Andrew 2400 Operation And Maintenance Manual page 6

Distribution line amplifier
Table of Contents

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385700-4006-006
CHAPTER 3............................................................................................................................................ 3-1
3.1
WIRING PROTECTION AND GROUNDING............................................................................. 3-1
3.2
STARTUP AND SHUTDOWN PRODECURES......................................................................... 3-2
3.2.1 DLA Startup....................................................................................................................... 3-2
3.2.2 Normal Operation .............................................................................................................. 3-2
3.2.3 Shutdown .......................................................................................................................... 3-2
CHAPTER 4............................................................................................................................................ 4-1
4.1
TROUBLESHOOTING............................................................................................................... 4-1
4.2
CORRECTIVE MAINTENANCE ................................................................................................ 4-2
4.2.1 Remove and Replace DLA................................................................................................ 4-2
4.3
TEST PROCEDURES ............................................................................................................... 4-4
4.3.1 Inoperative Distribution Line Amplifier............................................................................... 4-4
4.3.1.1 Input Power Verification ................................................................................................ 4-4
4.3.1.3 Amplifier Alarm Asserted .............................................................................................. 4-5
4.3.1.3.1
Loss of PA Input Signal ........................................................................................ 4-5
4.3.1.3.2
PA Module Failure................................................................................................ 4-5
4.3.1.3.3
Loss of Pilot Tone Signal...................................................................................... 4-6
4.3.1.3.4
LNA Module Failure.............................................................................................. 4-6
CHAPTER 5............................................................................................................................................ 5-1
5.1
PARTS LIST .............................................................................................................................. 5-1
CHAPTER 6............................................................................................................................................ 6-1
CHAPTER 7............................................................................................................................................ 7-1
Document use is restricted to that described on cover
Alarm Asserted ............................................................................................. 4-5
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