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Details the information contained in the manual for servicing TM8100 and TM8200 radios and accessories.
Lists the hardware and software versions described in the manual, including IPNs for various boards.
Describes the TM8100 and TM8200 series radios, their applications, and manual scope.
Details the mechanical design, architecture, operation, and connectors of the radio.
Illustrates and describes the circuitry of the main board and control-head boards.
Covers repair levels, website access, tools, equipment, spares, test setup, and precautions.
Provides procedures for removing, disassembling, and reassembling the radio body and control heads.
Outlines the full sequence of tasks for servicing, including initial, repair, and final procedures.
Details fault diagnosis procedures for the power supply circuitry.
Covers diagnosis of faults involving signals output from or input to radio circuitry via connectors.
Provides procedures for diagnosing faults in the frequency synthesizer circuitry.
Lists symptoms indicating a possible fault in the receiver circuitry.
Lists CCTM commands required for receiver fault diagnosis.
Explains how frequency bands are identified in test procedures and figures.
Covers determination of receiver's loss of sensitivity and checking receiver gain.
Details fault diagnosis for excessive loss of receiver sensitivity.
Covers diagnosis for moderate or slight loss of receiver sensitivity.
Addresses issues with incorrect RSSI readings, suspecting receiver calibration.
Covers faults related to radio mute function and suspect calibration settings.
Addresses high receiver distortion, suspecting TCXO or crystal filter matching circuitry.
Covers diagnosis of faults in the 40W/50W transmitter circuitry.
Divides transmitter fault diagnosis into tasks based on sections like Power Supplies and RF Power.
Lists CCTM commands used for transmitter fault diagnosis.
Explains how frequency bands are identified in test procedures and figures.
Lists reserved frequency ranges for maritime emergency and distress beacons.
Details the procedure for removing transmitter circuitry shielding cans.
Provides instructions for replacing shielding cans after board repair.
Outlines actions for conducting transmit tests, including board security and antenna load.
Checks the transmitter power supplies and switch circuit.
Covers checking and correcting transmitter RF power faults.
Details procedures for checking and repairing PA driver and PA biasing.
Investigates faults in the RF signal path from synthesizer output to LPF.
Covers diagnosis of faults in the 25W transmitter circuitry.
Divides transmitter fault diagnosis into tasks based on sections like Power Supplies and RF Power.
Lists CCTM commands used for transmitter fault diagnosis.
Explains how frequency bands are identified in test procedures and figures.
Lists reserved frequency ranges for maritime emergency and distress beacons.
Details the procedure for removing transmitter circuitry shielding cans.
Provides instructions for replacing shielding cans after board repair.
Outlines actions for conducting transmit tests, including board security and antenna load.
Checks the transmitter power supplies and switch circuit.
Covers checking and correcting transmitter RF power faults.
Details procedures for checking and repairing PA driver and PA biasing.
Investigates faults in the RF signal path from synthesizer output to LPF.
Lists five conditions indicating a possible fault in the CODEC and audio circuitry.
Provides procedures for diagnosing CODEC and audio faults.
Lists CCTM commands required for CODEC and audio fault diagnosis.
Checks the power supplies for the CODEC and audio circuitry.
Covers cases of no or distorted speaker audio, checking audio power amplifier and outputs.
Diagnoses lack of speaker audio at the auxiliary connector.
Covers cases where the receiver does not operate.
Addresses issues of no or distorted modulation, checking synthesizer and bias network.
Diagnoses faults in modulation when using the auxiliary connector.
Describes fault finding for graphical display control heads.
Applies general procedures for all fault finding tasks.
Lists CCTM commands used for fault finding of the control head.
Checks the 3.3V and 13.8V supply voltages for the control head.
Covers troubleshooting of LCD display issues.
Diagnoses faults related to the LCD backlighting.
Addresses issues with LCD heating functionality.
Troubleshoots faults with function key or status LEDs.
Diagnoses faults related to keypad backlighting.
Covers troubleshooting of the ON/OFF key functionality.
Diagnoses faults with function, scroll, or selection keys.
Troubleshoots cases where some, but not all, keys are faulty.
Addresses faults where all keys, except ON/OFF, are faulty.
Covers intermittent speaker function or low audio level issues.
Diagnoses intermittent, full volume, or non-functional volume controls.
Describes fault finding for 1-, 2-, or 3-digit display control heads.
Applies general procedures for all fault finding tasks.
Troubleshoots display issues while LEDs function correctly.
Diagnoses faults where some LEDs are faulty.
Addresses faults where all LEDs are faulty.
Covers faults affecting both the display and all LEDs.
Lists all serviceable parts, excluding PCB components.
Details spare parts for the radio body.
Describes the TMAA01-01 line-interface board, its operation, configuration, and installation.
Details the TMAA01-02 RS-232 board, its operation, installation, and interface specification.
Covers the TMAA01-05 options-extender board, link changes, installation, and interface.
Describes the TMAA02-02 DTMF microphone, its operation, installation, and programming.
Details the TMAA02-06 support kit for concealed and dynamic microphones, installation, and programming.
Covers the installation and radio programming for the concealed microphone.
Describes the TMAA02-08 keypad microphone, its operation, installation, and programming.
Explains the use, installation, and removal of the TMAA03-02 security bracket.
Provides instructions for installing a remote kit for graphical-display radios.
Details the installation of an enhanced remote kit for graphical-display radios.
Describes the TMAA04-04 crossband linking cable for repeater applications.
Explains the installation and radio programming for the TMAA04-05 ignition sense kit.
Covers the operation, installation, adjustment, and interface of the TMAA10-01 desktop microphone.
Details the installation, radio programming, and interface of the TMAA10-02 handset.
Describes the installation of high-power remote speakers.
Covers VOX operation, installation, and radio programming for remote PTT and hands-free kits.
Details the operation, installation, adjustment, and interface of the TMAA10-07 desktop microphone.
Describes the TOPA-SV-024 test unit and its test equipment setup.
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