INTRODUCTION

This service manual describes the latest service information for the IC-M88VHF MARINE TRANSCEIVER at the time of publication.

Model

Version

Symbol

FM I/S

Battery pack

 

 

 

 

 

 

 

 

U.S.A.

USA

NO

BP-227

IC-M88

 

 

 

USA-1

YES

BP-227FM

 

 

 

 

 

 

 

 

 

S.E. Asia

SEA

NO

BP-227

 

 

 

 

 

 

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

DANGER

NEVER connect the transceiver to an AC outlet or a DC power supply that uses more than 8.3 V. This will ruin the transceiver.

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

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

DO NOT apply an RF signal of more than 20 dBm (100 mW) to the antenna connector. This could damage the transceiverís 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>

1110002750

S.IC TA7S01F

IC-M88

MAIN UNIT

1 piece

8210019100

2600 Front panel

IC-M88

CHASSIS

5 pieces

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

REPAIR NOTES

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

2.DO NOT open the transceiver until the transceiver is disconnected 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 insulated tuning tool MUST be used for all adjustments.

5.DO NOT keep power ON for a long time when the transceiver is defective.

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

7.ALWAYS connect a 40 dB or 50 dB attenuator between the transceiver and a deviation meter or spectrum analyzer when using such test equipment.

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