Motorola XTS 2500I Manuals

Manuals and User Guides for Motorola XTS 2500I. We have 1 Motorola XTS 2500I manual available for free PDF download: Service Manual

Motorola XTS 2500I Service Manual

Motorola XTS 2500I Service Manual (914 pages)

Brand: Motorola | Category: Two-Way Radio | Size: 51.78 MB

Table of Contents

Foreword
2
- Safety Information
  2
- Manual Revisions
  2
- Computer Software Copyrights
  2
- Documentation Copyrights
  2
- Disclaimer
  2
- Trademarks
  2
Document History

3
- Table of Contents
  5
Chapter 1 Introduction

27
- General
  27
- Notations Used in this Manual
  27
Chapter 2.1 VHF Overall Characteristics

29
Chapter 3.1 VHF Radio Power

49
Chapter 4.1 VHF Detailed Theories of Operation

69
- Introduction
  69
- Frequency Synthesis
  69
- Antenna Switch
  70
- Receiver
  70
  - Front End
    71
  - Back End
    71
- Transmitter
  72
- VOCON Functional Blocks
  73
  - Controller and Memory Section
    73
    
    Patriot IC (U800)
    73
    
    Flash Memory (U803)
    76
    
    Sram (U804)
    76
    
    Figure 4.1-1. Controller Memory Interface
    77
  - Audio and Power Section
    78
    
    Mako IC (U701)
    78
    
    Audio Power Amplifier
    79
    
    Audio Pre-Amplifier
    79
    
    Regulator
    79
  - Interface Support Section
    80
    
    Mako IC U701
    80
    
    ESD Protection Circuitry
    81
    
    Universal Connector (Side Connector) Interface Circuitry
    81
    
    Figure 4.1-2. Universal (Side) Connector
    82
    
    Figure 4.1-3. VOCON Connector J650
    82
    
    Table 4.1-1. Option Select Functions
    82
    
    The Option Board
    83
    
    Encryption Module
    84
    
    Table 4.1-2. Encryption Module Software Kits and Algorithms
    84
    
    System Clocks
    85
  - Transmit Audio Path
    85
  - Figure 4.1-4. VOCON Transmit Audio Path
    85
  - Receive Audio Path
    86
  - Figure 4.1-5. VOCON Receive Audio Path
    86
- Chapter 4.2 UHF1 Detailed Theories of Operation
  87
  - Introduction
    87
  - Frequency Synthesis
    87
  - Antenna Switch
    88
  - Receiver
    89
    
    Front End
    89
    
    Back End
    90
  - Transmitter
    90
  - VOCON Functional Blocks
    91
    
    Controller and Memory Section
    91
    
    Patriot IC (U800)
    91
    
    Sram (U804)
    94
    
    Figure 4.2-1. Controller Memory Interface
    95
    
    Flash Memory (U803)
    95
    
    Audio and Power Section
    96
    
    Mako IC (U701)
    96
    
    Audio Power Amplifier
    97
    
    Audio Pre-Amplifier
    97
    
    Regulator
    97
    
    Interface Support Section
    98
    
    Mako IC U701
    98
    
    ESD Protection Circuitry
    99
    
    Universal Connector (Side Connector) Interface Circuitry
    99
    
    Figure 4.2-2. Universal (Side) Connector
    100
    
    Figure 4.2-3. VOCON Connector J650
    100
    
    Table 4.2-1. Option Select Functions
    100
    
    The Option Board
    101
    
    Encryption Module
    102
    
    Table 4.2-2. Encryption Module Software Kits and Algorithms
    102
    
    Figure 4.2-4. VOCON Transmit Audio Path
    103
    
    System Clocks
    103
    
    Transmit Audio Path
    103
    
    Figure 4.2-5. VOCON Receive Audio Path
    104
    
    Receive Audio Path
    104
- Chapter 4.3 UHF2 Detailed Theories of Operation
  105
  - Introduction
    105
  - Frequency Synthesis
    105
  - Antenna Switch
    106
  - Receiver
    107
    
    Front End
    107
    
    Back End
    108
  - Transmitter
    108
  - VOCON Functional Blocks
    109
    
    Controller and Memory Section
    109
    
    Patriot IC (U800)
    109
    
    Flash Memory (U803)
    112
    
    Sram (U804)
    112
    
    Figure 4.3-1. Controller Memory Interface
    113
    
    Audio and Power Section
    114
    
    Mako IC (U701)
    114
    
    Audio Power Amplifier
    115
    
    Audio Pre-Amplifier
    115
    
    Regulator
    115
    
    Interface Support Section
    116
    
    Mako IC U701
    116
    
    ESD Protection Circuitry
    117
    
    Universal Connector (Side Connector) Interface Circuitry
    117
    
    Figure 4.3-2. Universal (Side) Connector
    118
    
    Figure 4.3-3. VOCON Connector J650
    118
    
    Table 4.3-1. Option Select Functions
    118
    
    The Option Board
    119
    
    Encryption Module
    120
    
    Table 4.3-2. Encryption Module Software Kits and Algorithms
    120
    
    Figure 4.3-4. VOCON Transmit Audio Path
    121
    
    System Clocks
    121
    
    Transmit Audio Path
    121
    
    Figure 4.3-5. VOCON Receive Audio Path
    122
    
    Receive Audio Path
    122
- Chapter 4.4 700/800 Mhz Detailed Theories of Operation
  123
  - Introduction
    123
  - Frequency Synthesis
    123
  - Antenna Switch
    124
  - Receiver
    125
    
