Harris RF-350K Manuals

Manuals and User Guides for Harris RF-350K. We have 1 Harris RF-350K manual available for free PDF download: Instruction Manual

Harris RF-350K Instruction Manual (336 pages)

Brand: Harris | Category: Radio | Size: 23 MB

Table of Contents
5
Specifications
16
About this Manual
18
Chapter 1. General Information
20
General Description and Use
21
Equipment Functional Description
21
Mechanical Design
23
RF-350K Transceiver Subassemblies
24
Leading Particulars
28
Capabilities and Limitations
28
Equipment and Accessories Supplied
28
Equipment Required but Not Supplied
28
Special Tools and Test Equipment
29
AFSK Option
29
Optional Equipment
34
Chapter 2. Installation
37
Section 1 - INSTALLATION LOGISTICS
37
Equipment Unpacking Procedure
37
Preparation for Installation
37
Unpacking the Equipment
38
RF-350K Transceiver Dimensions
40
RF-350K Transceiver Installation Options
42
Section 2 - INSTALLATION PROCEDURE
44
Installation Manpower and Manhour Requirements
44
Installation Sequence
44
Typical Cable Fabrications
45
Exhaust Fan
48
Safety Precautions for Cable Fabrication
48
RF-350K Transceiver Rear Panel
49
Installation Complete Check
51
RF-350/RF-350K/RF-366 Interconnection Cabling
52
Chapter 3. Preparation for Use and Reshipment
59
Initial Checkout
59
Section 2 - PREPARATION for RESHIPMENT
66
Preparation for Reshipment
66
Chapter 4. Operation
67
Section 1 - CONTROLS and INDICATORS
67
Control and Indicator Descriptions
67
Transceiver Keypad Control
67
Operating Instructions
67
Section 2 - OPERATING INSTRUCTIONS
67
RF-350K Transceiver Operating Controls and Indicators
67
Introduction
75
Operating Sequences
75
RF-350K Transceiver Operating Controls and Indicators
77
Sequencing of Controls
78
Connection of External Equipment
78
External Connections
78
Power Application and Warmup
79
Power Application Operator Sequence
79
Analog Control Positioning
79
Control Operation During Periods of Transmit
80
Frequency Selection
80
Channel Selection
81
Mode Selection
82
Audio Source Selection
82
AGC Selection
83
VOX Selection
83
BFO Selection
84
Clip Selection
84
Sidetone Selection
84
FSK Rev Selection
84
TX Key Selection
85
USB and LSB Operation
85
Ame Operation
85
CW Operation
86
AFSK Operation
87
Remote Operation
88
Linear Power Amplifier Operation
88
Antenna Coupler Operation
89
Front Panel Adjustments
89
BIT Fault Interpretation
91
Power, VSWR, and Audio Metering
94
Programming of Preset Channels
95
Section 3 - EMERGENCY OPERATION
95
Conditions for Emergency Operation
95
Theory of Operation
97
Section 1 - FUNCTIONAL SYSTEM OPERATION
97
RF-350K Transceiver Functional Operation
97
RF-350K Transceiver Operating as a Receiver
97
RF-350K Transceiver Operating as a Transmitter
97
Functional Operation and Signal Flow of Transmitting Circuits
97
Theory of Operation
100
Functional Operation and Signal Flow of Receiving Circuits
101
Functional Operation and Signal Flow of Synthesizer and Reference Circuits
102
Transceiver Reference and Synthesizer Frequencies
103
Functional Operation and Signal Flow of RF-350K Transceiver Control Circuits
105
Functional Operation and Signal Flow of Power Supply Circuits
110
Simplified Transceiver Power Supply Circuits
111
Functional Operation of Electronic Circuits
112
Introduction
112
RF-350K Transceiver Assembly Reference Designators
115
Overall Assembly Descriptions
116
RF-350K Transceiver Assembly A1, 10085-01 00
116
Interconnection Cables
116
Signal Tracing in RF-350K Transceiver
116
Description of Cable Assemblies
116
RF-350K Transceiver Assembly Interconnection Cable Descriptions
