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Motorola Xts1500 Xts2500 Basic 6881094c09 B Manual

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XTS™2500
XTS™1500
MT 1500
     700 - 800 MHz
Digital Portable Radios
Basic Service Manual 

Page 2

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 

Page 7

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 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ....

Page 9

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  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ....

Page 10

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. . . . . . . . . . . . . . . . ....
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