EXPLICIT DEFINITIONS
VERSIONS
LMR (Land Mobile Radio)
PMR (Personal Mobile Radio)
F320/F320S
F310/F310S
U.S.A. version
European version
FREQUENCY COVERAGE
L-band
H-band
136–155 MHz
146–174 MHz
CHANNEL SPACING
Wide/Narrow-type 25 kHz/12.5 kHz
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 - 5
SECTION 6 PARTS LIST
SECTION 7 MECHANICAL PARTS
SECTION 8 SEMI-CONDUCTOR INFORMATION
SECTION 9 BOARD LAYOUTS
9 - 1 FRONT UNIT (IC-F310/F320)......................................................................................................................9 - 1
9 - 2 FRONT UNIT (IC-F310S/F320S) .................................................................................................................9 - 3
9 - 3 MAIN UNIT (IC-F310/F310S).......................................................................................................................9 - 5
9 - 4 MAIN UNIT (IC-F320/F320S).......................................................................................................................9 - 7
SECTION 10 BLOCK DIAGRAM
SECTION 11 VOLTAGE DIAGRAM
11 - 1 FRONT UNIT..............................................................................................................................................11 - 1
11 - 2 MAIN UNIT .................................................................................................................................................11 - 2