Mark Levinsonメーカー433の使用説明書/サービス説明書
ページ先へ移動 of 34
N o 433 Power Amplifier Owner’ s Manual.
2 WARNING TO REDUCE THE RISK OF FIRE OR ELECTRIC SHOCK, DO NOT EXPOSE THIS APPLIANCE TO RAIN OR MOISTU RE. The lightning flash with ar rowhead symbo l, within an equilateral triangle, is int ended to .
3 9. NEVER attempt to repair this product. If a prob lem occurs, contact your Mark Levinson retailer . 10. NEVER expose this product to extrem ely high or low temperatures. 11. NEVER operate this product in an explosive atm osphere. 12. AL W A YS keep electrical equipment out of the reach of children .
4 3 Oak Par k Bedford, MA 01730-1 413 USA Telephone: 781-280 -0300 Fax: 781-280-0490 www.marklevinson.com Customer Service Telephone: 781-280 -0300 Sales Fax: 781-280-0495 Service Fax: 781-280-0499 Product Shipments 16 Progress Road Billerica, MA 01821-5730 USA Part No.
5 Nº433 Power Amplifi er T able of Contents Unpacking .................................... ..................... .......................... ... 6 Product Registration ............................ .......................... ............. 6 Installation Considerations .
6 Mark Levinson Unpacking War n i n g ! DO NOT attempt to lift or move the Nº433 without adequate assistance. Failure to follow the pr ocedures included in this section may result in personal injuries and/or product damage. The Nº433 is a massive power amplifier .
7 Nº433 Power Amplifi er Installation Considerations The Nº433 requires special care du ring installation to ensure optimal performance. Pay particul ar attention to the precauti ons included in this section a nd to other precautions included throughout this owne r’ s manual.
8 Mark Levinson • DO NOT place the Nº433 on a thick rug or carpet or cover the Nº4 33 wi th a cl ot h, as t hi s m ig ht p re ve nt p ro pe r c ool in g. I f t he Nº433 is placed on the floor , use a thick piece of tempered glass to provide firm support and proper ventilation.
9 Nº433 Power Amplifi er Power Requir ements When shipped, t he Nº433 is configured for 10 0V , 120V , 220V , 23 0V or 240V AC power ope ration at 50 or 6 0Hz based on the count ry for which it is manufa ctured. Before operating the Nº433, make sure the ~ac mains connector label indicates the correct operating voltage for the current lo cation.
10 Mark Levinson power outage occurs. Power is not disconnected when th e Nº433 is in standby or sleep mode . When power returns, the Nº433 wi ll require a brief warm-u p and break-in period (no t the full 300 ho urs). It is recommended that you allow the Nº433 a nd other audio co mponents to stabi lize for a fe w minutes.
11 Nº433 Power Amplifi er Special Design Featur es Thank you for pu rchas ing the Nº4 33 Power Amplifier . While this amplifier is straightforward in everyday use, it includes several design features that are responsible for its ou tstanding performance.
12 Mark Levinson Extensive Pr otection The Nº433 is designed to shut itse lf down if it senses any of a number of fault conditions that could cause damage to itself or to associated loudspeakers.
13 Nº433 Power Amplifi er Fr ont Panel The numbers in the front-panel illustrat ion shown below corre- spond with the numbere d items that appear below . 1. Indicator LED Indicates the operating state of the Nº43 3 and provides diagnostic informatio n when a fault con dition occurs.
14 Mark Levinson 2. Power Button Powers the Nº43 3 on and off when the power cord is connected to the ~ac mains co nnector and an electrical outlet. When the Nº43 3 is powered on, pressi ng and releasing the power button disconnects power from the ~ac mains connect or and powers t he Nº433 off.
15 Nº433 Power Amplifi er Rear Panel The numbers in the rear- panel illu stration shown below correspond with the numbered items that appear in the text below . Caution! Never make or break connections to the Nº433 unless it and all associated compon ents are powe re d off and disconnected fr om electrical outlet s.
16 Mark Levinson Caution! NEVER connect power -amplifier outputs to any component other than a loudspeaker . NEVER short cir cuit po wer -amp lifier outputs NEVER connect power -amplifier outputs to another power amplifier’ s outputs. For best performa nce, use high-quality loudspeak er cables.
17 Nº433 Power Amplifi er 4. Balanced Input Provides left, center and righ t-channel audio input. One XLR connector per channel is available to accept balanced input signals from an associated preamplifier . For best performa nce, use balanced connectio ns whenever po ssible.
