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HT750 MTX850 MTX8250
HT1250 MTX850•LS MTX8250•LS
HT1250•LS HT1250•LS+ MTX950
HT1550•XLS MTX9250
Portable Radios
Professional Radio
Basic Service Manual
Motorola, Inc.
8000 West Sunrise Boulevard
68P80906Z54-D
Fort Lauderdale, Florida 33322
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ii Foreword This manual provides sufficient information to enable qualified service technicians to troubleshoot and repair CDM Series mobile radios to the component level. Product Safety and RF Exposure Compliance Before using this product, read the operating instructions for safe usage contained in the Product Safety and RF ! C a u t i o n Exposure booklet. ATTENTION! This radio is restricted to occupational use only to satisfy FCC RF energy exposure requirements. Before using this product,
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iii Table of Contents Foreword.........................................................................................................ii Product Safety and RF Exposure Compliance ............................................................... ii Computer Software Copyrights....................................................................................... ii Document Copyrights ..................................................................................................... ii Disclaime
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iv 3.2.2 Cleaning Procedures................................................................................ 3-1 3.3 Safe Handling of CMOS and LDMOS Devices ................................................... 3-2 3.4 Repair Procedures and Techniques — General ................................................. 3-2 3.5 Disassembling and Reassembling the Radio — General ................................... 3-3 3.6 Detailed Radio Disassembly ............................................................
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v 3.8.16 HT1550•XLS Exploded View Parts List ................................................. 3-30 3.8.17 MTX950 Exploded View......................................................................... 3-31 3.8.18 MTX950 Exploded View Parts List......................................................... 3-32 3.8.19 MTX9250 Exploded View....................................................................... 3-33 3.8.20 MTX9250 Exploded View Parts List.................................................
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vi 6.3 Error Codes - PassPort ....................................................................................... 6-3 6.4 Operation Display Codes .................................................................................... 6-3 Chapter 7 Accessories ................................................................................................ 7-1 7.1 HT750/HT1250/HT1250•LS/HT1250•LS+/HT1550•XLS/MTX850/MTX950/ MTX850•LS/MTX8250/MTX9250/MTX8250•LS Accessories .........................
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vii 8.12 800 MHz (Privacy Plus) .................................................................................... 8-11 8.13 900 MHz (Privacy Plus) .................................................................................... 8-12 8.14 Specifications, HT750 Radio ............................................................................ 8-13 8.15 Specifications, HT1250 Radio .......................................................................... 8-15 + 8.16 Specifications, HT1250•L
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viii
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ix LIST OF FIGURES Figure 3-1: Battery Removal..................................................................................... 3-4 Figure 3-2: Knob Removal........................................................................................ 3-4 Figure 3-3: Chassis Removal ................................................................................... 3-5 Figure 3-4: Unlatch Flex Connectors ........................................................................ 3-5 Figure 3-5: Remove
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x Notes
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xi LIST OF TABLES Table 1-1: Radio Model Number (Example: AAH25KDC9AA3AN)........................... 1-4 Table 3-11: Service Aids........................................................................................... 3-35 Table 3-12: Recommended Test Equipment ............................................................ 3-36 Table 4-1: Test Environments (Side Button 1).......................................................... 4-4 Table 4-2: Test Environments (Models with “G” in location 10 o
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xii Notes
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1-1 Chapter 1 Introduction 1.1 Scope of Manual This manual is intended for use by service technicians familiar with similar types of equipment. It contains service information required for the equipment described and is current as of the printing date. Changes which occur after the printing date may be incorporated by a complete Manual revision or alternatively as additions. 1.2 Warranty and Service Support Motorola offers support which includes: full exchange and/or repair of the product dur
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1-2 Introduction 1.2.3 Piece Parts Availability Some replacement parts, spare parts, and/or product information can be ordered directly. If... It Means That... A complete Motorola part number is The part is available from the Customer Care assigned to the part, and it is not identified and Services Division (CCSD).* as Depot ONLY No part number is assigned The part is not normally available from Motorola. The part number is appended with an The part is serviceable by a Motorola Depot asterisk
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Introduction 1-3 Fax Orders Customer Care and Services Division* 1-800-622-6210 847-576-3023 (International) USFGMD (Federal Government Orders) 1-800-526-8641 (For Parts and Equipment Purchase Orders) Parts Identification Customer Care and Services Division* (United States and Canada) 1-800-422-4210, menu 3 Product Customer Service Customer Response Center (Non-technical Issues) 1-800-247-2346 FAX:1-800-247-2347 *The Customer Care and Services Division (CCSD) was formerly known as the Accessorie
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1-4 Introduction 1.3 Radio Model Information The model number and serial number are located on a label attached to the back of your radio. You can determine the RF output power, frequency band, protocols, and physical packages. The example below shows one portable radio model number and its specific characteristics. Table 1-1:Radio Model Number (Example: AAH25KDC9AA3AN) Type of Model Freq. Power Physical Channel Feature Model Model Protocol Unit Series Band Level Packages Spacing Level Revisi
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2-1 Chapter 2 Intrinsically Safe Radio Information 2.1 FMRC Approved Equipment Anyone intending to use a radio in a location where hazardous concentrations of flammable materials exist (hazardous atmosphere) is advised to become familiar with the subject of intrinsic safety and with the National Electric Code NFPA 70 (National Fire Protection Association) Article 500 (hazardous [classified] locations). An Approval Guide, issued by Factory Mutual Research Corporation (FMRC), lists manufacturer
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2-2 Intrinsically Safe Radio Information Modifications can only be made by the original product manufacturer (Motorola) at one of its FM audited manufacturing facilities. • Failure to use an FMRC Approved portable radio unit with an FMRC Approved battery or FMRC Approved accessories !! specifically Agency approved for that product may result in the W A R N I N G dangerously unsafe condition of an unapproved radio combination being used in a hazardous location. • Unauthorized or incorrect mo
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Intrinsically Safe Radio Information 2-3 2.2.3 Do Not Substitute Options or Accessories The Motorola communications equipment certified by Factory Mutual is tested as a system and consists of the FM Approved portable, FM Approved battery, and FM Approved accessories or options, or both. This FM Approved portable and battery combination must be strictly observed. There must be no substitution of items, even if the substitute has been previously Approved with a different Motorola communication
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2-4 Intrinsically Safe Radio Information Notes