    Front End
    125
    
    Back End
    126
  - Transmitter
    126
  - VOCON Functional Blocks
    127
    
    Controller and Memory Section
    127
    
    Patriot IC (U800)
    127
    
    Flash Memory (U803)
    130
    
    Sram (U804)
    130
    
    Figure 4.4-1. Controller Memory Interface
    131
    
    Audio and Power Section
    132
    
    Mako IC (U701)
    132
    
    Audio Power Amplifier
    133
    
    Audio Pre-Amplifier
    133
    
    Regulator
    133
    
    Interface Support Section
    134
    
    Mako IC U701
    134
    
    ESD Protection Circuitry
    135
    
    Universal Connector (Side Connector) Interface Circuitry
    135
    
    Figure 4.4-2. Universal (Side) Connector
    136
    
    Figure 4.4-3. VOCON Connector J650
    136
    
    Table 4.4-1. Option Select Functions
    136
    
    The Option Board
    137
    
    Encryption Module
    138
    
    Table 4.4-2. Encryption Module Software Kits and Algorithms
    138
    
    System Clocks
    139
    
    Transmit Audio Path
    139
    
    Figure 4.4-4. VOCON Transmit Audio Path
    140
    
    Receive Audio Path
    140
    
    Figure 4.4-5. VOCON Receive Audio Path
    141
- Chapter 4.5 900 Mhz Detailed Theories of Operation
  143
  - Introduction
    143
  - Frequency Synthesis
    143
  - Antenna Switch
    144
  - Receiver
    145
    
