Motorola MTM700

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TROUBLESHOOTING CHARTS (400MHz) MTM700 Mobile Radio / Detailed Service Manual 9.1 - 1

TROUBLESHOOTING CHARTS (400MHz)

Main Page

Computer Software Copyrights2
- Trademarks2
Document History3
- Compliance with RF Energy Exposure Standards5
- Operational Warnings8
- Additional Important Information9
- For Servicing and Installing the Radio9
- Table of Contents11
Chapter 1 Scope & Warranty Information21
- Scope of this Manual21
  - Manuals & User Guides22
- Warranty and Service Support23
  - After Warranty Period23
Chapter 2 Model Information & Accessories25
- MTM700 Mobile Radio Model Information25
- Sales Model Nomenclature25
Chapter 3 Overview31
Chapter 4 Theory of Operation33
- Block Diagram and Overview35
Theory of Operation (400 Mhz)35
- Block Diagrams Descriptions39
- Detailed Circuit Description44
- Diagram and Overview57
Theory of Operation (800 Mhz)57
- Block Diagrams Descriptions61
- Detailed Circuit Description66
- Standard Control Head79
Theory of Operation (Control Heads)79
- Expansion Head84
- Remote Mount Head85
  - General85
  - Description85
- Motorcycle Control Head86
Chapter 5 Programming the Radio89
- Codeplug Programming91
- Codeplug Reading91
- Frequency Programming92
- Application Programming93
Chapter 6 Test Setup & Testing95
- Typical Test Setup95
  - Before Testing95
- Test Equipment96
- Test Check List97
- Configuration of the IFR 2968 System Setup99
  - Configuration of the IFR 2968 Manual Test Screen102
- RF Tests103
- Service Flow Chart (Board Level)107
- Self Check (Error & Fail Codes)108
- Fuses on the Mainboard110
- General31
  - Digital Modulation Technique31
    - Voice Compression Technology31
- Section Introduction33
- Programming of Software Features and Flashing of Radio Firmware89
Chapter 7 Maintenance111
- Introduction111
- Preventive Maintenance111
- Safe Handling of CMOS and LDMOS Devices113
- Repair Procedures and Techniques - General114
  - Parts Replacement and Substitution114
- Disassembling and Reassembling the Radio - General114
  - Radio Disassembly and Reassembly - Detailed115
  - Motorcycle Control Head - Reassembly126
- Service Aids126
- Exploded Views & Parts Lists127
Chapter 8 Schematics, Pcbs and Parts Lists133
- Section Introduction133
Transceiver 400Mhz (PCB No. 8466519A01_O)135
- SCHEMATICS and PCBS135
- Parts Lists155
  - Controller Parts159
  - HDI Controller Board161
- Transceiver 400Mhz (PCB No. 8466519A02_A)163
- SCHEMATICS and PCBS163
- Parts Lists183
  - Controller Parts187
  - HDI Controller Board190
- Transceiver 800Mhz (PCB No. 8486079Z01_O)191
- SCHEMATICS and PCBS191
- Parts Lists211
  - HDI Controller Board220
- Transceiver 800Mhz (PCB No. 8486079Z02_A)221
- SCHEMATICS and PCBS221
Control Heads249
- Expansion Head249
- Remote Mount Head249
- Motorcycle Control Head249
Chapter 9 Troubleshooting269
- Section Introduction269
- General269
Troubleshooting Charts 400Mhz273
- Main Function Test Chart (Sheet 1) >> Startup Procedure274
- Main Function Test Chart (Sheet 2)275
- Controller (Sheet 1)276
- Controller (Sheet 2)277
- DC Supply278
- Warping Failure282
- RF Power Amplifier283
- Lnodct285
- Receiver (Sheet 1)287
- Front-End Tuning288
- Main Synthesizer291
Troubleshooting Charts 800Mhz293
- Main Function Test Chart (Sheet 1) >> Startup Procedure294
- Controller (Sheet 1)296
- Warping Failure302
- PA Bias Failure304
- Lnodct305
- Receiver306
- Tx Frequency Generation308
- Synthesizer & VCO309
Appendix A Connector Pin Functions311
- Transceiver Rear - Pin Function311
- Transceiver Front - Pin Function313
- Standard Control Head - Pin Function315
- Remote Mount Head - Pin Function317
- Expansion Head - Pin Function318
- Motorcycle Control Head - Pin Function320
Connector Pin Functions311
Appendix B Replacement Parts & Kits323
- Servicing MTM700 Mobile Units323
  - Level 1 and Level 2 Maintenance323
  - Level 3 Maintenance323
- Replacement Parts323
- Support Centers324
- Service Kits326
Replacement Parts & Kits323
Appendix C Product Specific Information327
- Equipment Electrical Ratings327
- Normal Load Conditions327
- Fuse Identification327
Product Specific Information for Digital Radios Type Mt912 and Mt712327
Appendix C Spezielle Produkt Information328
- Nennwerte für das Funkgerät328
- Betriebsbedingungen328
- Sicherungen328
Spezielle Produkt Information für Funkgeräte des Typs Mt912 und Mt712328

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