System Description

LX Series Power Amplifier Assembly Table of Contents
LX Series, Rev. 0 November 25, 2003 i
TABLE OF CONTENTS
CHAPTER 1 INTRODUCTION
SECTION PAGE
1.1 Manual Overview................................................................................. 1-1
1.2 Assembly Designation Numbers ............................................................ 1-1
1.3 Safety................................................................................................ 1-1
1.4 Maintenance ....................................................................................... 1-2
1.5 Material Return Procedure .................................................................... 1-2
1.6 Limited One-Year Warranty for Axcera Products ...................................... 1-3
CHAPTER 2 SYSTEM DESCRIPTION & REMOTE CONTROL CONNECTIONS
2.1 LX Series Power Amplifier Assembly Overview........................................ 2-1
2.1.1 Power Amplifier Module, 250 Watt ................................................ 2-1
2.1.2 Power Supply Module Assembly.................................................... 2-3
2.1.3 Front Panel LCD Display Screens .................................................. 2-3
2.2 System Operation................................................................................ 2-3
2.2.1 Principles of Operation ................................................................ 2-4
2.3 Customer Remote Connections.............................................................. 2-5
CHAPTER 3 SITE CONSIDERATIONS, INSTALLATION AND SETUP PROCEDURES
3.1 Site Considerations.............................................................................. 3-1
3.2 Unpacking the Chassis w/Modules, bandpass and trap filters..................... 3-4
3.3 Installing the Chassis w/Modules and filters ............................................ 3-4
3.4 AC Input ............................................................................................ 3-5
3.5 Setup and Operation............................................................................ 3-5
3.5.1 Input Connections ...................................................................... 3-5
3.5.2 Front Panel Screens for the Exciter/Amplifier Chassis Assembly ........ 3-7
3.5.3 Initial Turn On ..........................................................................3-14
CHAPTER 4 CIRCUIT DESCRIPTIONS
4.1 Power Amplifier Module ........................................................................ 4-1
4.1.1 UHF Phase/Gain Board ................................................................ 4-1
4.1.2 150 Watt Driver Pallet Assembly .................................................. 4-1
4.1.3 150 Watt Driver, Dual Output Board ............................................. 4-1
4.1.4 UHF Module Assembly, RF Module Pallet, Philips ............................. 4-2
4.1.5 2 Way UHF Combiner Assembly.................................................... 4-2
4.1.6 Amplifier Control Board ............................................................... 4-3
4.2 Power Supply Assembly ....................................................................... 4-5
CHAPTER 5 DETAILED ALIGNMENT PROCEDURES
5.1 Module Replacement............................................................................ 5-1
5.1.1 Initial Test Setup........................................................................ 5-1
5.2 Innovator LX Series Exciter/Amplifier Chassis Assembly ........................... 5-2
5.2.1 Linearity Correction Adjustment ................................................... 5-3
5.2.2 Frequency Response Delay Equalization Adjustment ....................... 5-4
5.2.3 Calibration of Forward Output Power Level..................................... 5-4
5.2.4 Calibration of Reflected Output Power Level ................................... 5-5
5.3 Bandpass Filter Assembly ..................................................................... 5-5