User Manual

Mission Valley Radio Repeater Equipment + Upgrade
User/Maintenance Handbook
Handbook No. 50-078021HBKM Page 3 of 85
3.13.4 VHF Air Interface Shelf System Diagram, Drg. # 50-078092 ..........................................................40
3.14 VHF Combiner Shelf (50-078013) ..................................................................................... 41
3.14.P VHF Combiner Photographs............................................................................................................41
3.14.1 Description .......................................................................................................................................42
3.14.2 Technical Specification ....................................................................................................................42
3.14.3 Parts List ..........................................................................................................................................42
3.14.4 VHF Combiner Shelf System Diagram, Drg. # 50-078093..............................................................43
3.15 VHF PSU Shelf (50-078014)............................................................................................... 44
3.15.P VHF PSU Photographs....................................................................................................................44
3.15.1 Description .......................................................................................................................................45
3.15.2 Technical Specification ....................................................................................................................45
3.15.3 Parts List ..........................................................................................................................................45
3.16 VHF/800MHz Tx Multi-coupler (50-078015)...................................................................... 46
3.16.1 Description .......................................................................................................................................46
3.16.2 Technical Specification ....................................................................................................................46
3.16.3 Parts List ..........................................................................................................................................46
3.16.4 Tx Multi-coupler System Diagram, Drg. # 50-078095 .....................................................................47
4. BAND SELECTIVE BI-DIRECTIONAL LINE AMPLIFIER ...........................................48
4.1 BDA Wall Assembly (50-078017) ......................................................................................... 48
4.1.P BDA Assembly Photograph .............................................................................................................48
4.1.1 Description .......................................................................................................................................49
4.1.2 Electrical Specification .....................................................................................................................49
4.1.3 Mechanical Specification .................................................................................................................50
4.1.4 800MHz In-Line BDA System Diagram, Drg. # 50-078097 .............................................................51
4.1.5 BDA Case Outline Drawing, Drg. N. 55-118691............................................................................52
4.1.6 BDA Assembly (50-078017) Parts List ............................................................................................53
5. MASTER SITE UPGRADE........................................................................................... 54
5.1 Master Site Upgrade Rack Assembly (50-078021) ............................................................. 54
5.1.1 Master Site Upgrade Rack Description ...........................................................................................54
5.1.2 Master Site Upgrade Rack Electrical Specification .........................................................................54
5.1.3 Master Site Upgrade Rack Mechanical Specification......................................................................54
5.1.6 Master Site Upgrade Rack Assembly (50-078021) Parts List .........................................................55
5.1.6a Upgrade Channel Module Shelf/Sub-Rack 50-078023 Parts List ...................................................55
5.1.7 Master Site Upgrade System Diagram, Drg. # 50-078081..............................................................56
5.2 Upgrade Channel Frequencies ............................................................................................ 57
5.3 Master Site HPA Interface Shelf (50-078005)...................................................................... 58
5.3.P HPA Interface Shelf Photographs....................................................................................................58
5.3.1 Description .......................................................................................................................................59
5.3.2 Technical Specification ....................................................................................................................59
5.3.3 Parts List ..........................................................................................................................................59
5.3.4 HPA Interface Shelf System Diagram, Drg. # 50-078085 ...............................................................60
5.4 High Power Amplifier Shelf (50-146703) ............................................................................. 61
5.4.P High Power Amplifier Shelf Photographs ........................................................................................61
5.4.1 Description .......................................................................................................................................62
5.4.2 Electrical Specifications ...................................................................................................................62
5.4.3 Parts List ..........................................................................................................................................63
6. INSTALLATION............................................................................................................64
6.1 General Remarks .................................................................................................................. 64
6.2 RF Connections .................................................................................................................... 64
6.3 Commissioning ..................................................................................................................... 64
7. MAINTENANCE ...........................................................................................................65
7.1 Fault Finding ......................................................................................................................... 65
7.1.1 Quick Fault Checklist .......................................................................................................................65
7.1.2 Fault Isolation...................................................................................................................................65
7.1.3 Downlink ..........................................................................................................................................66
7.1.4 Uplink ...............................................................................................................................................66
7.1.5 Checking service..............................................................................................................................66
7.1.6 Fault repair.......................................................................................................................................67
7.1.7 Service Support ...............................................................................................................................67
7.2 Tools & Test Equipment....................................................................................................... 67
7.3.1 General Comments..........................................................................................................................68