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General| Brand | Harris |
|---|---|
| Model | Maxiva ULX COFDM Series |
| Category | Transmitter |
| Language | English |
Provides a general overview of the Maxiva ULX Series COFDM digital television transmitters.
Lists available transmitter models and their specifications, including power levels.
Details the transmitter's control system, including TCU, MCM, and PCM modules.
Explains how RF power is controlled via the Phase and Gain Board and TCU.
Describes the GUI, its hardware buttons, and touchscreen interface.
Describes the PA module, its amplifier technology, and weight.
Outlines the transmitter's liquid cooling system components and function.
Provides general technical specifications for the transmitter.
Details the required clearances and steps for placing the transmitter cabinet.
Covers the installation of major cooling system components like TCU and pump module.
Provides restrictions and recommendations for heat exchanger and pump module installation.
Covers installing supply and return plumbing, valves, and air purgers.
Outlines the procedure for connecting AC mains to the transmitter.
Describes the initial turn-on procedure for the liquid cooling system.
Covers initial start-up checks and maintenance for the heat exchanger and pump module.
Details the procedure for filling the cooling system with the final glycol/water mixture.
Provides steps for installing PA modules into the transmitter cabinet.
Outlines the procedure for the initial turn-on of the transmitter.
Describes the front panel user interface, including touchscreen and hardware buttons.
Details the functions of the hardware control buttons on the front panel.
Describes the HOME screen as the primary operator interface for general information.
Covers exciter, pre-driver, and IPA control and monitoring on the Drive Chain screen.
Displays current and forward power for individual PA modules in the indicated cabinet.
Lists all faults monitored in each PA Module, with active faults highlighted in RED.
Provides total system Forward and Reflected power, VSWR, and Foldback status.
Provides overall status information and access to additional System screens.
Lists all transmitter and system faults in the order they occurred.
Sets system nominal power, center frequency, modulation type, and AC line voltage.
Describes block diagrams and provides transmitter model numbers and configurations.
Details the three-phase AC mains supply to PA cabinets and jumper configurations.
Explains the advanced control system utilizing TCU, MCM, and PCM modules.
Explains how RF output power is controlled via the Predriver modules and TCU.
Describes the MCM card as the microprocessor-based controller for critical transmitter functions.
Explains the PCM card's role in monitoring, control, data collection, and connectivity.
Describes the PA interface card's role in connecting TCU, Predriver, IPA, and PA backplanes.
Describes the PA pallet as a single stage of amplification in the Triton module.
Shows a block diagram of the Maxiva 16 Module transmitter.
Provides procedures for removing and replacing PA modules, including safety precautions.
Details the steps for removing PA modules while the transmitter is operating.
Provides steps for installing PA modules into the transmitter rack.
Outlines the procedure for aligning the rack when module installation difficulty is encountered.
Details the procedure for replacing PA and IPA (driver) pallets.
Covers removal and replacement of the PA Module AC/DC Converter (PS) Board.
Describes power calibration procedures required after component replacement.
Details the procedure for calibrating forward power.
Establishes values for VSWR protection thresholds for foldback and fault events.
Outlines removing the cabinet RF system for access to backplanes, combiners, etc.
Lists all faults that have occurred, including type, time, date, and status.
Explains the transmitter's response to repeated faults, including RF MUTE and OFF states.
Describes module failures that trigger a three-strike action, resetting only the affected module.
Provides listings of transmitter faults, descriptions, levels, and actions.
Lists faults specific to PA and IPA modules, including temperature and VSWR.
Details faults related to power supply units and AC mains.
Lists faults related to the transmitter's output system, including VSWR and power levels.
Lists system-level faults such as ambient temperature, coolant flow, and safety interlocks.
Lists replaceable parts with part numbers and reference designators.
