Regco RG-5500 User manual

TECHNICAL MANUAL
RG·5500
VHF/UHF RECEIVER
specialists in electronic
equipment and systems
"
The R. E. GRIMM COMPANY
16000 Industrial Drive
Gaithersburg, Maryland
20760
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· FEBRUARY 1981
-dlE- Vl$ION A
RG-5500 VHF/UHf RECEIVER
TECHNICAL MANUAL
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INTRODUCTION
This manual provides information on the operation and Maintenance of the
RG -5500 VHF /UHF Receiver. Parts lists and a complete set of schematic drawings
are included.
Chapter 1, Description of Equipment, presents a physical and functional
description of the receiver . A complete list of specifications is also provided.
Chapter 2,
Installation, deae rtbes equipment inspection, mounting, and installa-
tieD procedures. All rear-panel controls and connectors are described.
Chapter 3. Operation, identifies all front-panel controls, indicators, and
connectors and describes procedures for receiver operation.
Chapter 4, Principles of Operation, functionally describes the operation of the
receiver, keyed to block and schematic diagrams .
Chapter 5, Alignment, describes alignment proced u res and operational checks.
Chapter 6, Parts Lists. itemizes the electrical components, integrated ci rcuit
modules. and electro-mechanical parts referenced to layout diagrams.
Chapter 7. Drawings, contains interconnection, power. and schematic diagrams.
A table listIng signal mnemonics is also included .
Chapter 8. Integrated Circuit Data, lists and descrlbes all Integrated circuits
used in the receiver.
(il blank)
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TABLE OF CONTENTS
Chapter
INTRODUCTION
LIST OF ILL USTRATIONS
LIST OF TABLES
1. DESCRIPTION OF EQUIPMENT
1 -1. INTRODUCTION
1-2 . PHYSICAL DESCRIPTION
1-3. SPEC IFIC ATIONS
1-4. FUNCTIONAL DESCRIPTION
2. INSTALLATION
2- 1.
PRELIMINARY CHECKS
a. Inspection
b. AC Voltage Check
c. Rece i ver Remote Control Address Set
2 -2. OPERATIONAL CHECKS
2-
3. INSTALLATION AND MOUN TI NG
3. OP ERATION
3
-1. CONTROLS, INDICATORS, AND CONNECTORS
3- 2.
OPERATING PROCEDURES
a. Local Mode Operation
b. Memory Mode Operation
c. Remote Mode Operation
(1) Remote Address ing the Receiver
(2) Command Format
d. Spectrum. Monitor
4.
PRINCIPLES OF OPERATION
4
-1. INTRODUCTION
4- 2.
SIMPLlFIED FUNCTIONAL DESCRIPTION
a. Digital Control Section
b. Synthesizer Section
c. RF Section
d. AGe Section
e. IF Section
Page
vi
x
i-I
1-1
1-1
1-6
2-1
2- 1
2-1
2-1
2- 2
2- 2
3-1
3-1
3-1
3-2
3-2
3 -2
3-2
3-4
4- 1
4
-1
4-1
4-1
4-1
4-2
4- 2
ill
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TABLE OF CONTENTS - Continued
Ch apter
Page
4-3.
DETA I LED FUNCTIONAL DESCRIPTION
4-3
a. Digital Control Section 4- 2
(1) Di
gital Control Assemb ly
4-2
(2) Remote Control Interface
Assembly 4- 4
b. Synthesi zer Section
4-5
(1 ) A22 Synthesizer Assembly (figu re 7- 15)
4-5
(2) A20 and A2 1 Voltage Contl'O ll ed Osc ill ators
4-9
c. RF Section. 4- 9
(1) A33
RF Input Switch (figure 7-59)
4- 9
(2) A16
RF Assemb ly (figu re 7-13)
4- 10
(3) AlB RF Preselector Driver and PIN Diode
Switch
Olivers (figure 7-14)
4-11
d.
AGe Section 4-11
(1) A25 AGC Amplifier (figure 7-51) 4- 11
(2) A28
COR/Squelch Amplifier (figure 7-54) 4- 12
e.
IF Section
4-12
(1) A23 IF Assembly (figure 7- 27) 4- 12
(2) A27 Audio
Video Amplifier (figure 7- 53) 4-14
4-4.
POWER SUPPLY CIRCUITS 4-14
4-5.
