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
• IC-F420/F420S [LMR (Land Mobile Radio)]
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