Name: Codan 2110 series
Brand: Codan
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Manpack Transceiver 2110 series Repair Guide 25
Interconnection diagrams and listed spares 
drawings
The drawings in this section are required during repair of a 2110 series Manpack 
Transceiver.
Please refer to the listed spares drawings for ordering information. For example, if you 
need to order a new Audio & Control PCB 08-06128-001, the listed spares drawing for 
this indicates that you should order 08-06128-101.
Table 7: List of drawings 
Title Drawing number
Interconnection Diagram 04-03515
2110 Unit, with front handles—Listed Spares 16-00116 (sheet 1)
16-00116 (sheet 2)
16-00116 (sheet 3)
16-00116 (sheet 4)
16-00116 (sheet 5)
16-00116 (sheet 6)
16-00116 (sheet 7)
2110 Unit, with side handles—Listed Spares 16-00120 (sheet 1)
16-00120 (sheet 2)
16-00120 (sheet 3)
16-00120 (sheet 4)
16-00120 (sheet 5)
16-00120 (sheet 6)
16-00120 (sheet 7)

Table of Contents3
Index11
Introduction15
Overview of this Guide15
How to Use this Guide16
Board Replacement Philosophy16
Disposal16
Circuit Board Precautions17
Transmitter Precautions18
Probe Precautions18
Contact Information19
Ordering Information21
Overview23
General24
Figure 1: the 2110 Series Manpack Transceiver24
Connectors25
Front Panel25
Figure 3: Front View of the Handset Connector26
Table 1: Pinouts of the Handset Connector26
Figure 5: Front View of the 19-Way GPIO Connector (2110 Only)28
Table 3: Pinouts of the 19-Way GPIO Connector (2110 Only)28
Back Panel30
Figure 7: Back Panel of the Transceiver Unit30
Battery Pack32
Figure 9: Front View of the Battery Pack32
Figure 10: Front View of the Battery Connector on the Battery Pack32
Table 6: Pinouts of the Battery Connector on the Battery Pack32
Brief Description34
General Information37
Transmit Path38
Front Panel PCB38
Audio & Control PCB38
RF/IF & Synthesiser PCB39
PA & Filter PCB39
Receive Path39
Antenna Tuner PCB39
Audio & Control PCB39
Antenna Tuning Process40
Synthesiser Operation40
Control and Switching40
Interconnection Diagrams and Listed Spares Drawings41
Table 7: List of Drawings41
Figure 2: Front Panel of the Transceiver (2110 Model Shown)43
Figure 4: Front View of the External GPS Antenna Connector (2110 Only)45
Figure 6: Front View of the 5-Way Connector (2110V Only)47
Figure 8: Front View of the Battery Connector on the Transceiver Unit49
Figure 11: RF/IF & Synthesiser PCB (08-06039-001)62
Figure 12: PA & Filter PCB (08-06064-001)62
Figure 13: Audio & Control PCB (08-06128-001)64
Figure 14: Antenna Tuner PCB (08-06063-001)64
Figure 15: Front Panel PCB (08-06129-001)64
Table 8: Test Points for the RF/IF & Synthesiser PCB (08-06039-001)66
PA & Filter PCB69
Table 9: Test Points for the PA & Filter PCB (08-06064-001)70
Audio & Control PCB72
Table 10: Test Points for the Audio & Control PCB (08-06128-001)74
Antenna Tuner PCB76
Front Panel Assembly78
Front Panel PCB80
Repair Procedures, Tests, and Adjustments83
Test Equipment84
Figure 16: Setup for Artificial Antenna85
Figure 17: Setup for RF Sampler85
Table 13: Test Equipment85
Setup of Test Equipment for 211086
Figure 18: Setup for 211086
Repair Procedures and Fault Diagnosis87
General87
Figure 19: Balance Control on the 020889
Mechanical Inspection90
Operational Tests91
Table 15: Default Settings for the Transceiver During Testing92
Receive Tests95
Transmit Tests100
Table 16: 20/25 W Output Power Scale103
Table 17: 4/5 W Output Power Scale104
Figure 20: Acceptable Two-Tone RF Envelope105
Figure 21: Defective Two-Tone RF Envelope (Typical Overbias of PA)105
Figure 22: Defective Two-Tone RF Envelope (Typical Underbias of PA)106
Figure 23: Defective Two-Tone RF Envelope (Typical Spurious-Related Problems)106
Figure 24: Intermodulation Measurements Using a Spectrum Analyser107
Disassembling the Transceiver109
Figure 25: Removing the Housing from the Chassis109
Adjustments111
Adjusting Frequency111
Adjusting the PA111
Re-Assembling the Transceiver115
Figure 26: Setup for Vacuum Test116
Checking the Battery Charging Process118
Figure 27: Typical Front Panel of a Battery Charger119
Replacing Battery Cells122
Figure 28: Connections between the Battery Cells and the Battery Monitor PCB122
Replacing the Fuse in the Battery Pack123
Flowcharts125
Figure 29: Repair Flowchart127
Figure 30: Disassembly Flowchart129
Figure 31: Power on Fault Diagnosis Flowchart131
Figure 32: Receive Fault Diagnosis Flowchart 1133
Figure 33: Receive Fault Diagnosis Flowchart 2135
Figure 34: Transmit Fault Diagnosis Flowchart 1137
Figure 35: Transmit Fault Diagnosis Flowchart 2139
Test Sheet for the 2110 Series Manpack Transceiver141
Figure 36: GPS Receiver147
Figure 37: Connector for External GPS Antenna148
Table 20: Front Panel Assembly and Final Assembly with GPS Connector148
Figure 38: Voice Encryptor149
Figure 39: Filters149
Standards and Icons151
Definitions152
Acronyms and Abbreviations152
Glossary154
Circuit Reference Designations155
Units156
Unit Multipliers156
About this Issue157
Specifications159
General159
Table 21: General Specifications159
Receiver161
Table 22: Receiver Specifications at 50  Antenna Connector161
Transmitter162
Antenna Tuner163
GPS Connector163

Codan 2110 series Repair Guide

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Brand	Codan
Model	2110 series
Category	Transceiver
Language	English