Table Of Contents - Icom IC-7000 Service Manual

Table of Contents

Introduction2
Danger2
Repair Notes2
Table Of Contents3
Specifications4
Inside Views5
Circuit Description6
Receiver Circuits6
Hf/50 Mhz Rf Circuit6
Vhf And Uhf Rf Circuits (Pa Unit)6
Preamplifier Circuit (Main Unit)7
1St Mixer Circuit (Main Unit)7
1St If Circuit (Main Unit)7
2Nd Mixer Circuit (Main Unit)7
3Rd Mixer Circuit (Main Unit)8
3Rd If Circuit (Main Unit)8
Demodulator Circuits (Main Unit)8
Af Amplifier Circuit (Main Unit)8
Transmitter Circuits9
Agc Circuit (Main Unit)9
S-Meter Circuit (Logic Unit)9
Squelch Circuit (Main Unit)9
Transmitter Construction10
Drive And Power Amplifier Circuits11
Alc Circuit11
Apc Circuit11
Dds Circuits12
1St Lo Circuit12
Frequency Construction12
Logic Circuits13
2Nd Lo And Reference Oscillator Circuits13
3Rd Lo Circuit13
Band Selection Data13
Power Supply Circuits13
Main Unit Voltage Line14
Port Allocations14
Sub-Cpu14
Main Cpu15
Dd Unit;15
Adjustment Procedures16
Preparation16
Required Test Equipment16
Entering The Adjustment Mode16
Connection17
Microphone Connector (Rear Panel View)17
Dds Adjustment18
Display Adjustment18
Transmitter Adjustment18
Main Unit19
Front Unit19
Receiver Adjustment26
Parts List30
Replacement Units30
Display Unit30
Vr Unit32
Pa Unit41
Dds Unit49
Logic Unit49
Connect Unit53
Mechanical Parts And Disassembly56
Driver Unit57
Chassis Parts60
Semi-Conductor Information61
Transistors And Fet's61
Diodes62
Board Layouts63
Bottom View (Display Unit)64
Bottom View (Vr Unit)64
Top View65
Bottom View66
Bottom View (Pa Unit)68
Bottom View (Dds Unit)70
Bottom View (Logic Unit)72
Bottom View (Hm-151)74
Bottom View (Connect Unit)74
Bottom View (Driver Unit)74
Wiring Diagram75
Block Diagram76
Circuit Diagrams77
Display/ Vr/ Connect Units77
Pa/Driver Units86