Icom IC-H2 Service Manual

TABLE OF CONTENTS
SECTION SPECIFICATIONS ........................................ .
1 - 1
SECTION 2 OPERATING CONTROLS .................................. .
2 - 1 "'
2
SECTION 3 CIRCUIT DESCRIPTION .................................. .
3 - 1 "' 4
3 - 1 RECEIVER CIRCUITS ................................. .
3 - 1
3-2 TRANSMITTER CIRCUITS ............................. .
3-2
3 - 3 PLL CIRCUITS ....................................... .
3- 2-
3
3 - 4 OTHER CIRCUITRY .................................. .
3 - 3-
4
SECTION 4 BLOCK DIAGRAM ....................................... .
4 - 1
SECTION 5 INSIDE VIEWS .......................................... .
5 - 1
SECTION 6 MECHANICAL PARTS AND DISASSEMBLY ................. .
6 - 1 "' 5
6 - 1 DISASSEMBLY OF THE CASES ......................... .
6 - 1
6-2 DISASSEMBLY OF UNITS ............................. .
6- 2-
3
6-3 PTT SPRING ASSEMBLY .............................. .
6-3
6 -4 TOP PANEL CONSTRUCTION .......................... .
6-4
6 - 5 UNIT BOTTOM ASSEMBLY ............................ .
6-5
SECTION 7 MAINTENANCE AND ADJUSTMENT ....................... .
7 - 1 "'
9
7 - 1
MEASURING INSTRUMENTS REQUIRED FOR
ADJUSTMENT. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7 - 1
7 - 2
PRELIMINARY CHECKS................................ 7- 2
7 - 3
PREPARATION AND PROCEDURE BEFORE
SERVICING ........................................ .
7 - 2-
3
7-4 HOWTOCHECK ..................................... .
7 - 3-
5
7 - 5 BASIC ALIGNMENT PROCEDURE ....................... .
7-6"' 9
SECTION 8 BOARD LAYOUT ........................................ .
8 - 1 "'
3
SECTION 9 VOLTAGE CHARTS ...................................... .
9 - 1 "' 4
SECTION 10 TROUBLESHOOTING .................................... . 10 - 1"'
4
SECTION 11 IC SPECIFICATIONS ..................................... .
11 - 1 "'
3
SECTION 12 PARTS LIST ............................................ .
12 - 1 "' 4

Icom IC-H2 Specifications

General

Brand	Icom
Model	IC-H2
Category	Transceiver
Language	English