Sailor Inmarsat B, Workshop Manual

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CONTENTS
5 DISASSEMBLING, CONNECTORS, MODULE AND
SOFTWARE LOCATION
5-1
5.1 ANTENNA UNIT 5-1
5.1.1 MODULE AND SENSOR LOCATION 5-1
5.1.2 MECHANICAL DISASSEMBLING 5-2
5.1.2.1 CHANGING AZIMUTH TIMING BELT 5-2
5.1.2.2 CHANGING ELEVATION TIMING BELT 5-2
5.1.2.3 CHANGING CROSS ELEVATION TIMING BELT 5-2
5.1.2.4 CHANGING HORIZONTAL AXIS TIMING BELT 5-3
5.1.3 CONNECTORS AND SOFTWARE LOCATION 5-4
5.1.3.1 UP/DOWN CONVERTER UNIT 5-4
5.1.3.2 TRACKING RECEIVER UNIT 5-5
5.1.3.3 HPA 5-6
5.1.3.4 DIPLEXER/LNA 5-7
5.1.3.5 TSP 5-7
5.1.3.6 TRIPLEXER 5-10
5.1.3.7 SMPS 5-11
5.1.3.8 STEP MOTOR DRIVER 5-13
5.1.3.10 DC MOTOR DRIVER 5-14
5.1.3.11 TILT SENSOR 5-15
5.1.3.12 FLUXGATE COMPASS 5-15
5.1.3.13 ZERO-MARK DETECTOR 5-16
5.1.3.14 INTERCONNECTION BOARD 5-16
5.2 TRANSCEIVER UNIT 5-17
5.2.1 MODULE LOCATION 5-17
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Inmarsat B