UBS Axcera 325A 500-Watt VHF Low-band Television Transmitter User Manual

UBS-Axcera 500-Watt VHF Low-band Television Transmitter Title Page

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Table of Contents

500-Watt VHF Low Band Transmitter Table of Contents325A, Rev. 0 i August 1, 2002TABLE OF CONTENTSCHAPTER 1 INTRODUCTION SECTION PAGE1.1 Manual Overview ..................................................................................1-11.2 Assembly Designation Procedure ............................................................1-11.3 Safety .................................................................................................1-11.4 Maintenance.........................................................................................1-21.5 Material Return Procedure......................................................................1-21.6 Warranty for Axcera Products – Limited One-Year Warranty ......................1-3CHAPTER 2 SYSTEM DESCRIPTION2.1 System Overview..................................................................................2-12.2 Control and Status................................................................................2-22.2.1 VHF Exciter Tray..........................................................................2-32.2.2 VHF Amplifier Tray.......................................................................2-62.3 Input and Remote Connections...............................................................2-72.4 AC Input............................................................................................2-10CHAPTER 3 CIRCUIT DESCRIPTIONS3.1 Low-Band VHF Exciter ...........................................................................3-13.1.1 Aural IF Synthesizer Board, 4.5 MHz..............................................3-13.1.2 Sync Tip Clamp/Modulator Board...................................................3-23.1.3 Delay Equalizer Board ..................................................................3-53.1.4 IF Carrier Oven Oscillator Board ....................................................3-63.1.5 ALC Board, NTSC.........................................................................3-73.1.6 IF Phase Corrector Board............................................................3-133.1.7 VHF Mixer/Amplifier Enclosure Assembly ......................................3-153.1.8 Transmitter Control Board...........................................................3-163.1.9 Visual/Aural Metering Board........................................................3-213.1.10 Channel Oscillator Assembly, Dual Oven.....................................3-233.1.11 EEPROM FSK Identifier Board ....................................................3-233.1.12 IF Attenuator Board..................................................................3-243.2 VHF Low-Band Amplifier Trays..............................................................3-243.3 Bandpass Filter Assembly ....................................................................3-28CHAPTER 4 INSTALLATION AND SETUP PROCEDURES4.1 Site Considerations ...............................................................................4-14.2 Unpacking the Cabinets and Trays ..........................................................4-44.3 Installing the Cabinets and Trays............................................................4-54.4 Setup and Operation .............................................................................4-6CHAPTER 5 DETAILED ALIGNMENT PROCEDURES5.1 Low-Band VHF Exciter Tray with Baseband Video and Audio Inputs ............5-15.2 VHF Exciter Tray with 4.5-MHz Composite Input Kit..................................5-15.3 VHF Exciter Tray with Either Baseband or 4.5-MHz Composite Input...........5-25.4 IF Phase Corrector Adjustment...............................................................5-3
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Document ID265271
Application IDx4m/3vp4IYWlMuqAIdiA0Q==
Document DescriptionTable of Contents
Short Term ConfidentialNo
Permanent ConfidentialNo
SupercedeNo
Document TypeUser Manual
Display FormatMicrosoft Word - pdf
Filesize2.46kB (30721 bits)
Date Submitted2002-08-23 00:00:00
Date Available2002-10-16 00:00:00
Creation Date2002-08-23 10:42:11
Producing SoftwareAcrobat Distiller 4.0 for Windows
Document Lastmod2002-08-23 10:42:13
Document TitleTable of Contents
FCC ID Filing: OUS325A

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