Motorola Two Way Portable Radio Ht750 Ht1250 Mtx850 Mtx1250 Mtx8250 Mtx9250 Basic 68p80906z54 D Manual

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
Fort Lauderdale, Florida 33322
68P80906Z54-D 

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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
ATTENTION!
This radio is restricted to occupational use only to satisfy FCC RF energy exposure requirements. 
Before using this product, read the RF energy awareness information and operating instructions in 
the Product Safety and RF Exposure booklet (Motorola Publication part number...

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Table of Contents
Foreword .........................................................................................................ii
Product Safety and RF Exposure Compliance ............................................................... ii
Computer Software Copyrights....................................................................................... ii
Document Copyrights ..................................................................................................... ii
Disclaimer...

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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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...

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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 ............................. 7-1...

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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•LS
+...

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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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Notes