Equipment information

Icom IC-4SRA Transceiver
Manufacturer
Icom
Model IC-4SRA
Date 1991
Category: Radio, Communication
Group Transceiver
Description UHF FM TRANSCEIVERS
Information
                                    The IC-4SRA/E is a state-of-the-art handheld consisting of a
430 (440) MHz transceiver and 50-900 MHz wideband receiver,
fitting comfortably in the palm of your hand and combining
ease of use with multi-operational capability.

These manuals are available for the above equipment:

Icom -- IC-4SRA -- Service Manual
File name Icom-7457-Manual-Page-1-Picture
Manual Type Service Manual
Pages 66
Size 22.71 Mbytes (23814181 Bytes)
Language english
Revision
Manual-ID/Number A-5155F-S
Date 1991
Quality Scanned document, all readable.
Upload date
MD5 33f9837fd2378397c753dfe230298f2e
Downloads 61 since 06 January 2016
Information
SECTION
1
SPECIFICATIONS
.............................................................................
............................... 1-1,2
SECTION
2
INSIDE
VIEWS.............................................................................
............................... 2—1,2
2-1
LOGIC
UNIT............................................................................................
...........................................2-1
2-2
UHF RF UNIT
.........................................................................................
...........................................2-2
2-3
RX UNIT
................................................................................................
...........................................2-3
SECTION
3
CIRCUIT DESCRIPTION
.................................................................
..................................3-1-5
3-1
HAM BAND RECEIVER
CIRCUITS.........................................................
....................................... 3—1
3-2
HAM BAND TRANSMITTER
CIRCUITS..................................................
....................................... 3—2
3-3
HAM BAND PLL CIRCUITS
....................................................................
....................................... 3—2
3-4
RECEIVER BAND CIRCUITS
................................................................
....................................... 3—3
3-5
RECEIVER BAND PLL CIRCUITS
.........................................................
....................................... 3—4
3-6
OTHER
CIRCUITS..................................................................................
....................................... 3—5
SECTION
4
ADJUSTMENT PROCEDURES
.................................................
............................... 4-1-5
4-1
PREPARATION BEFORE SERVICING
..................................................
....................................... 4—1
4-2
PLL
ADJUSTMENT..................................................................................
....................................... 4—2
4-3
RECEIVER ADJUSTMENT
...................................................................
.................................... 4—2,3
4-4
TRANSMITTER ADJUSTMENT
............................................................
.................................... 4—4,5
SECTION
5
PARTS
LIST.........................................................................................
........................... 5-1-11
SECTION
6
MECHANICAL PARTS AND DISASSEMBLY ..............................
.................................. 6—1,2
6-1
FRONT PARTS
.....................................................................................
...........................................6-1
6-2
CHASSIS PARTS
..................................................................................
...........................................6-2
6-3
ACCESSORIES
.....................................................................................
...........................................6-2
SECTION
7
BOARD
LAYOUT..........................................................................
........................... 7-1-11
7-1
PTT
UNIT................................................................................................
....................................... 7—1
7-2
KEY
UNIT................................................................................................
....................................... 7—1
7-3
AFUNIT....................................................................................................
....................................... 7—2
7-4
JACK UNIT
............................................................................................
....................................... 7—2
7-5
CONNECTOR UNIT
..............................................................................
....................................... 7—3
7-6
PRT
UNIT................................................................................................
....................................... 7—3
7-7
LOGIC
UNIT............................................................................................
.................................... 7—4,5
7-8
UHF RF UNIT
.........................................................................................
.................................... 7—6,7
7-9
RX UNIT
................................................................................................
.................................... 7—8,9
7-10
URF A
UNIT...........................................................................................
.......................................7—10
7-11 URF B
UNIT....................................................................................................................................7—10
7-12 BPF A UNIT
....................................................................................................................................7—10
7-13 BPF B UNIT
....................................................................................................................................7—10
7-14 AF FIL
UNIT....................................................................................................................................7—11
7-15 U VCO
UNIT...................................................................................................................................7—11
7-16 RX VCO UNIT
.................................................................................................................................7—11
SECTION 8 OPTIONAL
UNIT..............................................................................................................
8—1
8-1 UT-63 TONE SQL
UNIT...................................................................................................................
8—1
SECTION 9 VOLTAGE
DIAGRAM..................................................................................................9-1-3
SECTION 10 BLOCK DIAGRAM
.........................................................................................................10—1
Icom-7457-Manual-Page-1-Picture
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Icom -- IC-4SRA -- User Manual
File name Icom-7462-Manual-Page-1-Picture
Manual Type User Manual
Pages 64
Size 5.92 Mbytes (6209422 Bytes)
Language english
Revision
Manual-ID/Number
Date
Quality Scanned document, reading partly badly, partly not readable.
Upload date
MD5 643598e946e10406d4750e22663f6c48
Downloads 54 since 06 January 2016
Information
Icom-7462-Manual-Page-1-Picture
Start Free Download


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