116
Exciter Pwb Assembly A1A1, 10085-5400
117
Overall Exciter PWB Function
123
Detailed Exciter Board Circuit Descriptions
126
BIT Map for Memory Decode PROM U15
134
If Filter Pwb Assembly, A1A2, 10085-5300
137
Transceiver Simplified Block Diagram
137
Overall if Filter PWB Function
138
Detailed if Filter Board Circuit Description
138
First Converter PWB Assembly A1A3, 10085-5000
139
First Converter PWB Assembly, A1A3, 10085-5000
139
Overall First Converter PWB Function
140
Detailed First Converter Board Circuit Description
140
WATT Power Amplifier Assembly A1A4, 10085-8010
143
Overall100 WATT PA Assembly Function
143
Detailed 1 00 WA TI PA Assembly Description
143
Simplified 100 Watt PA Assembly
144
Overall Low Pass Filter PWB Function
145
Low Pass Filter Pwb Assembly A1A5, 10085-4000
145
Detailed Low Pass Filter Board Circuit Descriptions
146
Transmit Signal Path
146
Receive Signal Path
147
Low Pass Filter BIT Functions
147
Agc/Tgc Pwb Assembly A1A6, 10085-5250
148
Overall AGC Function
148
Transceiver Simplified AGC Diagram
149
Simplified TGC Circuit Operation
150
Simplified TGC Detector Operation
151
Detailed AGC Circuit Description
152
Overall TGC Function
155
TGC Operation
155
TGC Operation- PPC
156
Detailed TGC Circuit Operation
156
Receiver Pwb Assembly, A1A7, 10085-5200
163
Overall Receiver PWB Function
163
Overall Receiver PWB Operation
163
Simplified Receiver PWB Diagram
164
Detailed Receiver PWB Circuit Operation
165
Crystal Oscillator Assembly a 1 AS, 10085-0610
170
Overall Crystal Oscillator Assembly Function
170
Crystal Oscillator Connection Diagram
171
Detailed Crystal Oscillator Circuit Description
172
Crystal Oscillator Summary of Specifications
172
Reference/Bfo Pwb Assembly, A1A9, 10085-5500
172
Simplified Bfo/Carrier Operation
174
Overall Reference Function
175
Detailed Reference Circuit Operation
175
Overall BFO Function
175
Detailed BFO Circuit Operation
176
Synthesizer PWB Assembly A1A10, 10085-5600
181
Synthesizer PWB Assembly, a 1 a 10, 10085-5600
181
Overall Synthesizer PWB Function
182
Description of Fractional Divide-By-N Phase Lock Loop
182
Synthesizer Simplified Block Diagram
183
Synthesizer Simplified Phase Detector Operation
184
Synthesizer Simplified Integrator Waveform
185
Synthesizer Simplified Divide by N Diagram
186
Detailed Circuit Operation
191
Front Panel Assembly A1 a 11, 10085-2000
195
Overall Front Panel Assembly Function
196
Detailed Front Panel Assembly Circuit Operation
196
Simplified Front Panel PWB
196
Transceiver Control Pwb Assembly A1A12, 10085-9000
199
Overall Transceiver Control PWB Function
199
Summary of 8088 Microprocessor Specification
200
Simplified Microprocessor/Remote Interface
202
Microprocessor "Ready" and Control Bus "Enable" Timing Chart
203
Simplified Select/Control Logic
204
Simplified Memory Circuits
205
Simplified Interrupt Controller Circuits
207
Summary of 8259 Programmable Interrupt Controller
208
Simplified Programmable Peripheral Interface Controls
209
Pin Configuration
210
Pin Names
210
Summary of 8255A Programmable Peripheral Interface Specifications
210
Block Diagram
210
Microprocessor, and Related Control Functions
211
Enables for Control Bus Activity
214
Remote Control Interface
214
Input/Output Device Select/Control Logic Generation
215
BIT Map for Memory Decode PROM U3
216
Memory Devices
218
Analog-To-Digital/Digital-To-Analog Conversion
220
Interrupt Controller U24
222
Programmable Peripheral Interface U32
223
Lpa/Coupler Interface PWB Assembly A1A13, 10085-7000
226
Lpa/Coupler PWB Assembly, A1A13, 10085-7000
