Harris 880 Series User manual

Delivering the Moment

Instrucon Manual

880 Series

Audio Distribuon Ampliers

Edion I

880 ADA MAN

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880 Series

Audio Distribution Amplifiers

Instruction Manual

Edition I

April 2006

880 Series Audio Distribution Amplifiers Instruction Manual v

Contents

Preface

Manual Information............................................................................................... ix

Unpacking/Shipping Information ........................................................................xii

Standards ............................................................................................................xiii

Chapter 1: 880 Series Mounting Frames

Overview ................................................................................................................ 1

Mounting Requirements ........................................................................................ 2

FR-883 ............................................................................................................ 2

FR-884 ............................................................................................................ 3

Frame Cooling ....................................................................................................... 4

Power Consumption ............................................................................................... 4

884 PS Power Supply ............................................................................................ 5

Cable Harness Support Bracket ............................................................................. 6

Back Panel Pinout Assignments ............................................................................ 7

Back Panel Connections ........................................................................................ 8

Chapter 2: AMD-880 Mono Audio Distribution Amplifier

Module

Overview ................................................................................................................ 9

Chapter 3: APD-880 Programmable Audio Distribution

Amplifier Module

Overview .............................................................................................................. 11

Configuring an APD-880-0 ................................................................................. 12

Chapter 4: ARG-880 Audio Remote Gain Distribution

Amplifier Module

Overview .............................................................................................................. 13

Remote Control Information ............................................................................... 14

vi 880 Series Audio Distribution Amplifiers Instruction Manual

Contents

Chapter 5: ASD-880 Stereo Audio Distribution Amplifier

Module

Overview .............................................................................................................. 15

Chapter 6: ATG-880 Audio Tone

Generator Module

Overview .............................................................................................................. 17

Control Loop ....................................................................................................... 18

Output Stage ......................................................................................................... 18

Chapter 7: 884PS Power Supply Module

Overview .............................................................................................................. 19

Installing the 884PS-48 ....................................................................................... 20

Precautions ................................................................................................... 20

Branch Circuit Schematic ............................................................................. 21

Suggested Protection Devices ...................................................................... 21

Maintaining the 884PS-48 ................................................................................... 22

Power Supply Replacement Fuse Information ............................................. 22

Power Supply Connections ..........................................................................22

Specifications ............................................................................................... 22

Chapter 8: Specifications

Overview .............................................................................................................. 23

FR-883 / FR-884 Mounting Frames ..................................................................... 24

Electrical ....................................................................................................... 24

Mechanical ................................................................................................... 24

AMD-880 Mono Audio Distribution Amplifier Module .................................... 25

Input ............................................................................................................. 25

Output ........................................................................................................... 25

Performance ................................................................................................. 25

AMD-880 Mono Audio Distribution Amplifier Module (600Ω Impedance) ..... 26

Input ............................................................................................................. 26

Output ........................................................................................................... 26

Performance ................................................................................................. 26

APD-880 Programmable Audio Distribution Amplifier Module ........................ 27

Input ............................................................................................................. 27

Output ........................................................................................................... 27

Performance ................................................................................................. 27

APD-880 Programmable Audio Distribution Amplifier Module (600Ω Impedance)

28

Input ............................................................................................................. 28

Output ........................................................................................................... 28

Performance ................................................................................................. 28

ARG-880 Audio Remote Gain Distribution Amplifier Module .......................... 29

Input ............................................................................................................. 29

Output ........................................................................................................... 29

Performance ................................................................................................. 29

ASD-880 Stereo Audio Distribution Amplifier Module ..................................... 30

Input ............................................................................................................. 30

880 Series Audio Distribution Amplifiers Instruction Manual vii

Contents

Output ........................................................................................................... 30

Performance ................................................................................................. 30

ASD-880 Stereo Audio Distribution Amplifier Module (600Ω Impedance) ...... 31

Input ............................................................................................................. 31

Output ........................................................................................................... 31

