Equipment information:

Icom IC-F4S Transceiver
Manufacturer:
Icom
Model: IC-F4S
Date: 1997
Category: Radio, Communication
Group: Transceiver
Description: UHF FM TRANSCEIVERS
Information:
                                    

These manuals are available for the above equipment:

Icom -- IC-F4S -- Service Manual
File name: Icom-7526-Manual-Page-1-Picture
Manual Type: Service Manual
Pages: 52
Size: 2.54 Mbytes (2666037 Bytes)
Language: english
Revision:
Manual-ID/Number: A-5452MI-S
Date: 1997
Quality: Scanned document, all readable.
Upload date:
MD5: 70c3e531f0f93e37a3aba569b7f11741
ed2kID: 41a7232ebe9cdd7b6f02730129910851
Downloads: 102 since 09 January 2016
Information:
SECTION 1 SPECIFICATIONS SECTION 2 INSIDE VIEWS
2 - 1
IC-F3/S.............................................................................................................................................................................................2-1
2 - 2
IC-F4/S.............................................................................................................................................................................................2-2
SECTION 3 DISASSEMBLY AND OPTION INSTRUCTIONS
3 - 1 DISASSEMBLY
INSTRUCTION...........................................................................................................................................3-1
3 - 2 OPTIONAL UNIT INSTALLATIONS
...................................................................................................................................3-2
SECTION 4 CIRCUIT DESCRIPTION
4 - 1 RECEIVER
CIRCUITS.............................................................................................................................................................4-1
4 - 2 TRANSMITTER
CIRCUITS....................................................................................................................................................4-2
4 - 3 PLL
CIRCUIT................................................................................................................................................................................4-3
4 - 4 POWER SUPPLY
CIRCUITS................................................................................................................................................4-3
4 - 5 CPU PORT
ALLOCATIONS...................................................................................................................................................4-4
SECTION 5 ADJUSTMENT PROCEDURES
5 - 1
PREPARATION............................................................................................................................................................................5-1
5 - 2 PLL ADJUSTMENT for
IC-F3/S...........................................................................................................................................5-3
5 - 3 TRIMMER ADJUSTMENT for
IC-F3/S..............................................................................................................................5-4
5 - 4 TRANSMITTER ADJUSTMENT for
IC-F3/S...................................................................................................................5-5
5 - 5 RECEIVER ADJUSTMENT for
IC-F3/S............................................................................................................................5-6
5 - 6 PLL ADJUSTMENT for
IC-F4/S...........................................................................................................................................5-7
5 - 7 TRIMMER ADJUSTMENT for
IC-F4/S..............................................................................................................................5-8
5 - 8 TRANSMITTER ADJUSTMENT for
IC-F4/S...................................................................................................................5-9
5 - 9 RECEIVER ADJUSTMENT for
IC-F4/S..........................................................................................................................5-10
SECTION 6 PARTS LIST
6 - 1
IC-F3/S.............................................................................................................................................................................................6-1
6 - 2 IC-F4/S
.............................................................................................................................................................................................6-5
SECTION 7 MECHANICAL PARTS AND DISASSEMBLY SECTION 8
SEMI-CONDUCTOR INFORMATION SECTION 9 BOARD LAYOUTS
9 - 1 IC-F3/S MAIN
UNIT....................................................................................................................................................................9-1
9 - 2 VR
BOARD.....................................................................................................................................................................................9-1
9 - 3 IC-F4/S MAIN
UNIT....................................................................................................................................................................9-3
SECTION 10 BLOCK DIAGRAM
10 - 1
IC-F3/S..........................................................................................................................................................................................10-1
10 - 2
IC-F4/S..........................................................................................................................................................................................10-2
SECTION 11 VOLTAGE DIAGRAM
11 - 1
IC-F3/S..........................................................................................................................................................................................11-1
11 - 2
IC-F4/S..........................................................................................................................................................................................11-2
Icom-7526-Manual-Page-1-Picture
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