Icom IC-7300 Service Manual

TABLE OF CONTENTS
SECTION 1 SPECIFICATIONS
SECTION 2 INSIDE VIEWS
SECTION 3 CIRCUIT DESCRIPTION
3-1 PA UNIT ............................................................................................................ 3-1
3-2 RF UNIT ............................................................................................................ 3-2
3-3 MAIN UNIT ........................................................................................................ 3-3
SECTION 4 ADJUSTMENT PROCEDURE
4-1 PREPARATION ................................................................................................. 4-1
4-2 RECEIVE ADJUSTMENTS ............................................................................... 4-2
4-3 TX IDLING CURRENT ADJUSTMENTS .......................................................... 4-3
4-4 TX POWER ADJUSTMENTS ............................................................................ 4-4
4-5 TX AMPLIFIER ADJUSTMENTS ...................................................................... 4-5
4-6 FREQUENCY ADJUSTMENTS ........................................................................ 4-6
SECTION 5 PARTS LIST
SECTION 6 MECHANICAL PARTS
SECTION 7 BOARD LAYOUTS
SECTION 8 GENERAL WIRING
SECTION 9 BLOCK DIAGRAM
SECTION 10 SCHEMATIC DIAGRAM

Icom IC-7300 Specifications

General

Product type	Portable CB radio
Product color	Black
Housing material	Steel
Input voltage	13.8 V
Microphone included	Yes
Output power	100 W
Frequency range	0.5 - 70 MHz
Channels quantity	101 channels
Compatible products	AH-2B; AH-4; AH-5NV; AH-710; AH-740; CT-17; HM-219; MB-118; MB-123; OPC-2321; OPC-420; OPC-599; PS-126; RC-28; SM-30; SM-50; SP-23; SP-33; SP-34; SP-35; SP-35L; SP-38; SP-41;
Display type	LCD

Weight and Dimensions

Depth	238 mm
Width	240 mm
Height	94 mm