Disconnecting The Ac And Dc Modules; Reconnecting The Ac And Dc Modules - Tait TB8100 Service Manual

14.6

Disconnecting the AC and DC Modules

14.7

Reconnecting the AC and DC Modules

254 Power Management Unit Disassembly and Reassembly
Unless otherwise indicated, the circled numbers in the following
instructions refer to Figure 14.2 on page
1. As shown in Figure 14.3 on page
f
module is on top of the AC module
h
bon cable from the DC converter board.
2. Unfold the DC module from on top of the AC module, and place it
end-to-end with the AC module, as shown in
3. Unplug the 28VDC cable
4. If fitted, unplug the 8-way cable
board. Remove the cable from the retaining clips
Note
These connectors have locking tabs. You must disengage the
locking tab before you can remove the plug from the socket.
5. Slide the plastic grommet
input connector
shield.
Unless otherwise indicated, the circled numbers in the following
instructions refer to Figure 14.3 on page
1. If previously removed, reconnect the 28VDC cable
c
bon cable , and 8-way cable
and feed them through the plastic grommet
2. Reconnect the mains input connector to the AC converter board (as
shown in Figure 14.2 on page
holding the cables into the hole in the shield.
3. As shown in Figure
and reconnect the 28VDC cable
Position the 12-way ribbon cable
it will still be accessible when the AC module is folded on top of the
DC module.
4. Fold the AC module
the cables and shield
of the cables is pinched between the modules and/or shield.
5. Reconnect the 12-way ribbon cable
255.
256, rotate the PMU so that the DC
g
b
from the DC converter board.
c
from the auxiliary power supply
e
out of the shield
g
from the AC converter board and remove the
256.
d
(if fitted) to the AC converter board
255), then insert the plastic grommet
14.2, place the AC and DC modules end-to-end
b
and 8-way cable
h
between the two modules so that
f
on top of the DC module
i
are correctly positioned. Make sure that none
h
© Tait Electronics Limited September 2006
and unplug the 12-way rib-
Figure 14.2.
d
.
f
. Unplug the mains
b
, 12-way rib-
e
.
c
(if fitted).
g
, ensuring that
to the DC converter board.
TB8100 Service Manual