Equipment information:

Icom IC-475E Transceiver
Manufacturer:
Icom
Model: IC-475E
Date: 1989
Category: Radio, Communication
Group: Transceiver
Description: 430 MHz ALL MODE TRANSCEIVER
Information:
                                    

These manuals are available for the above equipment:

Icom -- IC-475E -- Service Manual
File name: Icom-7453-Manual-Page-1-Picture
Manual Type: Service Manual
Pages: 123
Size: 22.90 Mbytes (24016031 Bytes)
Language: english
Revision:
Manual-ID/Number: A-1031H-N
Date: 1989
Quality: Scanned document, all readable.
Upload date:
MD5: 914ce7f98782ff3fd9c9f13a1b07ec6f
ed2kID: 3ddce11eccf6f9507d1c90b3ea856770
Downloads: 59 since 06 January 2016
Information:
This service manual covers ail service information related
to the theoretical, physical, mechanical and electrical
characteristics of the IC-475A/E/H 430MHz ALL MODE TRANSCEIVER.

SECTION 1
SPECIFICATIONS.....................................................................................................
1 — 1—2
SECTION 2 OUTSIDE AND INSIDE
VIEWS................................................................................
2 — 1-5
2-1 OUTSIDE
VIEWS....................................................................................................................
2—1
2-2 INSIDE
VIEWS........................................................................................................................
2 — 4
SECTION 3 BLOCK
DIAGRAMS............................................................................................................
3 — 1
SECTION 4 CIRCUIT
DESCRIPTION...........................................................................................
4 — 1-14
4-1 RECEIVER
CIRCUITS............................................................................................................
4— 1
4-2 TRANSMITTER
CIRCUITS....................................................................................................
4—3
4-3 STANDBY CONTROL
CIRCUIT............................................................................................
4—6
4-4 PLL
CIRCUITS.....................................................................................................................
4—6
4 - 5 LOGIC
CIRCUITS..................................................................................................................
4— 9
4 - 6 SWITCHING REGULATOR CIRCUIT (IC-475A/E
ONLY).................................................. 4—14
SECTION 5 MECHANICAL PARTS AND
DISASSEMBLY......................................................
5-1-7
5 -1 FRAME
DISASSEMBLY........................................................................................................
5 — 1
5 - 2 FRONT PANEL
DISASSEMBLY..........................................................................................
5 — 2
5-3 REAR PANEL
DISASSEMBLY...........................................................................................
5 — 3
5 - 4 FRONT, LOGIC AND PLL UNITS CONNECTOR
ASSEMBLY.......................................... 5 — 4
5-5 FRONT, MAIN AND RF YGR UNITS CONNECTOR
ASSEMBLY.................................... 5 — 5
5-6 PA AND REG UNITS CONNECTOR ASSEMBLY
(IC-475A/E).......................................... 5 — 6
5-7 PA, CTRL AND FILTER UNITS CONNECTOR ASSEMBLY
(IC-475H).......................... 5 — 7
SECTION 6 MAINTENANCE AND
ADJUSTMENT.................................................................
6 — 1-25
6 -1 PREPARATION BEFORE
SERVICING................................................................................
6 — 1
6-2 PLL
ADJUSTMENT.............................................................................................................
6—2
6-3 FREQUENCY
ADJUSTMENT................................................................................................
6—4
6-4 RECEIVER
ADJUSTMENT...................................................................................................
6—6
6 - 5 TRANSMITTER ADJUSTMENT
(IC-475H)...........................................................................
6 — 12
6 - 6 TRANSMITTER ADJUSTMENT
(IC-475A/E).......................................................................
6 — 18
6-7 TONE
ADJUSTMENT.........................................................................................................
6 — 24
SECTION 7 BOARD
LAYOUTS.....................................................................................................
7 — 1-22
7-1 FRONT UNITS
(1)...............................................................................................................
7— 1
7-2 FRONT UNIT
(2).....................................................................................................................
7—2
7-3 LOGIC AND SENSOR
UNITS.............................................................................................
7—4
7-4 PLL AND DDS
UNITS...........................................................................................................
7—6
7-5 MAIN
UNIT............................................................................................................................
7—8
7-6 RF YGR UNIT
(IC-475A/E)...................................................................................................
7 — 10
7-7 RF YGR UNIT
(IC-475H).......................................................................................................
7—12
7-8 REG UNIT (IC-475A/E
ONLY)...............................................................................................
7 — 14
7-9 PA UNIT
(IC-475A/E).............................................................................................................
7 — 16
7 -10 CTRL UNIT (IC-475H
ONLY)...............................................................................................
7 — 18
7-11 PA UNIT
(IC-475H)...............................................................................................................
7 — 20
7 -12 FILTER UNIT (IC-475H
ONLY)...........................................................................................
7 — 22
SECTION 8 VOLTAGE
DIAGRAMS............................................................................
8 — 1 ~ 7
8-1 FRONT
UNIT.......................................................................................................................
8—1
8-2 LOGIC
UNIT.........................................................................................................................
8-2
8-3 PLL
UNIT............................................................................................................................
8 — 3
8-4 MAIN
UNIT...........................................................................................................................
8 — 4
8-5 RF YGR
UNIT.......................................................................................................................
8 — 5
8 - 6 REG AND PA UNITS (IC-475A/E
ONLY)...........................................................................
8 — 6
8-7 CTRL, PA AND FILTER UNITS (IC-475H
ONLY).............................................................
8 — 7
SECTION 9 PARTS
LIST...........................................................................................
9 — 1-20
Icom-7453-Manual-Page-1-Picture
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