Main
Foreword
Product Safety and RF Exposure Compliance
Computer Software Copyrights
Document Copyrights
Disclaimer
Table of Contents
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LIST OF FIGURES
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LIST OF TABLES
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Chapter 1 Introduction
1.1 Scope of Manual
1.2 Warranty and Service Support
1.2.1 Warranty Period and Return Instructions
1.2.2 After Warranty Period
1.2.3 Piece Parts Availability
1.2.4 Technical Support
1-4 Introduction
1.3 Radio Model Information
A or LA = Motorola Internal Use
Revision Model
H = Portable
Level Model
Chapter 2 Intrinsically Safe Radio Information
2.1 FMRC Approved Equipment
FM
2.2 Repair of FMRC Approved Products
2.2.1 Repair
2.2.2 Relabeling
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Chapter 3 Maintenance
3.1 Introduction
3.2 Preventive Maintenance
3.2.1 Inspection
!
3.3 Safe Handling of CMOS and LDMOS Devices
3.4 Repair Procedures and Techniques General
3.5 Disassembling and Reassembling the Radio General
3.6 Detailed Radio Disassembly
3.6.1 Front Cover from Chassis Disassembly
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3.6.2 Chassis Assembly/Disassembly
3.6.3 Keypad, Display, and Keypad/PassPort/Option Board Disassembly
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3.6.4 Speaker, Microphone, and Universal Connector Flex Disassembly
3.6.5 PTT Disassembly
3.6.6 Control Top Disassembly
3.7 Detailed Radio Reassembly
3.7.1 Control Top Reassembly
3.7.2 PTT Reassembly
3.7.3 Speaker, Microphone, and Universal Connector Flex Reassembly
3.7.4 Keypad, Display, and Keypad/PassPort/Option Board Reassembly
3.7.5 Chassis Assembly Reassembly
3.7.6 Chassis and Front Cover Reassembly
3.7.7 DTMF Retrofit Kit Procedure (Optional Upgrade Procedure)
3.7.8 Option Board Installation
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3.8.15 HT1550XLS Exploded View
3.8.16 HT1550XLS Exploded View Parts List
Table 3-8. HT1550XLS Parts List Item Motorola Part Number Description
Table 3-8. HT1550XLS Parts List (Continued) Item Motorola Part Number Description
3.9 Service Aids
Motorola Part No. Description Application
3.10 Test Equipment
Motorola Part No. Description Characteristics Application
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3-38 Configuring and Wiring the Programming/Test Cable
Figure 3-24: Programming/Test Cable Schematic
P2 TO RADIO TEST SET RLN4460
P1 TO RADIO UNIVERSAL CONNECTOR
J1 TO RIB RLN4008
Chapter 4 Transceiver Performance Testing
4.1 General
4.2 RF Test Mode
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Number of Side Button 1 Presses
No. of Beeps Display
Shows Description Function
Item No. No. of
Beeps Description Function
Number of Low Tones Channel Spacing
4.3 Test Frequencies for Display and Non-Display Radios
Channel Selector Switch Position
Test Channel Low 1 Low 2 VHF UHF 1 UHF 2 800
4.4 Receiver Performance Tests
Test Name Service Monitor Radio Test Set Comments
Test Name Service Monitor Radio Test Set Comments
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5.2 Global Radio Tuning Setup
5.2.1 Initial Test Equipment Setup
Service Monitor Test Set Power Supply
5.3 CPS Programming Setup
5.4 Cloning (Conventional and LTR)
5.4.1 Error Codes (Display Radios Only)
5.5 Cloning (Privacy Plus)
5.6 Cloning (PassPort)
5.7 Lowband Molded Antenna Cut Chart
Frequency Verification Chart
5.8 HT1250LS+ PassPort Tone Options
5.9 HT1250LS+ Special Diagnostic Functions
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Chapter 6 Power Up Self-Test
6.1 Error Codes - Conventional and LTR Radios
If the error code displayed is... then, there is
a... To correct the problem...
6.2 Error Codes - Privacy Plus
6.3 Error Codes - PassPort
6.4 Operation Display Codes
If the error code displayed is... then, there is
a... To correct the problem...
Failure Code Description Possible Source
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Chapter 7 Accessories
7.1.1 Antennas
7.1.2 Carrying Accessories
7.1.3 Carry Cases
7.1.4 Chargers
7.1.5 Vehicular Accessories
7.1.6 Batteries
7.1.7 Adapters 7.1.8 Miscellaneous
7.1.9 Service Aids
7.1.10 Audio Accessories
7.1.11 Option Boards* (All option boards below are not compatible with HT1550XLS)
*
7.1.14 Retrofit Front Cover Kits
7.1.12 Remote Speaker Microphones
7.1.13 Manuals
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Chapter 8 Model Chart and Test Specifications
8.1 UHF 403470 MHz (Conventional)
Note: Models ending in FD are Federal Government Radios Only.
HT Series, UHF, 403470 MHz
8.2 UHF 450512 MHz (Conventional)
HT Series, UHF, 450512 MHz
8.3 UHF 403470 MHz (LTR and PassPort)
HT Series, UHF, 403470 MHz (LTR & PassPort)
8.4 UHF 450512 MHz (LTR and PassPort)
HT Series, UHF, 450512 MHz (LTR & PassPort)
8.5 UHF 403470 MHz (Conventional/LTR)
HT Series, UHF, 403470 MHz (Conventional/LTR)
8.6 UHF 450512 MHz (Conventional/LTR)
HT Series, UHF, 450512 MHz (Conventional/LTR)
8.7 VHF 136174 MHz
Note: Models ending in FD are Federal Government Radios Only
HT Series, VHF, 136174 MHz
8.8 VHF 136174 MHz (Conventional/LTR)
HT Series, VHF, 136174 MHz (Conventional/LTR)
8.9 VHF, 136174 MHz (LTR & PassPort)
HT Series, VHF, 136174 MHz (LTR & PassPort)
8.10 LowBand 29.742/3550 MHz
Note: Models ending in FD are Federal Government Radios Only
HT Series, Lowband, 29.742/3550 MHz
8.11 800 MHz (LTR)
8.12 800 MHz (Privacy Plus)
MTX Series, 806866 MHz (LTR)
MTX Series, 806866 MHz (Privacy Plus)
8.13 900 MHz (Privacy Plus)
MTX Series, 896941 MHz (Privacy Plus)
8.14 Specifications, HT750 Radio
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8.15 Specifications, HT1250 Radio
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8.16 Specifications, HT1250LS+ Radio
Specification UHF VHF
Specification UHF / VHF
Specification UHF/VHF
8.17 Specifications, HT1550XLS Radio
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8.18 Specifications, MTX850/MTX8250 (800 MHz), MTX950/MTX9250 (900 MHz) Radios
General
Transmitter
Receiver
8.19 Specifications, MTX850LS and MTX8250LS (800 MHz) Radios
General
Transmitter
Receiver Specification 800 MHz
Glossary
