Motorola Gm Series Detailed 6864115b62 A Manual

vii
OPERATIONAL WARNINGS
For Vehicles With An Air Bag 
Potentially Explosive Atmospheres
 Blasting Caps And Areas
OPERATIONAL CAUTIONS
Antennas
Do not use any portable radio that has a damaged antenna. If a damaged antenna comes into contact with your 
skin, a minor burn can result.
Batteries
All batteries can cause property damage and/or bodily injury such as burns if a conductive material such as 
jewellery, keys, or beaded chains touch exposed terminals. The conductive material may complete an...

viii
ANTENNA INSTALLATION
Mobile Antennas
Recommended mobile antenna installations are limited to metal body vehicles at the centre of the roof and centre 
of the trunk deck locations.
The antenna installation must additionally be in accordance with: 
 a) The requirements of the antenna manufacturer/supplier
 b) Instructions in the Radio Installation Manual
Fixed Site Antennas 
Mobile radio equipment is sometimes installed at a fixed location and  operated as a control station or as a fixed 
unit.   In...

Chapter 1
INTRODUCTION
1.0 Scope of Manual
This manual is intended for use by service technicians familiar with similar types of equipment. It 
contains service information required for the equipment described and is current as of the printing 
date. Changes which occur after the printing date may be incorporated by a complete Manual 
revision or alternatively as additions.
2.0 Warranty and Service Support
Motorola offers long term support for its products. This support includes full exchange and/or...

1-2INTRODUCTION
2.3 European Radio Support Centre (ERSC)
The ERSC Customer Information Desk is available through the following service numbers:
Austria: 06 60 75 41 Italy:  16 78 77 387
Belgium:  08 00 72 471 Luxemburg:  08 00 23 27
Denmark:  80 01 55 72  Netherlands: 60 22 45 13
Finland: 08 00 11 49 10 Norway:  80 01 11 15
France: 05 90 30 90 Portugal:  05 05 49 35 70
Germa ny:   0800  1875240    Spain:   90 09 84 902
Greece: 00 80 04 91 29 020 Sweden:  02 07 94 307
UK: 08 00 96 90 95 Switzerland: 1 55...

Warranty and Service Support1-3
2.5 Technical Support
Motorola Product Services is available to assist the dealer/distributors in resolving any malfunctions 
which may be encountered.
2.6 Related Documents
The following documents are directly related to the use and maintainability of th\
is product.UK/Ireland
 - Richard Russell
Telephone:  +44 (0) 1256 488 082
Fax:  +44 01256 488 080
Email:  [email protected] France -
 Armand Roy
Telephone:  +33 1 6929 5715
Fax:  +33 1 6929 5904
Email:...

1-4INTRODUCTION
3.0 Radio Model Information
The model number and serial number are located on a label attached to the back of your radio. You 
can determine the RF output power, frequency band, protocols, and physical packages. The 
example below shows one mobile radio model number and its specific characteristics.
Table 1-1   Radio Model Number (Example: MDM25KHC9AN1AE)
Type of 
UnitModel 
SeriesFreq. 
BandPower 
LevelPhysical 
PackagesChannel 
SpacingProtocolFeature 
LevelModel
RevisionModel 
Package
MD...

Chapter 2
Internal sur faces should be cleaned only when the radio is disassem bled  for se rvicing or
C AUTION : The effects of ce rtain chemicals and their  vapo rs can h ave harmful results on 
! 

2-2  MAINTENANCE
3.0  Safe Handling of CMOS and LDMOS
Always use a fresh supply of alcohol and a clean container to pr event contamination  by 

General Repair Procedures and Techniques2-3
Chip Components
Use either the RLN4062 Hot-Air Repair Station or the Motorola 0180381B45 Repair Station for 
chip component replacement. When using the 0180381B45 Repair Station, select the TJ-65 mini-
thermojet hand piece. On either unit, adjust the temperature control to 370 °C (700 °F), and 
adjust the airflow to a minimum setting. Airflow can vary due to component density.
n nTo remove a chip component: 
1.Use a hot-air hand piece and position the nozzle of...

2-4MAINTENANCE
Shields
Removing and replacing shields will be done with the R1070 station with the temperature control 
set to approximately 215°C (415°F) [230°C (445°F) maximum].
n nTo remove the shield: 
1.Place the circuit board in the R1070 circuit board holder. 
2.Select the proper heat focus head and attach it to the heater chimney. 
3.Add solder paste flux around the base of the shield. 
4.Position the shield under the heat-focus head. 
5.Lower the vacuum tip and attach it to the shield by turning...