Onkyo ED-901 User Manual

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ED-901

Dolby surr ound AC-3 Decoder

Instruction Manual

DOLBY SURROUND AC-3 DECODER

INPUT SELECTOR

 

 

 

 

 

 

 

 

OUTPUT CH. MODE

 

 

 

 

 

 

 

ON

ON

10dB

C

S

POWER

 

 

 

PROGRAM STATUS

 

DELAY TIME

CINEMA Re-EQ MIDNIGHT THEATER LEF LEVEL

CENTER

SURROUND

INPUT 1 (VDP)

INPUT 2 (DVD)

L

C

R

LS

RS

 

 

 

 

 

 

AC-3

 

 

 

 

mSEC.

 

 

 

 

 

ON OFF

 

ED-901

 

 

 

 

 

 

 

 

 

CONTENTS

 

Features ................................................

2

Connections .........................................

8

Important Safeguards ...........................

3

Operations ............................................

9

Precautions ..........................................

4

Block Diagram ...................................

13

Introduction .........................................

5

Troubleshooting Guide ......................

14

Speaker Placement ...............................

6

Specifications ....................................

15

Control Positions and Names ..............

7

 

 

 

 

 

 

Onkyo ED-901 User Manual

Thank you for your purchase of the ONKYO ED-901 Dolby Surround AC-3 Decorder.

Please read this manual thoroughly before making connections and plugging in the AC power cord.

Following the instructions in this manual will enable you to obtain optimum performance and maximum listening enjoyment from your new ED-901.

Please retain this manual for future reference.

Features

AC-3 Decorder with Lucas Film Cinema ReEQ

LFE (Low Frequency Effects) Level Control (0dB or -10dB)

Midnight Theater for late night listening at low volume

2-Input (VDP/DVD)

FOR CANADIAN MODEL: (POUR LE MODELE CANADIEN)

• For models having a power cord with a polarized plug CAUTION :TO PREVENT ELECTRIC SHOCK, MATCH WIDE BLADE OF PLUG TOWIDE SLOT, FULLY INSERT.

THIS DIGITAL APPARATUS DOES NOT EXCEED THE CLASS B LIMITS FOR RADIO NOISE EMISSION FROM DIGITAL APPARATUS SET OUT IN THE RADIOINTERFERENCE REGULATIONS OF THE CANADIAN DEPARTMENT OF COMMUNICATIONS.

Sur les modèles dont la fiche est polarisée. ATTENTION: POUR ÉVITER LES CHOCS ÉLECTRI-

QUES, INTRODUIRE LA LAME LA PLUS LARGE DE LA FICHE DANS LA BORNE CORRESPONDANTE DE LA PRISE ET POUSSER JUSQ’AU FOND.

• L'INTERFERENCE, RADIO ELECTRIQUE GENEREE PAR CET APPAREIL NUMERIQUE DE TYPE B NE DEPASSE PAS LES LIMITES ENONCEES DANS LE REGLEMENT SUL LES PERTURBATIONS RADIO ELECTRIQUES, SECTION APPAREIL NUMERIQUE, DU MINISTERE DES COMMUNICATIONS.

ATTENTION FOR BRITISH MODEL

Replacement and mounting of an AC plug on the power supply cord of this unit should be performed only by qualified service personnel.

IMPORTANT: The wires in the mains lead are coloured in accordance with the following code:

Blue: Neutral Brown: Live

As the colours of the wires in the mains lead of this apparatus may not correspond with the coloured markings identifying the terminals in your plug, proceed as follows:

The wire which is coloured blue must be connected to the terminal which is marked with the letter N or coloured black. The wire which is coloured brown must be connected to the terminal which is marked with the letter L or coloured red.

