Table Of Contents - Icom IC-706MKII Service Manual

Table of Contents

Safety Warnings2
Repair Notes2
Table Of Contents3
Specifications4
Inside Views5
Receiver Circuits Description6
Hf/50 Mhz Rf Circuit - Filter, Main And Hpf Boards6
Vhf Fr Circuit - Pa Unit6
Preamplifier Circuit - Main Board6
1St Mixer Circuit - Main Board7
1St If Circuit - Main Board7
2Nd Mixer Circuit - Main Board7
Noise Blanket Circuit - Main Board/2Nd If Circuit/If Shift Circuit7
S-Meter Circuit - Main Board8
Squelch Circuit - Main Board8
Demodulator Circuits - Main Board8
Af Selector Switch - Main Board/Af Amplifier Circuit - Pll Unit8
Transmitter Circuits Description9
Microphone Amplifier Circuit - Main Board9
Vox Circuit - Main Board9
Balanced Modulator/Fm Modulation Circuit/Transmitter If Circuit9
Rf Circuit - Pa Unit, Main And Hpf Board10
Alc Circuit - Main Board10
Apc Circuit - Main Board10
Transmitter Construction Diagram10
Pll Circuits Description11
Rf, Alc, Swr Meter Circuits - Main Board11
1St Lo Pll Circuit11
Frequency Construction Diagram11
Locig Circuits12
2Nd Lo And Reference Oscillator Circuits12
Bfo Circuit12
Band Selection Data - Main Board And Pll Unit12
Main Cpu Port Allocations - Main Board Ic2513
Sub Cpu Port Allocations - Display Board Ic114
I/O Expander Port Allocations - Main Board Ic3014
Adjustment Procedures15
Preparation Before Servicing15
Required Test Equipment15
Connection15
Pll Adjustment16
Receiver Adjustment16
Pll And Pa Units Diagram17
Main Unit Diagram17
Transmitter Adjustment18
Main And Filter Units Diagram19
Pa Unit19
Meter Adjustment - Meter Set Mode23
Parts List24
Display Board Parts24
Main Board Parts25
Vr Board Parts25
Hpf Board Parts32
Pll Unit Parts33
Pa Unit Parts37
Filter Board Parts39
Mechanical Parts And Disassembly42
Front Panel View44
Rear Panel View44
Top And Bottom Covers View44
Exploded View45
Semi-Conductor Information47
Board Layouts49
Display Board View49
Main Board View53
Pll Unit57
Pa Unit View61
Filter Board View65
Block Diagram67
Voltage Diagram69