Icom IC-756PRO & IC-756PROM Schematic Diagram
This document provides detailed schematic diagrams for the Icom IC-756PRO and IC-756PROM radio transceivers. The diagrams illustrate the internal circuitry and component connections across various units of the equipment.
Unit Overviews
The schematics are organized by functional units, including:
- Main Unit: Contains the core processing and control circuitry.
- PA Unit: Details the power amplifier stages.
- Tuner Board: Shows the antenna tuning circuitry.
- Filter Unit: Illustrates the various filtering stages.
- DSP Unit: Depicts the digital signal processing components.
- Memory Board: Outlines the memory and data storage circuits.
- NIC Board: Likely related to noise reduction or signal conditioning.
- PBT Board: Possibly related to passband tuning.
- Phone Board: Indicates connections for audio input/output or control.
- Key Board: Shows the interface for keying or control inputs.
- MIC Board: Details the microphone input circuitry.
- Display Board: Illustrates the connections for the display unit.
- BIT Board: May relate to built-in test equipment or diagnostics.
Component Identification
The diagrams label various electronic components, including integrated circuits (ICs), transistors, resistors, capacitors, inductors, diodes, and connectors. Specific part numbers and reference designators are provided for each component.
Interconnections
Extensive wiring and signal paths are shown, connecting components within each unit and between different units. These connections are critical for understanding the signal flow and operational logic of the transceiver.
Downloaded Information
This document was downloaded from RadioAmateur.EU, indicating its availability as a resource for radio enthusiasts and technicians.
