Why is my Tait Portable Radio not charging?
The Tait Portable Radio charger may not initiate charging if the battery pack's temperature is either too hot or too cold. Charging will commence automatically once the battery pack's temperature falls within the range of 41°F (5°C) to 104°F (40°C).
What to do if there is insufficient voltage to the Tait TP9100 Portable Radio charger?
To resolve insufficient voltage to the Tait Portable Radio charger, verify that you are using the correct power adapter.
General| Channel Spacing | 12.5 kHz, 20 kHz, 25 kHz |
|---|---|
| Digital Protocol | DMR Tier II |
| Operating Temperature | -30°C to +60°C |
| Frequency Range | 400-470 MHz |
| Power Output | 5W |
| Audio Output | 1W |
| Operating Voltage | 7.4 V (nominal) |
| RF Output Power | 5W |
Explains the radio's hardware architecture, including main board and front-panel interface, and its software modules.
Explains the frequency synthesizer, including the FCL, RF PLL, and their operation for frequency generation and control.
Describes the exciter, driver, power amplifier, and power control loop of the transmitter.
Details the receiver's triple-conversion superheterodyne type, including front-end, mixers, and IF stages.
Explains the frequency synthesizer, its power supplies, and key components like VCOs, PLL, and loop filters.
Describes the CODEC devices and audio circuitry, covering analog-to-digital conversion and audio signal processing.
Details the internal power supplies, including regulators and SMPS, used by the radio's various modules.
Lists required tools, test equipment, and describes the service kit contents for radio servicing.
Outlines essential precautions for servicing, including mechanical, compliance, anti-static, and transmitter safety.
Provides instructions on setting up test equipment and connecting it to the radio for servicing.
Describes how to enter and use the CCTM for radio diagnostics and parameter adjustment.
Step-by-step instructions for disassembling the radio, including knobs, chassis, and main board.
Step-by-step instructions for reassembling the radio, including fitting components like the speaker and main board.
Outlines the initial tasks required for all radios, including administration, inspection, and configuration checks.
Guides on checking transmit and receive functions, including synthesizer lock and power levels.
Describes the final steps after repair, including enabling software features, final inspection, testing, and administration.
Covers initial checks of required power supplies (+3V3, +1V8, +1V5) for radio operation.
Diagnoses faults in the +3V3 and +1V5 Switch Mode Power Supplies (SMPS).
Provides steps to check the operation of linear regulators for various voltage supplies.
Covers initial checks for system errors and lock status to diagnose synthesizer issues.
Details the power supply checks for the frequency synthesizer, including 14V, 5V, 4.3V, and 3V supplies.
Guides on checking the PLL's charge pump supply, reference frequency, and control lines.
Describes checks for loop voltage, VCO, reference voltage, feedback voltage, and DIG SYN FAST line.
Troubleshooting steps for receive VCO and related circuitry in UHF radios, covering frequency checks and PLL feedback.
Troubleshooting steps for transmit VCO and related circuitry in UHF radios, covering frequency checks and PLL feedback.
Troubleshooting steps for VCO and related circuitry in VHF radios, covering frequency checks and PLL feedback.
Checks the 7.5VDC and 5VDC power supplies required for the transmitter operation.
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