UBS-Axcera LHV60ATD Manual Do Utilizador
Digital VHF HB Driver/Transmitter
Table of Contents
w/Axciter Modulator
LX Series, Digital, Rev. 0
November 15, 2007
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 ..................................................................................................1-2
1.4 Contact Information ......................................................................... 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
2.0 System Overview ..................................................................................2-1
2.1 Exciter Amplifier Chassis Assembly..........................................................2-1
2.1.1 Control & Monitoring/Power Supply Module .....................................2-2
2.1.2 Driver Power Amplifier Module, VHF, DTV .......................................2-3
2.1.2.1 Power Amplifier Module, DTV/DVB, VHF.................................2-5
2.2 RF Output Assemblies ............................................................................2-6
2.2.1 Pre-Filter Sample and Post-Filter Sample ........................................2-7
2.3 Control and Status.................................................................................2-7
2.3.1 Front Panel LCD Display Screen .....................................................2-7
2.4 System Operation..................................................................................2-7
2.4.1 Principles of Operation ..................................................................2-7
2.5 Maintenance .........................................................................................2-8
2.6 Customer Remote Connections ......................................................... 2-9
CHAPTER 3 SITE CONSIDERATIONS, INSTALLATION AND SETUP PROCEDURES
3.1 Site Considerations................................................................................3-1
3.2 Unpacking the Chassis w/Modules ...........................................................3-5
3.3 Installing the Chassis w/Modules.............................................................3-5
3.4 AC Input...............................................................................................3-6
3.5 Setup and Operation..............................................................................3-7
3.5.1 Input Connections ........................................................................3-7
3.5.2 Initial Turn On .............................................................................3-8
3.5.2.1 Axciter Upconverter Module LEDs on Front Panel ....................3-8
3.5.2.2 Controller Module LEDs on Front Panel ..................................3-9
3.5.2.3 Driver Power Amplifier Module LEDs on Front Panel ................3-9
3.5.3 Front Panel Screens for the Driver/Amplifier Chassis Assembly..........3-9
3.5.4 Operational Procedure ................................................................3-15
CHAPTER 4 CIRCUIT DESCRIPTIONS
4.1 Control Monitoring/Power Supply Module .................................................4-1
4.1.1 Power Protection Board .................................................................4-1
4.1.2 Control Board ..............................................................................4-2
4.1.2.1 Schematic Page 1................................................................4-2
4.1.2.2 Schematic Page 2................................................................4-3
4.1.2.3 Schematic Page 3................................................................4-3
4.1.2.4 Schematic Page 4................................................................4-3
4.1.2.5 Schematic Page 5................................................................4-3
4.1.3 Switch Board ...............................................................................4-4