Foreword
This manual covers all models of the ASTRO
®
 XTS™ 2500 /XTS™ 2500I / XTS™ 2250 / XTS™ 1500 Digital 
Portable Radio and the MT 1500 and PR 1500 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 is: radio specifications for the  VHF frequency band; a general description of XTS 2500 
/XTS 2500I / XTS 2250 / XTS 1500 / MT 1500 / PR 1500 radio models; recommended test equipment, service 
aids, and tools; radio alignment procedures; fundamental disassembly/reassembly procedures; and general 
maintenance recommendations.
For details on the operation of the radio, or board or component-level troubleshooting, refer to the applicable 
manuals, available separately. To help you with your selection, a list is provided under “Related Publications” at 
the front of this manual.