User's Manual
3
TABLE OF CONTENTS
1. GENERAL INFORMATION ..................................................................... 4
1.1. Introduction …………………………………………………………. 4
1.2. Specification ………………………………………………………. 4
1.2.1. Parameters………………………………………………………… 4
1.2.2. Protection Circuits …………………………………………… 5
1.2.3. Features …………………………………………… 5
1.2.4. The Advantages of OM2000A+ ………………………… 5
2. SAFETY INSTRUCTIONS ………………………………………………. 6
3. GENERAL DESCRIPTION …………………………………………………. 7
3.1. HF part ……………………………………………………. 7
3.2. Power Supply ……………………………………………………. 9
3.3. Safety Devices ……………………………………………………. 9
4. INSTALLATION …………………………………………………. 9
4.1. Grounding …………………………………………………. 10
4.2. Coaxial Cable …………………………………………………. 10
4.3. Control Cable ………………………………………………. 11
4.4. Cooling ………………………………………………. 11
5. OPERATION …………………………………………………. 11
5.1. OM2000A+ Front Panel ……………………………………. 12
5.2. OM2000A+ Control ………………………………………… 13
5.3. Preparing for operation ………………………………… 20
5.4. Operation mode ………………………………………………. 27
6. MAINTENANCE …………………………………………………. 30
6.1. Indication of Fault Conditions ……………………………… 30
6.2. Fuse Replacement ……………………………………… 32
6.3. Tube Replacement …………………………………… 32
6.4. Cleaning …………………………………………………. 32
7. APPENDIX …………………………………………………………. 32
7.1. Primary AC selection …………………………………………. 32
7.2. Removing the HV Transformer …………………………….. 34
7.3. Controlling OM200A+ with FLEX Radio Series 6xxx ……..……. 35
7.4. OM2000A+ Remote Control ……………………………. 36
7.5. ICOM connection with OM2000A+ …………………… 40
7.6. Yaesu plus BPF plus ANT Switch connection with OM2000A+ 41
7.7. Control panel connectors pin-out ………………………… 42
7.8. Block Diagram of the OM2000A+ Power Amplifier ……………… 43