Realistic PRO-2021 Manuals

Realistic PRO-2021 Manuals

Manuals and User Guides for Realistic PRO-2021. We have 2 Realistic PRO-2021 manuals available for free PDF download: Service Manual

Realistic PRO-2021 Service Manual

Realistic PRO-2021 Service Manual (47 pages)

Brand: Realistic | Category: Stereo Receiver | Size: 1 MB

Table of Contents

Contents
2
Specifications
3
Block Diagram
4
Principles of Operation
5
General Operation Outline
7
Alignment and Test Points
8
Alignment Preparation
8
IF Section Alignment
9
VCO Alignment
9
Reference Frequency OSC Alignment
9
Aircraft HI Band and UHF Band
9
RF Amp Alignment
10
VHF lo Band
10
Aircraft Band
10
VHF-HI Band
11
UHF Band
11
Zeromatic Function and How to Check It
12
Zeromatic Function When Output Is in "H" Level
12
Keys Access Pulse Output (IC11)
13
PLL Data Waveform (IC11)
13
Reception Check Chart
14
Memory Check Chart
15
Troubleshooting
16
P.C. Boards (Top View)
18
P.C. Boards (Bottom View)
19
Wiring Diagram
20
Electrical Parts List
21
Capacitors List
21
Capacitor Array
24
Crystals & Filters List
24
Diodes List
24
Integrated Circuits List
25
Coils & Transformers List
26
Transistors List
26
Resistors List
27
Capacitors, Trimmer List
31
Variable Resistors
31
Miscellaneous
31
Disassembly/Exploded View
32
Mechanical Parts List
33
Semiconductor Lead Identification and IC Circuit Diagram
34
Integrated Circuit Lead Identification
34
Transistor Lead Identification
39
Diode Identification and Lead Polarity
40
Microprocessor (IC11) Port Format
42
VHS-MID Band Alignment for European/Australian Models
43
Circuit Revision
43
Schematic Diagram
44

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Realistic PRO-2021 Service Manual

Realistic PRO-2021 Service Manual (46 pages)

PROGRAMMABLE SCANNER | AM/FM MONITOR RECEIVER

Brand: Realistic | Category: Receiver | Size: 1 MB

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