Declaration of Conformity

We, ONKYO EUROPE ELECTRONICS GMBH INDUSTRIESTRASSE 18/20 82110 GERMERING, GERMANY

declare in own responsibility, that the ONKYO product described in this instruction manual is in compliance with the corresponding technical standards such as EN55013, EN55020, EN60555-2, -3 and EN60065

GERMERING,GERMANY

H. YAMAZOE

ONKYO EUROPE ELECTRONICS GMBH

FOR U.S.A. MODEL:

FCC INFORMATION FOR USER CAUTION:

Changes or modifications not expressly approved by the manufacturer for compliance could void the user’s authority to operate the equipment.

NOTE:

This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to Part 15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful interference in a residential installation. This equipment generates, uses, and can radiate radio frequency energy and, if not installed and used in accordance with the instructions, may cause harmful interference to radio communications. However, there is no guarantee that interference will not occur in a particular installation. If this equipment does cause harmful interference to radio or television reception, which can be determined by turning the equipment off and on, the user is encouraged to try to correct the interference by one or more of the following measures:

Reorient or relocate the receiving antenna.

Increase the separation between the equipment and receiver.

Connect the equipment into an outlet on a circuit different from that to which the receiver is connected.

Consult the dealer or an experienced radio/TV technician for help.

The lightning flash with arrowhead symbol, within an equilateral triangle, is intended to alert the user to the presence of uninsulated “dangerous voltage” within the product’s enclosure that may be of sufficient magnitude to constitute a risk of electric shock to persons.

The exclamation point within an equilateral triangle

is intended to alert the user to the presence of important operating and maintenance (servicing) instructions in the literature accompanying the appliance.

WARNING

“TO REDUCE THE RISK OF FIRE OR ELECTRIC SHOCK, DO NOT EXPOSE THIS APPLIANCE TO RAIN OR MOISTURE.”

CAUTION

“TO REDUCE THE RISK OF ELECTRIC SHOCK, DO NOT REMOVE COVER (OR BACK). NO USER-SERVICEABLE PARTS INSIDE. REFER SERVICING TO QUALIFIED SERVICE PERSONNEL.”

CAUTION

RISK OF ELECTRIC SHOCK

DO NOT OPEN

2

Important Safeguards

1.Read Instructions — All the safety and operating instructions should be read before the appliance is operated.

2.Retain Instructions — The safety and operating instructions should be retained for future reference.

3.Heed Warnings — All warnings on the appliance and in the operating instructions should be adhered to.

4.Follow Instructions — All operating and use instructions should be followed.

5.Water and Moisture — The appliance should not be used near water — for example, near a bathtub, washbowl, kitchen sink, laundry tub, in a wet basement; or near a swimming pool, and the like.

6.Carts and Stands — The appliance should be used only with a cart or stand that is recommended by the manufacturer.

6A. An appliance and cart combination should be moved with care. Quick stops, excessive force, and uneven surface may cause the appliance and cart combination to overturn.

PORTABLE CART WARNING

S3125A

 

7. Wall or Ceiling Mounting —

The appliance should be mounted

to a wall or ceiling only as recommended by the manufacturer.

8.Ventilation — The appliance should be situated so that its location or position does not interfere with its proper ventilation. For example, the appliance should not be situated on a bed, sofa, rug, or similar surface that may block the ventilation openings; or if placed in a built-in installation, such as a book case or cabinet that may impede the flow of air through the ventilation openings, there should be free space of at least 20 cm (8 in.) and open up behind the appliance.

9.Heat — The appliance should be situated away from heat sources such as radiators, heat registers, stoves, or other appliances (including amplifiers) that produce heat.

10.Power Sources — The appliance should be connected to a power supply only of the type described in the operating instructions or as marked on the appliance.

11.Polarization — The polarization of the plug is a safety feature. The polarized plug will only fit the outlet one way. If the plug does not fit fully into the outlet, try reversing it. If there is still trouble, the user should seek the services of a qualified electrician. Under no circumstances should the user attempt to defeat the polarization of the plug.

