Harris RF-3352 Manuals

Manuals and User Guides for Harris RF-3352. We have 1 Harris RF-3352 manual available for free PDF download: Instruction Manual

Harris RF-3352 Instruction Manual (224 pages)

FSK Terminal

Brand: Harris | Category: Touch terminals | Size: 16 MB

Table of Contents
4
Paragraph
6
Model RF-3352 FSK Terminal
10
Manual Scope and General Description
11
Technical Characteristics
11
Spare Parts Kits and Mounting Options
11
Introduction
11
RF-3352 FSK Terminal Technical Characteristics
11
Unpacking and Inspection Instructions
14
Mechanical Installation/Replacement of Damaged Assemblies
14
RF-3352 FSK Terminal Electrical Interconnection
14
RF-3352 FSK Terminal/Teletypewriter Interconnection and Operational Discipline - Neutral Mode - Common Loop (Half Duplex)
15
RF-3352 FSK Terminal/Teletypewriter Interconnection - Neutral Mode - Independent Loops (Full Duplex)
16
RF-3352 FSK Terminal/Teletypewriter Interconnection- Polar Mode- Independent Loops (Full Duplex)
17
Primary Power Selection
18
Emergency Shutdown Instructions
18
Accessories Shipped with the RF-3352 FSK Terminal
18
Initial Position of Controls and Switches
19
Loop Current Adjustments
19
Operational Adjustments
19
Repacking and Shipping Instructions
20
Operation
23
Introduction
23
Front and Rear Panel Connector Control, Indicator and Switch Locations and Functions
23
3.4 Determining the Unknown Center and Shift Frequencies
23
Rf-3352 Fsk Terminal -External Connector, Control, Indicator and Switch Functions
26
Loop Current Adjustment
28
3. 7 Emergency Shutdown Instructions
29
Theory of Operation
30
Introduction
30
Overall Terminal and Subassembly Functional Descriptions
30
Signal Path Routing for Various Operational States
31
Major Assembly Operational Analyses
31
Modulator Pwb Assembly AI Operation Description
31
Overall Description
31
Detailed Circuit Description
33
Phase-Locked Loop Operation
33
Divide-By-N Counter Operation
33
Binary Number Application to Counter/Latch Operation
34
Synthesizer Output Routing, Divide-By-10 Counter, Divide-By-20 Johnson Counter and Audio Conditioning
34
Traffic Detector Circuitry
35
Combinational Logic Circuitry
35
Clear-To-Send Delay Function
35
Keyline Closure Function
35
Demodulator Pwb Assembly A2 Operation Description
37
Input Circuitry Operation
37
Voltage-Controlled Amplifier/ Attenuator, Local Oscillator, and Demodulator Circuitry
37
Operation
37
Summing and Differencing Amplifier Circuitry Operation
41
Mark/Space Decision Voltage Comparator Circuitry Operation
42
Reference Generator Circuitry Operation
42
Energy Detector, Radio Detector, and Carrier Detect Voltage Comparator Circuitry Operation
43
4.4.2. 7 Demodulator Circuitry Detailed Theoretical Analysis
43
Demodulator Pwb A2 Functional Circuit Component Identification
44
Detailed Operation of Differencing Amplifier U37-9-10-8 and the AGC Amplifier/Scaler
46
Circuitry
46
AGC Amplifier/Scaler Circuitry
46
Detailed Operation of the Transition Detector
47
Detailed Operation of the Two Millisecond Delay Timer
47
Detailed Operation of the Ratio Detector
47
Detailed Operation of the Threshold Lowpass Filter and Threshold Voltage Comparator
50
Data Line Routing-Output of Mark/Space Decision Voltage Comparator U39-4-S-2
50
Detailed Operation of the Timed Mark Hold Circuit
50
Untimed Mark Hold Circuits Description
51
Auto Start Relay Circuit Description
51
Signal Processing and Operation of the Threshold Generator, Including the Sample and Hold Circuits
52
Mark and Space Local Oscillator Circuitry
53
Timing and Control Pwb Assembly A3 and Frequency Control Board Assembly a 7 Operation Description
53
Frequency Processing- General Description
53
Frequency Selector Switch Technical Parameters
54
Conversion Process Description
56
Timing and Control Pwb Assembly A3 Functional Block Diagram
57
Conversion Process Waveform Data
58
4.4. 3. 3 Counter Initialization
59
Counter Clocking
59
Loading and Reset Period
60
Read Period Timing
60
Read Period Data Interpretation
61
Description of Latch Timing
61
Typical Data Output and Its Interpretation During Read Period
62
Production of the I, C+S and C-S Outputs
64
Production of Other Frequency Outputs
64
Interface Pwb Assembly A4 Operation Description
64
Input Loop Circuitry Description
64
Interface Pwb Assembly A4 Functional Block Diagram
66
Receiver Circuit Operation- Neutral and Polar Modes
68
Operation in Neutral Mode
68
Operation in Polar Vlode
68
Selection of Neutral or Polar Modes- Operation of Multiplexer US
69
Receive Protocol Description
69
Output L'-1Op Driver Functional Analysis
70
Interface Pwb A4 Output Loop Driver Circuitry
