Harris Corporation Constellation™
v
CONTENTS
CHAPTER 10, TROUBLESHOOTING GUIDELINES
Introduction .............................................................................................. 10-1
Harris Premier Customer Web Site ............................................................... 10-1
Things to Do First ...................................................................................... 10-2
Diagnosing Alarm Messages ........................................................................ 10-3
Simultaneous Replacement of Modules ......................................................... 10-3
Glossary of Alarms ..................................................................................... 10-7
CHAPTER 11, FIELD-REPLACEABLE UNITS
Precautions ............................................................................................... 11-1
Electric Parts.......................................................................................... 11-1
Laser and Optical Connectors ................................................................... 11-2
Simultaneous Replacement of Modules ...................................................... 11-2
“Card(s) Not Updated” Minor Alarm ........................................................... 11-2
Tools and Test Equipment ........................................................................... 11-3
General Procedures .................................................................................... 11-3
Opening and Removing the Constellation Doors .......................................... 11-3
Fan Assembly ............................................................................................ 11-5
Removing the Fan Assembly..................................................................... 11-5
Installing the Fan Assembly...................................................................... 11-7
Radio Frequency Section ............................................................................. 11-8
Transmitter Assembly.............................................................................. 11-9
Preparing to Replace the Transmitter Assembly......................................11-10
Removing and Installing the Multiplier-Filter ..........................................11-10
Removing and Installing the 100 MHz OCXO..........................................11-11
Removing the Transmitter Assembly.....................................................11-12
Installing the Transmitter Assembly......................................................11-13
Transmitter Turn-on Procedure ............................................................11-14
MHSB System ...................................................................................11-14
Receiver Assembly .................................................................................11-15
Preparing to Replace the Receiver Assembly ..........................................11-16
Removing and Installing the Multiplier-Filter ..........................................11-16
Removing and Installing the IF Filter ....................................................11-17
Removing the Receiver Assembly.........................................................11-19
MHSB System ...................................................................................11-20
Power Supply ........................................................................................11-21
Power Supply Failure..........................................................................11-22
Removing the Power Supply ................................................................11-22
Installing the Power Supply .................................................................11-22
MHSB System ...................................................................................11-22
Signal Processing Section ...........................................................................11-23
Removing the Modem.........................................................................11-24
Installing the Modem..........................................................................11-25
Repeater System ...............................................................................11-25
MHSB System ...................................................................................11-25
High Level Mux......................................................................................11-26
Removing the High Level Mux (HLM) ....................................................11-26
Installing the HLM..............................................................................11-27
Repeater System ...............................................................................11-27