A24 SPECTRUM MONITOR (figure 4-8) 4- 14
a. A24A2 Amplifier, Mixer, IF Ampl
ifier ( fi gure 7- 46) 4- 14
b.
A24A3 Sweep Generator/VeO/Marker (figu re 7-47) 4-15
c.
A24A5 Deflection Amplifier (figu re 7 -4 9) 4-15
d.
A24A4 DC/DC Converter (figure 7-48) 4- 15
5.
ALIGNMENT
5- l. INTRODUCTION
5-1
5- 2. TEST EQUIPMENT
5- 1
5-
3. RECEIVER DISASSEMBLY AND REASSEMBLY 5- 1
5-4. POWER SUPPLY VOLTAGE CHECKS
5-1
5- 5. A34 AND A35 FIRST AND SECOND LOCAL
OSCILLATOR AMPLIFIER OUTPUT CHECK 5-2
5- 6. A23A5
IF ASSEMBLY OUTPUT AMPLIFIER
ALIGNMENT PROCEDURES 5- 3
a. A23A5 Output
Amplifier
5- 3
b.
Beat Frequency Oscillator
5- 5
5- 7.
A23AI -A4 IF ASSEMBLY 21.4 MHz BANDPASS
AMPLIFIERS
5- 5
Iv
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TABLE OF CONTENTS -Continued
Chapter
Page
5- 8. A23A6 -A9 IF ASSEMBLY 21.4 MHz
LIMITER/DISCRIMINATORS 5-8
5
-9 . A25 AGC ASSEMBLY ALIGNMENT 5-11
5-10. RF TONER SECTION ALIGNMENT 5-11
5-11. A24A2 SP ECTRU M MONITOR AMPL/MIXER/IF AMPL 5-14
A24A3 SPECTRUM MONITOR SWEEP GEN/VCO/MKR 5-18
5 -1 3. A24A5 SPECTRUM MONITOR DEFLECTION AMPLIFIER 5-20
6. PARTS LIST
7. DRAWINGS
7-1. INTRODUCTION
7
-2. SIGNAL MNEMONICS
8. INTEGRA
TED CIRCUIT DATA
8 -1. INTEGRA TED CIRCUIT LOGIC SYMBOLS
8- 2. INTEGRA
TED CIRCUIT LOGIC DIAGRAMS
7-1
7-1
8 -1
8 -1
v
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Figure
1-l.
1-2.
1- 3.
2- l.
2-2.
3 -1 .
4 -l.
4-2 .
4-
3.
4-4.
4- 5.
4-6.
4-7.
4-8 .
5 -l.
5-2 .
5-3.
5-4 .
5- 5.
5-6.
5-7.
5- 8.
5-9.
5 -10.
5- 11.
5- 12.
5
-1 3.
6-l.
6-2.
6-3.
6-4.
6-5 .
6- 6.
6-7.
vi
LIST OF ILLUSTRATlONS
RG -5500 VHF /UHF Re c eiver
RG-5500 Ass e mbly Locations
Titl e
RG-5500 VHF/ UHF Receiver Simplified Block Diagram
Remote Control Address Switch Selection
Rear Panel Controls and Connectors
Front Panel Controls, Indicators,
and Connectors
RG-5500
Receiver Functional Block Diagram
Digital Co nt rol Assemb ly Functional Block Diagram
Remote Control Interface
Assembly Functional Block Diagram
Synthesizer Section Functional Block Diagram
RF TUner Section Functional Block Diagram
AGC Section Functional BlockDiagram
IF Amplifier Section Functional Block Diagram
A24 Spectrum Monitor Functional
Block Diagram
A23A5 21. 4
MHz Output Amplifier Alignment Test Setup
A23A5
21.4 MHz Output Amplifier Frequency Response Test Setup
A23 IF Assembly Adjustment Locations
A23AI-A4 21. 4
MHz Bandpass Amplifier Frequency Response
Alignment Test Setup
Typical Bandpass Amplifier Response Curve
A23AI-A4 21. 4
MHz Bandpass Amplifier Gain Adj u st Test Setup
A23A6-A9 21. 4
MHz FM Limiter/Discriminator Frequency
Response Alignment
Test Setup
A23A6-
A9 21. 4 MHz FM Limiter/Discriminatol' Gain Adju st
Test Setup
AGC Assembly, RF Section, and Spectrum Monitor Ad justment
Locations
A24 Spectrum Monitor Bottom View Adjustment and
Test
Point Locations
A24 Spectrum Monitor 21. 4
MHz Inpu t Amplifier Alignment
Test Set
A24 Spectrum Monitor
13 MH z IF Amplifier Alignment Test Setup
A24 Spectrum Monitor 2 MH z IF Amplifier Alignment Test Setup
RG-5500 VHF/
UHF Receiver Component Locations
Rectifier Board Al Parts Location Diagram
Control Circuit
Power Supply A2 Parts Location Diagram
Switch Boa
rd A7 Parts Lo cation Diagram
Display
Register AS Parts Location Diagram
Display
Driver A9 Parts Location Diagram
Display Board AIO
Parts Location Diagram
Page
1-0
1-7
1-9
2-4
2- 5
3- 5
4-17
4-19
4-21
4-23
4-25
4-27
4-29
4- 31
5-3
5-4
5-6
5-7
5-9
5-9
5-12
5-12
5-13
5-15
5-17
5-
17
5 -1 8
6-11
6-23
6-25
6-27
6- 29
6-31
6-33
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Figure
6-8.
