Motorola TALKABOUT T2688, Service Manual

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of 51 GSM Field Service Support 26
T200 / T2688
6.1 Repair Introduction
The T200 is divided into 2 main sections when it comes to part replacability: The housings which
contains the speaker, keypad and the Volume Buttons , the main PCB which contains RF / Logic
circuitry and the keypad interface and the display. If the RF / Logic board is required to be changed
then a full service tranceiver should be ordered as there is no replacement PCB available.
6.2 Mechanical repairs
Assembly replacement level troubleshooting and repair of the T200 is limited to isolation and
replacement of the main mechanical parts only (See Exploded parts diagram and associated parts list
p19 )
6.3 Basic Modular Troubleshooting
The troubleshooting information in Table 2 shows some typical malfunction symptoms, and for the
corresponding verification and repair procedures refer to the disassembly instructions located in the
disassembly section of this manual.
(Section 4).
NOTE Defective Logic/RF assemblies must be replaced
with pre-tested, pre-phased assemblies