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Tektronix 7613 User Manual

Tektronix 7613
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4.
Unsolder
all
of
the
power
transformer
wires
connected
to
the
top
of
the
board.
Use
a
vacuum-type
desoldering
tool
to
remove
the
solder
from
the
hole
in
the
circuit
board.
5,
Remove
the
screws
holding
each
corner
of
the
board
to
the
chassis.
6.
To
replace
the
Rectifier
board,
reverse
the
order
of
removal.
Be
sure
that
all
of
the
transformer
wires
are
properly
placed
before
resoldering.
Match
the
arrows
on
the
multi-pin
connectors
to
the
arrows
on
the
board.
Correct
location
of
the
pin
connectors
and
the
wire
color
code
is
shown
on
the
circuit
board
illustration
in
the
Diagrams
section.
G.
CALIBRATOR
BOARD
REPLACEMENT.
1,
Unsolder
power
on/off
indicator.
2.
Remove
FOCUS,
INTENSITY,
BEAM
FINDER
and
GRATICULE
ILLUM
knobs.
3.
Remove
securing
nut
which
holds
INTENSITY
and
GRATICULE
ILLUM
control
to
front
panel.
4.
Disengage
the
power
switch
actuating
rod
from
the
coupler.
Remove
the
rod
and
plastic
bushing
through
the
front
of
the
instrument.
5.
Remove
two
screws
holding
the
VERT
MODE
switch
to
the
front
sub-panel.
6.
Remove
the
screw
holding
the
calibrator
board
to
the
support
on
the
CRT
shield.
7.
Pull
the
Calibrator
board
out
far
enough
to
allow
the
multi-pin
connectors
and wire
leads
to
be
disconnected
from
the
Calibrator
board
(note
the
wire
color
code).
8.
Remove
the
board.
9.
To
replace
the
circuit
board,
reverse
the
removal
procedure.
Match
the
arrows
on
the
multi-pin
connectors
to
the
arrows
on
the
circuit
board.
Plug-In
Interface
Connectors.
The
individual
contacts
of
the
plug-in
interface
connectors
can
be
replaced.
However,
it
is
recommended
that
the
entire
Main
Interface
board
be
replaced
if
a
large
number
of
the
contacts
are
damaged.
An
alternative
solution
is
to
refer
the
maintenance
of
the
damaged
Main
Interface
board
to
your
local
TEKTRONIX
Field
Office
or
representative.
Use
the
following
procedure
to
replace
an
individual
contact
of
the
plug-in
interface
connector.
1,
Remove
the
Main
Interface
circuit
board
from
the
instrument
as
described
previously.
Maintenance—7613/R7613
Service
2.
Snap
the
connector
cover
(white
plastic)
off
the
side
of
the
plug-in
interface
connector
which
needs
repair.
3.
Unsolder
and
remove
the
damaged
contact.
4.
Install
the
replacement
contact.
Carefully
form
it
to
the
required
shape
to
fit
against
the
connector
body.
5.
Snap
the
connector
cover
back
onto
the
plug-in
interface
connector.
Check
that
the
contact
which
was
replaced
is
aligned
with
the
other
contacts.
6.
Replace
the
Main
Interface
board.
Access
To
The
Fan
Motor
1.
Remove
the
four
screws
holding
the
Low-Voltage
Regulator
sub-assembly
to
the
main
chassis
(see
Fig.
4-7).
2.
Pull
the
Low-Voltage
regulator
sub-assembly
out
through
the
rear
of
the
instrument
as
far
as
cables
will
permit.
3.
Remove
the
two
screws
holding
the
motor
to
the
bracket;
be
careful
not
to
lose
the
spacers
between
the
motor
and
the
bracket.
4.
To
replace
the
motor,
reverse
the
order
of
removal.
Access
To
The
Fan
Motor
For
The
R7613
1.
Remove
the
eight
screws
holding
the
Signals-Out
rear
panel
to
the
chassis.
Pull rear
panel
out
as
far
as
cables
will
permit
(see Fig.
4-8).
2.
Remove
the
four
corner
bolts
securing
the
motor
to
the
chassis.
3.
To
replace
the
motor,
reverse
the
order
of
removal.
4
Location
f
Screws
Fig.
4-7.
Location
of
screws
holding
Low
Voltage
sub-chassis.
4-13
7613

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Tektronix 7613 Specifications

General IconGeneral
BrandTektronix
Model7613
CategoryTest Equipment
LanguageEnglish

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