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TABLE OF CONTENTS

SECTION 1 SPECIFICATIONS

SECTION 2 INSIDE VIEW

SECTION 3 DISASSEMBLY INSTRUCTIONS

SECTION 4 CIRCUIT DESCRIPTION

4 - 1 RECEIVER CIRCUITS.................................................................................................................................4 - 1

4 - 2 TRANSMITTER CIRCUITS..........................................................................................................................4 - 2

4 - 3 PLL CIRCUITS .............................................................................................................................................4 - 3

4 - 4 POWER SUPPLY CIRCUITS.......................................................................................................................4 - 4

4 - 5 PORT ALLOCATIONS..................................................................................................................................4 - 4

SECTION 5 ADJUSTMENT PROCEDURES

5 - 1 PREPARATION ............................................................................................................................................5 - 1

5 - 2 PLL ADJUSTMENT ......................................................................................................................................5 - 3

5 - 3 TRIMMER ADJUSTMENT............................................................................................................................5 - 4

5 - 4 BEEP ADJUSTMENT...................................................................................................................................5 - 6

SECTION 6 PARTS LIST

SECTION 7 MECHANICAL PARTS

SECTION 8 SEMI-CONDUCTOR INFORMATION

SECTION 9 BOARD LAYOUTS

9 - 1 FRONT UNIT (IC-F410/F420)......................................................................................................................9 - 1

9 - 2 FRONT UNIT (IC-F410S/F420S) .................................................................................................................9 - 3

9 - 3 MAIN UNIT...................................................................................................................................................9 - 5

SECTION 10 BLOCK DIAGRAM

SECTION 11 VOLTAGE DIAGRAM

11 - 1 FRONT UNIT..............................................................................................................................................11 - 1

11 - 2 MAIN UNIT .................................................................................................................................................11 - 2

Frequency Coverage Channel Spacing

L-band 400–430 MHz 25/12.5 kHz

ML-band 440–470 MHz 25/12.5 kHz

MH-band 470–490 MHz 25/12.5 kHz

H-band 490–520 MHz 25/12.5 kHz

EXPLICIT DEFINITIONS

• IC-F410/F410S [PMR (Personal Mobile Radio)]

Frequency Coverage Channel Spacing

L-band 400–430 MHz 25/12.5 kHz

ML-band 450–470 MHz 25/12.5 kHz

MH-band 470–490 MHz 25/12.5 kHz

H-band 490–512 MHz 25/12.5 kHz