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Motorola MTR3000 User Manual
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4-26
Troubleshooting
Figure 4-1
1 Power T
roubleshooting Flow Chart (Controller)
P
o
wer
Ca
ble
Pl
u
g
in
?
B
att
ery B
a
ck
u
p OK?
Cont
r
o
ller
o
k
No
No
P3200M3
P
in
A
1, B1,
C
1 = 14.2V?
Is P3200M3
d
a
m
a
ged?
B
R
PS
i
ss
u
e,
Cont
r
o
ller
o
k
Yes
No
No
R
epl
a
ce P3200M3
Yes
Pl
u
g
in
P
o
wer-c
a
ble
Yes
P3200M3
P
in
A
3, B3,
C
3 = 5V?
No
Yes
U3831M4
P
in
4 = 9.3?
R
epl
a
ce U3831M4
U3838M4
P
in
4 = 5V?
R
epl
a
ce U3838M4
U2802M2
P
in
1 = 2.5
an
d P
in
7 =
4.65V?
R
epl
a
ce U2802M4
Yes
No
No
Yes
Yes
No
U3893M4
P
in
5 =
12V?
R
epl
a
ce U3893M4
No
Yes
Th
i
s check
i
s
on
ly
a
ppl
i
c
a
ble
to
C
L
N
8565
U3874M4
P
in
A
, B,
C
(1-4) =
1.875V?
R
epl
a
ce U3874M4
No
Yes
U3801M4
P
in
9 =
3.3V?
No
Yes
U3801M4
P
in
5 =
1.875V?
R
epl
a
ce U3801M4
Yes
R
epl
a
ce
R
3876M4
No
U3883M4
P
in
9 =
3.3V?
No
Yes
U3883M4
P
in
5 =
1.875V?
R
epl
a
ce U3883M4
Yes
R
epl
a
ce
R
3876M4
No
U3906M4
P
in
9 =
2.775V?
No
Yes
U3906M4
P
in
5 =
3.3V?
R
epl
a
ce U3906M4
Yes
R
epl
a
ce
R
3861M4
No
Yes
Yes
U3826M4
P
in
9 =
1.2V?
No
U3826M4
P
in
5 =
3.3V?
R
epl
a
ce U3826M4
Yes
R
epl
a
ce
R
3861M4
No
U3850M4
P
in
9 =
1.4V?
No
U3850M4
P
in
5 =
3.3V?
R
epl
a
ce U3850M4
Yes
R
epl
a
ce
R
3844M4
No
Yes
U3800M4
P
in
9 =
1.4V?
No
U3800M4
P
in
5 =
3.3V?
R
epl
a
ce U3800M4
Yes
R
epl
a
ce
R
3844M4
No
Yes
Yes
P
o
wer Sec
tion
i
s
o
k
a
y
141
143
Table of Contents
68007024097_DSMFrntcover.pdf
1
68007024097_b.pdf
2
Foreword
3
General Safety and Installation Standards and Guidelines
4
MOTOTRBOTM MTR3000 Base Station/Repeater Supplemental Safety and Installation Requirements
6
Environmental Information
7
Document History
9
Table of Contents
11
Foreword i
11
General Safety and Installation Standards and Guidelines ii
11
MOTOTRBOTM MTR3000 Base Station/Repeater Supplemental Safety and Installation Requirements iv
11
Environmental Information v
11
Commercial Warranty xx
11
Appendix A EMEA Warranty, Service and Technical Support A-1
14
Appendix B LACR Replacement Parts Ordering and Motorola Service Centers B-1
14
Appendix C NAG Replacement Parts Ordering and Motorola Service Centers C-1
14
Appendix D MOTOTRBO Base Station/Repeater – EME ASSESSMENT D-1
15
Glossary of Terms and Acronyms Glossary-1
15
List of Figures
16
List of Tables
17
Summary of Printed Circuit Boards and Bands
19
Commercial Warranty
20
Chapter 1 MTR3000 Base Station/Repeater
21
1.1 Notations Used in This Manual
21
1.2 Description
21
1.2.1 Operating Features
24
1.2.2 Features not offered
25
1.2.3 Frequency Ranges and Power Levels
25
1.3 Specifications
26
1.4 Theory of Operation
28
1.5 Basic Troubleshooting
30
Chapter 2 Maintenance
43
2.1 Introduction
43
2.1.1 Routine Maintenance
43
2.1.2 Preventive Maintenance
43
2.1.3 Safe Handling of CMOS Devices
44
2.1.4 Repair Procedures and Techniques – General
45
2.1.5 Test Equipment
48
2.1.6 Service Aids
49
Chapter 3 MTR3000 Power Amplifier
51
3.1 Overview
51
3.2 Theory of Operation
51
3.2.1 RF Board
54
3.2.2 Isolator
55
3.2.3 Output Board
56
3.2.4 Distribution Board
56
3.3 Troubleshooting
59
3.3.1 Application and Removal of Thermal Grease
59
3.3.2 Disassembly and Reassembly Procedures
60
3.3.3 Troubleshooting Chart
65
3.3.4 Detailed Troubleshooting
67
3.4 Power Amplifier (PA) Schematics (UHF)
75
3.5 Power Amplifier (PA) PCB (UHF)
90
3.6 Power Amplifier Parts List (UHF) – CLE1333
98
3.7 Power Amplifier Parts List (UHF) – CLE1334
