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Provides service information for the IC-2720H transceiver.
Highlights essential safety precautions for operation and repair.
Details frequency, mode, temperature, power, and sensitivity.
Illustrates components on top and bottom of control and main units.
Step-by-step guides for disassembling main and control units.
Explains receiver signal paths, mixers, IF, AF, and squelch circuits.
Covers mic amp, modulation, power amps, APC, PLL, and VCO circuits.
Details voltage lines and port assignments for all units.
Lists all components for control, main, and VCO units.
Lists chassis, unit mechanical parts, and accessory items.
Provides schematic symbols for transistors, FETs, and diodes.
Shows component placement on control, main, and VCO unit PCBs.
Presents a high-level overview of the transceiver's functional blocks.
Illustrates the signal flow within the receiver system.
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