Icom IC-435 - User Manual

Details on transmitting frequency, channel spread, stability, mode, output power, and deviation.

Information on receiving frequency, channel spread, sensitivity, selectivity, and squelch.

Identification and description of front panel controls for 2 and 12 channel versions.

Details on rear panel connectors for antenna, speaker, and power.

A comprehensive block diagram illustrating the IC-435 system architecture.

Instructions on how to program operating frequencies for the transceiver.

Steps and diagram for disassembling the radio's chassis.

Essential safety and handling precautions before performing maintenance.

List of necessary test equipment for performing adjustments and measurements.

Procedures for verifying power supply voltages for various units.

Adjustments for PLL reference frequency, divider input, VCO, output levels, and local oscillator frequency.

Procedures for adjusting receiver total gain, IF filter, and squelch settings.

Steps for preparing, adjusting transmitter output power, and adjusting modulation.

DC voltage readings for the 2-channel control unit.

DC voltage readings for the 12-channel control unit.

How to operate and program the multi-tone sequential decoder.

Complete schematic diagram of the IC-435 radio system.