Performance ................................................................................................. 31

ATG-880 Audio Tone Generator Module ........................................................... 32

Appendix A: Safety Precautions, Certifications, and

Compliances

Safety Terms and Symbols in this Manual .......................................................... 34

Preventing Electrostatic Discharge ...................................................................... 35

EMC and Safety Standards .................................................................................. 38

EMC Standards ............................................................................................ 38

Additional EMC Information ....................................................................... 39

Safety Standards ........................................................................................... 40

Index

Keywords ............................................................................................................. 41

viii 880 Series Audio Distribution Amplifiers Instruction Manual

Contents

880 Series Audio Distribution Amplifiers Instruction Manual ix

Preface

Manual Information

Purpose

This manual details the features, installation, operation, maintenance, and

specifications for the 880 series audio distribution amplifers.

Audience

This manual is written for technicians and operators responsible for installation,

setup, maintenance, and/or operation of the product, and is useful to operations

personnel for purposes of daily operation and reference.

Revision History

Table P-1. Manual Revision History

Edition Date Comments

Edition D March 2001

•Changed format

• Removed Theory of Operation and

schematics

• Consolidated Specifications into one

separate chapter

Edition E October 2001 Made changes to figure illustrating

FR-883/FR-884 back panel connections

Edition F November 2002 Added configuration information for

APD-880-0

Edition G August 2003 Added specifications for ASD-880-GR stereo

audio distribution amplifier module

Edition H June 2004 Made changes to figure illustrating FR-882-M

back panel connections

x 880 Series Audio Distribution Amplifiers Instruction Manual

Preface

Applications

The 880 series platform is ideal for space-constrained operations demanding

full local and remote control capabilities in a routing solution.

880 series products are perfect for

• Television production facilities

• Cable operators

• Production and post-production facilities

• Outside broadcast vans/trucks

• DBS satellite operations

• Webcasters

Writing Conventions

To enhance your understanding, the authors of this manual have adhered to the

following text conventions:

Edition I April 2006 Removed information on obsolete products:

• FR-881 and FR-882 mounting frames

• 882 power supply

• ADA-815 audio distribution amplifier

• ADA-880 audio distribution amplifier

• ADA-881 audio distribution amplifier

• ADA-882 stereo audio distribution amplifier

• ADA-883 stereo audio distribution amplifier

• ADA-885 mono / stereo audio distribution

amplifier

• APD-880-3, -4, -5 programmable audio

distribution amplifiers

Table P-1. Manual Revision History (Continued)

Edition Date Comments

Table P-2. Writing Conventions

Term or

Convention

Description

Bold Indicates dialog boxes, property sheets, fields, buttons, check

boxes, list boxes, combo boxes, menus, submenus, windows,

lists, and selection names

Italics Indicates email addresses, the names of books or publications,

and the first instances of new terms and specialized words that

need emphasis

CAPS Indicates a specific key on the keyboard, such as ENTER, TAB,

CTRL, ALT, or DELETE

Code Indicates variables or command-line entries, such as a DOS

entry or something you type into a field

880 Series Audio Distribution Amplifiers Instruction Manual xi

Preface

Obtaining Documents

Technical documents can be viewed or downloaded from our website.

Alternatively, contact your Customer Service representative to request a

document.

> Indicates the direction of navigation through a hierarchy of

menus and windows

hyperlink Indicates a jump to another location within the electronic

document or elsewhere

Internet address

Indicates a jump to a Web site or URL

Note

Indicates important information that helps to avoid and

troubleshoot problems

Table P-2. Writing Conventions (Continued)

Term or

Convention

Description

xii 880 Series Audio Distribution Amplifiers Instruction Manual

Preface

Unpacking/Shipping Information

Unpacking a Product

This product was carefully inspected, tested, and calibrated before shipment to

ensure years of stable and trouble-free service.

1. Check equipment for any visible damage that may have occurred during

transit.

