Introduction
This service manual provides detailed technical information for the ICOM IC-726 HF/50MHz All Mode Transceiver. It covers essential aspects for servicing, including comprehensive specifications, internal component layouts, block diagrams, mechanical part details, disassembly instructions, parts lists, and adjustment procedures.
The manual is intended for qualified technicians and outlines safety precautions, such as avoiding high voltage and incorrect power supply connections, to ensure safe and effective maintenance.
Key Sections
- Specifications: Detailed electrical and mechanical specifications for the transceiver.
- Inside Views: Visual guides to the internal units, including PLL, Main, PA, PB, and Filter units.
- Block Diagram: A comprehensive overview of the transceiver's internal circuitry.
- Mechanical Parts and Disassembly: Instructions and parts lists for disassembling and reassembling the unit.
- Adjustment Procedures: Step-by-step guides for calibrating and aligning the transceiver's functions.
Important Safety Information
Users must adhere to critical safety warnings, including never connecting the transceiver to power sources exceeding 16V DC, avoiding exposure to liquids, and ensuring correct polarity of the DC power supply. Additionally, caution is advised when applying RF signals to the antenna connector to prevent damage.