OM4000 HF POWER AMPLIFIER
2
TABLE OF CONTENTS
1.
GENERAL INFORMATION
1.1.
Introduction ……………………………………………………………….. 4
1.2.
Specification …………………………………………………………….... 4
1.2.1.
Parameters …………………………………………………………………. 4
1.2.2.
Protection Circuits ………………………………………………………… 4
1.2.3.
Indicators ………………………………………………………………….. 5
2.
SAFETY INSTRUCTIONS ……………………………………………… 5
3.
GENERAL DESCRIPTION ………………………………………………. 6
3.1.
HF part ……………………………………………………………………. 6
3.2.
Power Supply …………………………………………………………….. 7
3.3.
Safety Devices ……………………………………………………………. 8
4.
INSTALLATION ………………………………………………………… 8
4.1.
Grounding ………………………………………………………………… 8
4.2.
Coaxial Cable …………………………………………………………....... 8
4.3.
Control Cable ………………………………………………….…………... 9
4.4.
Mains Supply ……………………………………………………………… 10
4.5.
Cooling ……………………………………………………………………. 10
5.
OPERATION ……………………………………………………………… 10
5.1.
Operation Elements ……………………………………………………….. 11
5.2.
Tuning of Power Amplifier …………………………………………….. 12
6.
MAINTENANCE ………………………………………………………. 15
6.1.
Indication of Fault Conditions …………………………………………. 15
6.2.
Fuse Replacement . .………………………………………………….... 16
6.3.
Tube Replacement …………………………………………………....... 16
6.4.
Cleaning ……………………………………………………………...... 16
