Download Simplicity 1600408 Specifications
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Section H Output Monitor/Output Sample H.1 Introduction H.3 Oscilloscope Waveform Plots This section covers the Output Monitor board. Topics include function, location, block diagram description, detailed circuit description, troubleshooting, and removal/replacement. Actual oscilloscope waveform plots of key troubleshooting points are located at the end of this section. All plots were taken at 100 kW with no modulation at 585 kHz carrier frequency. Note: Parts List for this board is covered in Section VII. H.4 Location H.2 Function The Output Monitor board includes VSWR Detectors, VSWR Self Test, ARC Detectors, Directional Coupler, Modulation Monitor Sample Equalization circuits, Audio Detector, Airflow Monitoring, and Supply Fault circuits. The Output Monitor board is located in the left side of the Left PA compartment. (SEE VIEW 14) Figure H-1. Output Monitor Block Diagram 02/17/04 888-2339-002 WARNING: Disconnect primary power prior to servicing. H-1