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Motorola MTR3000 Basic Service Manual
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MTR3000 Power Amplifier
: Basic Troubleshooting
4-7
4.4
Basic T
roubleshooting
4.4.1
Replacement Procedure
The RDAC application is used as a general guide fo
r basic troubleshooting. Use this application to
check the Low RF Power
, VSWR, V
oltage, Fan Failure and temperatur
e parameters, as the initial
step to identify faults
to the Power Amplifier
.
For procedure to replace
the Power Amplifier
, refe
r to Section 14.7.2.2 on p
age 14-7.
82
84
Table of Contents
68007024096_D.pdf
2
Foreword
3
General Safety and Installation Standards and Guidelines
4
MOTOTRBO MTR3000 Base Station/Repeater Supplemental Safety and Installation Requirements
6
Environmental Information
7
Part 68 Information
8
Document History
9
Table of Contents
11
Foreword i
11
General Safety and Installation Standards and Guidelines ii
11
MOTOTRBO MTR3000 Base Station/Repeater Supplemental Safety and Installation Requirements iv
11
Environmental Information v
11
Part 68 Information vi
11
Commercial Warranty xxxi
11
Chapter 1 MTR3000 Base Station/Repeater 1-1
11
Chapter 2 MTR3000 Receiver Module 2-1
12
Chapter 3 MTR3000 Exciter Module 3-1
12
Chapter 4 MTR3000 Power Amplifier 4-1
13
Chapter 5 MTR3000 Station Control Module 5-1
13
Chapter 6 MTR3000 Backplane 6-1
13
Chapter 7 MTR3000 Power Supply 7-1
14
Chapter 8 MTR3000 Wireline 8-1
14
Chapter 9 MTR3000 Radio Frequency Distribution System (RFDS) Equipment 9-1
15
Chapter 10 MTR2000 MOTOTRBO Digital Upgrade 10-1
16
Chapter 11 MTR3000 Test Equipment And Service Aids 11-1
16
Chapter 12 MTR3000 Performance Check or Testing 12-1
16
Chapter 13 MTR3000 Programming and Tuning 13-1
17
Chapter 14 MTR3000 Maintenance and Disassembly/Reassembly 14-1
17
Appendix A Accessories A-1
18
Appendix B EMEA Warranty, Service and Technical Support B-1
18
Appendix C LACR Replacement Parts Ordering and Motorola Service Centers C-1
19
Appendix D NAG Replacement Parts Ordering and Motorola Service Centers D-1
19
Appendix E MTR3000 Third Party Controllers E-1
20
Appendix F Audio Enhancement F-1
21
Appendix G MOTOTRBO Base Station/Repeater – EME ASSESSMENT G-1
21
Glossary of Terms and Acronyms Glossary-1
21
List of Figures
23
List of Tables
27
Summary of Bands Available
31
Commercial Warranty
33
Chapter 1 MTR3000 Base Station/Repeater
35
1.1 Notations Used in This Manual
35
1.2 Description
35
1.2.1 Operating Features
38
1.2.2 Features not offered
40
1.2.3 Frequency Ranges and Power Levels
40
1.3 Specifications
41
1.4 Theory of Operation
43
1.5 Model Chart
45
1.6 Basic Troubleshooting
46
Chapter 2 MTR3000 Receiver Module
59
2.1 Description
59
2.1.1 General Description
59
2.2 Specifications
61
2.3 Functional Theory of Operation
61
2.3.1 Functional Overview
61
2.3.2 Data Communications
63
2.4 Basic Troubleshooting
67
2.4.1 Replacement Procedure
67
Chapter 3 MTR3000 Exciter Module
69
3.1 Description
69
3.1.1 General Description
69
3.2 Specifications
71
3.3 Functional Theory of Operation
71
3.3.1 Functional Overview
71
3.4 Basic Troubleshooting
75
3.4.1 Replacement Procedure
75
Chapter 4 MTR3000 Power Amplifier
77
4.1 Description
77
4.1.1 General Description
77
4.2 Specifications
79
4.3 Functional Theory Of Operation
79
4.4 Basic Troubleshooting
83
4.4.1 Replacement Procedure
83
Chapter 5 MTR3000 Station Control Module
85
5.1 Description
85
5.1.1 General Description
85
5.2 Functional Theory of Operation
86
5.2.1 Tx OMAP
86
5.2.2 Rx OMAP
88
5.2.3 MAKO
89
5.2.4 Field Programmable Gate Array (FPGA)
89
5.2.5 Audio
89
5.2.6 Ethernet Interface
91