6-9.
6-10.
6-11.
6-12.
6 -1 3.
6-14.
6-15.
6-16.
6-17.
6-18.
7-1.
7-2.
7-3 .
7-4.
7-5.
7-6.
7-7.
7- 8.
7-9.
7-10.
7-1I.
7-12.
7-13.
7-14.
7-15.
7-16.
7-17.
7-18.
7-19.
7-20 .
7-21.
7-22.
7-23.
7-24 .
LIST OF ILLUSTRATIONS - Continued
Title
Memory Board All Parts Location Diagram
Hold
Register A12 Parts Location Diagram
I/O Board Al3 Parts Location Diagram
Remote Control I/O Board A14
Parts Location Diagram
Remote Control Interface
A15 Parts Location Diagram
RF Preselector Oliver and Pin Diode Switch Drivers Al8
Parts Location Diagram
AGC Amplifier A25 Parts Location Diagram
Audio/Video Amplifier
A27 Parts Location Diagram
COR/Squelch Amplifier
A28 Parts Location Diagram
Trigger Generator A32 Parts Location Diagram
RF Input Switch A33 Parts Location Diagram
RG-5500 VHF/UHF
Receiver Main Chassis Schematic Diagram
RG-5500 Main Power Schematic Diagram
A 1 Rectifier Board Schematic Diagram
A2 Control Circuit Power Supply Schematic Diagram
A8 Display Register Schematic Diagram
A9 Display Driver Schematic Diagram
AID Display Board Schematic Diagram
A 11 Memory Board Schematic Diagram
A
12 Hold Register Schematic Diagram
A
13 I/o Board Schematic Diagram
A14 Remote Control I
/O Board Schematic Diagram
A
15 .Remote Control Interface Schematic Diagram
A
16 RF Tuner Module Schematic Diagram
A
18 RF Pl'eselector Drivers and PlN Diode Switch Drivers
Schematic Diagram
A22 Synthesizer Assembly Schematic Diagram
A22Al Iterative Synthesizer Schematic Diagram
A22AlAl Filter Module Schematic Diagram
A22A2, A3.
A4 Iterative Synthesizer Schematic Diagram
A22A5
Base Synthesizer Schematic Diagram
A22A6
Reference Generator Schematic Diagram
A22A7 Steering Synthesizer Schematic Diagram
A22A8 Output Tracking Synthesizer Schematic Diagram
A22A9
138.600 MHz Phase-Locked Local Oscillator
Schematic Diagram
A22A10 638 .6 00 MHz Phase-Locked Local Oscillator
Schematic Diagram
6-35
6- 39
6
-4 2
6-47
6-50
6-69
6-207
6-216
6-220
6-228
6-230
7-5
7-11
7-13
7-15
7-17
7-19
7-21
7-23
7-25
7- 29
7-31
7-33
7-37
7-3 9
7-41
7-43
7- 45
7-47
7-49
7-51
7- 53
7-55
7-57
7-59
vii
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Figure
7-25 .
7-26 .
7-27.
7- 28.
7-29.
7- 30.
7-31.
7-32 .
7-
33.
