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Cellular Subscriber Sector
Troubleshooting
Introduction
Assembly
replacement
shooting and repair of the StarTAC personal
telephone is limited to those components
listed in the Replacement Parts List. See
"Replacement Parts" on page 45.
It is recommended that known good
replacement parts and assemblies be avail-
able to be used for troubleshooting by
substitution, and for replacement of parts/
assemblies found to be defective.
Troubleshooting And Repair
The troubleshooting information in Table 7,
Table 8, and Table 9 shows some typical
malfunction symptoms and the corre-
sponding verification and repair proce-
dures. Additionally, the "Troubleshooting
Supplements" are offered to assist in correc-
tive action of more detailed symptoms.
Refer to the disassembly instructions located
in "Disassembly" on page 19 for instructions
on removing and replacing parts/assem-
blies from the personal telephone.
© 1998 Motorola, Inc.
level
trouble-
Issue 1.0
TROUBLESHOOTING
StarTAC 160 (GSM)
If the Logic/RF assembly is replaced a
personality transfer will be necessary. See
"Personality Transfer" on page 15.
NOTE
Defective Logic/RF assemblies must be
replaced with pre-tested, pre-phased
assemblies.
Testing After Repair
After any repair work has been carried out,
the unit should be thoroughly tested to
ensure that its operates correctly. This is
especially
important
assembly is replaced.
For general repairs which do not include
replacing the Logic/RF assembly, simply
placing a call and checking signal strength,
and transmit and receive audio quality is
normally sufficient.
When the Logic/RF assembly is replaced,
the unit must have a comprehensive test on
a
GSM
compatible
analyzers. See "Testing" on page 11 for
further details. Placing a call on air is
usually carried out at this stage to complete
the testing procedure.
if
the
Logic/RF
communications
27
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Troubleshooting
