIAGRAM ........20 (シート基板図) CIRCUIT BOARDS ........22 INSPECTIONS (検査) ............30/35 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) OVERALL CIRCUIT DIAGRAM (総回路図) u163 011768 HAMAMATSU, JAPAN 200501-38850 Copyright (c) Yamaha Corporation. All rights reserved. PDF-K ’05.02 http://www.xiaoyu163.com...
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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.
MG12/4FX 3 7 63 1515 0 SPECIFICATIONS ■ Electrical Characteristics Conditions UNIT (THD+N) 20 Hz-20 kHz @+14 dBu 600 ohms (CH1 to 4) with Total Harmonic Distortion Signal input CH ST Switches are On, Signal input CH Fader, (MIC to ST OUT)
MG12/4FX 3 7 63 1515 0 (パネルレイアウト) PANEL LAYOUT Channels Channels Channels 1 to 4 5/6 and 7/8 9/10 and 11/12 GAIN Control (Monaural) (Stereo) (Stereo) PEAK Indicator チャンネル チャンネル チャンネル 80 Switch (High Pass Filter) 1∼4 5/6、7/8 9/10、11/12 Equalizer (HIGH, MID, and LOW) (モノラル)...
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MG12/4FX 3 7 63 1515 0 (マスターコントロール部) Master Control Section ST Master Fader GROUP 1-2 Fader TO ST Switch Master SEND RETURN 2TR IN Control PHANTOM +48V Switch Level-Meter Signal switches (ST-GROUP Toggle Switch and 2TR IN Switch) C-R/PHONES Control...
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MG12/4FX 3 7 63 1515 0 Rear Input/Output Section (リア入出力部) チャンネル INPUT 端子 Channel Input Jacks L 13942296513 INSERT I/O 端子 INSERT I/O Jacks チャンネル INPUT 端子 Channel Input Jacks GROUP OUT (1、2) 端子 GROUP OUT (1, 2) Jacks ST OUT (L、R) 端子...
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MG12/4FX 3 7 63 1515 0 Connector Polarities INPUT OUTPUT Pin 1: Ground MIC INPUT, ST OUT Pin 2: Hot (+) Pin 3: Cold (-) LINE INPUT (monaural channels), Tip: Hot (+) GROUP OUT, ST OUT, C-R OUT Ring: Cold (-)
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MG12/4FX 3 7 63 1515 0 (ユニットレイアウト) CIRCUIT BOARD LAYOUT JACK JACK MAIN(2/2) MAIN(2/2) L 13942296513 MAIN(1/2) u163 http://www.xiaoyu163.com...
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MG12/4FX 3 7 63 1515 0 (結線図) WIRING 1. Jumper wire bending in the dimension of figure. WC703300 ジャンパーワイヤーを図の寸法に曲げます。 15±1mm 10±1mm To circuit board Jack To circuit board Main ジャック基板へ メイン基板へ 2.Before attaching circuit board MAIN & JACK to panel, insert wiring ass'y to each connector.
MG12/4FX 3 7 63 1515 0 DISASSEMBLY PROCEDURE (分解手順) ボトムに負荷がかからないように台に置くなどして、 注 Take care to avoid excess load to the bottom by putting the unit on a table or the like. 意して作業してください。 Rack Mount Angle ラックアングル (所要時間:各約 1 分) (Time required: About 1 minute each) [420]のネジ2本を外し、...
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MG12/4FX 3 7 63 1515 0 Side Cover サイドカバー、シート PS (Time required: About 6 minutes each) (所要時間:各約 6 分) Remove the bottom cover. (See procedure 2.) ボトムカバーを外します。 (2 項参照) Side Cover L: サイドカバー L: 3-2-1 Remove the Rack Mount Angle L. (See procedure 1.) 3-2-1 ラックアングル...
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MG12/4FX 3 7 63 1515 0 Power Switch and AC Connector 電源 SW と AC コネクタ (所要時間:約 6 分) (Time required: About 6 minutes) ボトムカバーを外します。 (2 項参照) Remove the bottom cover. (See procedure 2) サイドカバーR、 シートPSを外します。 (3-3項参照) Remove the side cover R and PS circuit board.
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MG12/4FX 3 7 63 1515 0 CIRCUIT BOARDS (シート基板図) DSP Circuit Board (X5022C0) ............22 PS Circuit Board (X5235B0) ............23 JACK Circuit Board (X5403C0) ............. 24 MAIN(1/2, 2/2) Circuit Board (X5024C0) ........28 Note: See parts list for details of circuit board component parts.
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MG12/4FX 3 7 63 1515 0 PS Circuit Board Scale : 90/100 to MAIN(1/2)-CN102 to MAIN(1/2)-CNF01 to SW01 Component side (部品側) L 13942296513 Pattern side (パターン側) u163 http://www.xiaoyu163.com...
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MG12/4FX 3 7 63 1515 0 JACK Circuit Board L 13942296513 to MAIN(1/2)-CN501 to MAIN(1/2)-CN501 to MAIN(1/2)-CN501 to MAIN(1/2)-CN501 to MAIN(1/2)-CN501 to MAIN(1/2)-CN501 to MAIN(1/2)-CN701 to MAIN(1/2)-CN701 to MAIN(1/2)-CN701 to MAIN(1/2)-CN701 to MAIN(1/2)-CN701 to MAIN(1/2)-CN701 to MAIN(1/2)-CN901 to MAIN(1/2)-CN901...
