YamahaメーカーMC 24/12の使用説明書/サービス説明書
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E MIXING CONSOLE Keep This Manual For Future Reference. Owner’s Manual.
i MC32/12, MC24/12—Owner’s Manual Precautions 1. A void excessive heat, humidity , dust and vibration K eep the unit a wa y from locations wher e it is likely t o be exposed to high temperatur es or humidity — such as near radiators, sto ves, etc.
Introduction 1 MC32/12, MC24/12—Owner’s Manual Introduction Thank you for c hoosing the Y amaha MC32/12 or MC24/12 mixing console. Please read this manual thoroughly to tak e best advantage of the console and ext end its useful life.
2 Front Panel MC32/12, MC24/12—Owner’s Manual Front Panel Monaural input channels The MC32/12 {MC24/12} has 28 {20} monaural input channels. The y are locat ed on both sides of the master section and feature the same specifications. A Pad switch This switch is used to atten uate input sig nals by 26 dB .
Monaural input channels 3 MC32/12, MC24/12—Owner’s Manual I ON switches These switches are used to turn on and off the sig nals rout ed from the input channel to MIX buses 1–4. J M5–M10 mix level controls These contr ols route the input c hannel sig nals to MIX buses 5–10.
4 Front Panel MC32/12, MC24/12—Owner’s Manual Stereo input channels The MC32/12 and MC24/12 pro v ide two stereo input c hannel modules. U se the paired INPUT 13/14 and 15/16 jacks (see page 17, rear panel 5 ) to input ster eo sig nals.
Stereo input channels 5 MC32/12, MC24/12—Owner’s Manual I PRE (Pre-fader) switches These switches are used to select pr e- or post-fader for sig nals sent from the st ereo input channel to MIX buses 5–10. Each switch is effectiv e for one pair of MIX buses:5/6, 7/8, or 9/10.
6 Master Section MC32/12, MC24/12—Owner’s Manual Master Section V ariable/Fix select section The MC32/12 and MC24/12 feature a GA (Gr oup/A ux) diversity function, which enables you to use the MIX bus 1–4 signals as group bus signals or A UX bus signals.
Mix section 7 MC32/12, MC24/12—Owner’s Manual ■ M1–M4 These modules function as output channels for either a group bus or an A UX bus, depending on the setting of the switches in the V ar iable/Fix select section.
8 Master Section MC32/12, MC24/12—Owner’s Manual Signal flow in the V ariable/Fix select section and Mix section VARIABLE/FIX FIX MIX OUT 1 MIX INSERT I/O 1 to MTRX PFL PAN to AFL CTL R L R L ST .
ST (Stereo) section 9 MC32/12, MC24/12—Owner’s Manual ST (Stereo) section This section enables you t o control the ST bus signals output from the ST1 OUT jacks (see page 17, rear panel 9 ) and ST2 OUT jacks (see page 17, r ear panel J ).
10 Master Section MC32/12, MC24/12—Owner’s Manual AUX RETURN section The MC32/12 and MC24/12 pro v ide four stereo A UX returns. U se the paired A UX RETURN 1–4 L/R jacks (see page 17, rear panel 8 ) to input st ereo signals.
MATRIX section 11 MC32/12, MC24/12—Owner’s Manual Signal flow in the A UX RETURN section MA TRIX section The MC32/12 and MC24/12 pro v ide two matrix modules that allow you t o mix MIX buses 1–4 and ST bus signals at desired levels. Matrix 1–2 signals are output in monaural v ia the MA TRIX OUT 1–2 jacks (rear panel K ).
12 Master Section MC32/12, MC24/12—Owner’s Manual C-R MONI (Control room monitor) section PHONES (headphones) section This section enables you t o control signals monitored via the C-R MONIT OR OUT jacks (see page 18, rear panel M ) and the PHONES jack on the front panel (C-R MONI section/ PHONES section 6 ).
TAPE IN section 13 MC32/12, MC24/12—Owner’s Manual T APE IN section This section enables you t o control line-level signals input from the T APE IN jacks. I nput signals from the T APE IN jacks can be r outed to the ST bus or directly to the C-R MONIT OR OUT jacks and PHONES jack.
