Dolby Laboratories SDU4の取扱説明書

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Summary
  • Dolby Laboratories SDU4 - page 1

    î î î î Model SDU4 Surround Decoder User's Manual Issue 2 Part No. 91413 MAIN ...

  • Dolby Laboratories SDU4 - page 2

    User's Manual Model SDU4 Surr ound Decoder Dolby Laborator ies Incorpor ated U.S. A. 100 Pot r er o A v enue, San F ranc i sco, CA 94103- 4813 Tel : 415- 558- 0200; Fax : 415-863- 1373; W eb: www. d o l b y . c o m U.K. W ootto n Ba s s ett, Wi l ts hire SN4 8QJ Tel : ( 44) 1793- 842100; Fax : (44) 1793-842101 DISCLA IMER OF WA RRA NTIES : Equ ...

  • Dolby Laboratories SDU4 - page 3

    i T ABLE OF CONTENTS SECTION 1–INTRODUCTION ............................................................................................. 1 -1 1.1 The SDU4 ......................................................................................................................... 1 -1 1.2 Specifications .............................................. ...

  • Dolby Laboratories SDU4 - page 4

    1-1 SECTION 1 INTRODUCTION 1.1 The SDU4 The Dolby SDU4 is designed for reference monitoring of Dolby encoded film formats or Dolby Surround program material in broadcast, audio-for- video, and music recording applications. The unit contains a reference 2:4 matrix decoder, like that used in the Dolby monitoring equipment found in film production cen ...

  • Dolby Laboratories SDU4 - page 5

    1-2 1.2 Specifications Layout: Rack-mount unit incorporating a professional surround decoder module, interface circuitry, and power supply. Signal Connections: (on rear panel) Lt (Left Total) and Rt (Right Total) XLR inputs for two-channel encoded signal; Left, Center, Right, and Surround XLR outputs. Additionally, Lt, Rt, and Left, Center, Right, ...

  • Dolby Laboratories SDU4 - page 6

    1-3 1.3 Regulatory Notices UL Troubleshooting must be performed by trained technicians. Do not attempt to service the unit unless you are qualified to do so. WARNING: Check that the units have been set to the correct supply voltage and that the correct fuses have been installed. To reduce the risk of fire, replace the fuses only with the same type ...

  • Dolby Laboratories SDU4 - page 7

    1-4 IMPOR T ANT SAFETY NOTICE This unit complies with the safety standard IEC65. T o ensure safe operation and to guar d against potential shock hazard or risk of fir e, the following must be observed: • Ensure the voltage selector is set to the correct mains voltage for your supply . • Ensure fuses fitted are the correct rating and type as mar ...

  • Dolby Laboratories SDU4 - page 8

    2-1 SECTION 2 INST ALLA TION AND CALIBRA TION 2.1 Monitor Setup Front Loudspeaker Arrangement The SDU4 is designed for monitoring rooms with either two or three front loudspeakers. The choice between using either two or three front loudspeakers depends upon the distance between the Left and Right speakers, (how large the stereo image is) and how th ...

  • Dolby Laboratories SDU4 - page 9

    2-2 Surround Loudspeakers The surround loudspeakers are used to distribute a single channel of sound in a diffuse field behind the viewer. The number of loudspeakers needed, therefore, depends upon the size of the area to be covered. In smaller rooms, such as those used for video production and home surround installations, two loudspeakers generall ...

  • Dolby Laboratories SDU4 - page 10

    2-3 2.2.2 Multi-Voltage SDU4 OPEN THE DOOR SPARE FUSE (UPPER) FUSE ACTIVE FUSE CARRIER (LOWER) FUSE OCTAGONAL PEG ROUND PEG VOLTAGE SELECTOR WHEEL A2F4037 Figure 2.3 Fuse compartment, multi-voltage unit Open the fuse compartment door in the AC mains input connector with a small flat blade screwdriver (see Figure 2.3), and check that the fuse has th ...

  • Dolby Laboratories SDU4 - page 11

    2-4 2.3.1 External Facilities Connector (J503) +24V DC GROUND CHASSIS GROUND SURROUND MONITOR RIGHT MONITOR CENTER MONITOR LEFT MONITOR MONO STEREO DOLBY SURROUND LEFT TOTAL MONITOR RIGHT TOTAL MONITOR REMOTE FADER TOP REMOTE FADER WIPER DC GROUND 20 +15V 19 16 15 18 J503 FEMALE D-CONNECTOR 17 23 7 21 10 9 11 3 4 5 6 12 13 24 2 1 25 14 -15V 22 8 Fi ...

  • Dolby Laboratories SDU4 - page 12

    2-5 controls are on the right-hand module, Cat. No. 344, as shown in Figure 2.5. Figure 2.5 Cat. No. 344 Center Speaker Switch Switch S301 allows the SDU4 to be installed in monitoring rooms that have either two loudspeakers (labeled “center speaker, no”) or three loudspeakers (“yes”). The factory setting is “yes.” While decoding Dolby ...

  • Dolby Laboratories SDU4 - page 13

    2-6 SDU4 OUTPUTS—CENTER LOUDSPEAKER SWITCH SET TO “NO” Mode Left Ri gh t Surround Mono .707 (Lt & Rt) .707 (Lt & Rt) — Stereo L t R t — Dolby Surround L + . 707 ( C) R + .707 (C) S Wake-Up Mode Selection The SDU4 can be set to default to any operating mode when power is first turned on. This is set using the internal jumpers J1/J2 ...

