User's Manual

800MHz & VHF Cell Enhancers
Maintenance Handbook
H/book Number:-50-078001HBKM
Issue No:-
A
Date:-02/09/2004
Page:-
4 of 88
5.17
3 Stage Alarm PCB & 3 Stage Simplex Alarm PCB(12-002201 & 12-002203) ....................................66
5.17.1
Description ...........................................................................................................................................66
5.17.2
Technical Specification ........................................................................................................................67
5.17.3 Generic Summary Alarm Wiring Sketch .............................................................................................67
5.18
1 & 3 Stage Alarm/Simplex/Mute PCB (12-002804 & 12-002213) ........................................................68
5.18.1
Description ...........................................................................................................................................68
5.19
Simplex Controller PCB (12-002811) .......................................................................................................68
5.19.1 Description ...........................................................................................................................................68
5.20
Dual DC/DC Converter (13-001803) ........................................................................................................69
5.20.1 Description ...........................................................................................................................................69
5.20.1 Technical Specification ........................................................................................................................69
5.21
Simplex Squelch & AF Module (17-002802)............................................................................................70
5.21.1 Description ...........................................................................................................................................70
5.21.2
Technical Specification ........................................................................................................................70
5.22
Wide Dynamic Range (Log.) 12V AGC (17-001109, det. & 17-001201, atten.)....................................71
5.22.1 Description ...........................................................................................................................................71
5.22.2 Technical Specification ........................................................................................................................72
5.23
Channel Control Module (17-002101)......................................................................................................73
5.23.1
Description ...........................................................................................................................................73
5.23.2 Technical Specification ........................................................................................................................73
5.23.3 900MHz Programming Procedure........................................................................................................74
5.23.4 900MHz Programming Example..........................................................................................................75
5.24
Channel Selective Modules (17-009127 UHF, & 17-009135 VHF) ........................................................76
5.24.1 Description ...........................................................................................................................................76
5.24.2 Drg. N. 17-003080, Generic Channel Module Block Diagram..........................................................77
5.25
12 & 24V Relay Boards (20-001601 & 20-001602)..................................................................................78
5.25.1 Description ...........................................................................................................................................78
5.25.2 Technical Specification ........................................................................................................................78
5.26
12V Low Voltage Battery Disconnect Module (80-061003)....................................................................79
5.26.1 Description ...........................................................................................................................................79
5.26.2 Technical Specification ........................................................................................................................79
5.27
Crystal Filters (93-980109) ........................................................................................................................79
5.27.1 Description ...........................................................................................................................................79
5.28
IXFN170N10 Power Mos-Fet Module (94-030015).................................................................................79
5.28.1 Description ...........................................................................................................................................79
5.29
STPS12045TV 60A Dual Diode Assembly (94-100004) ..........................................................................80
5.29.1 Description ...........................................................................................................................................80
5.30
15V Switch-Mode PSU (96-300054)..........................................................................................................80
5.30.1 Description ...........................................................................................................................................80
5.30.2 Technical Specification ........................................................................................................................80
6.
INSTALLATION............................................................................................................................ 81
6.1
Initial Installation Record .........................................................................................................................81
6.1.1 Rack Mounted Equipment........................................................................................................................81
6.1.2 Wall Mounted Equipment ........................................................................................................................81
6.1.3 Electrical Connections..............................................................................................................................81
6.1.4 RF Connections........................................................................................................................................82
6.2
Commissioning ...........................................................................................................................................82
6.3
Quick Fault Checklist ................................................................................................................................82
7.
MAINTENANCE............................................................................................................................ 83
7.1
General Procedures....................................................................................................................................83
7.1.1 Basic Fault Finding ..................................................................................................................................83
7.1.2 Downlink..................................................................................................................................................84
7.1.3 Uplink.......................................................................................................................................................84
7.1.4 Fault repair ...............................................................................................................................................84
7.1.5 Checking service ......................................................................................................................................85
7.1.6 Service Support ........................................................................................................................................85
7.2
Tools & Test Equipment............................................................................................................................85