User's Manual

EX7100 Technical Manual - Contents
©1999 Exicom Technologies (1996) Limited v Issue 2 - May 2001
Page
7.4.4 UHF Transmitter Module Replacement Procedure 7-20
Replacement of the Type 8044 Sub-Module 7-20
Removal of the Transmitter Module 7-22
7.5 VHF RF Power Amplifier Module Type 8028 7-23
7.5.1 General 7-23
7.5.2 Testing and Fault Diagnosis 7-24
VHF RF Power Amplifier Module Testing 7-24
7.5.3 Alignment 7-27
7.5.4 VHF RF Power Amplifier Replacement Procedure 7-27
7.6 UHF RF Power Amplifier Module Type 8048 7-28
7.6.1 General 7-28
7.6.2 Testing and Fault Diagnosis 7-29
UHF RF Power Amplifier Module Testing 7-29
7.6.3 Alignment 7-32
7.6.4 UHF RF Power Amplifier Replacement Procedure 7-32
7.7 VHF Receiver Module Type 8029 7-34
7.7.1 General 7-34
7.7.2 Testing and Fault Diagnosis 7-34
General 7-34
Accessing the VHF Receiver Module 7-35
Diagnosis 7-35
7.7.3 Alignment 7-37
Module Re-tuning 7-37
Receiver Maintenance Adjustments 7-38
7.7.4 VHF Receiver Replacement Procedure 7-38
7.8 UHF Receiver Module Type 8054 7-40
7.8.1 General 7-40
7.8.2 Testing and Fault Diagnosis 7-40
General 7-40
Accessing the UHF Receiver Module 7-40
Diagnosis 7-41
7.8.3 Alignment 7-43
Module Re-tuning 7-43
Receiver Maintenance Adjustments 7-44
7.8.4 UHF Receiver Replacement Procedure 7-44
Removal of the Type 8055 Front-End Module 7-44
Removal of the Receiver Module 7-46
7.9 VHF Duplex Filter Module Type 8013 7-47
7.9.1 General 7-47
VHF Connections 7-47
VHF Mounting 7-47