5.2.7 Backplane Interface Board
91
5.2.8 Exciter
91
5.2.9 Receiver
91
5.2.10 Front Panel (FP) Connectors
92
5.2.11 Front Panel LEDs
94
5.2.12 Supply Voltage Circuitry
94
5.3 Basic Troubleshooting
97
5.3.1 Replacement Procedure
97
5.3.2 Post-Replacement Optimization Procedure
97
Chapter 6 MTR3000 Backplane
99
6.1 Description
99
6.1.1 General Description
99
6.2 Basic Troubleshooting
124
6.2.1 Replacement Procedure
124
6.2.2 Fuse Check and Replacement Procedure
124
Chapter 7 MTR3000 Power Supply
127
7.1 Description
127
7.1.1 General Description
127
7.2 Specifications
129
7.3 Functional Theory Of Operation
130
7.3.1 Supply Circuitry
130
7.4 Basic Troubleshooting
133
7.4.1 Replacement Procedure
133
7.4.2 Basic Voltage Check Procedure
133
Chapter 8 MTR3000 Wireline
135
8.1 Description
135
8.1.1 General Description
135
8.2 Specifications
137
8.3 Functional Theory Of Operation
137
8.3.1 Functional Overview
137
8.3.2 Board Configuration
140
8.4 Basic Troubleshooting
149
8.4.1 LEDs
149
8.4.2 Tone Remote Control
151
8.4.3 DC Remote Control
154
Chapter 9 MTR3000 Radio Frequency Distribution System (RFDS) Equipment
155
9.1 Description
155
9.1.1 General Description
155
9.2 Specifications
159
9.2.1 Base Station/Repeater Preselectors
159
9.2.2 Duplexer
159
9.2.3 External Dual Circulator Tray
160
9.2.4 Antenna Relay
161
9.3 Functional Theory of Operation
162
9.3.1 Base Station/Repeater Preselectors
162
9.3.2 Antenna Relay
162
9.3.3 External Dual Circulator Tray
162
9.3.4 Duplexer
163
9.4 Basic Troubleshooting
163
9.4.1 Replacement Procedure
163
9.5 Field Tuning Procedures
166
9.5.1 Base Station/Repeater Preselectors
166
9.5.2 Duplexer
182
Chapter 10 MTR2000 MOTOTRBO Digital Upgrade
197
10.1 Overview
197
10.2 Unpacking
198
10.2.1 Equipment Unpacking and Inspection
198
10.3 New Connections
201
10.3.1 AUX Connector
203
10.3.2 System Connector
203
10.3.3 Telephone Line Connections
203
10.3.4 Station Maintenance Connections
203
10.4 Operational Verification
204
10.4.1 Applying Power
204
10.4.2 Alignment and Configuration
204
10.4.3 Optimizing Tasks
204
10.4.4 Verifying Radio Operation
204
10.4.5 Verifying Proper Operation
204
Chapter 11 MTR3000 Test Equipment And Service Aids
205
11.1 Recommended Test Equipment
205
11.2 Service Aids
206
Chapter 12 MTR3000 Performance Check or Testing
207
12.1 General
207
12.2 Verifying Transmitter Circuitry
207
12.2.1 Introduction
207
12.2.2 Test Equipment
207
12.2.3 Verifying Transmitter Circuitry Procedure
208
12.3 Verifying Receiver Circuitry
211
12.3.1 Introduction
211
12.3.2 Required Test Equipment
211
12.3.3 Verifying Receiver Circuitry Procedure
212
Chapter 13 MTR3000 Programming and Tuning
215
13.1 Introduction
215
13.2 Customer Programming Software Setup
215
13.3 Base Station/Repeater Tuning Setup
217
13.4 Tuning Setup (MTR2000 MOTOTRBO Digital Upgrade)
217
13.4.1 MTR2000 Calibration Coefficient Entry
217
13.5 Tuning Setup (Wireline)
219
13.5.1 Wireline Receive Level Tuning
219
13.5.2 Wireline Rx Equalization – 2800 Hz Tuning
220
13.5.3 Wireline Rx Equalization – 400 Hz Tuning
223
13.5.4 Wireline Transmit Level Tuning
224
13.5.5 Wireline Squelch Level Tuning
226
13.6 Modulation Limit Alignment
228
13.6.1 Tuning Procedure (with no Tx Data and no PL)
228
13.6.2 Verification (with no Tx Data and no PL)
229
13.6.3 Tuning Procedure (with Tx Data or PL)
230
13.6.4 Verification (with Tx Data or PL)
231
Chapter 14 MTR3000 Maintenance and Disassembly/ Reassembly
233
14.1 Introduction
233
14.2 Routine Maintenance
233
14.3 Preventive Maintenance
233
14.3.1 Inspection
233
14.3.2 Cleaning Procedures
233
14.3.3 Station Reference Alignment Procedure
234