18 Mark Levinson 7. trigger in and out connectors Provide DC trigger control. One 1/ 8-inch min i-jack lab eled trig ger in is available to receive 12 or 5V DC signals from a connec ted component, and one 1/8 -inch mini-jack l abeled trigger out is available to pass signals to a connected power amplifier .
19 Nº433 Power Amplifi er 9. ~ac mains connector Provides power to the Nº433 thro ugh the supplied power cord when the supplied power cord is conn ected to the ~ac mains connector and the electrical outlet. One IEC-standard AC mains receptacle labele d ~ac main s is ava ilable.
20 Mark Levinson Linking Linking is av ailable for a ll Mark Levins on compone nts that offer Link or communication ports, including master , slave in , slave out , , input and output communication ports.
21 Nº433 Power Amplifi er other linked components, possibly voiding the manufacturer’ s warranty and/or standard r epair policies. Constructing Link Communication Cables Link communication cables ca n be constructed using a six-conductor modular Cat .
22 Mark Levinson Note Contact an authorized Mark Levinson dealer or Customer Service at www .marklevinson.com for ad ditional assistance making Link connections. Cr eating a Slave Chain Making Link connections creates a slave chain that facil itates communication among li nked components, allowing them to share certain controls.
23 Nº433 Power Amplifi er T o create a slave chain that includes the Nº433: 1. Make sure the Nº433 a nd all associated components are powered off. 2. Connect the input commu nicatio n port on the first power amplifier to the or sla ve out communica tion port on th e preamplifier .
24 Mark Levinson Refer to the table on the previous page and to the illustrati on below for additional assistance. Refer to pages 20-21 for specific cable uses and instructions. 3. When Link connecti ons have bee n made, power on linked components ONE A T A TIME in the order sp ec ified below .
25 Nº433 Power Amplifi er Link Contr ols Linking Mark Levi nson components allows them to share certain controls. The table belo w provides a general description of controls the Nº433 shar es with other linked co mponents. Som e controls may not be available for certain component combinations.
26 Mark Levinson T r oubleshooting Incorrect operation is som etimes mistaken for malfunction. If problems o ccur , refer to this s ection for tro ubleshoot ing infor- mation. If problems persist, c ontact an authorized Mark Levinson dealer or Customer Service at www .
27 Nº433 Power Amplifi er 4. No audio and the fr ont-panel indicator LED is blinking rapidly , r emaining lit most of the time. •A power-r elated fault is presen t (~ac main s voltage is too high or too low ). • Power cycle the Nº433 with the power button , w aiting at least five minutes between powering t he Nº433 off and on.
28 Mark Levinson 8. The amplifier keeps powering off. •A fault conditi on may be present at the input (e.g., a DC signal from the preamplifier) or the output (e.g., short- ci rcuited loudspeaker wires). If this occurs: a. Power the Nº433 off with the power button .
29 Nº433 Power Amplifi er Car e & Maintenance The Nº433 requir es routine ca re and main tenance to ensu re optimal performance. The bulleted ite ms in this section indicate m aintenance procedures that should be performed on a regular basis.
30 Mark Levinson Specifications The correlation between published specifications and perform ance is unreliable. Measurements of your amplifier yield excellent results by any standar ds. However , only those specifications that apply to its actual operation are included here.
31 Nº433 Power Amplifi er Declaration of Conformity Application of Council Dir ective(s): 2004/108/EC and 73/2 3/EEC, as amended. Standar d(s) to which Conformity is Declar ed: EN 55013 : 2001 EN 550.
32 Mark Levinson Dimensions 17 .75" 45.09 c m 7 . 65" 19.4 c m 6.97" 17 .7 c m 3.31" 8 .4 c m 5.375" 13.7 c m 6.75 " 17 .
33 Nº433 Power Amplifi er Rack-Mounting If you need or pref er to rack mo unt yo ur amplifiers contact your Mark Levinson dealer for inform ation about the optional rack mount kit.
3 Oak Park, Bedford, MA, 01730-1413 USA | T elephone: 78 1-280-0300 | Fax: 781 -280-0490 | www .marklevinson .com Customer Service: T elephone: 781-280-0300 | Sa les Fax: 781-280-0495 | Ser vice Fax: 781-280-0499 Product Shipments: 16 Progr e ss Road, Billerica, MA 01 821-5730 USA Part No.
デバイスMark Levinson 433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：
Mark Levinson 433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Mark Levinson 433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。Mark Levinson 433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。Mark Levinson 433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。
Mark Levinson 433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Mark Levinson 433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、Mark Levinson 433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Mark Levinson 433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。
