Tektronix FG 5010 User Manual

screws
,
attaching each
relay , from
the back
of the
board
and
remove
the
relay .
Clean
the
circuit
board
contacts
and
contact
fingers
with
a
small
brush
and
isoprophyl
alcohol .
Do
not use
any
sol
vent
that
may attack
polycarbonates
such as
hydrocarbon
chlorides ,
ketones ,
esters , etc.
Do not
use a
cotton swab as
small
cotton
filaments
may
remain on
the
contact
area .
To
remove
the
relay
armature
from
the
relay
,
use
a
wire
or
tool
with
a
diameter
less
than
0.040 in . ,
such
as a
paperclip
.
Before
removing the
armature , mark the
orienta
tion
of
the
armature
to the
housing
.
Orientation
is
important
for proper
operation
. Place
the tool in
the slot on the
side of
the
housing and
gently
lift
the
relay
armature . See Fig
. 7-5 .
2815-15
Fig . 7-5 .
Method of
removing
magnetic
latch
relay armature .
Clean
the
interior of
the
relay
,
around
the
pole
pieces
,
with
isopropyl
alcohol . The
interior
of
the relay
must
be
com
pletely dry
before
reinstalling the
armature
.
Use air to dry
excess
alcohol
from
the
housing .
NOTE
Do
not spray
contact
cleaner
on
the
relays or
any
where on the
board
when
they
are
installed on
the
board . Any
foreign
material
between
the
pole pieces
and
the
armature
can
cause
faulty
operation .
Maintenance
-
FG
5010
Board
Extenders
Use
the
board
extender kit
, (
refer to
Table
7-2
for
Tektronix
Part No. ) to
access
the
boards for
calibration
or
servicing .
This kit
consists of
two
large extenders ,
and sev
eral
ribbon
cables .
One
large
extender
permits
extension of
the
Sine
Shaper
,
Loop I ,
Loop
II
,
and
Output
Amplifier
boards
from the
Interconnect
board .
The
other large
extend
er
permits
extension of the
CPU and
Display
Driver
boards
.
A
nine
-
pin
ribbon
cable
extends the
connection
between the
Output
Amplifier and
Display
Driver boards . The
remaining
ribbon
cables
are used
to
extend the Front
Panel board
from
the
Interconnect board .
The
kit
also
includes
a
T -
handle for
ease in
pulling
the
boards
to
disconnect
them
from the
Interconnect
board .
Board
locations
and
names are
shown
in
Fig . 7-6
.
Instrument
Disassembly
To
disassemble the FG
5010
,
first
remove
the
instrument
side
covers
. Then
remove the
instrument back . Use
a
3/16
in .
wrench on the
bottom
fasteners .
Next
,
remove all
screws
attaching
the top to
the boards
and frame . See
Figs .
7-7 and
7-8 for
screw
locations
.
Remove the
instrument top
.
Remove the two
screws attaching the
selected
board
from
the
bottom of the
instrument . See Fig
. 7-9 . All
of the
boards
except the Output Amplifier , Interconnect and Front Panel
boards may be
removed
individually
. To
remove the
Display
Driver
board
,
disconnect the
nine
- pin
ribbon
connector
from
the rear of
the
board . To
remove the
Output
Amplifier
board ,
first remove the Display Driver board .
To
remove the
Interconnect
board
,
remove
the
six
large
boards
that
plug into the
Interconnect board .
Remove
the
latch handle by pushing the rearmost part of the latch for
ward and
pressing
down
on the
handle
to
disengage the
front part .
Remove the two
screws
attaching
the
Interconnect
board to the
instrument
bottom
(
see Fig .
7-8 ) .
Then , remove
the two screws in
the lower
corners of the
front panel . Grasping the front panel with one hand and the
Interconnect
board with the
other
,
gently pull
apart
the
15
and 25 pin
connectors
between the Front
Panel board
and
the
Interconnect
board .
Position the
front
panel
aside
and
lift the
Interconnect board
to clear the
notch in the
bottom
of
the
instrument . When
reinstalling the
Interconnect board
to
the
Front Panel
board ,
make
certain the
coaxial
cables are
routed
so
that they
do not
interfere
with
the 15 and
25 pin
connectors .
To remove the Front Panel board from the front panel ,
remove the four
screws
attaching
the Front
Panel board to
the
front
panel .
7-5

Tektronix FG 5010 Specifications

General

Brand	Tektronix
Model	FG 5010
Category	Portable Generator
Language	English