Realistic DX-300 Manuals

Manuals and User Guides for Realistic DX-300. We have 2 Realistic DX-300 manuals available for free PDF download: Service Manual, Owner's Manual

Realistic DX-300 Service Manual (55 pages)

Quartz-synthesized digital led-readout communications receiver

Brand: Realistic | Category: Receiver | Size: 4.29 MB

Controls and Their Functions
2
Specifications
3
Principles of Operation
5
Frequency Readout
5
Block Diagram
6
Operation Check/Alignment Preparation
7
Alignment Locations and Points
7
AF Operation Check
8
2Nd/3Rd if Operation Check
8
Total Gain Check
9
1St if Operation Check
11
1St Local OSC Operation Check
12
2Nd Local Freq. Amp Operation Check
12
Preselector Dial Calibration
13
Linkage Adjustment of Mhz Switch
13
3Rd if Alignment
14
Alignment of Khz Tracking
14
2Nd if Alignment
15
Aligment of 2Nd Local Freq. Amp
16
1St if Alignment
17
Precautions for VR201 and 1St Local OSC Alignment
17
VR201 Alignment
17
1St Local OSC Alignment
18
RF Stage Alignment
19
BFO Alignment
20
S-Meter Alignment
20
Troubleshooting Guide
21
RF PC Board, Top View
23
RF PC Board, Bottom View
24
IF/AF PC Board, Top View
25
IF/AF PC Board, Bottom View
26
Audio/Att PC Board, Top View
27
Audio/Att PC Board, Bottom View
27
Counter PC Board View
28
Mhz Switch PC Board View
29
Mhz PC Board View
30
Wiring Diagram (Top)
31
Wiring Diagram (Bottom)
32
Electrical Parts List
33
Mechanical Parts List
40
Accessory List
42
Appendix To Parts List
42
Integrated Circuit Identification
43
Transistor Lead Identification
44
Semiconductor Voltage Readings
45
Schematic Diagram of Digital Frequency Readout Section
46
Schematic Diagram
47
Disassembly/Exploded View
49
Modification for Improvement of 2Nd Local Oscillator Circuit (from Date Code 3A9)
52
Modification of BFO (from Date Code 3A9)
53
Modification for Improvement of 2Nd if Circuit (from Date Code 4A9)
53
Modification of AGC Time Constant for Improvement for SSB Reception (from Date Code 3A9)
54

Realistic DX-300 Owner's Manual (20 pages)

Quartz-synthesized communications receiver

Brand: Realistic | Category: Receiver | Size: 12.01 MB

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Transceiver

Scanner Receiver Radio Stereo Receiver

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Realistic DX-300 Manuals

Realistic DX-300 Service Manual (55 pages)

Table of Contents

Realistic DX-300 Owner's Manual (20 pages)

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