12.Power-Cord Protection — Power-supply cords should be routed so that they are not likely to be walked on or pinched by items placed upon or against them, convenience receptacles, and the point where they exit from the appliance.

13.Cleaning — The appliance should be cleaned only as recommended by the manufacturer.

14.Nonuse Periods — The power cord of the appliance should be unplugged from the outlet when left unused for a long period of time.

15.Object and Liquid Entry — Care should be taken so that objects do not fall and liquids are not spilled into the enclosure through openings.

16. Damage Requiring Service — The appliance should be serviced by qualified service personnel when:

A.The power-supply cord or the plug has been damaged; or

B.Objects have fallen, or liquid has been spilled into the appliance; or

C.The appliance has been exposed to rain; or

D.The appliance does not appear to operate normally or exhibits a marked change in performance; or

E.The appliance has been dropped, or the enclosure damaged.

17.Servicing — The user should not attempt to service the appliance beyond that described in the operating instructions. All other servicing should be referred to qualified service personnel.

3

Precautions

1.Warranty card

The serial number is written on the rear panel of the unit. Write the serial number and model number on your warranty card and keep it in a safe place.

2. Recording Copyright

Recording of copyrighted material for other than personal use is illegal without permission of the copyright holder.

3.AC fuse

The fuse is located inside the chassis and is not user serviceable. If power does not come on, contact your ONKYO service center.

4.Care

From time to time you should wipe off the front and rear panels and the cabinet with a soft cloth. For heavier dirt, dampen a soft cloth in a weak solution of mild detergent and water, wring it out, and wipe away the dirt. Following this, dry immediately with a clean cloth. Do not use rough material, thinners, alcohol or other chemical solvents or cloths since these may damage the finish or remove the panel lettering.

5.Power WARNING

BEFORE PLUGGING IN THE UNIT FOR THE FIRST TIME, READ THE FOLLOWING SECTION CAREFULLY.

Some models are designed for use only with the power supply

voltage of the region where they are sold.

European model:

AC 230 V, 50 Hz

U.S.A. and Canadian models:

AC 120 V, 60 Hz

4

Introduction

Onkyo’s ED-901 Dolby Surround AC-3 Decoder brings your home the excitement of Dolby Surround AC-3 sound effects from your LaserDiscs, etc. that employ the latest Dolby AC-3 technology. The ED-901 consists of an AC-3RF demodulator, an AC-3 decoder, and a Cinema Re-EQ circuit.

An ideal AC-3 home theater system may include either an Onkyo TX-SV919THX or TX-SV828THX surround receiver. These receivers can be connected to the ED-901 through the DB-25 connector.

What is Dolby Surround AC-3?

·Dolby Surround AC-3 is a new-generation digital audio format for multi-channel surround audio. With this digital audio format,you can create a five full-range channel system called a “3/2” channel surround system (left, center, right, and two surround chann els), which is a developed version of the conventional “3/1” channel surround system” (left, center, right, and only one surround ch annel).

·Adding to its five full range channels, Dolby Surround AC-3 supports an LFE (low frequency effect) channel, which is used solye for low frequency sounds independent of the other channels. Dolby Surround AC-3 is sometimes referred to as a “5.1” channel format since this LFE channel is indicated as 0.1.

·This fully discrete 5.1 channel Dolby Surround AC-3 can reproduce sound of wide and dynamic range, changing your room into a home theater.

·Currently, LaserDisc is the only medium that employs the Dolby Surround AC-3 technology. In the near future, however, Dolby Surround AC-3 will be implemented in such media as DVD (Digital Video Disc), CATV (Cable Television), DBS (Direct Broadcasting), and HDTV (High Definition Television).

Dolby Surronud AC-3

Manufactured under license from Dolby Laboratories Licensing Corporation. “Dolby”, “AC-3”, and the double-D symbol are trademar ks of Dolby Laboratories Licensing Corporation.

Copyright 1992 Dolby Laboratories, Inc. All rights reserved.

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