Replacement Of Faulty Control-Head Board - Tait TM8000 Series Service Manual

7.4

Replacement of Faulty Control-head Board

Replace Board
Re-assemble and
Test Control Head
TM8100 Mobile Radio Service Manual
May 2004 © Tait Electronics Limited
A faulty control-head board requires replacement in any of these
situations:
only level-1 repairs permitted
fault on board not located
repair of fault failed
If not already done, remove the faulty board as described in
Subsection 6.2 (on page
Spares kit 11. These kits contain replacement control-head boards for
two- and one-digit-display control heads respectively. (Check with TEL
regarding the availability of the kits.)
Re-assemble the control head with the replacement control-head board
as described in Subsection 6.5 (on page
head loom to the radio body, and test the user interface as described in
Task 5 of Subsection 5.2 (on page
Subsection 5.2 and continue with the servicing of the radio. If there is
still a fault, the repair failed; remove the spare board, re-assemble the
control head with the original board, and return to
131). Obtain a spare board from Spares kit 3 or
148). Reconnect the control-
109). If there is no fault, return to
Servicing of Control Head
Subsection 5.2.
163