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IC-R71D
Icom IC-R71D Manuals
Manuals and User Guides for Icom IC-R71D. We have
4
Icom IC-R71D manuals available for free PDF download: Instruction Manual, Service Manual
Icom IC-R71D Instruction Manual (32 pages)
Communications Receiver
Brand:
Icom
| Category:
Receiver
| Size: 4 MB
Table of Contents
Table of Contents
2
Specifications
3
Features
4
Installation
5
Unpacking
5
Recommendations for Installation
5
Power Supply
5
Antenna
6
External Speaker
6
Headphones
6
Cautions
6
Operating Controls
7
Front Panel
7
Rear Panel
10
Operating Instructions
11
How to Tune
11
Band Switching
11
Frequency Display on each Mode
11
Dial Lock Switch
12
VFO Switch
12
Transferring VFO Frequency
12
Memory Channel Operation
13
Memory Channel Selection
13
Memory-Write
14
Memory Clearing
14
Frequency Setting by Key Pad
15
Scanning Operation
15
Memory Scan
15
Mode Selective Scan
15
SSB Operation
16
Resuming Scan
16
Receiving
16
Nb
17
Agc
17
Filter Switches
17
PB Tuning
17
CW Operation
18
RTTY Operation
18
Notch Filter
18
Wiring for RTTY Operation
18
AM Operation
19
FM Operation
19
Other Operations
19
WWV Reception
19
Circuit Description
20
RF Unit
20
Main Unit
20
Logic Unit
20
Inside Views
21
Top View
21
Bottom View
22
PLL Unit
22
Option Installation
23
Installation of the FM Unit
23
Installation of the FL-32 or FL-63 Narrowm CW Filter
23
Installation of the FL-44A 455Khz SSB Filter
23
Voice Synthesizer Unit IC-EX310
24
High Stability Crystal Unit
24
Assembly Procedure
24
Adjustment
24
Interface Unit IC-EX309
25
Operation
25
Remote Controller Unit
26
Troubleshooting
27
Block Diagram
28
Rf/Main Unit
28
Pll/Logic Unit
29
Frequency Allocation Chart
30
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Icom IC-R71D Service Manual (26 pages)
Communications receiver
Brand:
Icom
| Category:
Radio
| Size: 33 MB
Table of Contents
Table of Contents
2
Specifications
3
Controls and Their Functions
4
Front Panel Facilities
4
Rear Panel Facilities
7
Inside View
8
Main Unit View
8
RF Unit View
8
Bottom View
9
PLL Unit
9
Block Diagram
10
Operation
12
RF Unit
12
RF Circuits
12
Main Unit
13
1St if Circuits
13
2Nd - 4Th if Circuits
13
AF Circuits/Noise-Blanker Circuit
13
Filder Select Circuit
14
IC3 Input/Output Relationship by Mode
14
During SSB/CW/RTTY
14
During am
14
Filter Table
15
AGC Circuit
15
S-Meter Circuit and Squelch Circuit
15
BFO Circuit
15
Reference Oscillation Circuit
16
2Nd Local-Oscillation Circuit
16
Main Loop
17
PLL Ics
17
Loop Filter and Muting Circuit
17
VCO Circuit
17
Sub Loop
18
Loop System
18
Local Oscillator Circuit
18
PLL Data
19
How N Data Are Obtained
19
Logic Unit
20
Cpu
20
CPU Input Control Circuit
20
Custom IC Port Allocation
20
I/O Expander Circuit
21
Display Timing
21
N Data
21
Display Data Timing
21
N Data Output Timing
22
High and Low N Data
22
Scan Circuit
23
Matrix Unit
23
Matrix Table
23
Display Unit
25
REG Unit
25
Icom IC-R71D Instruction Manual (32 pages)
COMMUNICATIONS RECEIVER
Brand:
Icom
| Category:
Receiver
| Size: 7 MB
Table of Contents
Specifications
3
Installation
5
Operating Controls
7
Front Panel
7
Rear Panel
10
How to Tune
11
Frequency Display
11
Select Function
11
Memory Channel
13
Operation
13
Scanning Operation
15
Frequency Setting
15
Ssb Operation
16
Rtty Operation
18
Notch Filter
18
Other Operations
19
Circuit Description
20
Logic Unit
20
Main Unit
20
Top View
21
Option Installation
23
Assembly Procedure
24
Controller Unit
26
Troubleshooting
27
Table of Contents
32
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Icom IC-R71D Instruction Manual (30 pages)
Communication Receiver
Brand:
Icom
| Category:
Receiver
| Size: 3 MB
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