14 Master Section MC32/12, MC24/12—Owner’s Manual T ALKBACK section This section is used to r oute talkback signals to the MIX buses and the ST bus. A INPUT jack This XLR -3-31 unbalanced input jack is used to c onnect a talkback microphone with an output impedance of 50–600 Ω .
METER SELECT section 15 MC32/12, MC24/12—Owner’s Manual METER SELECT section Y ou can select the sig nal sourc e to be displayed in the M eter bridge section.
16 Rear Panel MC32/12, MC24/12—Owner’s Manual Rear Panel A INPUT A jacks 1–12, 17–32 {1–12, 17–24} These are balanc ed, XLR -3-31 monaur al input jacks.
Rear Panel 17 MC32/12, MC24/12—Owner’s Manual E INPUT jacks 13 – 16 These are unbalanced phone jacks for the st ereo input channels, w ith nominal input levels ranging from –34 dB t o +10 dB. If you ar e using the stereo input modules as monaural channels, connect a plug to 13L (MONO) or 15L (MONO) jack.
18 Rear Panel MC32/12, MC24/12—Owner’s Manual L ST INSERT I/O jacks These TRS phone jacks are used to insert an external pr ocessor into the ST bus, w ith nominal input/output levels of 0 dB.
GA Diversity Function 19 MC32/12, MC24/12—Owner’s Manual GA Diversity Function What is GA Diversity? GA Div ersit y is an output select function that allows y ou to use the MIX OUT jacks as group output jacks or A UX output jacks on the MC32/12 and MC24/12.
20 Specifications MC32/12, MC24/12—Owner’s Manual Speci fi cations General speci fi cations * T ur n ov er/Roll off frequency of shelv ing: 3 dB belo w maximum var iable level.
Input specifications 21 MC32/12, MC24/12—Owner’s Manual Input speci fi cations Output speci fi cations 1. Sensiti v ity is the lowest level that will produce an output of +4 dB (1.23 V) or the nominal output level when the unit is se t to maximum gain.
22 Specifications MC32/12, MC24/12—Owner’s Manual Dimensions Unit: mm Fo r E uropean M odel Pur chaser/U ser Information specified in EN55103-1 and EN55103-2.
Block and Level diagram 23 MC32/12, MC24/12—Owner’s Manual Block and Level diagram ST2 OUT ST1 OUT PHONES (@40 Ω ) – 60 – 50 – 40 – 30 – 20 – 10 0 +10 +20 Ch INSERT MIX OUT REC OUT T.
YAMAHA CORPORATION V670450 R1 1 IP 28 Pro Audio & Digital Musical Instrument Division P.O. Box 3, Hamamatsu, 430-8651, Japan NP Printed in T aiwan.
デバイスYamaha MC 24/12の購入後に（又は購入する前であっても）重要なポイントは、説明書をよく読むことです。その単純な理由はいくつかあります：
Yamaha MC 24/12をまだ購入していないなら、この製品の基本情報を理解する良い機会です。まずは上にある説明書の最初のページをご覧ください。そこにはYamaha MC 24/12の技術情報の概要が記載されているはずです。デバイスがあなたのニーズを満たすかどうかは、ここで確認しましょう。Yamaha MC 24/12の取扱説明書の次のページをよく読むことにより、製品の全機能やその取り扱いに関する情報を知ることができます。Yamaha MC 24/12で得られた情報は、きっとあなたの購入の決断を手助けしてくれることでしょう。
Yamaha MC 24/12を既にお持ちだが、まだ読んでいない場合は、上記の理由によりそれを行うべきです。そうすることにより機能を適切に使用しているか、又はYamaha MC 24/12の不適切な取り扱いによりその寿命を短くする危険を犯していないかどうかを知ることができます。
ですが、ユーザガイドが果たす重要な役割の一つは、Yamaha MC 24/12に関する問題の解決を支援することです。そこにはほとんどの場合、トラブルシューティング、すなわちYamaha MC 24/12デバイスで最もよく起こりうる故障・不良とそれらの対処法についてのアドバイスを見つけることができるはずです。たとえ問題を解決できなかった場合でも、説明書にはカスタマー・サービスセンター又は最寄りのサービスセンターへの問い合わせ先等、次の対処法についての指示があるはずです。
