Tait TM8100 mobiles, Service Manual

Page: 143 / 620

TM8100/TM8200 Service Manual Disassembly and Reassembly 143
© Tait Electronics Limited November 2007
5.3 Reassembling the Radio Body
Inspect all disassembled parts for damage and replace them, if necessary.
Reassembling the
Main-Board
Assembly
The circled numbers in this section refer to the items in Figure 5.4 on
page 141 . This figure shows the >25W configuration.
1. If the power connector has been replaced:
■
With the >25W radio, use a Torx T6 torque-driver to tighten the
two screws
C
to 1lb·in (0.11N·m).
■
With the 25W radio, use a Torx T10 torque-driver to tighten the
two screws
C
to 3lb·in (0.34N·m).
2. If the outer foam seal
E
or the inner foam D-range seal
G
have been
removed, fit new seals to the heat-transfer block
F
.
3. With the >25W radio, the rectangular gap pad
1)
must be replaced
each time the heat-transfer block
F
is separated from the main board
1$
:
■
Remove any residue of the old rectangular gap pad from the
underside of main board and the heat-transfer block.
■
Peel off the transparent film on one side of the gap pad and evenly
press the gap pad on the contact surface of main board (refer to
Figure 5.6 ).
■
Peel off the transparent film on other of the gap pad.
Figure 5.6 Contact surfaces on the bottom side of the main board
25W >25W
>25W
tin-plated
copper plate contact surface
of rectangular
gap pad
Audio-PA area
contact surface of L-shaped gap pad
>25W
>25W