82 General Information TM8100 Mobile Radio Service Manual
May 2004 © Tait Electronics Limited
Skills and Resources
for Level-1 Repairs
For level-1 repairs basic electronic repair skills are sufficient. Apart from
the standard tools and equipment of any service centre, certain torque
drivers are required as well as a service kit and, for diagnostic purposes,
a spare control head. Replacement control-head boards and main-board
assemblies are supplied by TEL in separate spares kits. The other
replacement parts are supplied in four spares kits: parts for the one-digit-
display control head, parts for the two-digit-display control head, parts
for the radio body, and spare control-head seals. Further details are given
in Subsection 4.2 (on page 84).
Skills and Resources
for Level-2 Repairs
For level-2 repairs expertise is required in SMT repairs of circuit boards
with a very high complexity and extreme component density. Apart
from the tools and equipment needed for level-1 repairs, the standard
SMT repair tools are required. A can-removal tool is strongly
recommended but not mandatory. Replacement SMT components are
supplied by TEL in two separate spares kits, one for the control-head
boards and one for the main board. Spare special items are not supplied.
Further details are given in Subsection 4.2.
Website Access To carry out level-1 and level-2 repairs, service centres need access to the
secured portion of the Technical Support website. There are different
access levels; those required for level-1 and level-2 repairs are:
■ level-1 repairs: associate access
■ level-2 repairs: Tait-only access
Log-in passwords are needed for associate and Tait-only access; Technical
Support supplies service centres with the necessary log-in information.
(The unsecured portion of the Technical Support website is accessible to
the general public. This type of access is called public access, and no log-
in password is required.)
Items Available
on Website
The information available at the different access levels is summarised in
Table 4.1. The technical notes mentioned are of different types.
Associate technical notes relate to the repair of the radio but not the
downloading of firmware; Tait-only technical notes relate to the
firmware. The PCB information packs are discussed in more detail
below.
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