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Realistic Manuals
Receiver
DX-300
Service manual
Realistic DX-300 Service Manual
Quartz-synthesized digital led-readout communications receiver
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Also See for DX-300
:
Owner's manual
(20 pages)
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Table Of Contents
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Contents
Table of Contents
Troubleshooting
Bookmarks
Table of Contents
Controls and Their Functions
Specifications
Principles of Operation
Frequency Readout
Block Diagram
Operation Check/Alignment Preparation
Alignment Locations and Points
AF Operation Check
2Nd/3Rd if Operation Check
Total Gain Check
1St if Operation Check
1St Local OSC Operation Check
2Nd Local Freq. Amp Operation Check
Preselector Dial Calibration
Linkage Adjustment of Mhz Switch
3Rd if Alignment
Alignment of Khz Tracking
2Nd if Alignment
Aligment of 2Nd Local Freq. Amp
1St if Alignment
Precautions for VR201 and 1St Local OSC Alignment
VR201 Alignment
1St Local OSC Alignment
RF Stage Alignment
BFO Alignment
S-Meter Alignment
Troubleshooting Guide
RF PC Board, Top View
RF PC Board, Bottom View
IF/AF PC Board, Top View
IF/AF PC Board, Bottom View
Audio/Att PC Board, Top View
Audio/Att PC Board, Bottom View
Counter PC Board View
Mhz Switch PC Board View
Mhz PC Board View
Wiring Diagram (Top)
Wiring Diagram (Bottom)
Electrical Parts List
Mechanical Parts List
Accessory List
Appendix To Parts List
Integrated Circuit Identification
Transistor Lead Identification
Semiconductor Voltage Readings
Schematic Diagram of Digital Frequency Readout Section
Schematic Diagram
Disassembly/Exploded View
Modification for Improvement of 2Nd Local Oscillator Circuit (from Date Code 3A9)
Modification of BFO (from Date Code 3A9)
Modification for Improvement of 2Nd if Circuit (from Date Code 4A9)
Modification of AGC Time Constant for Improvement for SSB Reception (from Date Code 3A9)
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Controls and Their Functions
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Specifications
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Troubleshooting Guide
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Schematic Diagram
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See also:
Owner's Manual
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Summary of Contents for Realistic DX-300
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