99
3.8 Power Amplifier Parts List (UHF) – CLE6215
100
3.9 Power Amplifier Parts List (UHF) – CLE6216
105
3.10 Power Amplifier Parts List (UHF) – CLE6217
110
3.11 Power Amplifier Parts List (UHF) – CLE6218
111
3.12 Power Amplifier Parts List (UHF) – CLE6219
112
3.13 Power Amplifier Parts List (UHF) – CLN8504
116
Chapter 4 MTR3000 Station Control Module
117
4.1 Overview
117
4.2 Theory of Operation
117
4.2.1 Tx/Rx OMAP
118
4.2.2 Serial Peripheral Interface (SPI)
119
4.2.3 Station Reference
123
4.2.4 MAKO
125
4.2.5 Field Programmable Gate Array (FPGA)
127
4.2.6 Audio
129
4.2.7 Ethernet Interface
130
4.2.8 Backplane
132
4.2.9 Exciter
132
4.2.10 Receiver
133
4.2.11 Front Panel (FP) Connectors and Switch
134
4.2.12 Front Panel LEDs
138
4.2.13 Supply Voltage Circuitry
138
4.3 Troubleshooting
139
4.3.14 Disassembly and Reassembly Procedures
139
4.3.15 Troubleshooting Chart
140
4.3.16 Calibration Procedure
149
4.4 Controller Schematics (UHF)
150
4.5 Controller PCB (UHF)
167
4.6 Controller Parts List (UHF)
169
Chapter 5 MTR3000 Power Supply
193
5.1 Overview
193
5.2 Troubleshooting
193
5.2.1 Basic Voltage Check Procedure
193
Chapter 6 MTR3000 Receiver Module
195
6.1 Overview
195
6.2 Receiver Schematics (UHF)
197
6.3 Receiver PCB (UHF)
241
6.4 Receiver Parts List (UHF) – CRE4007
243
6.5 Receiver Parts List (UHF) – CRE4008
256
Chapter 7 MTR3000 Exciter Module
267
7.1 Overview
267
7.2 Exciter Schematics (UHF)
269
7.3 Exciter PCB (UHF)
295
7.4 Exciter Parts List (UHF) – CTE4003
297
7.5 Exciter Parts List (UHF) – CTE4004
303
Appendix A EMEA Warranty, Service and Technical Support
309
A.1 Warranty and Service Support
309
A.1.1 Warranty Period and Return Instructions
309
A.1.2 After Warranty Period
309
A.2 European Radio Support Centre (ERSC)
310
A.3 Piece Parts
310
A.4 Technical Support
311
A.5 Further Assistance From Motorola
311
Appendix B LACR Replacement Parts Ordering and Motorola Service Centers
313
B.1 Commercial Warranty
313
B.2 Replacement Parts Ordering
315
B.2.1 Basic Ordering Information
315
B.2.2 Motorola Online
315
B.3 Motorola Service Centers
315
B.3.1 Servicing Information
315
B.3.2 Motorola de México, S.A.
315
B.3.3 Motorola de Colombia, Ltd.
315
Appendix C NAG Replacement Parts Ordering and Motorola Service Centers
317
C.1 Commercial Warranty
317
C.2 Replacement Parts Ordering
319
C.2.1 Basic Ordering Information
319
C.2.2 Motorola Online
319
C.2.3 Mail Orders
319
C.2.4 Telephone Orders
319
C.2.5 Fax Orders
319
C.2.6 Parts Identification
320
C.2.7 Product Customer Service
320
C.3 Motorola Service Centers
320
C.3.1 Servicing Information
320
C.3.2 Motorola Service Center
320
C.3.3 Motorola Federal Technical Center
320
C.3.4 Motorola Canadian Technical Logistics Center
320
Appendix D MOTOTRBO Base Station/Repeater – EME ASSESSMENT
321
D.1 Executive Summary
321
D.2 Exposure Prediction Model
321
D.2.1 Exposure in Front of the Antenna
321
D.2.2 Exposure at Ground Level
323
D.3 Typical System Configuration
324
D.4 Exposure Limits
324
D.5 EME Exposure Evaluation
324
D.5.1 Exposure in Front of the Antenna
324
D.5.2 Exposure at Ground Level
324
D.6 Compliance Boundary Description
325
D.7 References
325
Glossary of Terms and Acronyms
327
blank.pdf
332
68007024097_DSMBckcover_b.pdf
333
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Motorola MTR3000 Specifications
General
Brand
Motorola
Model
MTR3000
Category
Accessories
Language
English
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