226
Overall Lpa/Coupler Interface PWB Function
227
Detailed Lpa/Coupler Interface PWB Board Circuit Descriptions
227
Simplified Lpa/Coupler Interface
228
Multivoltage Converter Assembly A1A14, 10085-1240
231
Overall Multivoltage Converter Assembly Function
231
Detailed Multivoltage Converter Assembly Circuit Description
231
Voltage Regulator U2 Simplified Diagram
234
Interconnect PWB Assembly A1A15, 10085-4210
236
Overall Interconnect PWB Function
236
Interconnect PWB Assembly, A1A15, 10085-4210
236
Audio Interface Pwb Assembly A1A16, 10085·0570
237
Overall Audio Interface PWB Function
237
Hybrid Transformers
237
Coupler Connector PWB Assembly A1A17, 10085-0550
238
Overall Coupler Connector PWB Function
238
Simplified Diagram, Coupler Connector PWB
239
AFSK Assembly A1A18, 10085-6000
240
Overall AFSK Assembly Function
240
Detailed AFSK Converter Circuit Description
240
Simplified AFSK Operation Diagram
241
AFSK Converter Timing Diagram
242
Detailed AFSK Keyer Circuit Description
248
AFSK PWB MCB Interface
253
Miscellaneous AFSK Circuit Functions
255
Connector Plate Assembly A1A20, 10085-0580
256
Power Supply Unit A2, 10085-0200
256
Overall Power Supply Unit Function
256
Overall Technical Description, Power Supply Unit, A2
256
Figure
256
Power Supply Unit Simplified Diagram
257
Power Supply Protection and Control Assembly A2A1, 10085-0290
259
Detailed Protection and Control PWB Circuit Description
259
Protection and Control Assembly Simplified Diagram
260
VDC Power Supply Assembly A2A2, 10085-0260
262
VDC Power Supply Assembly Overall Function
262
Detailed +13.6 VDC Power Supply Circuit Description
262
VDC Power Supply Overall Operation
263
VDC Power Supply Functional Diagram
264
Simplified Regulator U1 Operation
265
Pulse Width Modulating Regulator Waveform
266
Chapter 6. Maintenance
272
Section 1 - INTRODUCTION
272
Chapter Organization
272
Maintenance Philosophy
272
BIT (Built-In Test)
273
Section 2 - PERFORMANCE TESTING and TROUBLE ANALYSIS USING BIT
273
Front Panel Controls and Displays
273
Periodic Automatic Status Checking
273
Manual Diagnostic BIT Routine
273
Manual BIT Flowchart
274
Automatic Diagnostic BIT Routines
276
Troubleshooting with BIT
276
Meter Functions
277
Fault Code Chart
278
Section 3 - REMOVAL/REPLACEMENT PROCEDURES
282
Front Panel PWB Assy, Display Assy
285
Remote Control Interface PWB Assy
285
Transceiver Control PWB Assy
287
Low Pass Filter PWB Assy
288
AFSK Module Assy
289
AGC/TGC PWB Assy
289
Lpa/Coupler Interface PWB Assy
290
Synthesizer PWB Assy
290
Reference/Bfo PWB Assy
291
First Converter PWB Assy
292
Receiver PWB Assy
293
Exciter PWB Assy
293
Power Supply Assy
294
Power Supply Protection and Control PWB Assy
295
Power Amplifier Assy
295
Multivoltage Supply Assy
296
Crystal Oscillator Assy
296
Audio Interface PWB Assy
297
Section 4 - Periodic Maintenance Procedures
297
Periodic Maintenance Actions
297
Section 5 - ALIGNMENT PROCEDURES
298
Introduction
298
Test Equipment
298
Alignment Procedures
300
Carrier Null Adjustment
302
First Converter PWB Assembly
308
Low Pass Filter PWB Assembly
313
AGC/TGC PWB Assembly
315
Receiver PWB Assembly
317
Crystal Oscillator Assembly
320
Reference/Bfo PWB Assembly
321
Synthesizer PWB Assembly
323
Transceiver Control PWB Assembly
326
Audio Interface PWB Assembly
329
AFSK Keyer/Converter PWB Assembly
331
AFSK if Filter PWB Assembly
332
VDC Power Supply PWB Assembly
334

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Harris RF-350K Instruction Manual (336 pages)

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