User Manual
Table Of Contents
- AMENDMENT LIST RECORD SHEET
- INTRODUCTION
- 1.SAFETY CONSIDERATIONS
- 2.OVERVIEW/SYSTEM DESCRIPTION
- 3.SPECIFICATION
- 4.SYSTEM DRAWINGS
- 5.SUB-UNIT MODULES
- 5.1Downlink Channelised Cell Enhancer 60-060602 (5U chassis)
- 5.1.1Bandpass Filters (02-010701)
- 5.1.2UHF 3dB Splitter (05-002603)
- 5.1.33dB UHF Splitter (05-002603)
- 5.1.4¼Watt 0- -30dB Switched Attenuator \(10-00
- 5.1.5Low Noise Amplifiers (11-007302 & 11-007402)
- 5.1.5.1Description
- 5.1.5.2Technical Specification, (11-007302)
- 5.1.5.3Technical Specification (11-007402)
- 5.1.5.3Drg. No. 11-007302, LNA Assembly With Alarm Relay
- 5.1.5.4Drg. No. 11-007370, LNA RF Circuit Diagram
- 5.1.5.5Drg. No. 11-007371, LNA DC Wiring Diagram
- 5.1.5.6Drg. No. 11-003971, LNA DC Circuit Diagram
- 5.1.610Watt Power Amplifier (12-001901)
- 5.1.73 Stage Amplifier Alarm Boards (12-002201)
- 5.1.8Dual DC/DC Converter (13-001803)
- 5.1.9Channel Selective Module (17-003012)
- 5.1.1024V Relay Board (20-001602)
- 5.2Uplink Channelised Cell Enhancer 50-060603 (5U chassis)
- 5.3Power Supply Shelf 50-060604 (4U chassis)
- 5.1Downlink Channelised Cell Enhancer 60-060602 (5U chassis)
- 6.INSTALLATION
- 7.MAINTENANCE
- APPENDIX AINITIAL EQUIPMENT SET-UP CALCULATIONS

5-Way Channelised UHF Cell Enhancer
Maintenance Handbook
H/book Number:-50-060601HBKM
Issue No:-
1
Date:-04/07/2003
Page:-
3 of 54
5.1.6.5 Drg. Nō. 80-008450, PA to Alarm Board DC Wiring Details .........................................................30
5.1.7 3 Stage Amplifier Alarm Boards (12-002201).........................................................................................31
5.1.7.1 Description.......................................................................................................................................31
5.1.7.2 Technical Specification ....................................................................................................................32
5.1.7.3 Drg. Nō. 12-002201, 3 Stage Alarm Board Assembly Drawing & Parts List..................................33
5.1.7.4 Drg. Nō. 12-002270, 3 Stage Alarm Board Circuit Diagram..........................................................34
5.1.7.5 Generic Rack Shelf Enclosure Alarm Wiring Sketch .......................................................................35
5.1.8 Dual DC/DC Converter (13-001803).......................................................................................................37
5.1.8.1 Description.......................................................................................................................................37
5.1.8.2 Technical Specification ....................................................................................................................37
5.1.8.3 Drg. Nō. 13-001803, Dual DC/DC Converter Assembly Drawing..................................................38
5.1.8.4 Drg. Nō. 13-001872, Dual DC/DC Converter Circuit Diagram (12V/12V)....................................39
5.1.9 Channel Selective Module (17-003012) ..................................................................................................40
5.1.9.1 Description.......................................................................................................................................40
5.1.9.2 Drg. Nō. 17-003080, Generic Channel Module Block Diagram .....................................................41
5.1.10 24V Relay Board (20-001602).............................................................................................................42
5.1.10.1 Description...................................................................................................................................42
5.1.10.2 Drg. Nō. 20-001602, 24V Relay Board Assembly Drawing.........................................................43
5.1.10.3 Drg. Nō. 20-001671, Relay Board Circuit Diagram....................................................................44
5.2 Uplink Channelised Cell Enhancer 50-060603 (5U chassis)...................................................................45
5.2.1 DC Tap Module (21-001701)...................................................................................................................45
5.7.1 Description ...............................................................................................................................................45
5.3 Power Supply Shelf 50-060604 (4U chassis).............................................................................................46
5.3.1 24V 410W Flat-Pack Power Supply (96-300054) ...................................................................................46
5.3.1.1 Description.......................................................................................................................................46
5.3.1.2 Technical Specification ....................................................................................................................46
5.3.2 48V/8A DC Power Supply Module (96-300056) ....................................................................................47
5.3.2.1 Description.......................................................................................................................................47
5.3.2.2 Technical Specification ....................................................................................................................47
6. INSTALLATION............................................................................................................................ 48
6.1 Initial Installation Record .........................................................................................................................48
7. MAINTENANCE............................................................................................................................ 49
7.1 General Procedures....................................................................................................................................49
7.1.1 Basic Fault Finding ..................................................................................................................................49
7.1.2 Downlink..................................................................................................................................................50
7.1.3 Uplink.......................................................................................................................................................50
7.1.4 Fault repair ...............................................................................................................................................50
7.1.5 Checking service ......................................................................................................................................51
7.1.6 Service Support ........................................................................................................................................51
7.2 Tools & Test Equipment............................................................................................................................51
7.3 Care of Modules .........................................................................................................................................52
7.3.1 General Comments...................................................................................................................................52
7.3.2 Module Removal (LNA’s, general procedure): .......................................................................................52
7.3.3 Module Replacement (general): ...............................................................................................................52
7.3.4 Power Amplifiers .....................................................................................................................................52
7.3.5 Low Power Amplifier Replacement.........................................................................................................53
7.3.6 Module Transportation:............................................................................................................................53
APPENDIX A INITIAL EQUIPMENT SET-UP CALCULATIONS............................................... 54