Motorola Cdm And Pro Series Detailed 68p81091c63 O Manual

CDM
ª
and PRO SERIES
ª
Mobile Radios
contact
control
Detailed
Service Manual
Professional Radio
CA, Motorola, Professional Radio, CDM Series and CDM
Model numbers, PRO Series and PRO Series Model num-
bers are trademarks of Motorola.
© 1999 Motorola, Inc. All rights reserved. Printed in USA.*6881091C63*68P81091C63-O
contact
CDM
ª
and PRO SERIES
ª
Mobile Radios
control
PRO7100
As Dedicated As You Are 

 
Computer Software Copyrights 
The Motorola products described in this manual may include copyrighted Motorola computer programs stored in 
semiconductor memories or other media. Laws in the United States and other countries preserve for Motorola cer-
tain exclusive rights for copyrighted computer programs, including the exclusive right to copy or reproduce in any 
form, the copyrighted computer program. Accordingly, any copyrighted Motorola computer programs contained in 
the Motorola products...

Safety-1
SAFETY INFORMATION
Important information on safe and efficient operation is included in this manual. Read this information before 
using your radio.
SAFE AND EFFICIENT OPERATION OF MOTOROLA TWO-WAY RADIOS
This document provides information and instructions for the safe and efficient operation of Motorola Portable and 
Mobile Two-Way Radios.
The information provided in this document supercedes the general safety information contained in user guides 
published prior to 1st. January 1998. 
For...

Safety-2
OPERATIONAL WARNINGS   
Vehicles with an air bag
lDo not place a por table radio in the area over an air bag or in the air bag deployment area. Air bags inflate with 
great force. If a portable radio is placed in the air bag deployment area and the air bag inflates, the radio may 
be propelled with great force and cause serious injury to occupants of vehicle.
Potentially explosive atmospheres
lTurn off your Two-Way radio when you are in any area with a potentially explosive atmosphere, unless it...

Safety-3
this FM label can be found on the back of the radio housing or the bottom of the radio housing.Their 
Approval mark is shown below.
Radios must ship from the Motorola manufacturing facility with the hazardous atmosphere capability 
and FM Approval labeling. Radios will not be “upgraded” to this capability and labeled in the field.
A modification changes the unit’s hardware from its original design configuration. Modifications can 
only be done by the original product manufacturer at one of its...

Safety-4
FMRC’s Approval Standard Class Number 3605 is subject to change at any time without notice to 
you, so you may want to obtain a current copy of 3605 from FMRC. Per the December, 1994 
publication of 3605, some key definitions and service requirements are as follows:
Repair
A repair constitutes something done internally to the unit that would bring it back to its original 
condition Approved by FMRC. A repair should be done in an FMRC Approved facility.
Items not considered as repairs are those...

i
TABLE OF CONTENTS
Chapter 1Introduction
1.1 Scope of Manual  ........................................................................................................................... 1-1
1.2 Warranty and Service Support ...................................................................................................... 1-1
1.2.1 Warranty Period  ..................................................................................................................... 1-1
1.2.2 Return Instructions...

ii
2.3.5.7 Option Board Receive Audio  2-15
2.3.6 Receive Signalling Circuits...................................................................................................  2-16
2.3.6.1 Sub-audible Data (PL/DPL) and High Speed Data Decoder  ........................................ 2-16
2.3.6.2 Alert Tone Circuits ......................................................................................................... 2-16
2.3.6.3 Voice Storage (Optional)...

iii
2.11.3 Microprocessor Circuit .........................................................................................................  2-37
2.11.4 SBEP Serial Interface ..........................................................................................................  2-38
2.11.5 Keypad Keys ........................................................................................................................  2-38
2.11.6 Status LED and Back Light Circuit...

iv
4-5  PRO5100/PRO7100/CDM1250/CDM1550 Control Head Top 
Overlay .......................................................................................................................................... 4-9
4-6  PRO5100/PRO7100/CDM1250/CDM1550 Control Head Bottom 
Overlay ........................................................................................................................................ 4-10
4-7  PRO5100/PRO7100/CDM1250/CDM1550 Control Head 
Schematic Diagram...