2. Confirm that you have received all items listed on the packing list.

3. Contact your dealer if any item on the packing list is missing.

4. Contact the carrier if any item is damaged.

5. Remove all packaging material from the product and its associated

components before you install the unit.

Keep at least one set of original packaging, in the event that you need to return a

product for servicing.

Returning a Product

In the unlikely event that your product fails to operate properly, please contact

Customer Service to obtain a Return Authorization (RA) number, then send the

unit back for servicing.

Keep at least one set of original packaging in the event that a product needs to

be returned for service. If the original package is not available, you can supply

your own packaging as long as it meets the following criteria:

• The packaging must be able to withstand the product’s weight.

• The product must be held rigid within the packaging.

• There must be at least 2 in. (5 cm) of space between the product and the

container.

• The corners of the product must be protected.

Ship products back to us for servicing prepaid and, if possible, in the original

packaging material. If the product is still within the warranty period, we will

return the product prepaid after servicing.

880 Series Audio Distribution Amplifiers Instruction Manual xiii

Preface

Standards

Appendix A: “Safety Precautions, Certifications, and Compliances” contains

product compliance and safety standards.

Restriction on Hazardous Substances (RoHS) Compliance

Directive 2002/95/EC—commonly known as the European Union (EU)

Restriction on Hazardous Substances (RoHS)—sets limits on the use of certain

substances found in electrical and electronic equipment. The intent of this

legislation is to reduce the amount of hazardous chemicals that may leach out of

landfill sites or otherwise contaminate the environment during end-of-life

recycling. The Directive, which took effect on July 1, 2006, refers to the

following hazardous substances:

• Lead (Pb)

• Mercury (Hg)

• Cadmium (Cd)

• Hexavalent Chromium (Cr-V1)

• Polybrominated Biphenyls (PBB)

• Polybrominated Diphenyl Ethers (PBDE)

According to this EU Directive, all products sold in the European Union will be

fully RoHS-compliant and “lead-free.” (See our website for more information

on dates and deadlines for compliance.) Spare parts supplied for the repair and

upgrade of equipment sold before July 1, 2006 are exempt from the legislation.

Equipment that complies with the EU directive will be marked with a

RoHS-compliant emblem, as shown in Figure P-1.

Figure P-1. RoHS Compliance Emblem

Waste from Electrical and Electronic Equipment

(WEEE) Compliance

The European Union (EU) Directive 2002/96/EC on Waste from Electrical and

Electronic Equipment (WEEE) deals with the collection, treatment, recovery,

and recycling of electrical and electronic waste products. The objective of the

WEEE Directive is to assign the responsibility for the disposal of associated

hazardous waste to either the producers or users of these products. Effective

August 13, 2005, producers or users will be required to recycle electrical and

electronic equipment at end of its useful life, and may not dispose of the

equipment in landfills or by using other unapproved methods. (Some EU

member states may have different deadlines.)

xiv 880 Series Audio Distribution Amplifiers Instruction Manual

Preface

In accordance with this EU Directive, companies selling electric or electronic

devices in the EU will affix labels indicating that such products must be

properly recycled. (See our website for more information on dates and deadlines

for compliance.) Contact your local sales representative for information on

returning these products for recycling. Equipment that complies with the EU

directive will be marked with a WEEE-compliant emblem, as shown in Figure

P-2.

Figure P-2. WEEE Compliance Emblem

880 Series Audio Distribution Amplifiers Instruction Manual xv

Preface

Safety

Carefully review all safety precautions to avoid injury and prevent damage to

this product or any products connected to it. You will find a complete list of

safety precautions in Appendix A. Any user-serviceable components (such as

fuses or batteries) are only replaceable by those components listed in the

manual.

IMPORTANT! Only qualified personnel should perform service procedures.

Safety Terms and Symbols in this Manual

WARNING

Statements identifying conditions or practices

that may result in personal injury or loss of life.

High voltage is present.

