Left
Front
Heat
Sink
and
Component
Replacement
Left
Front
Heat
Sink
and
Component
Replacement
Force
FXTM-C
Service
Manual
Equipment
required:
• Phillips
screwdriver.
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.
Notice
Calibrate the generator after you install a new.heat sink or replace components
on
the heat sink. Component differences may affect output waveforms. Refer to
Calibrating the Force FX-C Generator in Section 5 for instructions
Step
1 -
Remove
the
Left
Front
Heat
Sink
A.
Turn
off
the
generator.
Disconnect
the
power
cord
from
the
,vall
receptacle.
B.
Remove
the
five
screws
that
secure
the
cover
to
the
chassis. Lift
the
cover
off
the
chassis.
Save
the
cover
and
screws
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
l)ower
Supply
/RF
board.
Set
the
board
aside
in
an
antistatic
container
for reinstallation.
D.
Remove
the
three
screws
(one
plastic
and
two
metal)
that
secure
the
support
bracket
to
the
heat
sinks.
Save
the
screws
and
bracket
for
reinstallation.
E.
On
the
left
side
of
the
chassis,
remove
the
two
screws
that
secure
the
base
of
the
left
front
heat
sink
to
the
rail
under
the
Power
Supply/
RF
board.
Save
the
screws
for
reinstallation.
F.
Lift
the
heat
sink
to
discoll1ect
it
from
the
Power
Supply
/RF
board.
7
-15
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