Codan 9323 - Service Manual

HF SSB Transceiver
9323, 9360, 9390 and 9780
Technical Service Manual
No part of this handbook may be reproduced, transcribed, translated into any
language or transmitted in any form whatsoever without the prior written consent
of Codan Pty Ltd
 1994 Codan Pty Ltd.
Codan part number 15-02051 Issue 4, August 1997

Codan 9323 Specifications

General

Brand	Codan
Model	9323
Category	Transceiver
Language	English

Summary

2 General Information

Receiver and Transmitter Specifications

Details specific performance parameters for receiver and transmitter functions.

4 Technical Description

Power and Switching Circuits

Details power supply, switching, and voltage regulation circuits.

Receiver Signal Path Details

Details the receiver's signal processing stages, filters, amplifiers, AGC, and audio output.

Transmitter Exciter and Synthesiser Details

Control Panel Functions and Peripherals

Alignment and Performance Tests

Details alignment procedures for filters, VCOs, and performance checks for TX/RX.

5 Maintenance

Safety and Handling Precautions

Disassembly and Component Replacement

Fault Diagnosis and Troubleshooting

Guides for diagnosing faults, checking voltages, and resolving common issues.

6 Channel Additions

Programming Channels with TxD;TxE Options

7 Adjustments

Introduction and Test Setup

VCO, Filter, and Transformer Alignment

Frequency, Mute, PA, and Receiver Adjustments

Covers frequency calibration, mute adjustment, PA bias/power, and receiver performance checks.

Transmitter Performance and Emergency Call Checks

Details transmitter performance tests, IMD, and emergency call function checks.

8 Parts List