7-34.
7-35.
7-36.
7-37.
7- 38.
7- 39.
7-
40.
7-41.
7-42.
7-43.
7-44.
7- 45.
7- 46.
7-47.
7-48.
viii
LIST OF ILLUSTRATIONS - Continued
Title
A22A10Al Frequency Multiplier Module Schematic Diagram
A22All 2ND LO Switch Schematic Diagram
A23 IF Assembly Schematic Diagram
A23A
1- A4 21. 4 MHz Bandpass Amplifier 10 kHz to 100 kHz
Bandwidth Schematic Diagram
A23AI-A4 21.4 MHz Bandpass Amplifier 300 kHz Bandwidth
Schematic Diagram
A23A1-A4 21.4 MHz Bandpass Amplifier 500 kHz Bandwidth
Schematic Diagram
A23A1-A4 21. 4 MHz Bandpass Amplifier 1 MHz Bandwidth
Schematic Diagram
A23A1-A4 21. 4 MHz Bandpass Amp lifier 2 MHz Bandwidth
Schematic Diagram
A23A1-A4 21. 4 MHz Bandpass Amplifi er 3 MHz Bandwidth
Schematic Diagram
A23AI -A4 21. 4 MHz Bandpass Amplifier 4 MHz Bandwidth
Schematic Diagram
A23A5 21.4 MHz Output Amplifier and AM Detector
Schematic Diagram
A23A6-A9 21. 4 MHz limiter/Discriminator 10 kHz to 100 kHz
Bandwidth Schematic
Diagram
A23A6-A9 21. 4 MHz Limiter/Discriminator 300 kHz Bandwidth
Schematic
Diagram
A23A6-A9 21. 4 MHz Limiter/Discliminator 500 kHz Bandwidth
Schematic Diagram
A23A6-A9 21. 4 MHz Limiter/Discriminator 1 MHz Bandwidth
Schematic Diagram
A23A6-A9 21 .4 MHz Limiter/Discriminator 2 MHz Bandwidth
Schematic
Diagram
A23A6-A9 21. 4 MHz Limiter/Discliminator 3 MHz Bandwidth
Schematic
Diagram
A23A6-A9 21. 4 MHz Limiter/Discriminator 4 MHz Bandwidth
Schematic
Diagram
A23A10 IF Switching Module Schematic Diagram
A24 S{JElctrum Monitor Schematic Diagram
A24A1 Input Filter Schematic Diagram
A24A2 Amplifier/Mixer/IF Amplifi er Schematic Diagram
A24A3 Sweep Generator/VeO/Marker Schematic Diagram
A24A4 DC/DC Converter-Focus and Intensity Assembly
Schematic Diagram
Page
7-61
7-63
7-65
7- 67
7-69
7-71
7-73
7-75
7-77
7-79
7-81
7-83
7-85
7-87
7-89
7-91
7-93
7- 95
7-97
7-99
7-101
7-103
7-107
7- 111
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LIST OF ILLUSTRATlONS -Cont inued
Figure
Title
Page
7- 49.
A24A5 Deflection Amplif i er Schematic Diagram. 7 -11 3
7 -5 0. A24A6
Power Regulator Schematic Di agram
7-11 5
7-5l.
A25 AGe Amplifier Sc hematic Diagram
7- 117
7- 52. A26 21. 4 MHz Line Amp lifi er Schematic Di agram
7-119
7-53.
A27 Audio/Video Amp lifi er Schematic D iag ram
7 -1 21
7
-5 4.
A28 COR/Squelch Amplifier Schematic Diagram
7 -1 23
7- 55. A29 Phone
Jack Assemb ly Schematic Diagr am
7- 125
7-56.
A30 Output Filter Assembly Schema ti c Diagram
7- 127
7 -57.
A3! COR Relay Assembly Schem atic Diagram 7 -1 29
7-58.
A32 Trigger Generator Schematic Di agram
7-131
7-59.
A33 RF Input Switch Schematic Diagram 7
-1 33
7-
60.
A34 2ND LO Amplifier Schematic Diagram
7-135
7-6l.
A35 1ST LO Amplif i er Schematic Diagram 7-137
8 -l. Integrated Cir cuit Logic Symbols and Truth Tabl es
8-3
8-2.
Integrated C ir cllit Logic Diagrams
8- 5
ix
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