2500_Users_Manual-.pdf - 第264页
Repair and Replacement Procedures Assembly Drawings 7-40 ProMaster 2500 User Manual
Repair
and
Replacement
Procedures
1.
Remove
the
configuration
blocks
from
all
four
sides
(see
Figure
7-22).
2.
Turn
the
board
upside-down
and
use
the
0.050-inch
hex
driver
to
remove
the
two
screws
holding
the
programming
block
to
the
printed
circuit
board.
Be
careful
not
to
strip
the
screws.
3.
Hold
the
module
in
the
upside-down
position
and
gently
pull
the
board
from
the
programming
block
assembly
(see
Figure
7-23).
4.
Turn
the
block
right-side
up.
The
device
ejector
pin
and
ejector
spring
are
loose
and
will
drop
out
into
your
hand
(see
Figure
7-24).
Set
these
aside;
they
will
be
reinstalled
later.
5.
Use
a
1/16-inch
hex
driver
to
remove
the
two
screws
holding
the
contact
set
in
place.
6.
Gently
pivot
the
base
of
the
contact
set
out
from
the
programming
block
and
lift
the
set
straight
up.
7.
Remove
the
other
three
contact
sets.
8.
Lift
the
top
of
the
programming
block
off
the
base.
Note:
The
small
gold
pin
in
the
base
(see
Figure
7-28)
is
not
held
in
place.
Be
careful
not
to
lose
it
while
the
top
is
off
the
base.
9.
Install
the
new
top
on
the
base.
Make
certain
that
the
gold
pin
is
installed.
You
can
insert
the
pin
with
either
end
pointing
up.
10.
Install
one
of
the
contact
sets
on
the
programming
block.
Tilt
the
contact
set
slightly
(see
Figure
7-25)
and
gently
insert
the
tips
into
the
receiving
holes
in
the
programming
block.
Make
certain
that
all
the
contact
leads
have
correctly
inserted
into
the
holes
before
you
swing
the
set's
base
into
position
against
the
block.
Failure
to
have
all
the
tips
seated
correctly
in
their
receiving
holes
could
result
in
damage
to
the
contacts.
When
the
contact
set
is
in
position,
insert
and
tighten
the
two
hex
screws
that
hold
it
in
place.
11.
Install
the
three
remaining
contact
sets.
12.
Turn
the
assembled
programming
block
upside-down
and
insert
the
device
ejector
pin
and
spring
into
the
programming
block.
CAUTION:
Remove
the
configuration
blocks
from
the
module
board
before
you
replace
the
programming
block.
The
pins
of
a
contact
set
might
hook
on
a
block
and
bend
or
damage
the
contacts.
13.
Using
the
block
alignment
pins
as
guides,
carefully
slide
the
board
and
block
together.
14.
Insert
the
two
hex
screws
that
hold
the
block
to
the
board.
15.
Insert
the
configuration
blocks
for
the
next
device
to
be
programmed.
Refer
page
4-7
for
more
information
on
configuring
the
module.
16.
Check
the
operation
of
the
programming
module
using
a
device
type
that
gives
you
high
yields.
ProMaster
2500
User
Manual
7-39
Repair
and
Replacement
Procedures
Assembly
Drawings
7-40
ProMaster
2500
User
Manual
Repair
and
Replacement
Procedures
Figure
7-29
Test
Site
Clamp
Assembly
ProMaster
2500
User
Manual
7-41