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Icom Manuals
Transceiver
IC-820H
Serivce manual
Icom IC-820H Serivce Manual
Vhf/uhf all mode transceiver
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Also See for IC-820H
:
Instruction manual
(52 pages)
,
Instruction manual
(52 pages)
,
Instruction manual
(56 pages)
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Table Of Contents
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Contents
Table of Contents
Bookmarks
Table of Contents
Safety Warnings
Repair Notes
Product View
Table of Contents
Specifications
Disassembly Instructions
Inside Views
Main Unit Inside Views
RF-A. RF-B and PA-B Units Exploded View
PA-A and PLL Units Exploded View
Receiver Circuits Description
VHF RF Circuit - RF-A Unit
UHF RF Circuit - RF-B Unit
10 Mhz if Circuit - Main Unit
Noise Blanker Circuit
Demodulator Circuit - Main Unit
Af Input Mode Selector Switch - Main Unit
AF Circuit - Main Unit
Transmitter Circuits
AGC Circuit - Main Unit
S-Meter Circuit - Main Unit
Microphone Amplifier Circuit/Cw Keying Circuit
Transmit if Amplifier - Main Unit
RF Circuit - RF-A and RF-B Units
ALC Circuit - PA-A, PA-B and Main Units
APC Circuit - PA-A/B Units
PLL Circuits - PLL Unit
UHF PLL Circuits
BFO PLL Circuits
VHF PLL Circuits
Port Allocations
Local Oscillator Circuit - Reference Oscillator
CPU - Display Unit
Data Expander IC - Main Unit
Adjustment Procedures
Preparation before Servicing
Required Test Equipment
Connections
PLL Adjustment
Frequency Adjustment
PLL Unit Diagram
Main Unit Diagram
Receiver Adjustment
RF-A and RF-B Units Diagram
RF-B Unit Diagram
Transmitter Adjustment
Parts List
Front Unit Parts
DISP Unit Parts
SW-A Unit Parts
SW-B Unit Parts
VR Unit Parts
RIT Unit Parts
Jack Unit Parts
PLL Unit Parts
Main Unit Parts
RF-A Unit
RF-B Unit
PA Unit
PA-A Unit
Mechanical Parts and Disassembly
Cabinet Parts
Exploded Diagrams
Chassis Parts List
Semi-Conductors Information
Transistors
Diodes
Board Layouts
Front Unit Pcbs
Jack Unit PCB
RIT Unit PCB/VR Unit PCB
SW-A Unit PCB
SW-B Unit PCB
Display Unit PCB
Display Unit PCB - Bottom View
Main Unit PCB - Top View
Main Unit PCB - Bottom View
PLL Unit PCB Top View
PA-A Unit PCB Top View
PA-B Unit PCB Top View
RF-A Unit PCB Top View
RF-B Unit PCB Top View
RF-A Unit PCB Bottom View
RF-B Unit PCB Bottom View
Voltage Diagrams
Block Diagrams
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See also:
Instruction Manual
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