Manuals
/
Icom
/
Marine Equipment
/
Marine Radio
Icom
IC-F51, IC-F50
service manual
32, Kamiminami, Hirano-ku, Osaka, 547-0003, Japan
Models:
IC-F51
IC-F50
1
38
38
Download
38 pages
15.56 Kb
31
32
33
34
35
36
37
38
Specifications
Section Block Diagram
Connector Board
Disassembly Instructions
Adjustment Frequency List
DRIVE/POWER Amplifier Circuits
Page 38
Image 38
S-14007IZ-C1
1-1-32,
Kamiminami,
Hirano-ku,
Osaka,
547-0003,
Japan
© 2003 Icom Inc.
Page 37
Page 38
Page 38
Image 38
Page 37
Page 38
Contents
VHF Transceiver
Repair Notes
Introduction
Ordering Parts
Table of Contents
‘ Transmitter
Specifications
‘ General
‘ Receiver
Front Unit
Inside Views
Main Unit
Removing the Front Unit
Disassembly Instructions
Removing the Chassis Unit
Removing the Main Unit
RF Circuit Main Unit
Antenna Switching Circuit Main Unit
Receiver Circuits
3 1ST Mixer and 1ST if Circuits Main Unit
Receive Mute Circuits Main and Front Units
Transmitter Circuits
AF Amplifier Circuit Main and Front Units
Microphone Amplifier Circuit Front and Main Units
Modulation Circuit Main Unit
DRIVE/POWER Amplifier Circuits
PLL Circuits
APC Circuit Main Unit
Main Unit Voltage Line
Power Supply Circuit
VCO Circuit Main Unit
Front Unit Voltage Line
Compounder Circuit Main Unit
Other Circuits
Port Allocations
Expander IC Front Unit IC410
Mdio
SEG1
SCK
Msck
4 D/A Converter IC Main Unit IC6
Expander IC Main Unit IC12
Preparation
Screen Display Example
Adjustment Frequency List
Frequency Adjustment Item
Ctcss
Ptte PTT MIC Mice
Connection
JIG Cable
SP+
Software Adjustments Transmitting
Software Adjustments Receiving
Convenient
Front Unit
Connector Board
VR Board
Main Unit
IC9
Varicap HVC375BTRF
Themistor Ertjoep 473J
Ceramic ECJ0EC1H0R5B
Mechanical Parts and Disassembly
Unitmm inch
Diodes
SEMI-CONDUCTOR Information
Transistor and FET’S
TOP View
Board Layouts
Main Unit
Bottom View
Q23
Front Unit
J402
MC401
VHF B6034B
VR Board
Connector Board
MP701
Section Block Diagram
CPU
Voltage Diagram
2SC4116BL
TC7W66FK
11-3 VR / Connector Boards VR Board
Icom America Inc
32, Kamiminami, Hirano-ku, Osaka, 547-0003, Japan
Top
Page
Image
Contents