Icom IC-V8000 service manual Introduction, Ordering Parts, Repair Notes

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INTRODUCTION

 

DANGER

 

 

 

This service manual describes the latest service information for the IC-V8000VHF FM TRANSCEIVER at the time of pub- lication.

VERSION

SYMBOL

SUPPLIED MICROPHONE

Asia

SEA

HM-118N

 

 

 

C.S.America

CSA

HM-118TN

 

 

CSA-1

HM-133V

 

 

 

U.S.A.

USA-2

 

 

 

USA-3

HM-118TAN

 

 

 

 

To upgrade quality, any electrical or mechanical parts and internal circuits are subject to change without notice or obligation.

NEVER connect the transceiver to an AC outlet or to a DC power supply that uses more than 16 V. This will ruin the transceiver.

DO NOT expose the transceiver to rain, snow or any liquids.

DO NOT reverse the polarities of the power supply when connecting the transceiver.

DO NOT apply an RF signal of more than 20 dBm (100mW) to the antenna connector. This could damage the trans- ceiver's front end.

ORDERING PARTS

Be sure to include the following four points when ordering replacement parts:

1.10-digit order numbers

2.Component part number and name

3.Equipment model name and unit name

4.Quantity required

<SAMPLE ORDER>

1110003200 S.IC TA31136FN

IC-V8000

MAIN UNIT

5 pieces

8810006050 Screw Icom screw E7

IC-V8000

Chassis

10 pieces

Addresses are provided on the inside back cover for your convenience.

REPAIR NOTES

1.Make sure a problem is internal before disassembling the transceiver.

2.DO NOT open the transceiver until the transceiver is dis- connected from its power source.

3.DO NOT force any of the variable components. Turn them slowly and smoothly.

4.DO NOT short any circuits or electronic parts. An insulat- ed turning tool MUST be used for all adjustments.

5.DO NOT keep power ON for a long time when the trans- ceiver is defective.

6.DO NOT transmit power into a signal generator or a sweep generator.

7.ALWAYS connect a 50 dB to 60 dB attenuator between the transceiver and a deviation meter or spectrum ana- lyzer when using such test equipment.

8.READ the instructions of test equipment thoroughly before connecting equipment to the transceiver.

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Contents VHF FM Transceiver Repair Notes IntroductionOrdering Parts Table of Contents ‘ Transmitter Specifications‘ General ‘ ReceiverLogic Board Inside ViewsMain Unit Removing the Cover Removing the Main Unit Disassembly and Option InstructionsOptional Unit Installation Removing the Front PanelCircuit Description Receiver CircuitsTransmitter Circuits Power Supply Circuits PLL CircuitsPin Port Description Number Name Port AllocationsCPU Logic Unit IC7 Pin Port Description Number 2 D/A Convertor IC Main Unit IC53 I/O Expander IC Main Unit IC2 Parts List Order DescriptionElectrolytic ECEV1CA100SR Diode HVU131TRF Tantalum ECST1VY334R Tantalum ECST1CX106R Chassis Parts Mechanical Parts and DisassemblyAccessories Page 32, Kamiminami, Hirano-ku, Osaka, 547-0003, Japan

IC-V8000 specifications

The Icom IC-V8000 is a powerful mobile transceiver that has made a mark among amateur radio enthusiasts due to its impressive features and robust performance. It operates on the VHF band and boasts a broad frequency range, making it ideal for both local and long-distance communication. The Icom IC-V8000 is perfect for those who need a reliable and versatile radio for various applications, from mobile use in vehicles to stationary use in remote locations.

One of the standout features of the IC-V8000 is its high power output capability, offering up to 75 watts of transmit power. This allows users to achieve extended range communication without the need for additional amplifiers. The transceiver also has a dual band capability, allowing it to receive on VHF and UHF frequencies, which expands its functionality and usefulness in different communication scenarios.

The radio includes advanced digital signal processing (DSP) technology that enhances audio clarity by minimizing background noise and improving overall sound quality. This is particularly useful during crowded band conditions or when communicating with stations at the edge of range. The IC-V8000 is also equipped with a wide variety of scanning features, including memory channel scanning and priority scanning, which enable users to keep track of multiple frequencies simultaneously.

The IC-V8000 features a large, easy-to-read LCD display that provides vital information at a glance. The display is backlit, making it easy to read in low-light conditions. The user interface is intuitive and user-friendly, allowing quick access to essential controls and functions. The transceiver supports a range of accessories, including external microphones and speaker systems, which can enhance the overall communication experience.

Another notable characteristic of the Icom IC-V8000 is its rugged construction. Built with durability in mind, the radio can withstand the rigors of mobile use, making it suitable for various environments. Additionally, it has a built-in thermal protection system to prevent overheating during extended use.

In conclusion, the Icom IC-V8000 is an exceptional VHF mobile transceiver that combines high power output, advanced technology, and user-friendly features. Whether for everyday communication, emergency services, or casual hobby use, the IC-V8000 stands out as a versatile and dependable choice in the world of amateur radio. Its robust performance and comprehensive feature set make it a favorite among avid radio operators.