Table Of Contents - Icom IC-375A Service Manual

Table of Contents

Table Of Contents3
Specifications4
Outside And Inside Views5
Front Panel5
Inside Views8
Pll And Logic Units8
Main And Rf Ygr Units8
Pa And Reg Units9
Block Diagram10
Circuit Description12
Receiver Circuits12
Antenna - Mixer Circuit12
Noise Blanker Circuit12
3Rd Mixer Circuit13
Fm Squelch, Fm S-Meter And Center Meter Circuits13
Transmitter Circuits14
Cw Mode14
Tx Amp Antenna15
Standby Control Circuit16
Pll Circuits16
Reference Oscillator Circuit17
Main Loop17
Sub Loop18
Direct Digital Synthesizer Unit18
Pll Data18
Logic Circuits19
Cpu19
Fm Mode19
Cw, Lsb Or Usb Mode19
Matrix20
Switching Regulator Circuit24
Mechanical Parts And Disassembly25
Frame Disassembly25
Front Panel Disassembly27
Front, Logic And Pll Units Connector Assembly30
Maintenance And Adjustments33
Preparation Before Servicing33
Pll Adjustment34
Pll And Dds Units35
Frequency Adjustment36
Main Unit37
Receiver Adjustment38
Transmitter Adjustment42
Board Layouts48
Front Units48
Pll Unit57
Dds Unit59
Voltage Diagrams70
Logic Unit71
Parts List80
Schematic Diagram97