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MG12/4FX 3 7 63 1515 0 Scale : 100/100 L 13942296513 /2)-CN901 /2)-CN901 /2)-CN901 /2)-CN901 /2)-CN901 /2)-CN901 to MAIN(1/2)-CNA01 to MAIN(1/2)-CNA01 to MAIN(1/2)-CNA01 to MAIN(1/2)-CNA01 to MAIN(1/2)-CNA01 to MAIN(1/2)-CNA01 to MAIN(1/2)-CND01 to MAIN(1/2)-CND01 to MAIN(1/2)-CND01 to MAIN(1/2)-CND01 to MAIN(1/2)-CND01...
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MG12/4FX 3 7 63 1515 0 Scale : 100/100 L 13942296513 Pattern side (パターン側) u163 http://www.xiaoyu163.com...
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MG12/4FX 3 7 63 1515 0 MAIN Circuit Board Scale : 50/100 to JACK-CN571 to JACK-CN771 to JACK-CN971 to JACK-CNA71 to JACK-CND71 to JACK-CNE71 to JACK-CNG71 to PS-CN02 to PS-CN03 L 13942296513 B version: compared to C version, only some patterns are different.
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MG12/4FX 3 7 63 1515 0 to DSP-CNM02 L 13942296513 u163 Pattern side (パターン側) http://www.xiaoyu163.com...
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MG12/4FX 3 7 63 1515 0 INSPECTIONS Scope This inspection specification is applied to the mixer MG12/4FX. Power Source The voltage is within ±10%. AC Adaptor shall be used. Destination Voltage AC Adaptor 100V WC70400 U, V 120V WC70410...
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MG12/4FX 3 7 63 1515 0 AUX PRE switch OFF (POST) EFFECT level control BAL control ON switch ON (LED shall light) when taking measurement only/ OFF otherwise PFL switch ON (LED shall light) when taking measurement only/ OFF otherwise...
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MG12/4FX 3 7 63 1515 0 Table 3.3-2 [dBu] INSERT OUT INPUT INPUT Level Gain REC OUT L REC OUT R Mic 1-4 -20 ±2 ー ー CH INSERT IN 1 Unspecified ー +2.2 ±2 +2.2 ±2 CH INSERT IN 2-4 ー...
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MG12/4FX 3 7 63 1515 0 Table 3.6-1 [dB] EQ control EQ GAIN Applied frequency Variaion width +12 ±2 10kHz -12 ±2 +15 ±2 2.5kHz -15 ±2 +12 ±2 100Hz -12 ±2 3.7 Crosstalk Setting the fader to the nominal position and each input channel ON switch to ON, and turning the PAN control shall be -50dBu or (BAL control in the case of ST CH INPUT) counterclockwise fully, the level of the leakage to ST R OUT less when the output level of ST OUT is +20dBu.
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MG12/4FX 3 7 63 1515 0 3.13 Residual Noise In the state 3.1, set the all Fader and Level Control of all input CH to MIN and set the all Assign switch to OFF. Then, the noise level shall be less than the level specified in the Table 3.13-1.
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MG12/4FX 3 7 63 1515 0 検査 適用範囲 ミキサー MG12/4FX について規定します。 電源電圧 仕向地電源電圧の± 10% 以内 AC アダプターを使用します。 仕向 電圧 AC Adaptor 100V WC70400 U, V 120V WC70410 220V WC71110 220V WC70440 230V WC70430 H, W 230V WC70420 240V WC70450 3.1 準備...
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MG12/4FX 3 7 63 1515 0 •ST CH (9/10, 11/12) HI, MID, LO EQ Gain control CENTER AUX level control AUX PRE switch OFF (POST) EFFECT level control BAL control 測定時のみ ON(LED 点灯)/それ以外は OFF ON switch 測定時のみ ON(LED 点灯)/それ以外は OFF...
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MG12/4FX 3 7 63 1515 0 表 3.3-2 [dBu] INSERT OUT INPUT INPUT Level Gain REC OUT L REC OUT R Mic 1-4 -20 ±2 ー ー CH INSERT IN 1 Unspecified ー +2.2 ±2 +2.2 ±2 CH INSERT IN 2-4 ー...
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MG12/4FX 3 7 63 1515 0 表 3.6-1 [dB] EQ control EQ GAIN Applied frequency Variaion width +12 ±2 10kHz -12 ±2 +15 ±2 2.5kHz -15 ±2 +12 ±2 100Hz -12 ±2 3.7 チャンネルセパレーション Fader は Nominal Position(0 位置)にし、INPUT の各チャンネルで ON スイッチを ON し、PAN control (ST CH INPUT では...
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MG12/4FX 3 7 63 1515 0 3.13 残留雑音 3.1 の状態で全ての INPUT 部の FADER、Level control を MIN にし、assign switch を OFF にします。 この時、MASTER 部の FADER、VR を最大・最小にした時のノイズレベルは[表 3.13-1]のレベル以下であることを確 認します。 * C-R OUT および PHONES を測定する時は、ST FADER を MIN にしてください。 (ノイズ測定時は、12.7KHz、-6dB/octave ローパスフィルタを使用してください。 )...
http://www.xiaoyu163.com 3 7 63 1515 0 PARTS LIST (目次) CONTENTS (総組立) OVERALL ASSEMBLY ..........2 (電気部品) ELECTRICAL PARTS ........5-28 Notes : DESTINATION ABBREVIATIONS L 13942296513 A : Australian model M : South African model B : British model O : Chinese model C : Canadian model Q : South-east Asia model D : German model...