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Standart Horizont HX380 User Manual

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SERVICE MANUAL
VHF FM Marine Transceiver
HX380
EM039N90A
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Standart Horizont HX380 Specifications

General IconGeneral
BrandStandart Horizont
ModelHX380
CategoryTransceiver
LanguageEnglish

Summary

Specifications

General

General specifications of the HX380 transceiver, including frequency ranges and operating conditions.

Transmitter

Transmitter specifications of the HX380, covering power output and modulation.

Receiver

Receiver specifications of the HX380, including circuit type and sensitivity.

Exploded View & Miscellaneous Parts

Exploded View

Visual breakdown of the transceiver's components and their assembly.

Miscellaneous Parts List

Listing of accessory parts associated with the transceiver.

Block Diagram

Circuit Block Diagram

High-level schematic illustrating the internal circuitry and signal flow of the HX380.

Circuit Description

Circuit Configuration by Frequency

Description of the receiver and transmitter circuit configurations based on frequency.

Receiver System

Detailed explanation of the HX380's receiver stages, from front-end to IF.

Transmitter System

Detailed explanation of the HX380's transmitter stages, including mic amplifier.

PLL Frequency Synthesizer

Explanation of the Phase-Locked Loop system for frequency generation.

Alignment Procedures

Test Equipment and Preparation

List of test equipment and guidelines for preparing transceiver alignment.

Alignment Mode Setup

Steps to enter alignment mode and configure PLL/Receiver settings.

Squelch Adjustments

Procedures for adjusting squelch threshold and tight levels.

Transmitter and Deviation Adjustments

Procedures for adjusting TX power and deviation parameters.

Exiting Alignment Mode

Instructions for properly exiting the alignment mode.

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