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Tektronix 7613 User Manual

Tektronix 7613
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Maintenance—7613/R7613
Service
1.
Remove
the
securing
screws.
2.
Pull
out
on
the
edges
of
the
board
until
the
board
clears
the
interconnecting
terminals,
Hold
the
board
parallel
to
the
Main
Interface
board
until
the
board
is
free,
so
as
not
to
bend
the
interconnecting
terminals.
3.
To
replace
the circuit
board,
position
it
so
the
interconnecting
pins
and
sockets
mate
properly.
4,
Gently
press
the
circuit
board
against
the
mounting
surface.
Be
sure
that
all
the
interconnecting
pins
and
sockets
mate
properly.
5.
Replace
the
securing
screws.
C.
LOGIC
CIRCUIT
BOARD
REPLACEMENT.
1.
Slide
out
the
power
unit
as
described
previously.
2.
Disengage
the plastic
snaps
which
secure
the sides
of
the
board.
3.
Pull
out
on
the
edges
of
the
board
until
the
board
clears
the
interconnecting
terminals.
Hold
the
board
parallel
to
the
Main
Interface
board
until
the
board
is
free,
so
as
not
to
bend
the
interconnecting
terminals.
4,
To
replace
the
Logic
board,
position
it
so
the
guide
holes
in
the
board
mate
with
the
quide
posts.
Check
that
al!
the
interconnecting
pins
and
sockets
mate
properly.
5.
Gently
press
the
board
against
the
Main
Interface
board
until
the
plastic
snaps
secure
the
board.
D.
MAIN
INTERFACE
CIRCUIT
BOARD
REPLACEMENT,
1.
Slide
out
the
power
unit
as
described
previously.
2.
Remove
ail
of
the
plug-on
circuit
boards from
the
Main
Interface
board
(remove
plug-in
units
to
gain
access
to
plug-on
boards
on
front
of
Main
Interface
board}.
3.
Disconnect
the
multi-pin
connectors
from
the
rear
of
the
Main
Interface
board.
Note
the
order
of
these
connec-
tors
so
they
can
be
correctly
replaced.
4-12
4,
Remove
the
three
screws
from
inside
each
plug-in
compartment
which
hold
the
plug-in
interface
connectors
to
the
chassis
(total
of
nine
screws).
Also
remove
the
hexagonal
posts
which
secure
the
ground
straps
to
the
Main
Interface
board.
5.
Remove
the
Main
Interface
board
assembly
through
the
rear
of
the
instrument.
6.
To
replace
the
Main
Interface
board,
reverse
the
order
of
removal.
Match
the
arrows
on
the
multi-pin
connectors
to
the
arrows
on
the
board.
Correct
location
of
the
pin
connectors
is
shown
in
the
circuit
board
illustration
in
the
Diagrams
section.
E.
LOW-VOLTAGE
REGULATOR
CIRCUIT
BOARD
REPLACEMENT.
1.
Remove
the
four
screws
which
secure
the
heat
radiator
to
the
rear
frame
of
the
instrument.
2.
Slide
the
heat
radiator
out
of
the
rear
of
the
instrument
and
disconnect
the
pin
connectors.
Remove
the
heat
radiator
from
the
instrument.
3.
Remove
the
four
screws
which
secure
the
plastic
protective
cover
to
the
heat
radiator.
4.
Remove
the
power
transistors
from
the
back
of
the
heat
radiator.
Note
the
location
of
each
power
transistor.
5.
To
replace
the
Low-Voltage
Regulator
board,
reverse
the
order
of
removal.
NOTE
After
replacing
the
power
transistors,
check
that
the
transistor
cases
are
not
shorted
to
the
heat
radiator
before
applying
power.
F.
RECTIFIER
BOARD
REPLACEMENT.
To
replace
the
Rectifier
board,
proceed
as
follows:
1.
Slide
out
the
power
unit
as
described
previously.
2.
Disconnect
the
pin
connectors
from
the
board.
3.
Disconnect
the
wires
soldered
to
the
top
of
the
board.
7613

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Tektronix 7613 Specifications

General IconGeneral
BrandTektronix
Model7613
CategoryTest Equipment
LanguageEnglish

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