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General| Brand | Codan |
|---|---|
| Model | X-2 |
| Category | Transceiver |
| Language | English |
Covers PA power supply, filter selection, gain control, driver stages, output stage, and ALC.
Provides general fault diagnosis, specific tests for transistors, ICs, voltage measurements, and no reception issues.
Lists essential test equipment for performing adjustments and checks on the transceiver.
Explains how to select and use the special Test Mode for various alignment and check procedures.
Covers checking and adjusting VCO1 and VCO2 for proper frequency operation.
Introduces two methods for aligning the 45 MHz roofing filter.
Explains how to align the 455 kHz IF transformers and the Noise Limiter.
Explains that adjustments are needed for reference frequency on USB channels.
Covers adjustments for driver bias, PA bias, output power, and intermodulation.
Covers checks for sensitivity, AGC, audio output, and selectivity.
Covers checks for frequency, ALC, power output, intermodulation, and emergency call.
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