User Manuals: ICOM IC-R7100 Desktop VHF/UHF Receiver

Manuals and User Guides for ICOM IC-R7100 Desktop VHF/UHF Receiver. We have 4 ICOM IC-R7100 Desktop VHF/UHF Receiver manuals available for free PDF download: Service Manual, Insrtuction Manual

Icom IC-R7100 Service Manual (93 pages)

Wideband

Brand: Icom | Category: Receiver | Size: 35 MB

Ordering Parts
2
Repair Notes
2
Table of Contents
3
Specifications
4
Inside Views
5
Conv and Reg Units
5
Main Unit
5
RF and PLL Units
6
Circuit Description
7
Receiver Circuits
7
RF Converter Circuit
7
Attenuator Circuit (RF Unit)
7
RF Circuit (RF Unit)
8
Tuned Notch Circuit (Trap Unit)
9
Tuned Control Circuit (RF Unit)
9
PLL Lock Voltage and Tuned Voltage
9
1St Mixer Circuit (MIX1 Unit)
10
1St if Circuit (RF, FIL1 and FIL2 Units)
10
1St if Filter Characteristics
10
2Nd Mixer Circuit (MIX2 Unit)
11
AGC Buffer Amplifier Circuit (RF Unit)
11
2Nd if Circuit (RF and Main Units)
11
Noise Blanker Circuit (Main Unit)
12
3Rd Mixer and 33Rd if Circuits (Main Unit)
12
WFM Demodulator Circuit (Main Unit)
12
WFM AGC Circuit (Main Unit)
12
BFO and SSB Demodulator Circuits (Main Unit)
13
FM Demodulator Circuit (Main Unit)
13
AM Demodulator Circuit (Main Unit)
13
AM/SSB/FMN AGC Circuit (Main Unit)
13
AG Amplifier Circuit (Main and Logic Units)
14
Noise Squelch Circuit (Main Unit)
14
S-Meter Squelch and S-Meter Circuits (Main Unit)
14
Squelch Switch Circuit (Main Unit)
14
VSC Circuit (Main Unit)
15
Center Detector and Center Meter Circuits (Main Unit)
15
Scanning Control Circuit (Main Unit)
15
IF Filter Switching Circuit (Main Unit)
15
PLL Circuits
16
Timer Control Circuit (Main Unit)
16
Regulator Circuit (Main Unit)
16
Reference Oscillator Circuit (PLL Unit)
17
2Nd lo Circuit (Pll Unit)
17
VCO Circuit (VCO Unit)
17
Doubler Circuit (P Double Unit)
17
Logic Circuits
18
Reset Circuit (Logic Unit)
18
Dimmer Circuit (Logic Unit)
18
Regulator Circuit (Logic Unit)
18
Mechanical Parts and Disassembly
20
Front Panel
20
Accessories
20
Chassis Units
23
Rear Panel
25
Parts List
27
Adjustment Procedures
45
Preparation before Servicing
45
Required Test Equipment
45
Connection
45
PLL Adjustment
46
Local Oscillator Adjustment
46
Receiver Adjustment
48
RF Unit
49
Board Layouts
55
Main Unit Layout
55
RF Unit Layout
57
PLL Unit Layout
62
Logic Unit Layout
72
Reg Unit Layout
77
DL-REG Unit Layout
78
Block Diagram
79
Voltage Diagram
81

Icom IC-R7100 Service Manual (71 pages)

WIDEBAND RECEIVER

Brand: Icom | Category: Receiver | Size: 26 MB

ICOM IC-R7100 Service Manual (71 pages)

Wideband Receiver

Brand: ICOM | Category: Receiver | Size: 29 MB

ICOM IC-R7100 Insrtuction Manual (44 pages)

Wideband receiver

Brand: ICOM | Category: Receiver | Size: 3 MB

ICOM Categories

Transceiver Receiver Repeater Radio Two-Way Radio

More ICOM Manuals