Motorola Cp185 Basic 68007024004 Manual

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							i
COPYRIGHT
Copyrights
© 2008, 2009 by Motorola, Inc. All rights reserved.
No part of this manual may be reproduced, transmitted, stored in a retrieval system, or translated into any 
language or computer language, in any form or by any means, without the prior written permission of Motorola 
Inc.
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 
certain exclusive rights for copyrighted computer programs including, but not limited to, 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 described in this manual may not be copied, reproduced, 
modified, reverse-engineered, or distributed in any manner without the express written permission of Motorola. 
Furthermore, the purchase of Motorola products shall not be deemed to grant either directly or by implication, 
estoppel, or otherwise, any license under the copyrights, patents or patent applications of Motorola, except for 
the normal non-exclusive royalty-free license to use that arises by operation of law in the sale of a product.
Trademarks
MOTOROLA and the Stylized M Logo are registered in the U.S.Patent and Trademark Office. All other product or 
service names are the property of their respective owners. 
						

							ii
SAFETY
Product Safety and RF Exposure Compliance
ATTENTION!
This is restricted to occupational use only to satisfy ICNIRP RF energy exposure 
requirements. Before using this product, read the RF energy awareness information and 
operating instructions in the Quick Reference Card enclosed with your radio (Motorola 
Publication part number 68007024011) to ensure compliance with RF energy exposure limits.
For a list of Motorola-approved antennas, and other accessories, visit the following web site 
which lists approved accessories: http://www.motorola.com/business These servicing instructions are for use by qualified personnel only. To reduce the 
risk of electric shock, do not perform any servicing other than that contained in the 
Operating Instructions unless you are qualified to do so. Refer all servicing to 
qualified service personnel.
Before using this product, read the operating instructions for safe usage contained 
in the Quick Reference Card enclosed with your radio. 
						

							iii
DOCUMENT HISTORY
The following major changes have been implemented in this manual since the previous edition:
EditionDescriptionDate
68007024004-A  Initial edition Oct. 2008
68007024004-BAdded VHF 136 – 174 MHz informationFeb. 2009 
						

							iv
Notes 
						

							Table of Contentsv
Table of Contents
Copyright ........................................................................................................ i
Safety ............................................................................................................. ii
Document History ........................................................................................ iii
Chapter 1 Model Charts and Test Specifications.............................. 1-1
1.1 Radio Model Information................................................................................................................ 1-1
1.2 Model Chart for UHF2, 435–480 MHz ...........................................................................................1-2
1.3 Model Chart for VHF, 136–174 MHz  ............................................................................................1-3
1.4 UHF2 Specifications ...................................................................................................................... 1-4
1.5 VHF Specifications ........................................................................................................................ 1-5
Chapter 2 Theory Of Operation ........................................................... 2-1
2.1 Introduction .................................................................................................................................... 2-1
2.2 Major Assemblies .......................................................................................................................... 2-1
2.2.1 Receiver............................................................................................................................ 2-1
2.2.1.1 RX Front End ..................................................................................................... 2-2
2.2.1.2 RX Back End ..................................................................................................... 2-2
2.2.1.3 RX Squelch ........................................................................................................ 2-3
2.2.2 Transmitter........................................................................................................................ 2-3
2.2.3 Phase Lock Loop Synthesizer .......................................................................................... 2-4
2.2.4 RX Audio Circuit ............................................................................................................... 2-5
2.2.5 TX Audio Circuit ................................................................................................................ 2-6
2.2.6 Microcontroller .................................................................................................................. 2-7
2.2.7 Power Supply.................................................................................................................... 2-7
Chapter 3 Test Equipment, Service Aids, and Service Tools ........... 3-1
3.1 Test Equipment.............................................................................................................................. 3-1
3.2 Service Aids ................................................................................................................................... 3-2
Chapter 4 Performance Checks .......................................................... 4-1
4.1 General .......................................................................................................................................... 4-1
4.2 Power–Up Self Test ....................................................................................................................... 4-1
4.3 LCD/LED/Button/Volume Knob Test Mode.................................................................................... 4-1
Chapter 5 Radio Programming and Tuning ....................................... 5-1
5.1 Introduction .................................................................................................................................... 5-1
5.2 CPS Programming Setup .............................................................................................................. 5-1
5.3 Radio-to-Radio Cloning ................................................................................................................. 5-1
5.4 Radio Tuning Setup ....................................................................................................................... 5-2
5.4.1 Initial Test Equipment Control Settings............................................................................. 5-3 
						

