AR 10046249, Operating And Service Manual, Page: 10 / 58

Model 150/150AW1000
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3.2.1.2 A2 Switch Assembly (Schematic 10041352) ................................................ 21
3.2.1.3 A3 2W Amplifier Assembly (Schematic 10041055) ..................................... 21
3.2.2 A2 150W 100MHz Module Assembly (Schematic 10039874) ............................ 22
3.3 RF Amplifier Operation- 80-1000 MHz (Schematic 10046147) ......................... 22
3.3.1 A1 Variable Gain Amplifier (Schematic 10033908, 10031972, 10032111) ........ 22
3.3.1.1 A1 Pre-Amplifier PWB Assembly (Schematic 10033908) ........................... 22
3.3.1.2 A2 High Isolation Switch (Schematic 10031969) ......................................... 22
3.3.1.3 A3 Two-Watt Amplifier ................................................................................ 22
3.4 A4 Driver Amp ..................................................................................................... 23
3.4.1 A5 Two-Way Splitter ........................................................................................... 23
3.3.3 A6, A7 W-Final Module ...................................................................................... 23
3.3.4 Two-Way Combiner ............................................................................................. 24
3.4 Power Supply ....................................................................................................... 24
3.5 A9 Regulator Board (Schematic 10044666) ........................................................ 24
3.6 Control System .................................................................................................... 24
3.6.1 A12 Control/Fault Board (Schematic 10042218) ................................................. 24
3.6.2 A14 Interface Board (Schematic 10020073) ........................................................ 24
4. MAINTENANCE ............................................................................................... 25
4.1 General Maintenance Information ........................................................................ 25
4.2 Disassembly Procedure ........................................................................................ 25
4.3 Troubleshooting ................................................................................................... 26
4.3.1 General - Reading Faults ...................................................................................... 27
4.3.2 The Unit Cannot Be Operated Remotely.............................................................. 27
4.3.3 Thermal Fault-Lo Band (Schematic 10046147, 10039874) ................................. 27
4.3.4 Thermal Fault Hi Band (Schematic 10046147, 10045396) .................................. 27
4.3.5 Interlock Fault (Schematic 10046147) ................................................................. 28
4.3.6 PS1 Fault (Schematic 10046147) ......................................................................... 28
4.3.7 PS2 Fault (Schematic 10046147) ......................................................................... 28
4.3.8 PS3 Fault (Schematic 10046147) ......................................................................... 28
4.3.9 Lo Band Amplifier Fault (Schematic 10046147, 10039874) ............................... 29
4.3.10 Hi Band Amplifier Fault (Schematic 10046147, 10045396) ............................... 29
4.3.11 Lo Band Low or No Power Output (DC Tests) (Schematic 10046147) .............. 29
4.3.12 Hi Band Low or No Power Output (DC Tests) (Schematic 10046147) ............... 30
4.3.13 Lo Band Low or No Power Output (RF Test) (Schematic 10046147) ................. 31
4.3.14 Hi Band Low or No Power Output (RF Test) (Schematic 10046147) ................. 33
FIGURES
2-1 Model 150/150AW1000 Front Panel ..................................................................... 5
2-2 Model 150/150AW1000 Rear Panel ...................................................................... 5
2-3 Menu Map .............................................................................................................. 7
4-1 Typical Response @ -20 dBm Input .................................................................... 31
4-2 Typical Response @ 0 dBm Input ........................................................................ 31
4-3 Typical Gain Response of 100W Module ............................................................ 32
4-4 Typical A1 Pre-Amplifier Response .................................................................... 32
4-5 Hi Band Typical Gain Response at 0 dBm input ................................................. 33
4-6 Hi Band Typical Gain Response at -20 dBm input .............................................. 33
4-7 Typical Response: Input A5-Front Panel RF Output ........................................... 34
4-8 Typical Module Response .................................................................................... 34
4-9 Typical A4 Driver Module Response ................................................................... 35
4-10 Typical A1 Pre-Amplifier Response .................................................................... 35