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Introduction to the Icom IC-PCR1000 communication receiver service manual.
Essential safety precautions for operation and handling.
Detailed technical specifications of the IC-PCR1000.
Explanation of the receiver's electrical circuits and functions.
Instructions for calibrating and adjusting the receiver's performance.
Parameters such as frequency range, modes, stability, and power.
Metrics including sensitivity, squelch, selectivity, and audio output.
Details mixer circuits and local oscillator signal generation.
Operation of squelch and noise blanker circuits for signal muting.
Detailed explanation of the 1st and 2nd LO PLL circuits.
PLL circuit details and power supply voltage lines on the logic unit.
Necessary hardware and software for receiver calibration.
Calibrating reference frequency and LO PLL lock voltages.
Procedures for IF peak tuning and LCT terminal status checks.
Adjusting total gain and WFM receiver performance.
Tuning the noise blanker and receiver sensitivity levels.
Software procedures for setting frequency and tuning BPFs.
Adjusting S-meter and scope functions using software.
Setting noise squelch timing and level via software.