    Front End
    145
    
    Back End
    146
  - Transmitter
    146
  - VOCON Functional Blocks
    147
    
    Controller and Memory Section
    147
    
    Patriot IC (U800)
    147
    
    Flash Memory (U803)
    150
    
    Sram (U804)
    150
    
    Figure 4.5-1. Controller Memory Interface
    151
    
    Audio and Power Section
    152
    
    Mako IC (U701)
    152
    
    Audio Power Amplifier
    153
    
    Audio Pre-Amplifier
    153
    
    Interface Support Section
    153
    
    Regulator
    153
    
    Mako IC U701
    154
    
    ESD Protection Circuitry
    155
    
    Universal Connector (Side Connector) Interface Circuitry
    155
    
    Figure 4.5-2. Universal (Side) Connector
    156
    
    Figure 4.5-3. VOCON Connector J650
    156
    
    Table 4.5-1. Option Select Functions
    156
    
    The Option Board
    156
    
    Encryption Module
    158
    
    Table 4.5-2. Encryption Module Software Kits and Algorithms
    158
    
    Figure 4.5-4. VOCON Transmit Audio Path
    159
    
    System Clocks
    159
    
    Transmit Audio Path
    159
    
    Figure 4.5-5. VOCON Receive Audio Path
    160
    
    Receive Audio Path
    160
Chapter 5 Troubleshooting Procedures

161
Chapter 6.1 VHF Troubleshooting Charts

167
Chapter 7.1 VHF Troubleshooting Waveforms

287
- Introduction
  287
- List of Waveforms
  287
- Table 7.1-1. List of Waveforms
  287
- RF Test Points
  288
- Figure 7.1-1. RF Block Diagram Test Points
  288
- Table 7.1-2. RF Block Diagram Probe/Test Points
  289
- Main Circuit Board RF Shield Locations
  290
- Table 7.1-3. Main Circuit Board Side 1 RF Shields
  290
- Table 7.1-4. Main Circuit Board Side 2 RF Shields
  291
- PP1 Antenna Input
  292
- PP2 TX Signal at Harmonic Filter Input
  293
- PP3 Coupler RF out
  294
- PP4 TX Signal at PA
  295
- TP5 Coupler RF Feedback to PCIC
  296
- TP6 PCIC Control Voltage
  297
- Pp7 Tx lo
  298
- PP8 Higher Level Voltage Multiplier
  299
- PP9 Superfilter Output
  300
- PP11 Prescalar Input to Fracn Synthesizer
  301
- PP12 Reference Crystal Output
  302
- TP13 Mod in
  303
- TP14 1St lo Control Voltage
  304
- PP15 VCO Output
  305
- PP17 Frequency out (16.8 Mhz)
  306
- PP18 RX RF Input at Antenna Switch
  307
- PP19 Antenna Switch Bias
  308
- PP20 Preselector Tuning Voltage
  309
- PP22 Analog 5V
  310
- PP23 Preselector 1 Output
  311
- PP24 Low-Noise Amplifier Output
  312
- PP25 Preselector 2 Output
  313
- PP26 Mixer out (IF)
  314
- PP27 Crystal Filter out
  315
- PP28 Abacus Analog 3V
  316
- PP29 2Nd lo Control Voltage
  317
- PP30 2Nd lo VCO Buffer Output
  318
- PP31 Analog 5V DC
  319
- PP32 Abacus Digital 3V
  320
- TX Audio 1 Khz Tone
  333
- Mhz Buffer Input and Output
  333
- Khz Clock Outputs
  333
- SPI B Data
  333
- RX Serial Audio Port (SAP)
  333
- List of Waveforms
  333
- Table 7.2-1. List of Waveforms
  333
- RF Test Points
  334
- Figure 7.2-1. RF Block Diagram Test Points
  334
- Table 7.2-2. RF Block Diagram Probe/Test Points
  335
- Main Circuit Board RF Shield Locations
  336
- Table 7.2-3. Main Circuit Board Side 1 RF Shields
  336
- Table 7.2-4. Main Circuit Board Side 2 RF Shields
  337
- PP1 Antenna Input
  338
- PP2 TX Signal at Harmonic Filter Input
  339
- PP3 Coupler RF out
  340
- PP4 TX Signal at PA
  341
- TP5 Coupler RF Feedback to PCIC
  342
- TP6 PCIC Control Voltage
  343
- Pp7 Tx lo
  344
- TP14 1St lo Control Voltage
  350
- PP15 VCO Output
  351
- PP17 Frequency out (19.2 Mhz)
  353
- PP26 Mixer out (IF)
  361
- PP31 Analog 5V DC
  366
- PP32 Abacus Digital 3V
  367
- TX Audio 1 Khz Tone
  381
- Mhz Buffer Input and Output
  381
- Khz Clock Outputs
  381
- SPI B Data
  381
- RX Serial Audio Port (SAP)
  381
- Introduction
  381
- List of Waveforms
  381
- Table 7.3-1. List of Waveforms
  381
- RF Test Points
  382
- Figure 7.3-1. RF Block Diagram Test Points
  382
- Table 7.3-2. RF Block Diagram Probe/Test Points
  383
- Main Circuit Board RF Shield Locations
  384
- Table 7.3-3. Main Circuit Board Side 1 RF Shields
  384
- Table 7.3-4. Main Circuit Board Side 2 RF Shields
  385
- PP1 Antenna Input
  386
- PP2 TX Signal at Harmonic Filter Input
  387
- PP3 Coupler RF out
  388
- PP4 TX Signal at PA
  389
- TP5 Coupler RF Feedback to PCIC
  390
- Pp7 Tx lo
  392
- PP32 Abacus Digital 3V
  414
- TX Audio 1 Khz Tone
  427
- Mhz Buffer Input and Output
  427
- Khz Clock Outputs
  427
- SPI B Data
  427
- RX Serial Audio Port (SAP)
  427
- List of Waveforms
  427
- Table 7.4-1. List of Waveforms
  427
- RF Test Points
  428
- Figure 7.4-1. RF Block Diagram Test Points
  428
- Table 7.4-2. RF Block Diagram Probe/Test Points
  429
- Main Circuit Board RF Shield Locations
  430
- Table 7.4-3. Main Circuit Board Side 1 RF Shields
  430
- Table 7.4-4. Main Circuit Board Side 2 RF Shields
  431
- PP1 Antenna Input
  432
- PP2 TX Signal at Harmonic Filter Input
  433
- PP3 Coupler RF out
  434
- PP4 TX Signal at PA
  435
- TP5 Coupler RF Feedback to PCIC
  436
- Pp7 Tx lo
  438
- Tp10 Trb
  441
- PP32 Abacus Digital 3V
  463
- TX Audio 1 Khz Tone
  477
- Mhz Buffer Input and Output
  477
- Khz Clock Outputs
  477
- SPI B Data
  477
- RX Serial Audio Port (SAP)
  477
- Introduction
  477
- List of Waveforms
  477
- Table 7.5-1. List of Waveforms
  477
- RF Test Points
  478
- Figure 7.5-1. RF Block Diagram Test Points
  478
- Table 7.5-2. RF Block Diagram Probe/Test Points
  479
- Main Circuit Board RF Shield Locations
  480
- Table 7.5-3. Main Circuit Board Side 1 RF Shields
  480
- Table 7.5-4. Main Circuit Board Side 2 RF Shields
  481
- PP1 Antenna Input
  482
- PP2 TX Signal at Harmonic Filter Input
  483
- PP3 Coupler RF out
  484
- PP4 TX Signal at PA
  485
- TP5 Coupler RF Feedback to PCIC
  486
- Pp7 Tx lo
  488
- Tp10 Trb
  491
  - SPI B Data
    517
  - PP33 SPI Data
    519
  - PP35 Universal Chip Select
    521
  - TP37 RX SSI Data
    523
  - TP39 RX SSI Frame Sync
    525
Chapter 8.1 VHF Troubleshooting Tables

527
Chapter 9.1 VHF Schematics, Board Overlays, and Parts Lists

637

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