Icom IC-775

TABLE OF
CONTENTS
SECTION 1
SPECIFICATIONS
1-1
SECTION 2
DISASSEMBLY
AND OPTION
INSTALLATIONS
2
-
1 to 5
2
-
1
DISASSEMBLY
INSTRUCTIONS
2
-
1
2
-
2
OPTION
INSTALLATIONS
2
-
2
SECTION
3
INSIDE
VIEWS
3-1
to
2
SECTION 4
CIRCUIT
DESCRIPTION
4
-
1 to
13
4-1
RECEIVER
CIRCUITS
4-1
4
-
2
TRANSMITTER
CIRCUITS
4
-
5
4-3
PLL
CIRCUITS
4-8
4
-
4
ANTENNA TUNER CIRCUITS
4
-
9
4-5
LOGIC CIRCUITS
4-11
4-
6
DSP
CIRCUITS
4-13
SECTION 5
ADJUSTMENT
PROCEDURES
5-1
to
14
5
-
1
PREPARATION BEFORE
SERVICING 5
-
1
5-
2
PLL ADJUSTMENT
5-2
5-3
RECEIVER ADJUSTMENT
5-4
5
-
4
TRANSMITTER
ADJUSTMENT
5
-
8
5
-
5
TUNER
UNIT ADJUSTMENT
5-14
SECTION 6
PARTS LIST
6
-
1 to 35
SECTION 7
MECHANICAL
PARTS
7
-
1 to
7
SECTION
8
SEMI-CONDUCTOR
INFORMATION
8
-
1
SECTION
9
BOARD LAYOUTS
9
-
1 to
13
9
-
1 DSP
UNIT (IC-775DSP
only)
9
-
1
9
-
2
SW-A UNIT
9
-
2
9
-
3
SW-B
AND DISPLAY
UNITS
9
-
4
9-4
VR-AUNIT
9-5
9-5
MAIN UNIT
9-6
9-6
RFUNIT
9-7
9-7
IF UNIT
9-8
9-8
PLL UNIT
9-9
9-9
PA UNIT
9-10
9-10
FILTER UNIT
9-11
9-11
CTRL UNIT
9-12
9-12
RELAY UNIT
9-13
SECTION
10 VOLTAGE
DIAGRAM
/
BLOCK
DIAGRAM
10-1
to 6