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Receiver
IC-R9000L
Service manual
Icom IC-R9000/L Service Manual
Communications receiver
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Also See for IC-R9000/L
:
Instruction manual
(72 pages)
,
Service manual
(90 pages)
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Table Of Contents
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Contents
Table of Contents
Bookmarks
Table of Contents
Introduction
Danger
Ordering Parts
Repair Notes
Table of Contents
Specifications
Inside Views
Top View
Bottom View
PLL a and B Units
Circuit Description
Receiver Circuits
Antenna Switching Circuit (Connect a and HPF Units)
1 Ghz Converter Output Frequency
HF RF Bandpass Filter (RF a Unit)
Frequency and Selected Port of IC3
HF 1St Mixed Circuit (RF a Unit)
V/UHF RF Circuit (RF B Unit)
Tuned Notch Circuit (RF B Unit)
Tuned Control Circuit (RF B Unit)
V/UHF 1St Mixer (RF B Unit)
V/UHF 1St IF, 1St lo and 2Nd lo Frequencies
HF if Circuit (if Unit)
V/UHF if Circuit (RF B Unit)
V/UHF 2Nd Mixer (RF B Unit)
2Nd if Circuit (if Unit)
Noise Blanker Circuit (if Unit)
Notch Filter Circuit (if Unit)
IF Shift Oscillator (Main Unit)
Demodulator Circuit (Main Unit)
WFM Demodulator Circuit
AF AMP Circuit (Main Unit)
AGC and S-Meter Circuit (Main Unit)
Squelch Circuit (Main Unit)
Center Meter Circuit (Main Unit)
IF Filter Switching Circuit (if Unit)
Mode Voltage Switching Circuit (if Unit)
Mute Circuit (if Unit)
VSC Circuit (Main Unit)
CI-V Control Circuit (Main Unit)
General Description
PLL Circuits: Frequency Construction
1St lo PLL Circuit (PLL a Unit)
Loop Filter
V/UHF lo Doubler Circuit
HF 2Nd lo Circuit (PLL B Unit)
HF PLL Circuit (PLL B Unit)
V/UHF 2Nd lo PLL Circuit (PLL B Unit)
Logic Circuits
Mode Input Data
Logic Circuits: Block Diagram
CRTC Unit
Real Time Clock (Logic a Unit)
Scope Unit
Scope Receiver Circuit
AGC Circuit
AFC Circuit
Scope Unit: Block Diagram
TV Unit
REG Unit
Regulator Circuits
DC-DC Converter Circuit
Mechanical Parts and Disassembly
Frame Disassembly
Contact Spring
Front Panel Disassembly
Key Board Unit
Mode SW Unit
Front Unit Connector Assembly
Top View Connector Assembly
Top View Connector Assembly (Bottom)
Bottom View Connector Assembly
Maintenance and Adjustment
Required Test Equipment
Test Equipment Connection
PLL Adjustment
DDS, PLL B and VCO 3 Units
HF Band Receiver Adjustment
RF a Unit
Main and if Units
VHF/UHF Band Receiver Adjustment
IF Unit
RF B Unit
RF B and HPF Units
Scope Adjustment
Scope and RF a Units
TV Unit Adjustment (Except France Version)
Board Layouts
Sw-A, Sw-B, Sw-C
Led
Sensor Unit
Components Side
Foil Side
Vr-A
Vr-B
Vr-C
Ten-Key
Front SW
IF Shift
Sw-D
Logic a Unit
Logic B and Scop Units
PLL a Unit
Prescal a (EP3, EP4)
Doubler
Vco-1
Vco-2
PLL B Unit
2N D-MIX
Vco-3
DDS Unit
Hpl
Shift
Bfo
1St-LO
LO Trap
2Nd-MIX
Fil-1
Fil-2
TV and Reg Units
TV Unit (Except France Version)
HPF Unit
EF (Connect A, B) Unit
Parts List
SW-D Unit
Display Unit
Block Diagram
Voltage Diagrams
Connection
Front Unit
Logic a and B Units
PLL a and Scope Units
Main Unit
RF a and B Units
HPF, TV, Reg and EF (Connect A, B) Units
Voltage Diagram
Board Layout
CTRL Unit
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Introduction
2
Specifications
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Instruction Manual
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