							viTable of Contents
5.5 Transmitter Alignment Options ...................................................................................................... 5-3
5.5.1 Transmit High Power Tuning ............................................................................................ 5-4
5.5.2 Transmit Low Power Tuning ............................................................................................. 5-5
5.5.3 Transmit Modulation Tuning ............................................................................................. 5-6
5.5.3.1 Transmit 12.5 kHz Modulation Tuning............................................................... 5-6
5.5.3.2 Transmit 25 kHz Modulation Tuning .................................................................. 5-7
5.6 Receiver Tuning ............................................................................................................................. 5-8
5.6.1 Receive 12.5 kHz-Band Normal Squelch Tuning.............................................................. 5-8
5.6.2 Receive 12.5 kHz-Band Tight Squelch Tuning ................................................................. 5-9
5.6.3 Receive 25 kHz-Band Normal Squelch Tuning............................................................... 5-10
5.6.4 Receive 25 kHz-Band Tight Squelch Tuning.................................................................. 5-11
5.7 Utilities ......................................................................................................................................... 5-12
5.7.1 Program Serial No. .........................................................................................................5-12
5.8 Front Panel Feature and Button Configuration Mode .................................................................. 5-12
5.8.1 Introduction ..................................................................................................................... 5-12
5.8.2 Entering Programming Mode .......................................................................................... 5-12
5.8.3 Exiting Programming Mode............................................................................................. 5-12
5.8.4 Accessing Front Panel Programming Mode Parameters ................................................ 5-12
5.8.5 Editing Front Panel Programming Mode Parameters ..................................................... 5-13
Chapter 6  Maintenance – CP185 ........................................................ 6-1
6.1 Introduction .................................................................................................................................... 6-1
6.2 Preventive Maintenance ................................................................................................................ 6-1
6.2.1 Inspection.......................................................................................................................... 6-1
6.2.2 Cleaning Procedures ........................................................................................................6-1
6.3 Safe Handling of CMOS and LDMOS Devices .............................................................................. 6-2
6.4 Disassembling and Reassembling the Radio – General................................................................ 6-3
6.4.1 Radio Disassembly – Detailed .......................................................................................... 6-4
6.4.1.1 Front Housing From Chassis Disassembly ........................................................ 6-4
6.4.1.2 Chassis Assembly Disassembly ........................................................................ 6-7
6.4.1.3 Front Circuit Board, Display Module and Keypad Disassembly......................... 6-8
6.4.1.4 Speaker Disassembly ........................................................................................ 6-9
6.4.2 Radio Reassembly – Detailed......................................................................................... 6-11
6.4.2.1 Speaker Reassembly ....................................................................................... 6-11
6.4.2.2 Front Circuit Board, Display Module and Keypad Reassembly ....................... 6-11
6.4.2.3 Chassis Assembly Reassembly ....................................................................... 6-12
6.4.2.4 Chassis and Front Housing Reassembly ......................................................... 6-14
6.5 Torque List ................................................................................................................................... 6-14
6.6 Mechanical View and Parts List ................................................................................................... 6-15
6.6.1 CP185 View and Parts List ............................................................................................. 6-15
Chapter 7 Troubleshooting Tables ..................................................... 7-1
7.1 Error Codes.................................................................................................................................... 7-1
7.2 Troubleshooting Table for Receiver ............................................................................................... 7-2
7.3 Troubleshooting Table for Transmitter ........................................................................................... 7-3