UBS Axcera LU500AL 500-Watt UHF Translator User Manual 382662

UBS-Axcera 500-Watt UHF Translator 382662

Table of Contents Exciter

Analog UHF Driver/Translator Table of Contents LX Series, Rev. 0 August 29, 2003 iTABLE OF CONTENTS SECTION PAGE CHAPTER 1 INTRODUCTION 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 System Overview ............................................................................... 2-1 2.1.1 Receiver Tray............................................................................. 2-2 2.1.2 IF Processor Module.................................................................... 2-3 2.1.3 LO/Upconverter Module............................................................... 2-5 2.1.4 Control & Monitoring/Power Supply Module.................................... 2-7 2.1.5 Power Amplifier Module ............................................................... 2-8 2.1.6 RF Output Assemblies ................................................................. 2-9 2.2 Control and Status............................................................................... 2-9 2.2.1 Front Panel LCD Display Screen...................................................2-10 2.3 System Operation...............................................................................2-10 2.3.1 Principles of Operation ...............................................................2-11 2.4 Customer Remote Connections.............................................................2-12 CHAPTER 3 SITE CONSIDERATIONS, INSTALLATION AND SETUP PROCEDURES 3.1 Site Considerations.............................................................................. 3-1 3.2 Unpacking the Chassis w/Modules and Receiver Tray ............................... 3-4 3.3 Installing the Chassis w/Modules and Receiver Tray ................................. 3-4 3.4 AC Input ............................................................................................ 3-6 3.5 Setup and Operation............................................................................ 3-6 3.5.1 Input Connections ...................................................................... 3-7 3.5.2 Front Panel Screens for the Exciter/Amplifier Chassis Assembly ........ 3-9 CHAPTER 4 CIRCUIT DESCRIPTIONS 4.1 Receiver Tray...................................................................................... 4-1 4.1.1 50-Ohm Filter ............................................................................ 4-1 4.1.2 Dual Stage Amplifier Assembly..................................................... 4-1 4.1.3 Channel Filter ............................................................................ 4-1 4.1.4 Downconverter Amplifier Assembly ............................................... 4-2 4.1.5 Channel Oscillator Assembly ........................................................ 4-2 4.1.6 x8, x2, x4 Multiplier Board........................................................... 4-2 4.1.7 L.O. Filter .................................................................................. 4-2 4.1.8 IF Filter/ALC Board ..................................................................... 4-2 4.1.9 SAW Board (Optional) ................................................................. 4-2 4.1.10 IF Amplifier Board (Optional)...................................................... 4-3 4.1.11 IF Filter/Limiter Board (Optional) ................................................ 4-3 4.1.12 IF PLL Board (Optional) ............................................................. 4-3 4.1.13 IF Carrier Oven Oscillator (Optional) ........................................... 4-3
Analog UHF Driver/Translator Table of Contents LX Series, Rev. 0 August 29, 2003 ii TABLE OF CONTENTS - (Continued) SECTION ...............................................................................................PAGE 4.1.14 +/- 12V Power Supply Board...................................................... 4-4 4.2 IF Processor Module............................................................................. 4-4 4.2.1 IF Processor Board ..................................................................... 4-4 4.3 LO/Upconverter Module.......................................................................4-10 4.3.1 UHF Generator Board.................................................................4-10 4.3.2 UHF Filters................................................................................4-11 4.3.3 LO/Upconverter Board ...............................................................4-11 4.4 Control Monitoring/Power Supply Module...............................................4-15 4.4.1 Power Protection Board ..............................................................4-16 4.4.2 Control Board ...........................................................................4-16 4.4.3 Switch Board ............................................................................4-19 4.4.4 Switching Power Supply Assembly ...............................................4-19 4.5 Power Amplifier Module Assembly.........................................................4-19 4.5.1 1-Watt Amplifier Module Assembly...............................................4-19 4.5.2 1-Watt UHF Amplifier Board ........................................................4-19 4.5.3 40 Watt UHF Amplifier Assembly .................................................4-20 4.5.4 UHF Module Assembly, RF Module Pallet .......................................4-20 4.5.5 Coupler Board Assembly.............................................................4-21 4.5.6 Amplifier Control Board ..............................................................4-21 CHAPTER 5 DETAILED ALIGNMENT PROCEDURES Module Replacement................................................................... 5-1 Initial Test Setup........................................................................ 5-1 5.1 UHF/VHF Receiver Tray......................................................................... 5-2 5.1.1 UHF Filter .................................................................................. 5-2 5.1.2 Dual Stage Amplifier Board .......................................................... 