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)]