S-14131MZ-C1-q© 2005–2006 Icom Inc.

IC-M422

MAIN UNIT

LOGIC BOARD

TRANSMITTER CIRCUITS

PLL CIRCUITS

POWER SUPPLY CIRCUITS

PREPARATION

FREQUENCY ADJUSTMENT

TRANSMIT ADJUSTMENT

RECEIVE ADJUSTMENT

SQL BOARD

MECHANICAL PARTS AND DISASSEMBLY

VOLTAGE DIAGRAM

Icom IC-M422 Service Manual

OPERATING RULES

panel description

I Microphone

I Function display

basic operation

I Receiving and transmitting

I Call channel programming

I Channel comments

scan operation

I Setting TAG channels

I Operation

I MMSI code check

I DSC Address ID

i position indication

i distress call

I Transmitting DSC calls

dsc operation

transmitting a group call

transmitting an all ships call

I Receiving DSC calls

receiving a group call

other functions

I Public Address (PA) function

I Set mode items

set mode

I Fuse replacement

I Optional MB-69 installation

TROUBLESHOOTING

SPECIFICATIONS AND OPTIONS

i panel description

I Channel selection

I Lock functions

I Display backlight

I Starting a scan

I Set mode programming

I Intercom operation

I HM-157 supplied accessories

I Installation

CHANNEL LIST

TEMPLATE

front unit


Contents Table Of Contents IC-M422 MAIN UNIT LOGIC BOARD TRANSMITTER CIRCUITS PLL CIRCUITS POWER SUPPLY CIRCUITS PREPARATION FREQUENCY ADJUSTMENT TRANSMIT ADJUSTMENT RECEIVE ADJUSTMENT SQL BOARD MECHANICAL PARTS AND DISASSEMBLY VOLTAGE DIAGRAM	S-14131MZ-C1-q© 2005–2006 Icom Inc. Previous / 35