PBl
EPROM
PROGRAMMER
BOARD
1.0
ASSEMBLY
INSTRUCTIONS
(refer
to
figure
1)
c:=JCheck
kit
contents
against
parts
list.
~Check
PC
board
for
possible
warpage and
straighten
if
required.
To
straighten
the
board,
bend
with
the
hands
(not
a
vise)
against
the
warp.
Sight
down
the
edge
of
the
board
after
bending
to
check
if
the
warp
was
removed,
if
not
then
try
bending
again.
~
Insert
11-16
pin
sockets
(ul-6,16,19,20,27,28)and
11-14 Pin
sockets
(U7-1P,15,18,21,24,29,32)
into
the
component
side
of
the
board
with
the
pin
111
index toward
the
top
of
the
board.
(The component
side
is
the
side
on which "PSl
ll
is
printed.)
DO
NOT
insert
2-24
pin
sockets
into
the
two
horizontal
24
pin
patterns
at
the
upper
left-hand
corner
of
the
board.
Insert
4-24
pin
sockets
into
the
middle
of
the
board
with
IIpin
,11
toward
the
top
of
the
board.
~
Place
a
flat
piece
of
stiff
cardboard
of
appropriate
size
on
top
of
the
board
to
hold
them
in
place.
~HOlding
the
cardboard
in
place
against
the
sockets,
turn
the
board
over
and
lay
it
on a
flat
surface.
(Be
sure
that
all
of
the
socket
pins
are
through
the
holes.)
c=Jon
each
socket,
solder
two
of
the
corner
pins,
choosing
two
that
are
diagonally
opposite
of
each
other.
c=J
Once
the
sockets
are
secured,
lift
the
board and check
to
see
if
they
are
flat
against
the
board.
If
not,
seat
the
sockets
by
pressing
on
the
top
while
reheating
each
soldered
pin.
OComplete
soldering
the
remaining
pins
of
each
socket.
Keep
the
iron
tip
against
the
pin
and pad
just
long enough
to
produce a
filet
between
pin
and pad.
o
Insert
c=J
Insert
c=J
Insert:
and
solder
2-2.2
ohm
resistors
(R37A
& R37B).
and
solder:
2-
470
ohm
(R16
&
R20)
1- 1.2K
ohm
(R38)
4-
3.3k
ohm(R3,R5,R17,R34)
2-
4.7k
ohm
(R7,R25)
1-
6.8K
ohm
(R24)
3-
10K
ohm
(R2,R6,R35)
1-
20K
ohm
(R18)
3-
51K
ohm
(R19,R21,R22)
2-
2.7K
ohm
(R41
&
R42)
(near
SW3)
1-
47K
ohm
(Rl)
(near
U22)
1-1
