Realistic DX-302 Manuals

Manuals and User Guides for Realistic DX-302. We have 2 Realistic DX-302 manuals available for free PDF download: Service Manual, Owner's Manual

Realistic DX-302 Service Manual

Realistic DX-302 Service Manual (54 pages)

Communications receiver

Brand: Realistic | Category: Receiver | Size: 6 MB

Table of Contents

Contents
2
Controls and Their Functions
3
Specifications
4
Principles of Operation
6
Frequency Readout
6
Block Diagram
7
AF Operation Check
8
2Nd/3Rd if Operation Check
8
1St if Operation Check
9
1St Local OSC Operation Check
10
2Nd Local Freq. Amp Operation Check
10
Total Gain Check
11
Preselector Dial Calibration
13
Linkage Adjustment of Mhz Switch
13
3Rd if Alignment
14
Alignment of Khz Tracking
14
2Nd if Alignment
15
Crystal Frequency Alignment
15
Alignment of 2Nd Local Freq. Amp
16
1St if Alignment
17
Precaution 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
ATT PC Board, Top View
27
ATT PC Board, Bottom View
27
Counter PC Board, Top View
28
Counter PC Board, Bottom View
28
Mhz Switch PC Board, Top View
29
Mhz Switch PC Board, Bottom View
29
Preselector Coil PC Board
29
Mhz PC Board, Top View
30
Mhz PC Board, Bottom 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
Rotary Switch SW7 (for Mhz Read Out)
46
Leds (D504-508)
46
Frequency Counter IC501 Lead Identification
46
Schematic Diagram
48
Product View
50

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Realistic DX-302 Owner's Manual

Realistic DX-302 Owner's Manual (20 pages)

Quartz-Synthesized Communications Receiver

Brand: Realistic | Category: Receiver | Size: 5 MB

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