14.4 Safe Handling of CMOS Devices
235
14.5 Repair Procedures and Techniques – General
236
14.6 Disassembly and Reassembly – General
237
14.7 Disassembly and Reassembly – Detailed
237
14.7.1 Front Bezel Disassembly and Reassembly
237
14.7.2 Module Disassembly and Reassembly
238
14.8 Exploded Mechanical View
247
14.9 Parts List
248
14.10 Torque Chart
249
Appendix A Accessories
251
A.1 Introduction
251
A.1.1 MOTOTRBO MTR3000 Ordering Guideline
251
A.1.2 MOTOTRBO MTR3000 FRU
254
A.1.3 MTR2000 MOTOTRBO Upgrade Kit Ordering Guideline
257
A.1.4 MTR2000 MOTOTRBO Upgrade Kit FRU
258
Appendix B EMEA Warranty, Service and Technical Support
259
B.1 Warranty and Service Support
259
B.1.1 Warranty Period and Return Instructions
259
B.1.2 After Warranty Period
259
B.2 European Radio Support Centre (ERSC)
260
B.3 Piece Parts
260
B.4 Technical Support
261
B.5 Further Assistance From Motorola
261
Appendix C LACR Replacement Parts Ordering and Motorola Service Centers
263
C.1 Commercial Warranty
263
C.2 Replacement Parts Ordering
265
C.2.1 Basic Ordering Information
265
C.2.2 Motorola Online
265
C.3 Motorola Service Centers
265
C.3.1 Servicing Information
265
C.3.2 Motorola de México, S.A.
265
C.3.3 Motorola de Colombia, Ltd.
265
Appendix D NAG Replacement Parts Ordering and Motorola Service Centers
267
D.1 Commercial Warranty
267
D.2 Replacement Parts Ordering
269
D.2.1 Basic Ordering Information
269
D.2.2 Motorola Online
269
D.2.3 Mail Orders
269
D.2.4 Telephone Orders
269
D.2.5 Fax Orders
269
D.2.6 Parts Identification
269
D.2.7 Product Customer Service
270
D.3 Motorola Service Centers
270
D.3.1 Servicing Information
270
D.3.2 Motorola Service Center
270
D.3.3 Motorola Federal Technical Center
270
D.3.4 Motorola Canadian Technical Logistics Center
270
Appendix E MTR3000 Third Party Controllers
271
E.1 Overview
271
E.2 Community Repeater Panel
272
E.2.1 Description
272
E.2.2 Compatibility
272
E.2.3 Hardware Connections
273
E.2.4 CPS Configuration
274
E.2.5 Community Repeater Panel Settings
275
E.3 Phone Patch
276
E.3.1 Description
276
E.3.2 Compatibility
276
E.3.3 Hardware Connections
277
E.3.4 CPS Configuration
277
E.3.5 Phone Patch Level Settings
279
E.4 Tone Remote Adapter
280
E.4.1 Description
280
E.4.2 Compatibility
280
E.4.3 Hardware Connections
281
E.4.4 CPS Configuration
282
E.4.5 Tone Remote Adapter settings
283
E.5 Trunking Controllers
284
E.5.1 Description
284
E.5.2 Compatibility
285
E.5.3 Hardware Connections
286
E.5.4 CPS Configuration
287
E.5.5 Trunking Controller Settings
289
Appendix F Audio Enhancement
291
F.1 Overview
291
F.1.1 Hear Clear feature with the third party controllers
291
F.1.2 Third party controller and the subscriber configuration for Hear Clear feature
291
F.1.3 Hear Clear feature configuration in repeater mode
292
F.1.4 Companding feature configuration between third party controllers and subscriber
292
F.1.5 Companding feature configuration between the repeater and subscribers
292
Appendix G MOTOTRBO Base Station/Repeater – EME ASSESSMENT
294
G.1 Executive Summary
294
G.2 Exposure Prediction Model
294
G.2.1 Exposure in Front of the Antenna
294
G.2.2 Exposure at Ground Level
296
G.3 Typical System Configuration
297
G.4 Exposure Limits
297
G.5 EME Exposure Evaluation
297
G.5.1 Exposure in Front of the Antenna
297
G.5.2 Exposure at Ground Level
297
G.6 Compliance Boundary Description
298
G.7 References
298
Glossary of Terms and Acronyms
300
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Motorola MTR3000 Specifications
General
Brand
Motorola
Model
MTR3000
Category
Accessories
Language
English
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