Motorola Gm328 Gm338 Gm398 Detailed 6804112j18 E Manual

 GM328/GM338/GM398
Mobile Radios
Detailed Service Manual
6804112J18-E
December, 2003 

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 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...

 
DOCUMENT HISTORY
The following major changes have been implemented in this manual since the previous edition:
EditionDescriptionDate
6804112J18-O Initial edition
6804112J18-EAdded Document History section.Dec. 2003
Changed to latest Safety Information (Feb. 2002)
Added GM328 model information to VHF, UHF1 
and UHF2 bands. 

 
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December, 2003
GM328/GM338/GM398
Mobile Radios
Detailed Service Manual
Contents
Section 1 Service Maintainability
Section 2 Controlhead Service Information
Section 3 Controller Service Information
Section 4 VHF Service Information
Section 5 UHF Band 1 Service Information
Section 6 UHF Band 2 Service Information
Section 7 Low Band Service Information
Section 8 VHF 45W Bipolar Service Information
Section 9 UHF Band 1 40W Bipolar Service Information
Section 10 UHF Band 2 40W Bipolar Service Information...

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 GM328/GM338/GM398
Mobile Radios
Service Maintainability
Issue: December, 2003 

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 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...

i
SAFETY INFORMATION
Product Safety and RF Exposure for Mobile Two-Way Radios Installed in 
Vehicles or as Fixed Site Control Stations
The information provided in this document supersedes the general safety information contained in 
user guides published prior to February 2002.
RF Energy Exposure Awareness and Control Information, and 
Operational Instructions for FCC Occupational Use Requirements
NOTICE: This radio is intended for use in occupational/controlled conditions, where users 
have full...

ii
Federal Communication Commission (FCC) Regulations
The FCC rules require manufacturers to comply with the FCC RF energy exposure limits for mobile 
2-way radios before they can be marketed in the U.S. When 2-way radios are used as a 
consequence of employment, the FCC requires users to be fully aware of and able to control their 
exposure to meet occupational requirements. Exposure awareness can be facilitated by the use of a 
label directing users to specific user awareness information. Your Motorola...