Equipment information:

Icom IC-F12S Transceiver
Manufacturer:
Icom
Model: IC-F12S
Date: 2001
Category: Radio, Communication
Group: Transceiver
Description: VHF TRANSCEIVERS
Information:
                                    

These manuals are available for the above equipment:

Icom -- IC-F12S -- Service Manual
File name: Icom-6903-Manual-Page-1-Picture
Manual Type: Service Manual
Pages: 38
Size: 1.35 Mbytes (1410650 Bytes)
Language: english
Revision:
Manual-ID/Number: S-13806IZ-C1V
Date: June 2001
Quality: Electronic document, no scan, very well readable.
Upload date:
MD5: a34fac8727f000e2f4d66c6173134e9c
ed2kID: 689fff85840975fe4517eafc39c55e54
Downloads: 178 since 19 July 2015
Information:
This service manual describes the latest service information
for the IC-F11/IC-F11S/IC-F11BR/IC-F12/IC-F12S at the
time of publication.

SECTION 1 SPECIFICATIONS
SECTION 2 INSIDE VIEWS
SECTION 3 DISASSEMBLY INSTRUCTIONS
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 . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4-4
4-5 PORT ALLOCATIONS . . . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
. . .4-4
SECTION 5 ADJUSTMENT PROCEDURES
5-1 PREPARATION . . . . . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
. . . . . .5-1
5-2 PLL ADJUSTMENT . . . . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
. . . .5-4
5-3 SOFTWARE ADJUSTMENT . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .5-5
SECTION 6 PARTS LIST
SECTION 7 MECHANICAL PARTS AND DISASSEMBLY
SECTION 8 SEMI-CONDUCTOR INFORMATION
SECTION 9 BOARD LAYOUTS
9-1 MAIN UNIT . . . . . . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
. . . . . . . .9-1
9-2 SW-A AND SW-B UNITS . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
. . .9-3
SECTION 10 BC-146 OPTIONAL DESKTOP CHARGER INFORMATION
10-1 PARTS LIST . . . . . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
. . . . . . . . .10-1
10-2 DISASSEMBLY INFORMATION . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .10-1
10-3 VOLTAGE DIAGRAM . . . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
. . . .10-2
10-4 BOARD LAYOUT . . . . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
. . . . . .10-2
SECTION 11 BLOCK DIAGRAM
SECTION 12 VOLTAGE DIAGRAM
12-1 MAIN UNIT . . . . . . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
. . . . . . . .12-1
12-2 SW-A AND SW-B UNITS . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
. . .12-2
Icom-6903-Manual-Page-1-Picture
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