Figure 10.2 Replacing The 6W Board - Tait TB8100 Service Manual

Refitting
TB8100 Service Manual
© Tait Electronics Limited September 2006
3. If necessary, desolder the +28VDC power feed wire
4. Desolder the RF links
boards.
5. Remove the M3 Torx screws securing the board to the heatsink.
6. Carefully lift the board directly upwards off the locating pins
remove it from the heatsink.
1. Ensure the heatsink and bottom of the board are clean. Remove any
old heatsink compound.
2. Apply a thin layer of fresh heatsink compound to the bottom of the
board underneath Q103
as little as possible, while still covering the whole of the mounting area
of each component.
3. Refit the board, following the removal instructions in reverse order.
Note
Before tightening the screws, press the board down over the locat-
ing pins so that it is firmly seated against the heatsink. Then
tighten the M3 Torx screws to the correct torque.
4. Refit the front panel and cover.
Figure 10.2 Replacing the 6W board
h
g
c
e
b
d
connecting the board to any adjacent
f g
, D200 and AT100
Power Amplifier Board Replacement
c
.
e
and
h
(if fitted). Use
e
f
d
181