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Icom IC-M32 - Service Manual

Icom IC-M32
30 pages
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VHF MARINE TRANSCEIVER
iC-m32

Other manuals for Icom IC-M32

Questions and Answers

  • T
    Tracy SmithSep 12, 2025
    How to fix Icom Transceiver battery not charging?
    • S
      Shannon SmithSep 12, 2025
      If your Icom Transceiver's battery isn't charging or holding a charge, start by recharging the battery pack. Also, check the connection to the transceiver to ensure it's properly connected.
  • R
    Ryan PughSep 13, 2025
    How to turn on beep tones on Icom Transceiver?
    • J
      Julian Sullivan MDSep 13, 2025
      If the beep tones on your Icom Transceiver are not functioning, set the beep tones to ON (Fix Beep/User Beep) in SET mode.
  • K
    Kimberly GonzalesSep 15, 2025
    What to do if Icom Transceiver shows internal temperature abnormality?
    • J
      James PattersonSep 16, 2025
      If your Icom Transceiver indicates an internal temperature abnormality, leave the transceiver at room temperature for a while. Then, turn the power back on to check if the internal temperature has returned to normal.

Summary

INTRODUCTION AND SAFETY

DANGER WARNINGS

Critical safety precautions regarding voltage and liquid exposure.

SECTION 1 SPECIFICATIONS

GENERAL SPECIFICATIONS

Details on frequency, impedance, power, dimensions, and environmental limits.

TRANSMITTER SPECIFICATIONS

RF output power, deviation, spurious emissions, audio characteristics.

SECTION 3 DISASSEMBLY INSTRUCTIONS

REAR PANEL AND CHASSIS REMOVAL

Step-by-step guide to remove the rear panel and chassis unit.

MAIN UNIT SEPARATION

Procedure for detaching the main unit from the chassis.

SECTION 4 CIRCUIT DESCRIPTION - RECEIVER

SECTION 4 CIRCUIT DESCRIPTION - TRANSMITTER AND SQUELCH

SECTION 4 CIRCUIT DESCRIPTION - PLL AND POWER SUPPLY

SECTION 4 CIRCUIT DESCRIPTION - PORT ALLOCATIONS

SECTION 5 ADJUSTMENT PROCEDURES - PREPARATION

EQUIPMENT AND MODE ENTRY

Required equipment and steps to enter adjustment mode.

SECTION 5 ADJUSTMENT PROCEDURES - CONNECTION AND PANEL HANDLING

TEST EQUIPMENT CONNECTION

Diagrams for connecting test equipment for adjustments.

TOP PANEL HANDLING CAUTIONS

Warnings and instructions for detaching/attaching the top panel.

SECTION 5 ADJUSTMENT PROCEDURES - SENSITIVITY ADJUSTMENTS

LOCK VOLTAGE ADJUSTMENT

Procedure to adjust the PLL lock voltage.

RX SENSITIVITY ADJUSTMENT

Procedure to set the receiver sensitivity.

SECTION 5 ADJUSTMENT PROCEDURES - SPECIFIC ADJUSTMENTS

REFERENCE FREQUENCY AND OUTPUT POWER

Adjusting frequency, high/low output power, and extra-low power.

FM DEVIATION AND SQUELCH LEVEL

Adjusting frequency deviation and squelch sensitivity.

SECTION 6 PARTS LIST - MAIN UNIT COMPONENTS

SECTION 6 PARTS LIST - MAIN UNIT PASSIVES

SECTION 6 PARTS LIST - ADDITIONAL MAIN UNIT PARTS

SECTION 6 PARTS LIST - CHASSIS AND ACCESSORIES

SECTION 7 MECHANICAL PARTS AND DISASSEMBLY

SECTION 7 MECHANICAL PARTS AND DISASSEMBLY - ASSEMBLY

EXPLODED VIEWS AND PART IDENTIFICATION

Diagrams showing assembly of chassis and main unit parts.

ASSEMBLY AND WATERPROOFING NOTES

Important notes on reassembly, O-rings, and sealing for water resistance.

SECTION 8 SEMI-CONDUCTOR INFORMATION

SECTION 9 BOARD LAYOUTS - MAIN UNIT TOP VIEW

SECTION 9 BOARD LAYOUTS - MAIN UNIT BOTTOM VIEW

SECTION 10 BLOCK DIAGRAM

SECTION 11 VOLTAGE DIAGRAM - MAIN UNIT

SECTION 11 VOLTAGE DIAGRAM - ADDITIONAL POINTS

Icom IC-M32 Specifications

General IconGeneral
TypeHandheld VHF Marine Transceiver
ModeFM
Output Power5W / 1W
Waterproof RatingIPX7 (1m for 30 minutes)
Current Drain (at 3W)Approx. 1.3A

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