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Nautel GV40 User Manual
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4: TROUBLESHOOTING MANUAL
GV40/GV30
T
RANSMITTER
Document ID:
NHB-GV30-GV40-TRB
Version:
4.0
Issue Date:
2018-02-26
Status:
Standard
Making Digital Radio
Work
2
Table of Contents
Default Chapter
3
Contact Information
3
Table of Contents
5
Release Control Record
7
Corrective Maintenance
9
Electrostatic Protection
11
Identifying an Alarm
12
Accessing the Inside of the Transmitter
40
Troubleshooting Tips
41
Replacement Procedures
51
RF Power Module Replacement
52
Troubleshooting RF Power Modules
54
Remote Interface PWB Replacement
61
Cooling Fan Replacement
63
Reject Load or Reject Load/Splitter Interface Assembly Replacement
65
Controller Replacement
68
Single-Board Computer (SBC) Replacement
70
Controller PWB Replacement - Controller
73
Exciter Replacement
75
Exciter/Control PWB Replacement - Exciter
77
Pre-Amplifier PWB Replacement - Exciter
80
Module Control/Interface PWB Replacement
83
Power Supply Interface PWB Replacement
86
UPS Interface Power Supply Replacement
87
Power Module Combiner PWB (NAPH06) Replacement
89
Power Module Combiner PWB (PR82C) Replacement
92
Parts Lists
95
Family Tree
95
How to Locate Information about a Specific Part
95
Column Content
96
Wiring/Connector Lists
131
Wiring Lists Provided
131
Wiring Lists Not Provided
131
Connector Mating Information
131
Wire Colours
131
Printed Wiring Board Patterns
131
Reading Electrical Schematics
155
Component Values
155
Graphic and Logic Symbols
155
Reference Designations
155
Unique Symbols
156
Identifying Schematic Diagrams
156
Structure of Schematics
157
Locating Schematic Diagram(S) for a Functional Block
157
Locating a Part or Assembly on a Schematic
158
Mechanical Drawings
158
List of Terms
238
Other manuals for Nautel GV40
Installation Manual
68 pages
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Nautel GV40 Specifications
General
Output Power
40 kW
Modulation Types
FM
Input Frequency
50/60 Hz
Transmitter Type
Solid State
Frequency Range
88 to 108 MHz
Efficiency
72%
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