Display
Board
Replacement
Force
FXTM-C
Service
Manual
Equipment
required:
•
Phillips
scre\'ldriver.
Step
1 -
Remove
the
Display
Board
Warning
Electric Shock
Hazard-
To
allow stored energy
to
dissipate after power is
disconnected, wait at
least five minutes before replacing parts.
The generator contains electrostatic-sensitive components. When repairing the
generator, work at a
static-control workstation. Wear a grounding strap when
handling electrostatic-sensitive components, except when working on an energized
generator.
Handle circuit boards by their nonconductive edges. Use an antistatic
container for transport of electrostatic-sensitive components and circuit boards.
A.
Turn
off
the
generator.
Disconnect
the
power
cord
from
the
wall
receptacle.
B.
Remove
the
five
screws
that
secure
the
cover
to
the
chassis. Lift
the
cover
off
the
chassis. Set
the
cover
and
screws
aside
for
reinstallation.
C.
Remove
the
Control
board.
(1)
Unlock
the
connector
on
the
Control
board
and
disconnect
the
display
board
ribbon
cable
from
the
Control
board.
(2)
Carefully
slide
the
Control
board
straight
up
through
the
slots
on
the
heat
sinks
to
disconnect
it
from
the
Power
Supply
/RF
board.
Set
the
board
aside
in
an
antistatic
container
for
reinstallation.
D.
Disconnect
and
remove
the
front
panel
assembly.
(1)
Disconnect
the
power
switch
from
the
Pm·ver
Supply
/RF
board.
(2)
Disconnect
the
two
REM COlmectors
from
the
Power
Supply
/
RFboard.
(3)
Remove
the
four
screws
that
secure
the
front
panel
to
the
chassis.
Save
the
screws
for
reinstallation.
(4)
Slide
the
front
panel
assernbly
forward,
carefully
disengaging
it
from
the
electrical
contacts
on
the
Power
Supply
/RF
board.
7
-5
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