Equipment information
Icom IC-F4S Transceiver
Manufacturer:
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Page 2 of 3
Page 3 of 3
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Model:
IC-F4S
Date:
1997
Category:
Group:
Description:
UHF FM TRANSCEIVERS
Manual Type:
Service Manual
Pages:
52
Size:
2.54 Mbytes (2666037 Bytes)
Language:
english
Revision:
Manual-ID:
A-5452MI-S
Date:
Quality:
Scanned document, all readable.
Upload date:
2016 01 09
MD5:
70c3e531f0f93e37a3aba569b7f11741
Downloads:
2428
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