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BW Broadcast TX1000 - User Manual

BW Broadcast TX1000
56 pages
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TX1000 / TX1500
FM Broadcast Transmitter
No part of this manual may be re-produced in any form without prior written permission from BW Broadcast.
The information and specifications contained in this document is subject to change at any time without notice.
Copyright 2012 BW Broadcast
www.bwbroadcast.com
Technical Manual
v2.1
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Summary

Introduction

TX1000+;1500+ FM TRANSMITTER

Overview of the BW Broadcast TX1000+/1500+ FM transmitter's features and capabilities.

WARRANTY

Details the manufacturer's warranty terms, conditions, and claim procedures for the transmitter.

SAFETY

Critical safety precautions for operating the FM broadcast transmitter, including electrical and RF hazards.

Quick set-up guide

Step-by-step guide for quickly setting up the transmitter for basic operation.

FRONT AND REAR PANELS

Identification and description of all connectors, controls, and indicators on the front and rear panels.

CONTROL AND MONITOR LCD

Description of the front panel LCD graphics display screens for monitoring and control.

Installation and Setup

FREQUENCY SETUP

Instructions on how to set the transmitter's operating frequency using internal switches or the front panel.

R.F. POWER SETUP

Guidance on adjusting and controlling the RF output power of the transmitter.

ALARMS

Explanation of the transmitter's alarm system, including RF Power, PLL Lock, and Modulation Failure.

RS232 CONTROL AND MONITORING

Procedures for controlling and monitoring the transmitter remotely via RS232 interface.

Windows application

Using the Windows Remote Control application for transmitter monitoring and control.

Terminal control of the transmitter

Connecting and operating the transmitter using a standard serial terminal program.

MODES OF OPERATION

Overview of different operational modes and how to configure them using jumpers and switches.

A guide to the hardware settings

Explanation of internal jumpers and DIP switches for configuring hardware settings and modes.

ADVANCED SETUP PROCEDURE

Detailed steps for advanced transmitter setup and calibration without external test equipment.

OTHER SETUP CONSIDERATIONS

Additional setup considerations, including loopthrough connections and frequency fine-tuning.

Technical Data

SPECIFICATIONS

Comprehensive technical specifications for the TX1000/TX1500 FM Broadcast Transmitter.

CIRCUIT DESCRIPTION

Detailed explanation of the transmitter's internal circuitry and electronic components.

COMBO BOARD

Details the Combo board's circuitry, including audio limiter and stereo encoder functions.

Exciter Description

Explains the exciter section, covering frequency determination and amplification stages.

LCD CONTROL BOARD

Focuses on the LCD control board, its microcontroller, display, and interface functions.

POWER AMPLIFIER BOARD

Describes the Power Amplifier board, including PSU interface, bus bar, and fan connections.

PA 15 W driver board

Details the PA 15W driver board, including RF signal path and impedance matching.

Double Pallet

Explains the double pallet amplifier stages, bias control, and output distribution.

BLOCK DIAGRAM

Visual block diagram illustrating the transmitter's internal signal flow and component connections.

WIRING AND INTERNAL OVERVIEW

Overview of the transmitter's internal wiring layout and component placement.

SCHEMATICS

Detailed schematic diagrams of the transmitter's electronic sections.

DSP Limiter section

Schematic for the DSP Limiter section of the combo board.

Stereo encoder section

Schematic diagram for the stereo encoder section of the combo board.

PLL exciter section

Schematic detailing the PLL exciter section, including frequency control and loop filter.

Digital Input section

Schematic for the digital audio input section, covering AES/EBU interface.

PARTS LIST

Comprehensive list of all parts used in the transmitter's various boards and assemblies.

Combo board

List of components for the Combo board.

LCD control board

Component list for the LCD control board.

PSU Interface

Parts list for the PSU Interface board.

Bus Bar board

Component list for the Bus Bar board.

Fan connector board

Parts list for the Fan connector board.

D to IDC board

Component list for the D to IDC board.

Controller board

List of components for the Controller board.

15 W Driver

Parts list for the 15W Driver board.

Double Pallet

Component list for the Double Pallet amplifier.

Output Combiner

Parts list for the Output Combiner section.

BW Broadcast TX1000 Specifications

General IconGeneral
Power Output1000 W
Frequency Range87.5 - 108 MHz
ModulationFM
CoolingForced Air
Dimensions19" x 3.5" x 16"
RF Output Power1000 W
RF Output ConnectorN-type
MPX InputBNC
Output Power1000 W
Input ConnectorXLR, RCA
Output ConnectorN-type
Power SupplyInternal
Audio InputsXLR, RCA
Audio InputXLR, RCA
Power Requirements220-240 V AC

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