71
Equipment Interconnection - Theoretical Aspects
72
4.4.10 Conversion of CMOS Internal Outputs to RS-232 Outputs
73
Auto Start Relay Components
73
Transistor/Regulator Pwb Assembly as Description
73
Control and Indicator Pwb Assembly A6 Description
74
Frequency Control Board Assembly A7 Description
74
Interconnection Pwb Assembly\\" I Description
74
Details
74
Section 5 Maintenance
75
Introduction
75
Troubleshooting and Performance Verification
75
Recommended Test Equipment
75
Removal of Modulator Pwb Assembly A1
75
Removal of Demodulator Pwb Assembly A2
76
Removal of Timing and Control Pwb Assembly A3
76
5.7 Removal of Interface Pwb Assembly A4
76
Removal of Transistor/Regulator Pwb Assembly as
76
Removal of Power Supply Pwb Assembly PSI
76
Removal of Transformer Ltl
80
Removal of Front Panel Assembly
80
Removal of Control and Indicator Pwb Assembly A6
80
Removal of Frequency and Control Board Assembly a 7
82
Removal of Meter 1M1 and Circuit Breaker 1CB1
82
Removal of Interconnector Pwb Assembly Wl
82
Pwb Replacement- Special Instructions
83
RF-3352 FSK Terminal Adjustment, Control and Test Point Locations
83
Rf-3352 Fsk Terminal Voltage Source Diagram
83
RF-3352 FSK Terminal- Assembly Adjustment, Control and Test Point Locations
89
Test Point Typical Data Tables
90
RF-3352 FSK Terminal Alignment Procedures
90
Modulator PWB Assembly al Alignment Procedures
90
5.20.2 Demodulator Pwb Assembly A2 Alignment Procedures
91
Alignment Procedures - Timing and Control PWB A3, Transistor (Regulator PWB AS, Control and Indicator P\VB A6, Frequency Control Board a 7, and Power Supply PWB PSI)
95
Interface PWB Assembly A4 Alignment Procedures
95
Altp5 - Modulator 200X AUDIO OUTPUT Test Point Typical Data
103
Measurement No. 4
109
Points (Respectively) Typical Data
112
A2TP4- Demodulator VALID DATA DET. Test Point Typical Data
114
A2TP6 and A2TP7- Demodulator MARK MIX OUT. and SPACE MIX out Test Points (Respectively) Typical Data
116
A2TP8- Demodulator SAA Test Point Typical Data
117
A2TP9- Demodulator SPACE BPF out Test Point Typical Data
118
A2TP12- Demodulator MARK BPF out Test Point Typical Data
121
A2TP14- Demodulator DECISION LEVEL Test Point Typical Data
123
Points (Respectively) Typical Data
124
A3TP2- Timing and Control 8KHZ Test Point Typical Data
126
A3TP3- Timing and Control C + S Test Point Typical Data
127
A3TP4- Timing and Control I - (C + S) Test Point Typical Data
128
A3TP5- Timing and Control C - S Test Point Typical Data
129
A3Tp6- Timing and Control I- (C-S) Test Point Typical Data
130
Parts Lists and Component Location Ora Wings
131
Introduction
131
Manufacturers' Code-To-Address Data
131
Chassis/Panel Assembly Parts List
132
RF-3352 FSK Terminal Component Locations
134
Demodulator Pwb A2 Parts List
142
Demodulator Pwb A2 Component Locations
143
Timing and Control Pwb A3 Component Locations
151
Interface Pwb A4 Parts List
152
Interface Pwb A4 Component Locations
153
Transistor/Regulator Pwb as Parts List
155
Control and Indicator Pwb A6 Parts List
157
Control and Indicator Pwb A6 Component Locations
158
Frequency Control Board Assembly a 7 Parts List
159
Frequency Control Board a 7 Component Locations
160
Power Supply Pwb PS 1 Parts List
161
Power Supply Pwb PSI Component Locations
162
Chassis and Panel Wiring Assembly W2 Parts List
165
Interface Wiring Assembly W3 Component Locations
167
Low Level Wiring Assembly W4 Parts List
168
Section 7 Schematic Diagrams and Related Data
169
Introduction
169
Schematic Diagram List
169
Abbreviations and Acronyms
169
7.4 Connector Pin, Adjustment, and Test Point Reference Data
169
RF-3352 FSK Terminal Schematic Diagram List
169
Interface Pwb Assembly A4, PN 6918-1150 Connector Pin, Adjustment Pot., and Switch Reference Data
176
Reference Data
176
Frequency Control Board Assembly A7, Pn 6918-1220 Connector Pin and Switch Reference Data
179
Power Supply Pwb Assembly PSI, PN 6918-1160 Connector Pin and Fuse Reference Data
180
Interconnection Pwb Assembly W 1, PN 6918-1110 Connector Pin Reference Data
182
Interface Wiring Assembly W3, PN 6918-0130 Connector Pin Reference Data
189
Low Level Wiring Assembly W4, PN 6918-0140 Connector Pin Reference Data
190
RF-3352 FSK Terminal Chassis and Panel Assembly Schematic Diagram
192
Modulator Pwb AI Schematic Diagram
200
Demodulator Pwb A2 Schematic Diagram
205
Timing and Control Pwb A3 Schematic Diagram
211
Interface Pwb A4 Schematic Diagram
214
Control and Indicator Pwb A6 Schematic Diagram
217
Frequency Control Board Assembly a 7 Schematic Diagram
219
Power Supply Pwb PSI Schematic Diagram
220

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