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

EXPLICIT DEFINITIONS

U.S.A. version

European version

136–155 MHz

146–174 MHz

25 kHz/12.5 kHz

Table of Contents