UBS Axcera 835A-6 6000-Watt UHF Transmitter User Manual 281875
UBS-Axcera 6000-Watt UHF Transmitter 281875
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
Subassembly Drawing List
835A 4 kW, 5 kW or 6 kW UHF Transmitter Drawing List (Subassemblies)
- Page 1 of 3 -
UHF Filter...........................................................................................................................................................................1007-1101
Schematic.............................................................................................................................................................1007-3101
±12V Power Supply Board ................................................................................................................................................1062-1013
Schematic.............................................................................................................................................................1062-3013
Channel Oscillator Board, Dual Oven ...............................................................................................................................1145-1201
Schematic.............................................................................................................................................................1145-3201
(Optional) VCXO Board, Dual Oven ................................................................................................................................1145-1204
Schematic.............................................................................................................................................................1145-3204
Splitter Board......................................................................................................................................................................1181-1002
Schematic.............................................................................................................................................................1181-3002
IF Carrier Oven Oscillator Board, 45.75 MHz..................................................................................................................1191-1404
Schematic.............................................................................................................................................................1191-3404
(Optional) IF Delay Equalizer Board, 45.75 MHz ............................................................................................................1197-1112
Schematic.............................................................................................................................................................1197-3112
x8 Multiplier Board ............................................................................................................................................................1227-1002
Schematic.............................................................................................................................................................1227-3002
(Optional) Delay Equalizer Board .....................................................................................................................................1227-1204
Schematic.............................................................................................................................................................1227-3204
(Optional) Composite 4.5 MHz Filter Board.....................................................................................................................1227-1244
Schematic.............................................................................................................................................................1227-3244
IF Phase Corrector Board...................................................................................................................................................1227-1250
Schematic.............................................................................................................................................................1227-3250
1 Watt Amplifier Board......................................................................................................................................................1227-1303
Schematic.............................................................................................................................................................1227-3303
Coupler Board Assembly ...................................................................................................................................................1227-1316
Schematic.............................................................................................................................................................1227-3316
Dual Peak Detector Board, Single Supply.........................................................................................................................1227-1333
Schematic.............................................................................................................................................................1227-3333
Transmitter Control Board .................................................................................................................................................1245-1101
Schematic.............................................................................................................................................................1245-3101
Variable Gain/Phase Board ................................................................................................................................................1245-1201
Schematic.............................................................................................................................................................1245-3201
Metering Board...................................................................................................................................................................1245-1202
Schematic.............................................................................................................................................................1245-3202
+15V/-12V Power Supply Board.......................................................................................................................................1245-1203
Schematic.............................................................................................................................................................1245-3203
Detector Threshold Board ..................................................................................................................................................1245-1402
Schematic.............................................................................................................................................................1245-3402
835A 4 kW, 5 kW or 6 kW UHF Transmitter Drawing List (Subassemblies)
- Page 2 of 3 -
Sync Tip Clamp/Modulator Board.....................................................................................................................................1265-1302
Schematic.............................................................................................................................................................1265-3302
Aural IF Synthesizer Board, 4.5 MHz ...............................................................................................................................1265-1303
Schematic.............................................................................................................................................................1265-3303
ALC Board, NTSC.............................................................................................................................................................1265-1305
Schematic.............................................................................................................................................................1265-3305
(Optional) 4.5 MHz Bandpass Filter Board.......................................................................................................................1265-1307
Schematic.............................................................................................................................................................1265-3307
(Optional) FSK Identifier Board w/EEPROM ..................................................................................................................1265-1308
Schematic.............................................................................................................................................................1265-3308
Visual/Aural Metering Board.............................................................................................................................................1265-1309
Schematic.............................................................................................................................................................1265-3309
UHF Upconverter Board....................................................................................................................................................1265-1310
Schematic.............................................................................................................................................................1265-3310
Transmitter Control Board .................................................................................................................................................1265-1311
Schematic.............................................................................................................................................................1265-3311
+12V(4A)/-12V(1A) Power Supply Board .......................................................................................................................1265-1312
Schematic.............................................................................................................................................................1265-3312
Dual Stage Amplifier Assembly, Class AB, Mid Band ....................................................................................................1265-1411
Made from a Generic Dual Stage Amplifier Board, Class AB (1265-1404).
Schematic.............................................................................................................................................................1265-3411
Amplifier Protection Board................................................................................................................................................1265-1412
Schematic.............................................................................................................................................................1265-3412
Dual Stage Amplifier Assembly, Class AB, Low Band....................................................................................................1265-1413
Made from a Generic Dual Stage Amplifier Board, Class AB (1265-1404).
Schematic.............................................................................................................................................................1265-3413
Amplifier Control Board ....................................................................................................................................................1265-1414
Schematic.............................................................................................................................................................1265-3414
Single Stage Amplifier Assembly, Class A, Mid Band.....................................................................................................1265-1416
Made from a Generic Dual Stage Amplifier Board, Class A (1265-1415).
Schematic.............................................................................................................................................................1265-3416
Single Stage Amplifier Assembly, Class A, High Band ...................................................................................................1265-1417
Made from a Generic Dual Stage Amplifier Board, Class A (1265-1415).
Schematic.............................................................................................................................................................1265-3417
Single Stage Amplifier Assembly, Class A, Low Band ....................................................................................................1265-1418
Made from a Generic Dual Stage Amplifier Board, Class A (1265-1415).
Schematic.............................................................................................................................................................1265-3418
Dual Stage Amplifier Assembly, Class AB, High Band ...................................................................................................1265-1420
Made from a Generic Dual Stage Amplifier Board, Class AB (1265-1404).
835A 4 kW, 5 kW or 6 kW UHF Transmitter Drawing List (Subassemblies)
- Page 3 of 3 -
Schematic.............................................................................................................................................................1265-3420
Variable Gain/Phase Board ................................................................................................................................................1265-1425
Schematic.............................................................................................................................................................1265-3425
Dual Stage Amplifier Assembly, Class AB, Low Band....................................................................................................1265-1439
Made from a Generic Dual Stage Amplifier Board, Class AB (1265-1404).
Schematic.............................................................................................................................................................1265-3439
Dual Stage Amplifier Assembly, Class AB, Mid Band ....................................................................................................1265-1440
Made from a Generic Dual Stage Amplifier Board, Class AB (1265-1404).
Schematic.............................................................................................................................................................1265-3440
Dual Stage Amplifier Assembly, Class AB, High Band ...................................................................................................1265-1441
Made from a Generic Dual Stage Amplifier Board, Class AB (1265-1404).
Schematic.............................................................................................................................................................1265-3441
Combiner Reject Load Board.............................................................................................................................................1278-1311
Schematic.............................................................................................................................................................1278-3311
(Optional) IF Delay Equalizer Board.................................................................................................................................1555-1219
Schematic.............................................................................................................................................................1555-3219
Dual Peak Detector Board, SMT .......................................................................................................................................1555-1270
Schematic.............................................................................................................................................................1555-3270
Dual Peak Detector Board..................................................................................................................................................... 1159965
Schematic................................................................................................................................................................ 1159976