Brother International MFC-7050C Service Manual - Page 55

disconnect

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1.10 Battery ASSY Disconnecting the battery harness with the power cord unplugged will lose the settings (e.g., calendar clock, voice messages, and received FAX data) stored in the RAM. After connecting the battery harness, therefore, you may need to make those settings. To remove the upper cover ASSY, you need to disconnect the battery harness from the main PCB. To do it without losing the settings stored in the RAM, follow the steps below. (1) Plug the power cord of the facsimile equipment into a power outlet. (2) Disconnect the battery harness from the main PCB and take out the battery ASSY from the pocket provided on the upper cover. (3) Connect the removed battery ASSY to the main PCB again and put the battery ASSY on the main PCB. (4) Unplug the power cord. (5) Handle jobs involving the removal of the upper cover ASSY. (6) After completion of those jobs, plug the power cord. (7) Disconnect the battery ASSY from the main PCB, put the battery ASSY into the pocket provided on the upper cover, and connect the battery harness to the main PCB. (8) Unplug the power cord. Battery ASSY Top cover Main PCB Upper cover IV - 23

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1.10
Battery
ASSY
Disconnecting
the
battery
harness
with
the
power
cord
unplugged
will
lose
the
settings
(e.g.,
calendar
clock,
voice
messages,
and
received
FAX
data)
stored
in
the
RAM.
After
connecting
the
battery
harness,
therefore,
you
may
need
to
make
those
settings.
To
remove
the
upper
cover
ASSY,
you
need
to
disconnect
the
battery
harness
from
the
main
PCB.
To
do
it
without
losing
the
settings
stored
in
the
RAM,
follow
the
steps
below.
(1)
Plug
the
power
cord
of
the
facsimile
equipment
into
a
power
outlet.
(2)
Disconnect
the
battery
harness
from
the
main
PCB
and
take
out
the
battery
ASSY
from
the
pocket
provided
on
the
upper
cover.
(3)
Connect
the
removed
battery
ASSY
to
the
main
PCB
again
and
put
the
battery
ASSY
on
the
main
PCB.
(4)
Unplug
the
power
cord.
(5)
Handle
jobs
involving
the
removal
of
the
upper
cover
ASSY.
(6)
After
completion
of
those
jobs,
plug
the
power
cord.
(7)
Disconnect
the
battery
ASSY
from
the
main
PCB,
put
the
battery
ASSY
into
the
pocket
provided
on
the
upper
cover,
and
connect
the
battery
harness
to
the
main
PCB.
(8)
Unplug
the
power
cord.
Battery
ASSY
Top
cover
Upper
cover
Main
PCB
IV
-
23