Realistic HTX-100 Service Manual

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Realistic HTX-100 Service Manual
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Realistic HTX-100 Specifications

General

Brand	Realistic
Model	HTX-100
Category	Transceiver
Language	English

Summary

Specifications

General Specifications

General operational parameters and characteristics of the transceiver.

Measurement Conditions

Conditions under which performance measurements are taken.

Disassembly Instructions

Block Diagram

Circuit Description

PLL Circuit

Detailed explanation of the Phase Locked Loop frequency control system.

Microcomputer Peripheral Circuits

Description of circuits connected to the main microcomputer.

Alignment Procedures

PLL and Carrier Oscillator Alignment

Steps to align PLL and carrier oscillator circuits for accuracy.

Transmitter Portion Alignment

Calibration steps for the transceiver's transmitter section.

Receiver Portion Alignment

Calibration steps for the transceiver's receiver section.

Alignment Point Locations

Troubleshooting Hints

Transmitter Section Troubleshooting

Guidance for diagnosing and fixing transmitter-related issues.

Receiver Section Troubleshooting

Guidance for diagnosing and fixing receiver-related issues.

PLL Section Troubleshooting

Guidance for diagnosing and fixing PLL-related issues.

Microprocessor Section Troubleshooting

Guidance for diagnosing and fixing microprocessor-related issues.

PCB Views and Parts Lists

PCB (Top and Bottom) VIEWS

Visual layouts of Printed Circuit Boards, top and bottom.

Electrical Parts List

Comprehensive list of electronic components used in the transceiver.

Mechanical Parts List

List of all mechanical parts and hardware for the transceiver.

Component Data

Transistor Voltage Chart

Voltage readings for transistor terminals under various modes.

IC Voltage Chart

Voltage readings for integrated circuit pins under various modes.

Semiconductor Lead Identification

Diagrams showing lead configurations for semiconductors.

IC Internal Diagram

Internal block diagrams of key integrated circuits.