UBS Axcera 835A-6 6000-Watt UHF Transmitter User Manual 281874
UBS-Axcera 6000-Watt UHF Transmitter 281874
Contents
- 1. Title Page
- 2. Table of Contents
- 3. System Description
- 4. Specifications
- 5. Site Considerations
- 6. Installation Procedure
- 7. Operation Procedure
- 8. Meters Switches Indicators
- 9. Detailed Alignment Procedure
- 10. Remote Control Interface
- 11. Subassembly Drawing List
- 12. Maintenance Procedure
- 13. Log Book Format
- 14. Typical Operational Readings
- 15. Schematic
- 16. Scjhematic
- 17. Transmitter Block Diagram
- 18. UHF Exciter Block Diagram
Remote Control Interface
835A 4 kW, 5 kW or 6 kW UHF Transmitter Function Exciter Enable Interlock Exciter Enable Interlock Rtn. Remote Control Interface Connections Remote Jack/Pin No. Interface Type J7-1 J7-2 J7-1 & 2 Must Be Jumpered Together For Normal Operation. Combined Visual Power Combined Visual Power Rtn J10-7 J10-8 1V Full Scale At 1kΩ Source Resistance Combined Aural Power Combined Aural Power Rtn J10-5 J10-6 1V Full Scale At 1kΩ Source Resistance Combined Reflected Power Combined Reflected Power Rtn J10-9 J10-10 1V Full Scale At 1kΩ Source Resistance Exciter Output Exciter Output Rtn J9-26 J9-27 1V Full Scale At 1kΩ Source Resistance Exciter Operate (Enable) Exciter Standby/Operate Rtn. Exciter Standby (Disable) J8-3 J8-2 J8-1 Contact Closure Exciter Auto Exciter Auto/Manual Rtn. Exciter Manual J8-6 J8-5 J8-4 Contact Closure Modulator Select Modulator Select Rtn J8-10 J8-11 Contact Closure Power Raise (Optional) Raise/Lower Rtn. (Optional) Power Lower (Optional) J9-6 J9-5 J9-4 Contact Closure Exciter Auto Mode Indicator Auto/Manual Mode Ind. Rtn Exciter Manual Mode Indicator J9-30 J9-31 J9-32 50ma Max. Current Sink Operate Indicator Operate/Standby Ind. Rtn Standby Indicator J9-1 J9-2 J9-3 50ma Max. Current Sink 50ma Max. Current Sink Exciter VSWR Cutback Indicator J8-7 50ma Max. Current Sink Transmitter Remote Metering: Exciter Remote Control Commands: Contact Closure Contact Closure Contact Closure Exciter Remote Status Indications: - Page 1 of 3 - 50ma Max. Current Sink 835A 4 kW, 5 kW or 6 kW UHF Transmitter Remote Control Interface Connections Exciter Remote Status Indications: - Continued Video Loss Indicator Video Loss Indicator Rtn J9-7 J9-8 50ma Max. Current Sink Receiver Fault Ind. J8-9 50ma Max. Current Sink J10-1 J10-2 1V Full Scale At 1kΩ Source Resistance J10-3 J10-4 1V Full Scale At 1kΩ Source Resistance Side A Forward Power Side A Forward Power Rtn J10-14 J10-15 1V Full Scale At 1kΩ Source Resistance Side A Reflected Power Side A Reflected Power Rtn J10-16 J10-17 1V Full Scale At 1kΩ Source Resistance Side B Forward Power Side B Forward Power Rtn J10-20 J10-21 1V Full Scale At 1kΩ Source Resistance Side B Reflected Power Side B Reflected Power Rtn J10-18 J10-19 1V Full Scale At 1kΩ Source Resistance J10-11 J10-12 1V Full Scale At 1kΩ Source Resistance Side A Driver Remote Metering: Side A Driver Output Power Side A Driver Output Power Rtn Side B Driver Remote Metering: Side B Driver Output Power Side B Driver Output Power Rtn Side A Remote Metering: Side B Remote Metering: Side A Plus B Remote Metering: Reject Power Reject Power Rtn The above connections are made to Jack (J9), the 37 Position "D" Connector, to Jack (J10), the 25 Position "D" Connector, to Jack (J8), the 25 Position "D" Connector Or to Jack (J7), the 9 Position "D" Connector, located on (A9) the Remote Interface Assembly (1245-1801) mounted at the Top, Rear of the Single UHF Exciter Cabinet. (A2 and A3) Amplifier Array Assembly Remote Metering for 4 kW, 5 kW & 6 kW (A1) UHF Amp Tray Refl Pwr (A1) Reflected Power Rtn J5-2 J5-1 - Page 2 of 3 - 1V Full Scale At 1kΩ Source Resistance 835A 4 kW, 5 kW or 6 kW UHF Transmitter Remote Control Interface Connections (A2 and A3) Amplifier Array Assembly Remote Metering - Continued for 4 kW, 5 kW & 6 kW - continued (A1) UHF Amp Tray Fwrd Pwr (A1) Forward Power Rtn J5-4 J5-3 1V Full Scale At 1kΩ Source Resistance (A2) UHF Amp Tray Refl Pwr (A2) Reflected Power Rtn J5-6 J5-5 1V Full Scale At 1kΩ Source Resistance (A2) UHF Amp Tray Fwrd Pwr (A2) Forward Power Rtn J5-8 J5-7 1V Full Scale At 1kΩ Source Resistance (A3) UHF Amp Tray Refl Pwr (A3) Reflected Power Rtn J5-9 J5-10 1V Full Scale At 1kΩ Source Resistance (A3) UHF Amp Tray Fwrd Pwr (A3) Forward Power Rtn J5-11 J5-12 1V Full Scale At 1kΩ Source Resistance (A4) UHF Amp Tray Fwrd Pwr (A4) Forward Power Rtn J5-13 J5-14 1V Full Scale At 1kΩ Source Resistance (A4) UHF Amp Tray Refl Pwr (A4) Reflected Power Rtn J5-15 J5-16 1V Full Scale At 1kΩ Source Resistance For 5 kW & 6 kW (A5) UHF Amp Tray Fwrd Pwr (A5) Forward Power Rtn J5-17 J5-18 1V Full Scale At 1kΩ Source Resistance (A5) UHF Amp Tray Refl Pwr (A5) Reflected Power Rtn J5-20 J5-21 1V Full Scale At 1kΩ Source Resistance For 6 kW (A6) UHF Amp Tray Fwrd Pwr (A6) Forward Power Rtn J5-22 J5-23 1V Full Scale At 1kΩ Source Resistance (A6) UHF Amp Tray Refl Pwr (A6) Reflected Power Rtn J5-24 J5-25 1V Full Scale At 1kΩ Source Resistance The above connections are made to Jack (J5), the 37 Position "D" Connector located on (A11) the Remote Interface Panel mounted at the Top, Rear of each of the Amplifier Array Cabinets. - Page 3 of 3
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