Motorola Mt1500 Basic 6881094c09 B Manual
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XTS™2500
XTS™1500
MT 1500
700 - 800 MHz
Digital Portable Radios
Basic Service Manual
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Foreword This manual covers all models of the ASTRO™ Digital XTS 2500® Portable Radio, unless otherwise specified. It includes all the information necessary to maintain peak product performance and maximum working time, using the pass/fail service approach. This basic level of service is typical of some local service centers, self-maintained customers, and some distributors. Included in this manual are: radio specifications for the 700/800 MHz frequency bands; a general description of ASTRO Digital...
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i Table of Contents ➠ List of Figures . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . v List of Tables . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . vii Related Manuals . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ....
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Table of Contents iiControl Top and Keypad Test Mode (Display Radio). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14 Non-Display Radio Test Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15 Entering Non-Display Radio Test Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15 RF Test Mode (Non-Display Radio) . . . . . . ....
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Table of Contents iii PTT Reassembly . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 52 Keypad and Keypad Option Board Reassembly . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 53 Display Reassembly . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 53 Speaker, Microphone, and...
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Table of Contents iv
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List of Figures v List of Figures Figure 1. XTS 2500 Overall Block Diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5 Figure 2. Receiver Block Diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6 Figure 3. RF Block Diagram (Power and Control Omitted) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ....
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List of Figures vi Figure 27. Step 2, Attaching the RSM Adapter . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 41 Figure 28. Knob Removal . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 43 Figure 29. Chassis Removal . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ....
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List of Tables vii List of Tables Table 1.ASTRO XTS 2500 Basic Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2 Table 2.Local Oscillator and First IF Frequencies . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7 Table 3.Recommended Test Equipment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ....
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Related Manuals viii Related Manuals ASTRO XTS 2500 Digital Portable Radio Model I User Guide . . . . . . . . . . . . . . . . . . . . . . . . . . . . 68P81094C04 ASTRO XTS 2500 Digital Portable Radio Model II User Guide . . . . . . . . . . . . . . . . . . . . . . . . . . . 68P81094C05 ASTRO XTS 2500 Digital Portable Radio Model III User Guide . . . . . . . . . . . . . . . . . . . . . . . . . . . 68P81094C06 ASTRO XTS 2500 Digital Portable Radio Detailed Service Manual. . . . . . . . . . . . . . . . ....