5-2 5.1.3 UHF Filter .................................................................................. 5-2 5.1.4 Channel Oscillator Assembly ........................................................ 5-2 5.1.5 x8, x4, x2 Multiplier Board........................................................... 5-3 5.1.6 UHF Filter .................................................................................. 5-4 5.1.7 Downconverter Amplifier Board .................................................... 5-4 5.1.8 IF Filter/ALC Board ..................................................................... 5-4 5.1.9 SAW Filter Board (Optional) ......................................................... 5-4 5.1.10 +/- 12V Power Supply............................................................... 5-4 5.1.11 IF Carrier Oscillator Board (Optional)........................................... 5-4 5.1.12 IF Filter/Limiter Board ............................................................... 5-4 5.1.13 IF PLL Board (Optional) ............................................................. 5-4 5.1.14 IF Amplifier Board, High Gain (Optional) ...................................... 5-5 5.2 Innovator LX Series Exciter/Amplifier Chassis Assembly ........................... 5-6 5.2.1 Linearity Correction Adjustment ................................................... 5-6 5.2.2 Frequency Response Delay Equalization Adjustment ....................... 5-7 5.2.3 Calibration of Output Power and Reflected Power............................ 5-7 5.3 Alignment Procedure for the Band-pass Filter Assembly ......................... 5-8 APPENDICES APPENDIX A SYSTEM SPECIFICATIONS APPENDIX B DRAWINGS AND PARTS LISTS
Analog UHF Driver/Translator Table of Contents LX Series, Rev. 0 iiiLIST OF FIGURES FIGURE PAGE 3-1 1 kW Minimum Ventilation Configuration ......................................... 3-4 3-2 Tray Slide Cabinet Mounting Diagram.............................................. 3-5 3-3 Front and Rear View Reconnection Drawing ..................................... 3-6 3-4 Rear View of Innovator LX Series UHF Translator.............................. 3-7 5-1 Typical Red Field Spectrum............................................................ 5-7
Analog UHF Driver/Translator Table of Contents LX Series, Rev. 0 ivLIST OF TABLES TABLE PAGE 2-1 10-100W Innovator LX Series Translator Assemblies and Tray ........... 2-1 2-5 Receiver Samples ......................................................................... 2-2 2-6 IF Processor Front Panel Switch...................................................... 2-4 2-7 IF Processor Front Panel Status Indicators ....................................... 2-4 2-8 IF Processor Front Panel Control Adjustments .................................. 2-4 2-9 IF Processor Front Panel Sample .................................................... 2-4 2-10 LO/Upconverter Front Panel Switch................................................. 2-6 2-11 LO/Upconverter Front Panel Status Indicators .................................. 2-6 2-12 LO/Upconverter Front Panel Control Adjustments ............................. 2-6 2-13 LO/Upconverter Front Panel Samples .............................................. 2-6 2-14 Controller/Power Supply Front Panel Display .................................... 2-7 2-15 Controller/Power Supply Front Panel Status Indicators ...................... 2-7 2-16 Controller/Power Supply Front Panel Control Adjustments.................. 2-7 2-17 Power Amplifier Front Panel Status Indicators .................................. 2-9 2-18 Power Amplifier Front Panel Control Adjustments.............................. 2-9 2-19 Power Amplifier Front Panel Sample................................................ 2-9 2-22 VHF Television Frequencies...........................................................2-11 2-23 UHF Television Frequencies...........................................................2-11 2-25 Innovator LX Series Chassis Customer Remote Connections..............2-13 3-1 Rear Chassis Connections for Receiver Tray ..................................... 3-7 3-2 Rear Chassis Connections for LX Series Translators (driver) ............... 3-7 3-3 Menu 01 Splash Screen #1 ............................................................ 3-9 3-4 Menu 02 Splash Screen #2 ............................................................ 3-9 3-5 Menu 10 Main Screen.................................................................... 3-9 3-6 Menu 11 Error List Screen ............................................................3-10 3-7 Menu 12 Translator Device Data Access Screen ...............................3-10 3-8 Menu 13 Translator Configuration Access Screen .............................3-10 3-9 Menu 20 Error List Display Screen .................................................3-10 3-10 Menu 30 Translator Device Details Screen ......................................3-10 3-11 Translator Device Parameters .......................................................3-12 3-12 Menu 40 Translator Set Up: Power Raise/Lower Screen ....................3-13 3-13 Menu 40-1 Translator Set Up: Xltr. Model Select Screen ...................3-13 3-14 Menu 40-2 Translator Set Up: Frequency Select Screen....................3-13 3-15 Menu 40-3 Translator Set Up: Frequency Table Select Screen ...........3-13 3-16 Menu 40-4 Translator Set Up: IF Frequency Screen .........................3-14 3-17 Menu 40-5 Translator Set Up: Custom Frequency Select Screen ........3-14 3-18 Menu 40-6 Translator Set Up: Serial Address Screen........................3-14 3-19 Menu 40-7 Translator Set Up: Xltr. Visual Power Cal. Screen.............3-14 3-20 Menu 40-8 Translator Set Up: Xltr. Aural Power Cal. Screen..............3-15 3-21 Menu 40-9 Translator Set Up: Xltr. Rfltd. Power Cal. Screen .............3-15 3-22 Menu 40-10 Translator Set Up: Fwd. Power Fault Thresh. Screen ......3-15 3-23 Menu 40-11 Translator Set Up: Rflt. Power Fault Thresh. Screen .......3-15 3-23 Menu 40-12 Translator Set Up: Remote Commands Control..............3-16

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