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General| Brand | Nautel |
|---|---|
| Model | FM10 |
| Category | Transmitter |
| Language | English |
Step-by-step guide for artificial respiration, emphasizing critical actions and sequence.
Provides general guidelines for treating burns, bleeding, and shock, including wound care and immobilization.
Guidance on safely rescuing individuals from electric shock, detailing immediate actions and precautions.
Guidance on safely removing a casualty from electrical contact, differentiating low and high voltage.
Guidelines for preparing transmitter sites to ensure optimal reliability and performance.
Essential precautions to protect the transmitter from lightning-induced transients.
Specifies AC power source requirements, including voltage options and stability.
Step-by-step instructions for assembling the transmitter, which is partially disassembled for shipment.
Guidance on connecting external control and monitor wiring to the control/monitor PWB.
Instructions for installing the AC power supply assembly into the cabinet's power supply compartment.
Details on connecting the AC power source wiring to the appropriate terminals.
Procedures for installing the IPA and RF power modules into their respective support trays.
Steps for installing the exciter, both internally mounted and externally mounted.
Guidance on connecting the RF feed coaxial cable to the transmitter's RF output.
Procedures to customize circuits for the station's power source and operating requirements before applying AC power.
Steps for selecting appropriate primary winding taps for the power transformer based on AC source voltage.
Lists AC/DC power supply related controls and indicators, referencing assembly details.
Details controls and indicators for control/monitor functions, referencing panel and PWB details.
Lists controls and indicators for the RF power stage, referencing specific assemblies.
Details controls and indicators for the six RF power modules, referencing service manuals.
Lists controls and indicators for the intermediate power amplifier (IPA) module, referencing its service manual.
Describes two types of emergency shutdowns: RF output only or complete transmitter shutdown.
Steps to turn off RF output by disabling power supplies, without disconnecting AC source.
Procedure for a complete shutdown by disconnecting the AC power source or main breaker.
Essential checks before applying input power, including assembly, wiring, and termination.
Procedure for turning on the transmitter, as described in the commissioning steps.
Highlights precautions to prevent damage to solid-state devices from heat or transients.
Step-by-step procedures for performing a commissioning check, ensuring sequential completion.
Steps to ensure the exciter is properly set, including RF output adjustment and frequency verification.
Verification steps to prepare the transmitter for initial turn-on, including load termination and interlock checks.
Procedures for turning on the transmitter and observing alarm/status indications.
Steps to turn on switching power supplies and enable RF power stages, checking fan operation.
Verifies IPA functionality and ability to provide required intermediate RF output.
Verifies RF power module supplies and operational readiness for required RF output.
Procedures for identifying and correcting defects or deficiencies that arise during operation.
Performing troubleshooting while the transmitter is operational, either remotely or locally.
Precautions for handling semiconductor devices susceptible to damage from electrostatic discharge.
Procedure to determine if an RF power amplifier or IPA module is defective and identify the cause.
Detailed steps for replacing an RF power module, including safety precautions.
Instructions for removing a defective RF power module, emphasizing proper disconnection sequence.
Procedure to tune input/output power amplifiers after repair or replacement for optimal performance.
Detailed steps for tuning a repaired input/output power amplifier after re-installation.
Steps for installing an RF power module into its respective support tray and connecting it.
Procedure to temporarily replace a defective IPA module with an RF power module for continued operation.
Steps for removing a defective IPA module from the transmitter for servicing or replacement.
Instructions for installing an RF power module in place of the IPA module.
Steps for installing and adjusting a replacement control/monitor PWB, including voltage checks.
Instructions for installing a replacement power supply control PWB and setting operating parameters.
Guide to troubleshooting front panel alarms, keyed to lamp indications and probable causes.
Procedure for troubleshooting PA Fail alarms, potentially caused by cabling or FET issues.
Troubleshooting steps for Module RF Drive alarms, which may indicate low exciter output or power supply inhibition.
Troubleshooting guide for module temperature alarms, often related to fan failures or air flow blockages.
Steps to troubleshoot AC Phase alarms, potentially caused by wiring faults or low voltage PWB issues.
Troubleshooting guide for high AC power alarms, possibly due to AC mains exceeding thresholds.
Troubleshooting steps for low AC power alarms, potentially caused by AC mains falling below thresholds.
Troubleshooting guide for reflected power alarms, considering meter readings and potential load mismatches.
Troubleshooting guide for IPA input alarms, related to exciter output levels or probe issues.
Evaluates exciter forward power levels to identify low, fluctuating, or high RF drive conditions.
Troubleshooting guide for IPA output alarms, related to average detected RF level at the combiner splitter.
Procedure for replacing a defective IPA module, temporarily using an RF power module.
Troubleshooting guide for IPA SWR alarms, indicating mismatch at the IPA module output.
Troubleshooting guide for IPA temperature alarms, related to module fan failure or air blockage.
Troubleshoots PA VDC Fail PWR SPLY alarms for switching power supplies A through F.
Troubleshoots IPA switching power supply alarms for excess or low output voltage.
Troubleshoots rectifier temperature alarms, potentially caused by fan blockage or fuse issues.
Explains the AC/DC power supply's function in converting AC to DC voltages for transmitter operation.
Explains the low voltage power supply's role in providing unregulated and regulated DC supplies for various circuits.
Explains how switching power supplies provide regulated PA and IPA volts, controlled by FETs.
Details the PWB's role in controlling and monitoring switching power supplies for PA and IPA modules.
Explains the RF power stage's role in generating the final RF output power.
Explains the IPA module's function in amplifying RF output and sensing temperature and PA fail conditions.
Describes the RF power module's function in providing RF output power and sensing temperature/fail conditions.
Explains the combiner/filter's role in impedance matching, harmonic filtering, and combining RF outputs.
Explains how the control/monitor functions provide local controls, analog meters, and protection circuitry.
Contains transmitter control switches, indicator LEDs, and meters for monitoring DC voltages and currents.