CAUTION

Statements identifying conditions or practices

that can result in damage to the equipment or

other property.

xvi 880 Series Audio Distribution Amplifiers Instruction Manual

Preface

880 Series Audio Distribution Amplifiers Instruction Manual 1

Preliminary—Contents are proprietary and confidential. Do not photocopy or distribute.

Chapter 1

880 Series Mounting Frames

Overview

The 880 series, 8-output audio distribution amplifiers meet the most demanding

requirements for AM/FM/TV broadcast and program production systems.

Heading the list of the amplifier’s exceptional performance characteristics is the

100 dB S/N ratio. Flat frequency response, carefully controlled roll-off and very

low distortion ensure a virtually transparent transmission path.

The amplifier’s input is overvoltage protected up to 120 volts AC or DC. The

transformerless, balanced input is normally bridging, but can be terminated by

installing a suitable resistor. Unbalanced input is converted to balanced output.

Isolation between modules in the mounting frame is better than 100 dB over the

entire audio frequency band.

The modular concept with two fully wired mounting frame options facilitates

system design. The options are as follows:

• The FR-883 and FR-884 mounting frames accept up to twelve 880 series

audio distribution amplifier modules.

• The FR-883 frame accepts one 884PS power supply, while the FR-884

frame accepts two 884PS power supplies. A fully loaded FR-884 frame will

operate with a single power supply; however, we recommend that a second

optional power supply be included for cooler operation and power

redundancy.

• The high efficiency, shielded switching power supply accepts line inputs

from 90 to 135 VAC without changing transformer taps.

2 880 Series Audio Distribution Amplifiers Instruction Manual

Chapter 1: 880 Series Mounting Frames

Preliminary—Contents are proprietary and confidential. Do not photocopy or distribute.

Mounting Requirements

All Leitch equipment is carefully inspected and calibrated before shipment to

ensure years of stable and trouble-free service.

•Review “Unpacking/Shipping Information” on page xii in the Preface to

this manual.

• Inspect the equipment for any visible damage which may have occurred

during transit before installation.

• Make sure that all modules are properly seated in the mounting frame.

The mounting requirements of the 880 series frame options are as follows.

FR-883

The FR-883 mounting frame requires 1 unit of rack space: 1¾ in. (44 mm) high

× 19 in. (483 mm) wide × 11 in. (280 mm) deep. This frame can house 4

modules.

Figure 1-1. FR-883

Figure 1-2. FR-883 Back Panel

880 Series Audio Distribution Amplifiers Instruction Manual 3

Chapter 1: 880 Series Mounting Frames

Preliminary—Contents are proprietary and confidential. Do not photocopy or distribute.

FR-884

The FR-884 mounting frame requires 2 units of rack space: 3½ in. (88 mm)

high × 19 in. (483 mm) wide × 11 in. (280 mm) deep. This frame can house 12

modules.

Figure 1-3. FR-884

Figure 1-4. FR-884 Back Panel

4 880 Series Audio Distribution Amplifiers Instruction Manual

Chapter 1: 880 Series Mounting Frames

Preliminary—Contents are proprietary and confidential. Do not photocopy or distribute.

Frame Cooling

The equipment is designed to operate in an ambient temperature range of 32°F –

122°F (0°C – 50°C). No special cooling arrangements are necessary, but you

should take steps to prevent excessive ambient heat rise in closed, unventilated

equipment racks.

Power Consumption

The FR-883 mounting frame accepts one 884PS power supply. The FR-883

frame power consumption is nominally 25VA.

The FR-884 mounting frame accepts one 884PS power supply. The frame is

prewired to accept a second optional power supply for power backup. The

FR-884 frame power consumption is nominally 65VA. A fully loaded frame

will operate with a single power supply; however, we recommend that a second

optional power supply be included for cooler operation and power redundancy.

To prevent electric shock, do not use the (polarized)

plug with an extension cord, receptacle, or other outlet

unless the blades can be fully inserted to prevent blade

exposure.

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Harris 880 Series User manual

Harris 880 Series User manual

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