  • Dolby Laboratories SDU4 - page 14

    2-7 The delay setting can be estimated by using the following method: 1. Estimate the distance between the primary listening location and the nearest surround loudspeaker, in feet. If the metric system is used, convert the distance from meters to feet by multiplying by three (3). 2. Estimate the distance from the primary listening location to the f ...

  • Dolby Laboratories SDU4 - page 15

    2-8 The SDU4 contains two four element LED calibration indicators for setting of input level. The two input level potentiometers are set so that reference tone from the signal source, representing the studio’s operating level, is equal to the SDU4’s internal operating level. Any level between –8 dBr and +8 dBr can be set to correspond with th ...

  • Dolby Laboratories SDU4 - page 16

    2-9 R C L S OUTPUT LCRS OFF CSCS NOISE SEQUENCE AUTO MANUAL PINK NOISE Figure 2.9 Pink-noise calibrate functions Output Level Adjustments Output potentiometers are provided so that the decoder output level can be matched to the monitor system. Typically, the SDU4 output level is set using the internal pink noise source. The front panel master level ...

  • Dolby Laboratories SDU4 - page 17

    3-1 SECTION 3 OPERA TION 3.1 Operating Modes and Applications The SDU4 has three modes of normal operation: Mono, Stereo and Dolby Surround. Mono The mono mode combines the Lt and Rt input signals into a single channel and routes it to the Center loudspeaker, if the internal switch S301 is in the "yes" position. If the internal switch is ...

  • Dolby Laboratories SDU4 - page 18

    3-2 The matrix format used on Dolby soundtracks is compatible with both monophonic and conventional stereo playback. Many home viewers have purchased Dolby Surround decoding equipment for use during playback of prerecorded videotape or videodisk program material. These consumer grade decoders are being manufactured by the many companies who are lic ...

  • Dolby Laboratories SDU4 - page 19

    3-3 center channel information. This, in effect, will cause the mono-compatible elements of the mix to appear to always come from the center of the picture. On the other hand, the incompatible elements (those that would cancel if the two input channels were summed) would be reproduced around and behind the listener. This spatial effect is useful as ...

  • Dolby Laboratories SDU4 - page 20

    4-1 SECTION 4 BLOCK DIAGRAM PIN 1 4 = CHASSIS 3 = LO 2 = HI 1 = CHASSIS NC NC NC REMOTE RT R S LT L C POWER-ON MODE SELECT DOLBY AUTO MANUAL 11 TO REMOTE FADER 1 SELECT FADER CONTROL VOLTAGE GEN MUTE A 19 FADER LOCAL AND LOGIC SURROUND DOLBY MONO 22 OUTPUT AMP V 18 AMP OUTPUT U 17 P501 2 3 1 CENTER P502 2 3 1 RIGHT AMP OUTPUT T 16 P503 2 3 1 AMP OU ...

メーカー Dolby Laboratories カテゴリー Home Theater System

Dolby Laboratories SDU4のメーカーから受け取ることができるドキュメントは、いくつかのグループに分けられます。その一部は次の通りです:
- #BRANDの図面#
- SDU4の取扱説明書
- Dolby Laboratoriesの製品カード
- パンフレット
- またはDolby Laboratories SDU4の消費電力シール
それらは全部重要ですが、デバイス使用の観点から最も重要な情報は、Dolby Laboratories SDU4の取扱説明書に含まれています。

取扱説明書と呼ばれる文書のグループは、Dolby Laboratories SDU4の取り付け説明書、サービスマニュアル、簡易説明書、またはDolby Laboratories SDU4のユーザーマニュアル等、より具体的なカテゴリーに分類されます。ご必要に応じてドキュメントを検索しましょう。私たちのウェブサイトでは、Dolby Laboratories SDU4の製品を使用するにあたって最も人気のある説明書を閲覧できます。

関連する取扱説明書

Dolby Laboratories SDU4デバイスの取扱説明書はどのようなものですか?
取扱説明書は、ユーザーマニュアル又は単に「マニュアル」とも呼ばれ、ユーザーがDolby Laboratories SDU4を使用するのを助ける技術的文書のことです。説明書は通常、全てのDolby Laboratories SDU4ユーザーが容易に理解できる文章にて書かれており、その作成者はその分野の専門家です。

Dolby Laboratoriesの取扱説明書には、基本的な要素が記載されているはずです。その一部は、カバー/タイトルページ、著作権ページ等、比較的重要度の低いものです。ですが、その他の部分には、ユーザーにとって重要な情報が記載されているはずです。

1. Dolby Laboratories SDU4の説明書の概要と使用方法。説明書にはまず、その閲覧方法に関する手引きが書かれているはずです。そこにははDolby Laboratories SDU4の目次に関する情報やよくある質問、最も一般的な問題に関する情報を見つけられるはずです。つまり、それらはユーザーが取扱説明書に最も期待する情報なのです。
2. 目次。Dolby Laboratories SDU4に関してこのドキュメントで見つけることができる全てのヒントの目次
3. Dolby Laboratories SDU4デバイスの基本機能を使うにあたってのヒント。 Dolby Laboratories SDU4のユーザーが使い始めるのを助けてくれるはずです。
4. トラブルシューティング。Dolby Laboratories SDU4に関する最も重要な問題を診断し、解決するために役立つ体系化された手続き
5. FAQ。よくある質問
6. 連絡先。一人では問題を解決できない場合に、その国におけるDolby Laboratories SDU4のメーカー/サービスへの連絡先に関する情報。

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