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Icom IC-12GE User Manual

Icom IC-12GE
37 pages
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Icom IC-12GE Specifications

General IconGeneral
BrandIcom
ModelIC-12GE
CategoryTransceiver
LanguageEnglish

Summary

SECTION 1 INSIDE VIEWS

1-1 MAIN UNIT

Provides internal views of the main unit for IC-12GAT and IC-12GE, detailing key circuits.

1-2 RF UNIT

Presents internal views of the RF unit, highlighting its essential components and circuitry.

1-3 SPEAKER AND DTMF UNITS

Shows internal views of the speaker and DTMF units, illustrating their respective components.

SECTION 2 MECHANICAL PARTS AND DISASSEMBLY

SECTION 3 ADJUSTMENT PROCEDURES

3-1 PREPARATION BEFORE SERVICING

Outlines critical notes and required test equipment for effective and safe servicing procedures.

3-2 PLL ADJUSTMENT

Details step-by-step procedures for adjusting the PLL lock voltage and reference frequency.

3-3 RECEIVER ADJUSTMENT

Covers the procedures for fine-tuning receiver sensitivity and calibrating the S-meter.

3-4 TRANSMITTER ADJUSTMENT

Explains methods for adjusting transmitter output power and frequency deviation for optimal performance.

SECTION 4 BOARD LAYOUTS

4-1 LOGIC UNIT

Displays component and foil side layouts of the logic units for clear circuit identification.

4-2 MAIN UNIT

Shows component and foil side layouts of the main unit for accurate component identification.

4-3 RF UNIT

Provides component and foil side layouts of the RF unit for component identification.

4-4 ATTACHED UNITS (RF UNIT)

Illustrates layouts for various attached RF units, including VCO, IF, PLL, LPF, and APC.

4-5 DTMF AND TONE UNITS (IC-12GAT ONLY)

Presents layouts for the DTMF and Tone units specifically for the IC-12GAT model.

SECTION 5 PARTS LIST

SECTION 6 VOLTAGE DIAGRAM

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