Motorola Pr400 Basic 6881096c24 A Manual

6881096C24-AJuly, 2004
Warranty, Service Support, and Replacement Parts: Technical Support B-3
B.3.7 Product Customer Service
Customer Response Center
(Non-technical Issues)
1-800-247-2346
FAX: 1-800-247-2347
B.4 Technical Support
Technical support is available to assist the dealer/distributor in resolving any malfunction which may 
be encountered. Initial contact should be by telephone wherever possible. When contacting Motorola 
Technical Support (Customer Resources), be prepared to provide the product...

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B-4Warranty, Service Support, and Replacement Parts: Technical Support 

Glossary of Terms
Term Definition
ALCAutomatic Level Control: a circuit in the transmit RF path that controls RF power 
amplifier output, provides leveling over frequency and voltage, and protects 
against high VSWR (voltage standing wave ratio).
ASFIC Audio Signalling Filter Integrated Circuit
BKCBad Key Chirp
CD Compact Disk
CMPCompression
CPS Customer Programming Software
CSQCarrier Squelch
DTMF Dual-Tone Multifrequency
DPLDigital Private-Line™
EEPROM Electronically Erasable/Programmable Read-Only...

July, 20046881096C24-A
G-2 
PLLPhase-Locked Loop: a circuit in which an oscillator is kept in phase with a refer-
ence, usually after passing through a frequency divider.
PTT Push-To-Talk: the switch located on the left side of the radio; when pressed, 
causes the radio to transmit.
RAMRandom Access Memory: the radio’s RAM is loaded with a copy of the 
EEPROM data.
Registers Short-term data-storage circuits within the microcontroller.
RESETReset line: an input to the microcontroller that restarts...

Index-1
Index
A
After Warranty Period ............................................ 1-1
Appendix A Accessories ........................................A-I
Appendix B Warranty, Service Support, and 
Replacement Parts ................................................B-I
Replacement Parts Ordering ............................ 1-1
Basic Ordering Information........................... 1-1
Fax Orders.................................................... 1-2
Mail Orders...

Index-2
July, 2004 6881096C24-A
Front Cover from Chassis Disassembly, 
Limited Keypad Model ........................................... 7-3
Front Cover From Chassis Disassembly, 
Non-Keypad .......................................................... 8-3
Full Keypad Model Disassembly and 
Re-assembly ......................................................... 6-1
Introduction ....................................................... 6-1
Preventive Maintenance.................................... 6-1
Inspection...

Index-3
6881096C24-A July, 2004
Keyboard Retainer Re-assembly ........... 7-12
Chassis Assembly/Re-assembly ............ 7-12
Chassis and Front Cover Re-assembly.. 7-13
PTT Re-assembly .................................. 7-15
Mechanical View and Parts List ...................... 7-16 Limited-Keypad Exploded View 
and Parts List ............................................. 7-16
List of Figures ......................................................... vii
List of Tables...

Index-4
July, 2004 6881096C24-A
PTT Re-assembly, PR400 Non-Keypad .............. 8-11
Power-Up Error Codes .......................................... 9-1
Power-Up Self Test, Performance Checks ............ 4-1
PR400 Full-Keypad Exploded View and 
Parts List ............................................................. 6-16
PR400 Limited-Keypad Exploded View and 
Parts List ............................................................. 7-16
PR400 Non-Keypad Exploded View and 
Parts List...

Index-5
6881096C24-A July, 2004
T
Technical Support ................................................. 1-3
Telephone Orders ................................................. 1-2
Temp Comp Data Read, Utilities ........................ 5-14
Temp Comp Data Write, Utilities  ........................ 5-14
Test Equipment, Service Aids, and 
Service Tools......................................................... 3-1 Service Aids...................................................... 3-2
Test Equipment...

July, 2004 6881096C24-A
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Index-6